基于Sql Server 2008的分布式数据库的实践（五）
server
sql
配布された
に基づく
練習する
データベース
の
プログラミング
程序设计
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Index.php————选择界面，并且实现学生和老师的注册
sql_ini.php————SQL配置文件
./student————学生的后台
./admin————老师的后台
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./student
cookie.php————cookie转跳文件
index1.php————后台界面
login.php————登录界面
loginout.php————cookie注销处理
main.php————主界面
menu.php————后台菜单
sclass.php————显示学生选课信息
score.php-————显示学生成绩
sinfo.php————显示*
sql_ini.php————SQL配置文件
up.php————后台表单处理文件
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./admin
class.php————显示老师课程信息
cookie.php————cookie转跳文件
index1.php————后台界面
info.php————显示老师资料（有权限设置）
login.php————登录界面
loginout.php————cookie注销处理
main.php————主界面
menu.php————后台菜单
score.php-————登记学生成绩
sql_ini.php————SQL配置文件
up.php————后台表单处理文件
程序解释
学生注册
<span 1</span> <span if</span>(<span isset</span>(<span $_POST</span>['addstudent'<span ]))
</span><span 2</span> <span {
</span><span 3</span> <span //</span><span 判断是否有空，即没有输入的</span>
<span 4</span> <span if</span>((<span $_POST</span>['sname']=='')||(<span $_POST</span>['sex']=='')||(<span $_POST</span>['school']=='')||(<span $_POST</span>['scount']=='')||(<span $_POST</span>['spwd1']=='')||(<span $_POST</span>['spwd2']==''<span ))
</span><span 5</span> <span {
</span><span 6</span> <span echo</span> '请输全信息！'<span ;
</span><span 7</span> <span exit</span><span ();
</span><span 8</span> <span }
</span><span 9</span> <span //</span><span 把传递的数据赋值到变量里面</span>
<span 10</span> <span $sname</span>=<span $_POST</span>['sname'<span ];
</span><span 11</span> <span $sex</span>=<span $_POST</span>['sex'<span ];
</span><span 12</span> <span $school</span>=<span $_POST</span>['school'<span ];
</span><span 13</span> <span $scount</span>=<span $_POST</span>['scount'<span ];
</span><span 14</span> <span $spwd1</span>=<span $_POST</span>['spwd1'<span ];
</span><span 15</span> <span $spwd2</span>=<span $_POST</span>['spwd2'<span ];
</span><span 16</span> <span $sid</span>=<span rand</span>(1,9999);<span //</span><span 随机一个学号
</span><span 17</span> <span //判断两次密码是不是相同</span>
<span 18</span> <span if</span>(<span $spwd1</span>==<span $spwd2</span><span )
</span><span 19</span> <span {
</span><span 20</span> <span //</span><span SQL Server 对数据处理前的操作</span>
<span 21</span> <span sql();
</span><span 22</span> <span //</span><span SQL语句</span>
<span 23</span> <span $sql</span>="select * from [V3].[dbo].[V3_student]"<span ;
</span><span 24</span> <span $result</span> = mssql_query(<span $sql</span><span );
</span><span 25</span> <span //</span><span 从结果集中取得一行作为关联数组</span>
<span 26</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result</span>,<span MSSQL_ASSOC))
</span><span 27</span> <span {
</span><span 28</span> <span //</span><span 二次判断是否登录帐号重复</span>
<span 29</span> <span if</span>(<span $row</span>['scount']==<span $scount</span><span )
</span><span 30</span> <span {
</span><span 31</span> <span //</span><span 报错并终止</span>
<span 32</span> <span echo</span> ("已经有人申请了这个帐号！"<span );
</span><span 33</span> <span exit</span><span ();
</span><span 34</span> <span }
</span><span 35</span> <span }
</span><span 36</span> <span //</span><span SQL语句插入到视图里面</span>
<span 37</span> <span $sql_add</span>="<span INSERT INTO [V3].[dbo].[V3_student] ([sid],[sex],[sname],[school],[scount],[spwd])
</span><span 38</span> VALUES (".<span $sid</span>.",'".<span $sex</span>."','".<span $sname</span>."','".<span $school</span>."','".<span $scount</span>."','".<span $spwd1</span>."')"<span ;
</span><span 39</span> <span $result_add</span> = mssql_query(<span $sql_add</span><span );
</span><span 40</span> <span //</span><span 对SQL操作的结果的判断</span>
<span 41</span> <span if</span>(<span $result_add</span><span )
</span><span 42</span> {<span echo</span> "<center>注册成功！</center>"<span ;}
</span><span 43</span> <span else</span>
<span 44</span> {<span echo</span> "sql出错！"<span ;}
</span><span 45</span> <span }
</span><span 46</span> <span else</span>
<span 47</span> <span {
</span><span 48</span> <span //</span><span 密码不相同报错并终止</span>
<span 49</span> <span echo</span> ("两次密码不对"<span );
</span><span 50</span> <span exit</span><span ();
</span><span 51</span> <span }
</span><span 52</span> }ログイン後にコピー
老师注册
<span 1</span> <span if</span>(<span isset</span>(<span $_POST</span>['addadmin'<span ]))
</span><span 2</span> <span {
</span><span 3</span> <span //</span><span 判断是否有空，即没有输入的</span>
<span 4</span> <span if</span>((<span $_POST</span>['name']=='')||(<span $_POST</span>['sex']=='')||(<span $_POST</span>['age']=='')||(<span $_POST</span>['count']=='')||(<span $_POST</span>['pwd']=='')||(<span $_POST</span>['pwd2']=='')||(<span $_POST</span>['ageage']=='')||(<span $_POST</span>['tel']=='')||(<span $_POST</span>['address']==''<span ))
</span><span 5</span> <span {
</span><span 6</span> <span echo</span> '请输全信息！'<span ;
</span><span 7</span> <span exit</span><span ();
</span><span 8</span> <span }
</span><span 9</span> <span //</span><span 把传递的数据赋值到变量里面</span>
<span 10</span> <span $tname</span>=<span $_POST</span>['name'<span ];
</span><span 11</span> <span $tsex</span>=<span $_POST</span>['sex'<span ];
</span><span 12</span> <span $tage</span>=<span $_POST</span>['age'<span ];
</span><span 13</span> <span $tcount</span>=<span $_POST</span>['count'<span ];
</span><span 14</span> <span $tpwd</span>=<span $_POST</span>['pwd'<span ];
</span><span 15</span> <span $tpwd2</span>=<span $_POST</span>['pwd2'<span ];
</span><span 16</span> <span $age</span>=<span $_POST</span>['ageage'<span ];
</span><span 17</span> <span $tel</span>=<span $_POST</span>['tel'<span ];
</span><span 18</span> <span $address</span>=<span $_POST</span>['address'<span ];
</span><span 19</span> <span $tsuper</span>=1<span ;
</span><span 20</span> <span $tidid</span>=<span rand</span>(1,9999<span );
</span><span 21</span> <span //</span><span 判断两次密码是否相同</span>
<span 22</span> <span if</span>(<span $tpwd</span>==<span $tpwd2</span><span )
</span><span 23</span> <span {
</span><span 24</span> <span //</span><span SQL Server 对数据处理前的操作</span>
<span 25</span> <span sql();
</span><span 26</span> <span //</span><span SQL语句</span>
<span 27</span> <span $sql</span>="select * from [V3].[dbo].[teacher]"<span ;
</span><span 28</span> <span $result</span> = mssql_query(<span $sql</span><span );
</span><span 29</span> <span //</span><span 从结果集中取得一行作为关联数组</span>
<span 30</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result</span>,<span MSSQL_ASSOC))
</span><span 31</span> <span {
</span><span 32</span> <span //</span><span 二次判断是否登录帐号重复</span>
<span 33</span> <span if</span>(<span $row</span>['tcount']==<span $tcount</span><span )
</span><span 34</span> <span {
</span><span 35</span> <span //</span><span 报错并终止</span>
<span 36</span> <span echo</span> ("已经有人申请了这个帐号！"<span );
