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Home > Backend Development > PHP Tutorial > PHP and MYSQL realize user addition, deletion, modification and query

PHP and MYSQL realize user addition, deletion, modification and query

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Release： 2023-03-23 10:52:01
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This article shares with you all the page codes for using PHP MYSQL to implement the user's addition, deletion, modification and query functions. It is very detailed and very suitable for people who are new to PHP. Friends in need can refer to it.

Recommended related mysql video tutorials: "mysql tutorial"                                            

File List. . document content. . 

dbconn.php
userListt.php
editUser.php
editDo.php
detailUser.php
deleteUser.php
addUser.php
addDo.php
Copy after login


<?php
// 创建数据库连接
$con = mysql_connect("localhost",&#39;root&#39;,&#39;&#39;) or die(&#39;error:&#39;.mysql_error());
mysql_select_db(&#39;hyxx&#39;,$con) or die(&#39;error:&#39;.mysql_error());
mysql_query(&#39;set NAMES utf8&#39;);
?>
Copy after login

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>会员信息列表</title>
</head>
  <body>
    <table border="1" cellspacing="0" cellpadding="0" id="userList" align="center">
   <tr align="center">
    <td>id</td>
    <td>用户名</td>
    <td>密码</td>
    <td>性别</td>
    <td>年龄</td>
    <td>出生年月</td>
    <td>爱好</td>
    <td>注册时间</td>
    <td>最后登录时间</td>
    <td>操作</td>
   </tr>
<?php
require_once &#39;inc/dbConn.php&#39;;
//这是啥东东。。
date_default_timezone_set("PRC");
//读数据。。。
  $sql = "select * from user order by id asc";
  $result = mysql_query($sql,$con);
  $userList = &#39;&#39;;
  while($rs = mysql_fetch_array($result)){
        $userList[] = $rs;
    }
          // 循环用户列表
        foreach ($userList as $user){
          echo "
             <tr>
              <td> ".$user[&#39;id&#39;]."</td>
              <td> ".$user[&#39;username&#39;]."</td>
              <td> ".$user[&#39;password&#39;]."</td>
              <td> ".$user[&#39;sex&#39;]."</td>
              <td> ".$user[&#39;age&#39;]."</td>
              <td> ".date("Y-m-d",$user[&#39;birthday&#39;])."</td>
              <td> ".$user[&#39;hobby&#39;]."</td>
              <td> ".date("Y-m-d",$user[&#39;add_time&#39;])."</td>
              <td> ".date("Y-m-d",$user[&#39;last_login&#39;])."</td>
              <td> <a href=&#39;addUser.php&#39;>增</a> 
              <a href=&#39;deleteUser.php?id=".$user[&#39;id&#39;]."&#39;);\">&nbsp删</a>
              <a href=&#39;editUser.php?id=".$user[&#39;id&#39;]."&#39;);\">&nbsp改</a>
              <a href=&#39;detailUser.php?id=".$user[&#39;id&#39;]."&#39;);\">&nbsp查</a>                    
              </td>
             </tr>
          ";
        }
?>
  </table>
  </body>
</html>
Copy after login