</span><span 37</span> <span exit</span><span ();
</span><span 38</span> <span }
</span><span 39</span> <span }
</span><span 40</span> <span $sql_add</span>="EXEC [V3].[dbo].[V3_teacher] ".<span $tidid</span>.",'".<span $tname</span>."', '".<span $tage</span>."', '".<span $tsex</span>."', '".<span $tcount</span>."', '".<span $tpwd</span>."', '".<span $tsuper</span>."','".<span $age</span>."','".<span $tel</span>."','".<span $address</span>."'"<span ;
</span><span 41</span> <span $result_add</span> = mssql_query(<span $sql_add</span><span );
</span><span 42</span> <span if</span>(<span $result_add</span><span )
</span><span 43</span> {<span echo</span> "<center>注册成功！</center>"<span ;}
</span><span 44</span> <span else</span>
<span 45</span> {<span echo</span> "sql出错！"<span ;}
</span><span 46</span> <span }
</span><span 47</span> <span else</span>
<span 48</span> <span {
</span><span 49</span> <span //</span><span 报错并终止</span>
<span 50</span> <span echo</span> ("两次密码不对"<span );
</span><span 51</span> <span exit</span><span ();
</span><span 52</span> <span }
</span><span 53</span> }ログイン後にコピー
学生登录和查看资料
<span 1</span> <span //</span><span cookie传递id</span>
<span 2</span> <span $sid</span>=<span $_COOKIE</span>['uid'<span ];
</span><span 3</span> <span sql();
</span><span 4</span> <span //</span><span SQL 语句</span>
<span 5</span> <span $query</span> = "SELECT * FROM [V3].[dbo].[V3_student] where [sid]=".<span $sid</span>.""<span ;
</span><span 6</span> <span $result</span> = mssql_query(<span $query</span><span );
</span><span 7</span> <span //</span><span 取得这个表有多少列</span>
<span 8</span> <span $db_t_num</span>=mssql_num_fields(<span $result</span><span );
</span><span 9</span> <span //</span><span 保存字段中文含义</span>
<span 10</span> <span $arrname</span>[0]='学号'<span ;
</span><span 11</span> <span $arrname</span>[1]='姓名'<span ;
</span><span 12</span> <span $arrname</span>[2]='学院'<span ;
</span><span 13</span> <span $arrname</span>[3]='帐号'<span ;
</span><span 14</span> <span $arrname</span>[4]='密码'<span ;
</span><span 15</span> <span /*</span><span ******************
</span><span 16</span> <span HTML表格输出
</span><span 17</span> <span ******************</span><span */</span>
<span 18</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 19</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 20</span> <span for</span>(<span $num</span>=0;<span $num</span><<span $db_t_num</span>;<span $num</span>++<span )
</span><span 21</span> <span {
</span><span 22</span> <span //</span><span 输出字段中文含义</span>
<span 23</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num</span>]."</td>\n"<span ;
</span><span 24</span> <span }
</span><span 25</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 26</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result</span>,<span MSSQL_ASSOC))
</span><span 27</span> <span {
</span><span 28</span> <span //</span><span 输出内容</span>
<span 29</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 30</span> <span echo</span> '<td>'.<span $row</span>["sid"].'</td>'<span ;
</span><span 31</span> <span echo</span> '<td>'.<span $row</span>["sname"].'</td>'<span ;
</span><span 32</span> <span echo</span> '<td>'.<span $row</span>["school"].'</td>'<span ;
</span><span 33</span> <span echo</span> '<td>'.<span $row</span>["scount"].'</td>'<span ;
</span><span 34</span> <span echo</span> '<td>******</td>';<span //</span><span 隐藏的写法</span>
<span 35</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 36</span> <span }
</span><span 37</span> <span echo</span> "</table>\n"<span ;
</span><span 38</span> <span //</span><span 释放SQL链接</span>
<span 39</span> mssql_free_result(<span $result</span>);ログイン後にコピー
学生选课
<span 1</span> <span //</span><span GET得到是选课操作</span>
<span 2</span> <span if</span>(<span $_GET</span>['action']=='do'<span )
</span><span 3</span> <span {
</span><span 4</span> <span //</span><span cookie传递sid</span>
<span 5</span> <span $id</span>=<span $_COOKIE</span>["uid"<span ];
</span><span 6</span> <span sql();
</span><span 7</span> <span //</span><span sid选了什么课，使check打上勾</span>
<span 8</span> <span $sql_do</span>="SELECT * FROM [V3].[dbo].[class] where [sid]=".<span $id</span>.""<span ;
</span><span 9</span> <span $result_do</span> = mssql_query(<span $sql_do</span><span );
</span><span 10</span> <span $ii</span>=0;<span //</span><span 保存学生所选的课</span>
<span 11</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result_do</span>,<span MSSQL_ASSOC))
</span><span 12</span> <span {
</span><span 13</span> <span $s_cid_do</span>[<span $ii</span>]=<span $row</span>['cid'<span ];
</span><span 14</span> <span $ii</span>++<span ;
</span><span 15</span> <span }
</span><span 16</span>
<span 17</span> <span //</span><span SQL语句通过默认学生sid=0取得课名cname和课号cid和老师tid</span>
<span 18</span> <span $sql_class</span>="SELECT * FROM [V3].[dbo].[class] where [sid] = 0"<span ;
</span><span 19</span> <span $result_class</span> = mssql_query(<span $sql_class</span><span );
</span><span 20</span> <span $i</span>=0;<span //</span><span 保存有多少行</span>
<span 21</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result_class</span>,<span MSSQL_ASSOC))
</span><span 22</span> <span {
</span><span 23</span> <span $class_tid</span>[<span $i</span>]=<span $row</span>['tid'<span ];
</span><span 24</span> <span $class_cid</span>[<span $i</span>]=<span $row</span>['cid'<span ];
</span><span 25</span> <span $class_name</span>[<span $i</span>]=<span $row</span>['cname'<span ];
</span><span 26</span> <span $i</span>++<span ;
</span><span 27</span> <span }
</span><span 28</span> <span //</span><span SQL语句通过tid取得老师名字，教学年龄和性别</span>
<span 29</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 30</span> <span {
</span><span 31</span> <span $sql_t</span>[<span $a</span>]="SELECT * FROM [V3].[dbo].[teacher] where [tid]=".<span $class_tid</span>[<span $a</span>].""<span ;
</span><span 32</span> <span $result_t</span>[<span $a</span>]= mssql_query(<span $sql_t</span>[<span $a</span><span ]);
</span><span 33</span> <span while</span> (<span $class_t</span> = mssql_fetch_array(<span $result_t</span>[<span $a</span>],<span MSSQL_ASSOC))
</span><span 34</span> <span {
</span><span 35</span> <span $class_tsex</span>[<span $a</span>]=<span $class_t</span>['tsex'<span ];
</span><span 36</span> <span $class_tage</span>[<span $a</span>]=<span $class_t</span>['tage'<span ];
</span><span 37</span> <span $class_tname</span>[<span $a</span>]=<span $class_t</span>['tname'<span ];
</span><span 38</span> <span }
</span><span 39</span> <span }
</span><span 40</span> <span //</span><span 保存字段中文含义</span>
<span 41</span> <span $arrname</span>[0]='课号'<span ;
</span><span 42</span> <span $arrname</span>[1]='课名'<span ;
</span><span 43</span> <span $arrname</span>[2]='老师名字'<span ;
</span><span 44</span> <span $arrname</span>[3]='老师编号'<span ;
</span><span 45</span> <span $arrname</span>[4]='老师教学年龄'<span ;
</span><span 46</span> <span $arrname</span>[5]='老师性别'<span ;
</span><span 47</span> <span $arrname</span>[6]='选课'<span ;
</span><span 48</span> <span /*</span><span ******************
</span><span 49</span> <span HTML表格输出
</span><span 50</span> <span ******************</span><span */</span>
<span 51</span> <span echo</span> '<form action="up.php" method="POST">'<span ;
</span><span 52</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 53</span> <span echo</span> "\t<tr><td colspan='7' align='center'>选课系统</td></tr>\n"<span ;
</span><span 54</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 55</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 56</span> <span //</span><span 有6列</span>
<span 57</span> <span for</span>(<span $num</span>=0;<span $num</span><7;<span $num</span>++<span )
</span><span 58</span> <span {
</span><span 59</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num</span>]."</td>\n"<span ;
</span><span 60</span> <span }
</span><span 61</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 62</span> <span {
</span><span 63</span> <span //</span><span check初始化</span>
<span 64</span> <span $check</span> = ''<span ;
</span><span 65</span> <span //</span><span 判断是男是女</span>
<span 66</span> <span if</span>(<span $class_tsex</span>[<span $a</span>]=='0'<span )
</span><span 67</span> <span $class_tsex</span>[<span $a</span>]='男'<span ;
</span><span 68</span> <span else</span>
<span 69</span> <span $class_tsex</span>[<span $a</span>]='女'<span ;
</span><span 70</span> <span //</span><span 判断选了这门课</span>
<span 71</span> <span for</span>(<span $b</span>=0;<span $b</span><<span $ii</span>;<span $b</span>++<span )
</span><span 72</span> <span {
</span><span 73</span> <span if</span>(<span $class_cid</span>[<span $a</span>]==<span $s_cid_do</span>[<span $b</span><span ])
</span><span 74</span> <span {
</span><span 75</span> <span $check</span> = 'checked'<span ;
</span><span 76</span> <span }
</span><span 77</span> <span }
</span><span 78</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 79</span> <span echo</span> '<td>'.<span $class_cid</span>[<span $a</span>].'</td>'<span ;
</span><span 80</span> <span echo</span> '<td>'.<span $class_name</span>[<span $a</span>].'</td>'<span ;
</span><span 81</span> <span echo</span> '<td>'.<span $class_tname</span>[<span $a</span>].'</td>'<span ;
</span><span 82</span> <span echo</span> '<td>'.<span $class_tid</span>[<span $a</span>].'</td>'<span ;
</span><span 83</span> <span echo</span> '<td>'.<span $class_tage</span>[<span $a</span>].'</td>'<span ;
</span><span 84</span> <span echo</span> '<td>'.<span $class_tsex</span>[<span $a</span>].'</td>'<span ;
</span><span 85</span> <span echo</span> '<td><input type="checkbox" name=pa_'.<span $class_cid</span>[<span $a</span>].' '.<span $check</span>.'></td>';<span //</span><span name=pa_'.$class_cid[$a]这样写是为了出现BUG</span>
<span 86</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 87</span> <span }
</span><span 88</span> <span echo</span> "\t<tr><td colspan='7' align='center'><input type='submit' name='sub' value='确认课程'></td></tr>\n"<span ;
</span><span 89</span> <span echo</span> "</table>\n"<span ;
</span><span 90</span> <span echo</span> "</form>"<span ;
</span><span 91</span> }ログイン後にコピー
学生退课
<span 1</span> <span //</span><span GET传递操作，为退课操作</span>
<span 2</span> <span if</span>(<span $_GET</span>['action']=='mine'<span )
</span><span 3</span> <span {
</span><span 4</span> <span //</span><span cookie传递sid</span>
<span 5</span> <span $id</span>=<span $_COOKIE</span>["uid"<span ];
</span><span 6</span> <span sql();
</span><span 7</span> <span //</span><span SQL语句通过学号sid取得课号cid和tid和课名</span>
<span 8</span> <span $sql_s</span>="SELECT * FROM [V3].[dbo].[class] where [sid]=".<span $id</span>.""<span ;
</span><span 9</span> <span $result_s</span> = mssql_query(<span $sql_s</span><span );
</span><span 10</span> <span $i</span>=0;<span //</span><span 保存有多少行</span>
<span 11</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result_s</span>,<span MSSQL_ASSOC))
</span><span 12</span> <span {
</span><span 13</span> <span $s_cid</span>[<span $i</span>]=<span $row</span>['cid'<span ];
</span><span 14</span> <span $s_cname</span>[<span $i</span>]=<span $row</span>['cname'<span ];
</span><span 15</span> <span $s_tid</span>[<span $i</span>]=<span $row</span>['tid'<span ];
</span><span 16</span> <span $i</span>++<span ;
</span><span 17</span> <span }
</span><span 18</span> <span //</span><span SQL语句通过tid得到上课的老师名字以及教学年龄和性别</span>
<span 19</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 20</span> <span {
</span><span 21</span> <span $sql_s_t</span>[<span $a</span>]="SELECT * from [V3].[dbo].[teacher] where [tid]=".<span $s_tid</span>[<span $a</span>].""<span ;
</span><span 22</span> <span $result_s_t</span>[<span $a</span>] = mssql_query(<span $sql_s_t</span>[<span $a</span><span ]);
</span><span 23</span> <span while</span> (<span $s_t</span> = mssql_fetch_array(<span $result_s_t</span>[<span $a</span>],<span MSSQL_ASSOC))
</span><span 24</span> <span {
</span><span 25</span> <span $s_tsex</span>[<span $a</span>]=<span $s_t</span>['tsex'<span ];
</span><span 26</span> <span $s_tage</span>[<span $a</span>]=<span $s_t</span>['tage'<span ];
</span><span 27</span> <span $s_tname</span>[<span $a</span>]=<span $s_t</span>['tname'<span ];
</span><span 28</span> <span }
</span><span 29</span> <span }
</span><span 30</span> <span //</span><span 保存字段中文含义</span>
<span 31</span> <span $arrname</span>[0]='课号'<span ;
</span><span 32</span> <span $arrname</span>[1]='课名'<span ;
</span><span 33</span> <span $arrname</span>[2]='老师名字'<span ;
</span><span 34</span> <span $arrname</span>[3]='老师编号'<span ;
</span><span 35</span> <span $arrname</span>[4]='老师教学年龄'<span ;
</span><span 36</span> <span $arrname</span>[5]='老师性别'<span ;
</span><span 37</span> <span $arrname</span>[6]='退课'<span ;
</span><span 38</span> <span /*</span><span ******************
</span><span 39</span> <span HTML表格输出
</span><span 40</span> <span ******************</span><span */</span>
<span 41</span> <span echo</span> '<form action="up.php" method="POST">'<span ;
</span><span 42</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 43</span> <span echo</span> "\t<tr><td colspan='7' align='center'>我选上的课</td></tr>\n"<span ;
</span><span 44</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 45</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 46</span> <span //</span><span 有7列</span>
<span 47</span> <span for</span>(<span $num</span>=0;<span $num</span><7;<span $num</span>++<span )
</span><span 48</span> <span {
</span><span 49</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num</span>]."</td>\n"<span ;