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>编辑用户</title>
</head>
<body>
<?php 
require_once &#39;inc/dbConn.php&#39;;
$userId=$_GET[&#39;id&#39;];
//这是啥东东。。
date_default_timezone_set("PRC");
//读数据。。。
  $sql = "select * from user where id=".$userId;
  $result = mysql_query($sql,$con);
  $user = mysql_fetch_array($result);
?>
<form action="editDo.php" method="post">
    <input type="hidden" name="user_id" value="<?php echo $user[&#39;id&#39;]?>"/>
    <table width="444" border="1" align="center">
       <tr>
        <td>用户名 </td>
        <td> <input type="text" name="user_name" size="10" value=<?php echo $user[&#39;username&#39;] ?> /></td>
       </tr>
       <tr>
        <td>密码</td>
        <td> <input type="password" name="password" size="10" value=<?php echo $user[&#39;password&#39;] ?> /></td>
       </tr>
       <tr>
        <td>性别</td> 
        <td> <input type="radio" name="sex" value="男"
         <?php if($user[sex]==&#39;1&#39;) echo "checked=\"checked\"" ?> /> 男<input type="radio" name="sex" value="女" <?php if($user[sex]==&#39;2&#39;) echo "checked=\"checked\"" ?>
         /> 女 </td>
       </tr>
       <tr>
        <td>年龄</td>
        <td> <input type="text" name="age" size="3" value=<?php echo $user[&#39;age&#39;] ?> /></td>
       </tr>
       <tr>
        <td>出生年月</td>
        <td> 
        <!-- 1。取得年月日。2。相应的年月日。。。你懂的 -->
        <?php
        $birday_y=date("Y",$user[&#39;birthday&#39;]);
        $birday_m=date("m",$user[&#39;birthday&#39;]);
        $birday_d=date("d",$user[&#39;birthday&#39;]);
        ?>
          <select name="birthday_y">
          <option value="1980" <?php if($birday_y==1980) echo "selected=\"selected\""; ?> >1980</option>
          <option value="1981" <?php if($birday_y==1981) echo "selected=\"selected\""; ?> >1981</option>
          <option value="1982" <?php if($birday_y==1982) echo "selected=\"selected\""; ?> >1982</option>
          <option value="1983" <?php if($birday_y==1983) echo "selected=\"selected\""; ?> >1983</option>
          <option value="1984" <?php if($birday_y==1984) echo "selected=\"selected\""; ?> >1984</option>
          <option value="1985" <?php if($birday_y==1985) echo "selected=\"selected\""; ?> >1985</option>
          <option value="1986" <?php if($birday_y==1986) echo "selected=\"selected\""; ?> >1986</option>
          <option value="1987" <?php if($birday_y==1987) echo "selected=\"selected\""; ?> >1987</option>
          <option value="1988" <?php if($birday_y==1988) echo "selected=\"selected\""; ?> >1988</option>
          <option value="1989" <?php if($birday_y==1989) echo "selected=\"selected\""; ?> >1989</option>
          <option value="1990" <?php if($birday_y==1990) echo "selected=\"selected\""; ?> >1990</option>
          </select>
          年
          <select name="birthday_m">
          <option value="1" <?php if($birday_m==1) echo "selected=\"selected\""; ?> >1</option>
          <option value="2" <?php if($birday_m==2) echo "selected=\"selected\""; ?> >2</option>
          <option value="3" <?php if($birday_m==3) echo "selected=\"selected\""; ?> >3</option>
          <option value="4" <?php if($birday_m==4) echo "selected=\"selected\""; ?> >4</option>
          <option value="5" <?php if($birday_m==5) echo "selected=\"selected\""; ?> >5</option>
          <option value="6" <?php if($birday_m==6) echo "selected=\"selected\""; ?> >6</option>
          <option value="7" <?php if($birday_m==7) echo "selected=\"selected\""; ?> >7</option>
          <option value="8" <?php if($birday_m==8) echo "selected=\"selected\""; ?> >8</option>
          <option value="9" <?php if($birday_m==9) echo "selected=\"selected\""; ?> >9</option>
          <option value="10" <?php if($birday_m==10) echo "selected=\"selected\""; ?> >10</option>
          <option value="11" <?php if($birday_m==11) echo "selected=\"selected\""; ?> >11</option>
          <option value="12" <?php if($birday_m==12) echo "selected=\"selected\""; ?> >12</option>
          </select>
          月 
          <select name="birthday_d">
          <option value="1" <?php if($birday_d==1) echo "selected=\"selected\""; ?> >1</option>
          <option value="2" <?php if($birday_d==2) echo "selected=\"selected\""; ?> >2</option>
          <option value="3" <?php if($birday_d==3) echo "selected=\"selected\""; ?> >3</option>
          <option value="4" <?php if($birday_d==4) echo "selected=\"selected\""; ?> >4</option>
          <option value="5" <?php if($birday_d==5) echo "selected=\"selected\""; ?> >5</option>
          <option value="6" <?php if($birday_d==6) echo "selected=\"selected\""; ?> >6</option>
          <option value="7" <?php if($birday_d==7) echo "selected=\"selected\""; ?> >7</option>
          <option value="8" <?php if($birday_d==8) echo "selected=\"selected\""; ?> >8</option>
          <option value="9" <?php if($birday_d==9) echo "selected=\"selected\""; ?> >9</option>
          <option value="10" <?php if($birday_d==10) echo "selected=\"selected\""; ?> >10</option>
          <option value="11" <?php if($birday_d==11) echo "selected=\"selected\""; ?> >11</option>
          <option value="12" <?php if($birday_d==12) echo "selected=\"selected\""; ?> >12</option>
          <option value="13" <?php if($birday_d==13) echo "selected=\"selected\""; ?> >13</option>
          <option value="14" <?php if($birday_d==14) echo "selected=\"selected\""; ?> >14</option>
          <option value="15" <?php if($birday_d==15) echo "selected=\"selected\""; ?> >15</option>
          <option value="16" <?php if($birday_d==16) echo "selected=\"selected\""; ?> >16</option>
          <option value="17" <?php if($birday_d==17) echo "selected=\"selected\""; ?> >17</option>
          <option value="18" <?php if($birday_d==18) echo "selected=\"selected\""; ?> >18</option>
          <option value="19" <?php if($birday_d==19) echo "selected=\"selected\""; ?> >19</option>
          <option value="20" <?php if($birday_d==20) echo "selected=\"selected\""; ?> >20</option>
          <option value="21" <?php if($birday_d==21) echo "selected=\"selected\""; ?> >21</option>
          <option value="22" <?php if($birday_d==22) echo "selected=\"selected\""; ?> >22</option>
          <option value="23" <?php if($birday_d==23) echo "selected=\"selected\""; ?> >23</option>
          <option value="24" <?php if($birday_d==24) echo "selected=\"selected\""; ?> >24</option>
          <option value="25" <?php if($birday_d==25) echo "selected=\"selected\""; ?> >25</option>
          <option value="26" <?php if($birday_d==26) echo "selected=\"selected\""; ?> >26</option>
          <option value="27" <?php if($birday_d==27) echo "selected=\"selected\""; ?> >27</option>
          <option value="28" <?php if($birday_d==28) echo "selected=\"selected\""; ?> >28</option>
          <option value="29" <?php if($birday_d==29) echo "selected=\"selected\""; ?> >29</option>
          <option value="30" <?php if($birday_d==30) echo "selected=\"selected\""; ?> >30</option>
          <option value="31" <?php if($birday_d==31) echo "selected=\"selected\""; ?> >31</option>
          </select>
          日
        </td>
       </tr>
       <tr>
        <td>爱好</td>
        <td> <input type="text" name="hobby" size="44" value=<?php echo $user[&#39;hobby&#39;] ?> /></td>
       </tr>
       <tr>
        <td>个人简介</td>
        <td> <textarea name="profile" rows="10" cols="30" ><?php echo $user[&#39;profile&#39;] ?> </textarea> </td>
       </tr>
       <tr>
          <td colspan="2" align="center"><input type="submit" value="确定修改" /></td>
       </tr>
 </table>
      <p> </p>
      <p> </p>
      <p> </p>
</form>
</body>
</html>
Copy after login