</span><span 50</span> <span }
</span><span 51</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 52</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 53</span> <span {
</span><span 54</span> <span //</span><span 判断是男是女</span>
<span 55</span> <span if</span>(<span $s_tsex</span>[<span $a</span>]=='0'<span )
</span><span 56</span> <span $s_tsex</span>[<span $a</span>]='男'<span ;
</span><span 57</span> <span else</span>
<span 58</span> <span $s_tsex</span>[<span $a</span>]='女'<span ;
</span><span 59</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 60</span> <span echo</span> '<td>'.<span $s_cid</span>[<span $a</span>].'</td>'<span ;
</span><span 61</span> <span echo</span> '<td>'.<span $s_cname</span>[<span $a</span>].'</td>'<span ;
</span><span 62</span> <span echo</span> '<td>'.<span $s_tname</span>[<span $a</span>].'</td>'<span ;
</span><span 63</span> <span echo</span> '<td>'.<span $s_tid</span>[<span $a</span>].'</td>'<span ;
</span><span 64</span> <span echo</span> '<td>'.<span $s_tage</span>[<span $a</span>].'</td>'<span ;
</span><span 65</span> <span echo</span> '<td>'.<span $s_tsex</span>[<span $a</span>].'</td>'<span ;
</span><span 66</span> <span echo</span> '<td><input type="checkbox" name="ma_'.<span $s_cid</span>[<span $a</span>].'" ></td></td>'<span ;
</span><span 67</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 68</span> <span }
</span><span 69</span> <span echo</span> "\t<tr><td colspan='7' align='center'><input type='submit' name='delsub' value='确认退课'></td></tr>\n"<span ;
</span><span 70</span> <span echo</span> "</table>\n"<span ;
</span><span 71</span> <span echo</span> "</form>"<span ;
</span><span 72</span> }ログイン後にコピー
学生查看成绩
<span 1</span> <span //</span><span 通过cookie得到sid</span>
<span 2</span> <span $id</span>=<span $_COOKIE</span>['uid'<span ];
</span><span 3</span> <span sql();
</span><span 4</span> <span //</span><span SQL语句通过学号sid取得课号cid和tid和课名</span>
<span 5</span> <span $sql_s</span>="SELECT * FROM [V3].[dbo].[class] where [sid]=".<span $id</span>.""<span ;
</span><span 6</span> <span $result_s</span> = mssql_query(<span $sql_s</span><span );
</span><span 7</span> <span $i</span>=0;<span //</span><span 保存有多少行</span>
<span 8</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result_s</span>,<span MSSQL_ASSOC))
</span><span 9</span> <span {
</span><span 10</span> <span $s_cid</span>[<span $i</span>]=<span $row</span>['cid'<span ];
</span><span 11</span> <span $s_cname</span>[<span $i</span>]=<span $row</span>['cname'<span ];
</span><span 12</span> <span $s_tid</span>[<span $i</span>]=<span $row</span>['tid'<span ];
</span><span 13</span> <span $s_score</span>[<span $i</span>]=<span $row</span>['score'<span ];
</span><span 14</span> <span $i</span>++<span ;
</span><span 15</span> <span }
</span><span 16</span> <span //</span><span SQL语句通过tid得到上课的老师名字以及教学年龄和性别</span>
<span 17</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 18</span> <span {
</span><span 19</span> <span $sql_s_t</span>[<span $a</span>]="SELECT * from [V3].[dbo].[teacher] where [tid]=".<span $s_tid</span>[<span $a</span>].""<span ;
</span><span 20</span> <span $result_s_t</span>[<span $a</span>] = mssql_query(<span $sql_s_t</span>[<span $a</span><span ]);
</span><span 21</span> <span while</span> (<span $s_t</span> = mssql_fetch_array(<span $result_s_t</span>[<span $a</span>],<span MSSQL_ASSOC))
</span><span 22</span> <span {
</span><span 23</span> <span $s_tsex</span>[<span $a</span>]=<span $s_t</span>['tsex'<span ];
</span><span 24</span> <span $s_tage</span>[<span $a</span>]=<span $s_t</span>['tage'<span ];
</span><span 25</span> <span $s_tname</span>[<span $a</span>]=<span $s_t</span>['tname'<span ];
</span><span 26</span> <span }
</span><span 27</span> <span }
</span><span 28</span> <span //</span><span 保存字段中文含义</span>
<span 29</span> <span $arrname</span>[0]='课号'<span ;
</span><span 30</span> <span $arrname</span>[1]='课名'<span ;
</span><span 31</span> <span $arrname</span>[2]='老师名字'<span ;
</span><span 32</span> <span $arrname</span>[3]='老师编号'<span ;
</span><span 33</span> <span $arrname</span>[4]='老师教学年龄'<span ;
</span><span 34</span> <span $arrname</span>[5]='老师性别'<span ;
</span><span 35</span> <span $arrname</span>[6]='分数'<span ;
</span><span 36</span> <span /*</span><span ******************
</span><span 37</span> <span HTML表格输出
</span><span 38</span> <span ******************</span><span */</span>
<span 39</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 40</span> <span echo</span> "\t<tr><td colspan='7' align='center'>我选上的课</td></tr>\n"<span ;
</span><span 41</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 42</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 43</span> <span //</span><span 有7列</span>
<span 44</span> <span for</span>(<span $num</span>=0;<span $num</span><7;<span $num</span>++<span )
</span><span 45</span> <span {
</span><span 46</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num</span>]."</td>\n"<span ;
</span><span 47</span> <span }
</span><span 48</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 49</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 50</span> <span {
</span><span 51</span> <span if</span>(<span $s_tsex</span>[<span $a</span>]=='0'<span )
</span><span 52</span> <span $s_tsex</span>[<span $a</span>]='男'<span ;
</span><span 53</span> <span else</span>
<span 54</span> <span $s_tsex</span>[<span $a</span>]='女'<span ;
</span><span 55</span> <span //</span><span 判断是否上成绩，若为999，则是没有上成绩</span>
<span 56</span> <span if</span>(<span $s_score</span>[<span $a</span>]=='999'<span )
</span><span 57</span> <span {
</span><span 58</span> <span $s_score</span>[<span $a</span>]='未上成绩'<span ;
</span><span 59</span> <span }
</span><span 60</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 61</span> <span echo</span> '<td>'.<span $s_cid</span>[<span $a</span>].'</td>'<span ;
</span><span 62</span> <span echo</span> '<td>'.<span $s_cname</span>[<span $a</span>].'</td>'<span ;
</span><span 63</span> <span echo</span> '<td>'.<span $s_tname</span>[<span $a</span>].'</td>'<span ;
</span><span 64</span> <span echo</span> '<td>'.<span $s_tid</span>[<span $a</span>].'</td>'<span ;
</span><span 65</span> <span echo</span> '<td>'.<span $s_tage</span>[<span $a</span>].'</td>'<span ;
</span><span 66</span> <span echo</span> '<td>'.<span $s_tsex</span>[<span $a</span>].'</td>'<span ;
</span><span 67</span> <span echo</span> '<td>'.<span $s_score</span>[<span $a</span>].'</td>'<span ;
</span><span 68</span>
<span 69</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 70</span> <span }
</span><span 71</span> <span echo</span> "</table>\n";ログイン後にコピー
老师登录和查看所有资料（权限限制）
<span 1</span> <span //</span><span GET传递信息，显示所以老师（权限限制）</span>
<span 2</span> <span if</span>(<span $_GET</span>['people']=='all'<span )
</span><span 3</span> <span {
</span><span 4</span> <span if</span>(<span $_COOKIE</span>["super"]=='10'<span )
</span><span 5</span> <span {
</span><span 6</span> <span sql();
</span><span 7</span> <span //</span><span SQL 语句</span>
<span 8</span> <span $query</span> = "SELECT * FROM [V3].[dbo].[teacher]"<span ;
</span><span 9</span> <span $result</span> = mssql_query(<span $query</span><span );
</span><span 10</span>
<span 11</span> <span /*</span><span ******************
</span><span 12</span> <span HTML表格输出
</span><span 13</span> <span ******************</span><span */</span>
<span 14</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 15</span> <span //</span><span 取得结果集中字段的数目</span>
<span 16</span> <span $db_t_num</span>=mssql_num_fields(<span $result</span><span );
</span><span 17</span> <span //</span><span 保存字段中文含义</span>
<span 18</span> <span $arrname</span>[0]='编号'<span ;
</span><span 19</span> <span $arrname</span>[1]='姓名'<span ;
</span><span 20</span> <span $arrname</span>[2]='教学年龄'<span ;
</span><span 21</span> <span $arrname</span>[3]='性别'<span ;
</span><span 22</span> <span $arrname</span>[4]='登录帐号'<span ;
</span><span 23</span> <span $arrname</span>[5]='登录密码'<span ;
</span><span 24</span> <span $arrname</span>[6]='管理权限'<span ;
</span><span 25</span>
<span 26</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 27</span> <span for</span>(<span $num</span>=0;<span $num</span><<span $db_t_num</span>;<span $num</span>++<span )
</span><span 28</span> <span {
</span><span 29</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num</span>]."</td>\n"<span ;
</span><span 30</span> <span }
</span><span 31</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 32</span> <span //</span><span 从结果集中取得一行作为关联数组</span>
<span 33</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result</span>,<span MSSQL_ASSOC))
</span><span 34</span> <span {
</span><span 35</span> <span //</span><span 判断之后显示男女中文</span>
<span 36</span> <span if</span>(<span $row</span>["tsex"]=='0'<span )
</span><span 37</span> <span $row</span>["tsex"]='男'<span ;
</span><span 38</span> <span else</span>
<span 39</span> <span $row</span>["tsex"]='女'<span ;
</span><span 40</span> <span //</span><span 判断是不是超级管理员</span>
<span 41</span> <span if</span>(<span $row</span>["tsuper"]=='10'<span )
</span><span 42</span> <span $row</span>["tsuper"]='超级老师管理员'<span ;
</span><span 43</span> <span else</span>
<span 44</span> <span $row</span>["tsuper"]='普通老师管理员'<span ;
</span><span 45</span>
<span 46</span> <span //</span><span 输出内容</span>
<span 47</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 48</span> <span echo</span> '<td>'.<span $row</span>["tid"].'</td>'<span ;
</span><span 49</span> <span echo</span> '<td>'.<span $row</span>["tname"].'</td>'<span ;
</span><span 50</span> <span echo</span> '<td>'.<span $row</span>["tage"].'</td>'<span ;
</span><span 51</span> <span echo</span> '<td>'.<span $row</span>["tsex"].'</td>'<span ;
</span><span 52</span> <span echo</span> '<td>'.<span $row</span>["tcount"].'</td>'<span ;
</span><span 53</span> <span echo</span> '<td>******</td>';<span //</span><span 隐藏的写法</span>
<span 54</span> <span echo</span> '<td>'.<span $row</span>["tsuper"].'</td>'<span ;
</span><span 55</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 56</span> <span }
</span><span 57</span> <span echo</span> "</table>\n"<span ;
</span><span 58</span>
<span 59</span> <span //</span><span 释放SQL链接</span>
<span 60</span> mssql_free_result(<span $result</span><span );
</span><span 61</span> <span }
</span><span 62</span> <span else</span>
<span 63</span> <span {
</span><span 64</span> <span echo</span> "没有权限查看！"<span ;
</span><span 65</span> <span }
</span><span 66</span> }ログイン後にコピー
老师查看资料
<span 1</span> <span //</span><span GET传递信息，显示自己信息</span>
<span 2</span> <span if</span>(<span $_GET</span>['people']=='me'<span )
</span><span 3</span> <span {
</span><span 4</span> <span //</span><span cookie传输tid</span>
<span 5</span> <span $id</span>=<span $_COOKIE</span>["uid"<span ];
</span><span 6</span> <span //</span><span SQL 语句</span>
<span 7</span> <span $query</span> = "SELECT * FROM [V3].[dbo].[teacher] where tid=".<span $id</span>.""<span ;
</span><span 8</span> <span $result</span> = mssql_query(<span $query</span><span );
</span><span 9</span> <span /*</span><span ******************
</span><span 10</span> <span HTML表格输出
</span><span 11</span> <span ******************</span><span */</span>
<span 12</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 13</span> <span //</span><span 取得结果集中字段的数目</span>
<span 14</span> <span $db_t_num</span>=mssql_num_fields(<span $result</span><span );
</span><span 15</span> <span //</span><span 保存字段中文含义</span>
<span 16</span> <span $arrname</span>[0]='编号'<span ;
</span><span 17</span> <span $arrname</span>[1]='姓名'<span ;
</span><span 18</span> <span $arrname</span>[2]='教学年龄'<span ;
</span><span 19</span> <span $arrname</span>[3]='性别'<span ;
</span><span 20</span> <span $arrname</span>[4]='登录帐号'<span ;
</span><span 21</span> <span $arrname</span>[5]='登录密码'<span ;
</span><span 22</span> <span $arrname</span>[6]='管理权限'<span ;
</span><span 23</span>
<span 24</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 25</span> <span for</span>(<span $num</span>=0;<span $num</span><<span $db_t_num</span>;<span $num</span>++<span )
</span><span 26</span> <span {
</span><span 27</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num</span>]."</td>\n"<span ;
</span><span 28</span> <span }
</span><span 29</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 30</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result</span>,<span MSSQL_ASSOC))
</span><span 31</span> <span {
</span><span 32</span> <span //</span><span 判断之后显示男女中文</span>
<span 33</span> <span if</span>(<span $row</span>["tsex"]=='0'<span )
</span><span 34</span> <span $row</span>["tsex"]='男'<span ;
</span><span 35</span> <span else</span>
<span 36</span> <span $row</span>["tsex"]='女'<span ;
</span><span 37</span> <span //</span><span 判断是不是超级管理员</span>
<span 38</span> <span if</span>(<span $row</span>["tsuper"]=='10'<span )
</span><span 39</span> <span $row</span>["tsuper"]='超级老师管理员'<span ;
</span><span 40</span> <span else</span>
<span 41</span> <span $row</span>["tsuper"]='普通老师管理员'<span ;
</span><span 42</span>
<span 43</span> <span //</span><span 输出内容</span>
<span 44</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 45</span> <span echo</span> '<td>'.<span $row</span>["tid"].'</td>'<span ;
</span><span 46</span> <span echo</span> '<td>'.<span $row</span>["tname"].'</td>'<span ;
</span><span 47</span> <span echo</span> '<td>'.<span $row</span>["tage"].'</td>'<span ;
</span><span 48</span> <span echo</span> '<td>'.<span $row</span>["tsex"].'</td>'<span ;
</span><span 49</span> <span echo</span> '<td>'.<span $row</span>["tcount"].'</td>'<span ;
</span><span 50</span> <span echo</span> '<td>******</td>';<span //</span><span 隐藏的写法</span>
<span 51</span> <span echo</span> '<td>'.<span $row</span>["tsuper"].'</td>'<span ;
</span><span 52</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 53</span> <span }
</span><span 54</span> <span echo</span> "</table>\n"<span ;
</span><span 55</span>
<span 56</span> <span //</span><span 释放SQL链接</span>
<span 57</span> mssql_free_result(<span $result</span><span );
</span><span 58</span> }ログイン後にコピー
老师添加老师（权限限制）
<span 1</span> <span //</span><span POST传递信息</span>
<span 2</span> <span if</span>(<span isset</span>(<span $_POST</span>['addsub'<span ]))
</span><span 3</span> <span {
</span><span 4</span> <span //</span><span 把传递的信息传到变量里面</span>
<span 5</span> <span $tname</span>=<span $_POST</span>['name'<span ];
</span><span 6</span> <span $tsex</span>=<span $_POST</span>['sex'<span ];
</span><span 7</span> <span $tage</span>=<span $_POST</span>['age'<span ];
</span><span 8</span> <span $tcount</span>=<span $_POST</span>['count'<span ];
</span><span 9</span> <span $tpwd</span>=<span $_POST</span>['pwd'<span ];
</span><span 10</span> <span $tpwd2</span>=<span $_POST</span>['pwd2'<span ];
</span><span 11</span> <span $tsuper</span>=<span $_POST</span>['super'<span ];
</span><span 12</span> <span $tidid</span>=<span $_POST</span>['idid'<span ];
</span><span 13</span> <span $age</span>=<span $_POST</span>['ageage'<span ];
</span><span 14</span> <span $tel</span>=<span $_POST</span>['tel'<span ];
</span><span 15</span> <span $address</span>=<span $_POST</span>['address'<span ];
</span><span 16</span> <span //</span><span 判断两次密码是否相同</span>
<span 17</span> <span if</span>(<span $tpwd</span>==<span $tpwd2</span><span )
</span><span 18</span> <span {
</span><span 19</span> <span sql();
</span><span 20</span> <span //</span><span SQL语句</span>
<span 21</span> <span $sql</span>="select * from [V3].[dbo].[teacher]"<span ;
</span><span 22</span> <span $result</span> = mssql_query(<span $sql</span><span );
</span><span 23</span> <span //</span><span 从结果集中取得一行作为关联数组</span>
<span 24</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result</span>,<span MSSQL_ASSOC))
</span><span 25</span> <span {
</span><span 26</span> <span //</span><span 二次判断是否登录帐号重复</span>
<span 27</span> <span if</span>(<span $row</span>['tcount']==<span $tcount</span><span )
</span><span 28</span> <span {
</span><span 29</span> <span //</span><span 报错并终止</span>
<span 30</span> <span echo</span> ("已经有人申请了这个帐号！"<span );
</span><span 31</span> <span exit</span><span ();
</span><span 32</span> <span }
</span><span 33</span> <span }
</span><span 34</span> <span //</span><span 执行SQL语句插入</span>
<span 35</span> <span $sql_add</span>="EXEC [V3].[dbo].[V3_teacher] ".<span $tidid</span>.",'".<span $tname</span>."', '".<span $tage</span>."', '".<span $tsex</span>."', '".<span $tcount</span>."', '".<span $tpwd</span>."', '".<span $tsuper</span>."','".<span $age</span>."','".<span $tel</span>."','".<span $address</span>."'"<span ;
</span><span 36</span> <span $result_add</span> = mssql_query(<span $sql_add</span><span );
</span><span 37</span> <span if</span>(<span $result_add</span><span )
</span><span 38</span> {<span echo</span> "添加成功！"<span ;}
</span><span 39</span> <span else</span>
<span 40</span> {<span echo</span> "sql出错！"<span ;}
</span><span 41</span> <span }
</span><span 42</span> <span else</span>
<span 43</span> <span {
</span><span 44</span> <span //</span><span 报错并终止</span>
<span 45</span> <span echo</span> ("两次密码不对"<span );
</span><span 46</span> <span exit</span><span ();
</span><span 47</span> <span }
</span><span 48</span> }ログイン後にコピー
老师删减老师（权限限制）
<span 1</span> <span //</span><span POST传递信息</span>
<span 2</span> <span if</span>(<span isset</span>(<span $_POST</span>['delsub'<span ]))
</span><span 3</span> <span {
</span><span 4</span> <span sql();
</span><span 5</span> <span $tid</span>=<span $_POST</span>['id'<span ];
</span><span 6</span> <span $sql</span>="DELETE FROM [V3].[dbo].[teacher] where [tid]=".<span $tid</span>.""<span ;
</span><span 7</span> <span $result</span> = mssql_query(<span $sql</span><span );
</span><span 8</span> <span if</span>(<span $result</span><span )
</span><span 9</span> {<span echo</span> "删除成功"<span ;}
</span><span 10</span> <span else</span>
<span 11</span> {<span echo</span> "SQL出错！"<span ;}
</span><span 12</span> }ログイン後にコピー
老师添加课程
<span 1</span> <span //</span><span POST传递信息</span>
<span 2</span> <span if</span>(<span isset</span>(<span $_POST</span>['addclass'<span ]))
</span><span 3</span> <span {
</span><span 4</span> <span sql();
</span><span 5</span> <span //</span><span POST传递信息</span>
<span 6</span> <span $tid</span>=<span $_POST</span>['id'<span ];
</span><span 7</span> <span $cname</span>=<span $_POST</span>['name'<span ];
</span><span 8</span> <span //</span><span SQL语句插入</span>
<span 9</span> <span $sql</span>="INSERT INTO [V3].[dbo].[class] ([sid], [tid], [cname],[score],[cid]) VALUES (0, ".<span $tid</span>.", '".<span $cname</span>."',999,".<span rand</span>(1,999).")"<span ;
</span><span 10</span> <span $result</span> = mssql_query(<span $sql</span><span );
</span><span 11</span> <span if</span>(<span $result</span><span )
</span><span 12</span> {<span echo</span> "创建课程成功"<span ;}
</span><span 13</span> <span else</span>
<span 14</span> {<span echo</span> "SQL出错！"<span ;}
</span><span 15</span> }ログイン後にコピー
老师查看选课情况
<span 1</span> <span if</span>(<span $_GET</span>['action']=='list'<span )
</span><span 2</span> <span {
</span><span 3</span> <span //</span><span cookie传递tid</span>
<span 4</span> <span $id</span>=<span $_COOKIE</span>["uid"<span ];
</span><span 5</span> <span sql();
</span><span 6</span> <span //</span><span SQL语句取得编号tid老师以及默认学生sid=0，得到课名cname和课号cid</span>
<span 7</span> <span $sql_class</span>="SELECT * FROM [V3].[dbo].[class] where [tid]=".<span $id</span>." AND [sid] = 0"<span ;
</span><span 8</span> <span $result_class</span> = mssql_query(<span $sql_class</span><span );
</span><span 9</span> <span $i</span>=0;<span //</span><span 保存有多少行</span>
<span 10</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result_class</span>,<span MSSQL_ASSOC))
</span><span 11</span> <span {
</span><span 12</span> <span $class_id</span>[<span $i</span>]=<span $row</span>['cid'<span ];
</span><span 13</span> <span $class_name</span>[<span $i</span>]=<span $row</span>['cname'<span ];
</span><span 14</span> <span $i</span>++<span ;
</span><span 15</span> <span }
</span><span 16</span> <span //</span><span SQL语句通过tid和cid得到有多少学生选课</span>
<span 17</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 18</span> <span {
</span><span 19</span> <span $sql_num</span>[<span $a</span>]="SELECT * FROM [V3].[dbo].[class] where [tid]=".<span $id</span>." AND [cid] = ".<span $class_id</span>[<span $a</span>].""<span ;
</span><span 20</span> <span $result_num</span>[<span $a</span>]= mssql_query(<span $sql_num</span>[<span $a</span><span ]);
</span><span 21</span> <span $class_num</span>[<span $a</span>]=mssql_num_rows(<span $result_num</span>[<span $a</span><span ]);
</span><span 22</span> <span }
</span><span 23</span> <span //</span><span 保存字段中文含义</span>
<span 24</span> <span $arrname</span>[0]='课号'<span ;
</span><span 25</span> <span $arrname</span>[1]='课名'<span ;
</span><span 26</span> <span $arrname</span>[2]='选课人数'<span ;
</span><span 27</span> <span /*</span><span ******************
</span><span 28</span> <span HTML表格输出
</span><span 29</span> <span ******************</span><span */</span>
<span 30</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 31</span> <span echo</span> "\t<tr><td colspan='3' align='center'>老师号：".<span $id</span>."</td></tr>\n"<span ;
</span><span 32</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 33</span> <span //</span><span 有3列</span>
<span 34</span> <span for</span>(<span $num</span>=0;<span $num</span><3;<span $num</span>++<span )
</span><span 35</span> <span {
</span><span 36</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num</span>]."</td>\n"<span ;
</span><span 37</span> <span }
</span><span 38</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 39</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 40</span> <span {
</span><span 41</span> <span //</span><span 删去sid为0的</span>
<span 42</span> <span $class_num</span>[<span $a</span>]=<span $class_num</span>[<span $a</span>]-1<span ;
</span><span 43</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 44</span> <span echo</span> '<td>'.<span $class_id</span>[<span $a</span>].'</td>'<span ;
</span><span 45</span> <span echo</span> '<td>'.<span $class_name</span>[<span $a</span>].'</td>'<span ;
</span><span 46</span> <span echo</span> '<td>'.<span $class_num</span>[<span $a</span>].'</td>'<span ;
</span><span 47</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 48</span> <span }
</span><span 49</span> <span echo</span> "</table>\n"<span ;
</span><span 50</span> <span }
</span><span 51</span> ?>ログイン後にコピー
老师删减课程
<span 1</span> <span //</span><span POST传递信息</span>
<span 2</span> <span if</span>(<span isset</span>(<span $_POST</span>['delclass'<span ]))
</span><span 3</span> <span {
</span><span 4</span> <span sql();
</span><span 5</span> <span //</span><span POST传递信息</span>
<span 6</span> <span $cid</span>=<span $_POST</span>['cid'<span ];
</span><span 7</span> <span //</span><span SQL进行删减操作</span>
<span 8</span> <span $sql</span>="DELETE FROM [V3].[dbo].[class] where [cid]=".<span $cid</span>.""<span ;
</span><span 9</span> <span $result</span> = mssql_query(<span $sql</span><span );
</span><span 10</span> <span if</span>(<span $result</span><span )
</span><span 11</span> {<span echo</span> "删除课程成功"<span ;}
</span><span 12</span> <span else</span>
<span 13</span> {<span echo</span> "SQL出错！";}ログイン後にコピー
老师查看成绩
<span 1</span> <span //</span><span GET传递信息</span>
<span 2</span> <span if</span>(<span $_GET</span>['action']=='show'<span )
</span><span 3</span> <span {
</span><span 4</span> <span sql();
</span><span 5</span> <span //</span><span cookie传输tid</span>
<span 6</span> <span $id</span>=<span $_COOKIE</span>["uid"<span ];
</span><span 7</span> <span //</span><span SQL语句通过tid取得课号cid</span>
<span 8</span> <span $sql_t</span>="SELECT * FROM [V3].[dbo].[class] where [sid]=0 AND [tid] = ".<span $id</span>.""<span ;
</span><span 9</span> <span $result_t</span> = mssql_query(<span $sql_t</span><span );
</span><span 10</span> <span $i</span>=0;<span //</span><span 保存老师有多少课程</span>
<span 11</span> <span while</span> (<span $row</span> = mssql_fetch_array(<span $result_t</span>,<span MSSQL_ASSOC))
</span><span 12</span> <span {
</span><span 13</span> <span $t_cid</span>[<span $i</span>]=<span $row</span>['cid'<span ];
</span><span 14</span> <span $t_cname</span>[<span $i</span>]=<span $row</span>['cname'<span ];
</span><span 15</span> <span $i</span>++<span ;
</span><span 16</span> <span }
</span><span 17</span> <span //</span><span 将cid,sid,score存入数组</span>
<span 18</span> <span for</span>(<span $a</span>=0;<span $a</span><<span $i</span>;<span $a</span>++<span )
</span><span 19</span> <span {
</span><span 20</span> <span //</span><span 通过cid找到选课了的学生</span>
<span 21</span> <span $sql_t_s</span>="SELECT * FROM [V3].[dbo].[class] where [cid]=".<span $t_cid</span>[<span $a</span>]." AND [tid] = ".<span $id</span>.""<span ;
</span><span 22</span> <span $result_t_s</span> = mssql_query(<span $sql_t_s</span><span );
</span><span 23</span> <span $ii</span>=0;<span //</span><span 保存每个课程的学生人数</span>
<span 24</span> <span while</span>(<span $row_ready</span> = mssql_fetch_array(<span $result_t_s</span>,<span MSSQL_ASSOC))
</span><span 25</span> <span {
</span><span 26</span> <span $t_sid</span>[<span $a</span>][<span $ii</span>]=<span $row_ready</span>['sid'<span ];
</span><span 27</span> <span $t_score</span>[<span $a</span>][<span $ii</span>]=<span $row_ready</span>['score'<span ];
</span><span 28</span> <span $ii</span>++<span ;
</span><span 29</span> <span }
</span><span 30</span> <span $num</span>[<span $a</span>]=<span $ii</span>;<span //</span><span 把每个课程的人数存到数组里面</span>
<span 31</span> <span }
</span><span 32</span> <span //</span><span 通过sid找到sname</span>
<span 33</span> <span for</span>(<span $b</span>=0;<span $b</span><<span $i</span>;<span $b</span>++<span )
</span><span 34</span> <span {
</span><span 35</span> <span for</span>(<span $c</span>=0;<span $c</span><<span $num</span>[<span $b</span>];<span $c</span>++<span )
</span><span 36</span> <span {
</span><span 37</span> <span //</span><span 通过cid找到选课了的学生</span>
<span 38</span> <span $sql_sn</span>="SELECT * FROM [V3].[dbo].[V3_student] where [sid]=".<span $t_sid</span>[<span $b</span>][<span $c</span>].""<span ;
</span><span 39</span> <span $result_sn</span> = mssql_query(<span $sql_sn</span><span );
</span><span 40</span> <span while</span>(<span $row_sn</span> = mssql_fetch_array(<span $result_sn</span>,<span MSSQL_ASSOC))
</span><span 41</span> <span {
</span><span 42</span> <span $t_sname</span>[<span $b</span>][<span $c</span>]=<span $row_sn</span>['sname'<span ];
</span><span 43</span> <span }
</span><span 44</span> <span }
</span><span 45</span> <span }
</span><span 46</span> <span //</span><span 列出老师的课程</span>
<span 47</span> <span if</span>(<span $_GET</span>['cid']=='0'<span )
</span><span 48</span> <span {
</span><span 49</span> <span for</span>(<span $dd</span>=0;<span $dd</span><<span $i</span>;<span $dd</span>++<span )
</span><span 50</span> <span {
</span><span 51</span> <span echo</span> "<a href='score.php?action=show&cid=".<span $t_cid</span>[<span $dd</span>]."'>查看__".<span $t_cname</span>[<span $dd</span>]."__课程情况!</a><br>"<span ;
</span><span 52</span> <span }
</span><span 53</span> <span }
</span><span 54</span> <span for</span>(<span $ddd</span>=0;<span $ddd</span><<span $i</span>;<span $ddd</span>++<span )
</span><span 55</span> <span {
</span><span 56</span> <span if</span>(<span $_GET</span>['cid']==<span $t_cid</span>[<span $ddd</span><span ])
</span><span 57</span> <span {
</span><span 58</span> <span //</span><span 保存字段中文含义</span>
<span 59</span> <span $arrname</span>[0]='课号'<span ;
</span><span 60</span> <span $arrname</span>[1]='课名'<span ;
</span><span 61</span> <span $arrname</span>[2]='学生号'<span ;
</span><span 62</span> <span $arrname</span>[3]='学生名'<span ;
</span><span 63</span> <span $arrname</span>[4]='成绩'<span ;
</span><span 64</span> <span /*</span><span ******************
</span><span 65</span> <span HTML表格输出
</span><span 66</span> <span ******************</span><span */</span>
<span 67</span> <span echo</span> "<table border='1' >\n"<span ;
</span><span 68</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 69</span> <span //</span><span 5列</span>
<span 70</span> <span for</span>(<span $num5</span>=0;<span $num5</span><5;<span $num5</span>++<span )
</span><span 71</span> <span {
</span><span 72</span> <span echo</span> "\t\t<td>".<span $arrname</span>[<span $num5</span>]."</td>\n"<span ;
</span><span 73</span> <span }
</span><span 74</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 75</span>
<span 76</span> <span for</span>(<span $e</span>=0;<span $e</span> < <span $num</span>[ <span $ddd</span> ];<span $e</span>++<span )
</span><span 77</span> <span {
</span><span 78</span> <span if</span>(<span $t_score</span>[<span $ddd</span>][<span $e</span>]=="999"<span )
</span><span 79</span> <span {
</span><span 80</span> <span $t_score</span>[<span $ddd</span>][<span $e</span>]="未上传成绩"<span ;
</span><span 81</span> <span }
</span><span 82</span> <span if</span>(<span $t_sid</span>[<span $ddd</span>][<span $e</span>]=='0'<span )
</span><span 83</span> <span {
</span><span 84</span> <span //</span><span 不显示默认为0的学生</span>
<span 85</span> <span continue</span><span ;
</span><span 86</span> <span }
</span><span 87</span> <span //</span><span 输出内容</span>
<span 88</span> <span echo</span> "\t<tr>\n"<span ;
</span><span 89</span> <span echo</span> '<td>'.<span $t_cid</span>[<span $ddd</span>].'</td>'<span ;
</span><span 90</span> <span echo</span> '<td>'.<span $t_cname</span>[<span $ddd</span>].'</td>'<span ;
</span><span 91</span> <span echo</span> '<td>'.<span $t_sid</span>[<span $ddd</span>][<span $e</span>].'</td>'<span ;
</span><span 92</span> <span echo</span> '<td>'.<span $t_sname</span>[<span $ddd</span>][<span $e</span>].'</td>'<span ;
</span><span 93</span> <span echo</span> '<td>'.<span $t_score</span>[<span $ddd</span>][<span $e</span>].'</td>'<span ;
</span><span 94</span> <span echo</span> "\t</tr>\n"<span ;
</span><span 95</span> <span }
</span><span 96</span> <span echo</span> "</table>\n"<span ;
</span><span 97</span> <span }
</span><span 98</span> <span }
</span><span 99</span> }ログイン後にコピー
老师上传成绩
<span> <span if>(<span isset>(<span>['up'<span><span> <span><span> <span sql><span> <span><span cookie> <span> <span>=<span>["uid"<span><span> <span><span post> <span> <span>=<span>['cid'<span><span> <span><span> <span> <span>="SELECT * FROM [V3].[dbo].[class] where [cid]=".<span>." AND [tid] = ".<span>.""<span><span> <span> = mssql_query(<span><span><span> <span>=0;<span><span> <span> <span while> (<span> = mssql_fetch_array(<span>,<span mssql_assoc><span> <span><span> <span>[<span>]=<span>['score'<span><span> <span>[<span>]=<span>['sid'<span><span> <span>++<span><span> <span><span> <span for>(<span>=0;<span>;<span>++<span><span> <span><span> <span if>(<span>[<span>]=='0'<span><span> <span><span> <span><span> <span> <span continue><span><span> <span><span> <span><span> <span> <span if>(<span is_numeric>(<span>["sid_<span>[<span>]"<span><span> <span><span> <span><span> <span> <span if>(<span>["sid_<span>[<span>]"]</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
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HQL と SQL は Hibernate フレームワークで比較されます。HQL (1. オブジェクト指向構文、2. データベースに依存しないクエリ、3. タイプ セーフティ)、SQL はデータベースを直接操作します (1. データベースに依存しない標準、2. 複雑な実行可能ファイル)。クエリとデータ操作)。
Go 言語はデータベースの追加、削除、変更、クエリ操作をどのように実装しますか?
Mar 27, 2024 pm 09:39 PM
Go 言語は、効率的かつ簡潔で習得が容易なプログラミング言語であり、同時プログラミングやネットワーク プログラミングに優れているため、開発者に好まれています。実際の開発ではデータベースの操作が欠かせませんが、今回はGo言語を使ってデータベースの追加・削除・変更・クエリ操作を実装する方法を紹介します。 Go 言語では、データベースを操作するために通常、よく使用される SQL パッケージや gorm などのサードパーティ ライブラリを使用します。ここでは SQL パッケージを例として、データベースの追加、削除、変更、クエリ操作を実装する方法を紹介します。 MySQL データベースを使用していると仮定します。
Hibernate はポリモーフィック マッピングをどのように実装しますか?
Apr 17, 2024 pm 12:09 PM
Hibernate ポリモーフィック マッピングは、継承されたクラスをデータベースにマップでき、次のマッピング タイプを提供します。 join-subclass: 親クラスのすべての列を含む、サブクラス用の別個のテーブルを作成します。 table-per-class: サブクラス固有の列のみを含む、サブクラス用の別個のテーブルを作成します。 Union-subclass: join-subclass と似ていますが、親クラス テーブルがすべてのサブクラス列を結合します。
PHP コーディングの実践: Goto ステートメントの代替手段の拒否
Mar 28, 2024 pm 09:24 PM
PHP コーディングの実践: Goto ステートメントの代替手段の使用の拒否 近年、プログラミング言語の継続的な更新と反復により、プログラマーはコーディング仕様とベスト プラクティスにより多くの注意を払い始めています。 PHP プログラミングでは、制御フロー ステートメントとして goto ステートメントが長い間存在していましたが、実際のアプリケーションではコードの可読性と保守性の低下につながることがよくあります。この記事では、開発者が goto ステートメントの使用を拒否し、コードの品質を向上させるのに役立ついくつかの代替案を紹介します。 1. なぜ goto ステートメントの使用を拒否するのですか?まず、その理由を考えてみましょう
HTML がデータベースを読み取る方法の詳細な分析
Apr 09, 2024 pm 12:36 PM
HTML はデータベースを直接読み取ることはできませんが、JavaScript と AJAX を通じて実現できます。この手順には、データベース接続の確立、クエリの送信、応答の処理、ページの更新が含まれます。この記事では、JavaScript、AJAX、および PHP を使用して MySQL データベースからデータを読み取る実践的な例を示し、クエリ結果を HTML ページに動的に表示する方法を示します。この例では、XMLHttpRequest を使用してデータベース接続を確立し、クエリを送信して応答を処理することで、ページ要素にデータを埋め込み、データベースを読み取る HTML の機能を実現します。
iOS 18では、紛失または破損した写真を復元するための新しい「復元」アルバム機能が追加されます
Jul 18, 2024 am 05:48 AM
Apple の最新リリースの iOS18、iPadOS18、および macOS Sequoia システムでは、さまざまな理由で紛失または破損した写真やビデオをユーザーが簡単に回復できるように設計された重要な機能が写真アプリケーションに追加されました。この新機能では、写真アプリのツール セクションに「Recovered」というアルバムが導入され、ユーザーがデバイス上に写真ライブラリに含まれていない写真やビデオがある場合に自動的に表示されます。 「Recovered」アルバムの登場により、データベースの破損、カメラ アプリケーションが写真ライブラリに正しく保存されない、または写真ライブラリを管理するサードパーティ アプリケーションによって失われた写真やビデオに対する解決策が提供されます。ユーザーはいくつかの簡単な手順を実行するだけで済みます
PHP で MySQLi を使用してデータベース接続を確立するための詳細なチュートリアル
Jun 04, 2024 pm 01:42 PM
MySQLi を使用して PHP でデータベース接続を確立する方法: MySQLi 拡張機能を含める (require_once) 接続関数を作成する (functionconnect_to_db) 接続関数を呼び出す ($conn=connect_to_db()) クエリを実行する ($result=$conn->query()) 閉じる接続 ( $conn->close())
PHP でデータベース接続エラーを処理する方法
Jun 05, 2024 pm 02:16 PM
PHP でデータベース接続エラーを処理するには、次の手順を使用できます。 mysqli_connect_errno() を使用してエラー コードを取得します。 mysqli_connect_error() を使用してエラー メッセージを取得します。これらのエラー メッセージをキャプチャしてログに記録することで、データベース接続の問題を簡単に特定して解決でき、アプリケーションをスムーズに実行できるようになります。