< ;editDo.php>

<?php
require_once &#39;inc/dbConn.php&#39;;
////////////////////
///获取用户信息
////////////////////
$user_id = $_POST[&#39;user_id&#39;];
$user_name = $_POST[&#39;user_name&#39;];
$password= $_POST[&#39;password&#39;];
if($_POST[&#39;sex&#39;]==&#39;男&#39;)
{
  $sex=1;
}
else if($_POST[&#39;sex&#39;]==&#39;女&#39;)
{
    $sex=2;
}
else $sex=3;    
;
$age = $_POST[&#39;age&#39;];
$birthday_y = $_POST[&#39;birthday_y&#39;];
$birthday_m = $_POST[&#39;birthday_m&#39;];
$birthday_d = $_POST[&#39;birthday_d&#39;];
$birthday=mktime(0,0,0,$birthday_m,$birthday_d,$birthday_y);
$hobby = $_POST[&#39;hobby&#39;];
$profile = $_POST[&#39;profile&#39;];
$addTime=mktime(date("h"),date("m"),date("s"),date("m"),date("d"),date("Y"));
$lastLoginTime=$addTime;
  $sql = "update user set username=&#39;$user_name&#39;,password=&#39;$password&#39;,sex=&#39;$sex&#39;,age=&#39;$age&#39;,birthday=&#39;$birthday&#39;,hobby=&#39;$hobby&#39;,profile=&#39;$profile&#39; where id=&#39;$user_id&#39;";
  echo $sql;
  // 执行sql语句
  mysql_query($sql,$con);
  // 获取影响的行数
  $rows = mysql_affected_rows();
  // 返回影响行数
  // 如果影响行数>=1,则判断添加成功,否则失败
  if($rows >= 1)
  {
    alert("编辑成功");
    href("userListt.php");
  }else{
    alert("编辑失败");
//   href("addUser.php");
    }
function alert($title){
  echo "<script type=&#39;text/javascript&#39;>alert(&#39;$title&#39;);</script>";
}
function href($url){
  echo "<script type=&#39;text/javascript&#39;>window.location.href=&#39;$url&#39;</script>";
}
?>
Copy after login

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>查看用户明细</title>
</head>
<body>
<?php 
require_once &#39;inc/dbConn.php&#39;;
$userId=$_GET[&#39;id&#39;];
//这是啥东东。。
date_default_timezone_set("PRC");
//读数据。。。
  $sql = "select * from user where id=".$userId;
  $result = mysql_query($sql,$con);
  $user = mysql_fetch_array($result);
?>
    <table width="444" border="1" align="center">
       <tr>
        <td>用户ID </td>
        <td> <?php echo $userId ?> </td>
       </tr>
       <tr>
        <td>用户名 </td>
        <td> <?php echo $user[&#39;username&#39;] ?> </td>
       </tr>
       <tr>
        <td>密码</td>
        <td> <?php echo $user[&#39;password&#39;] ?> </td>
       </tr>
       <tr>
        <td>性别</td> 
        <td> <?php if($user[sex]==&#39;1&#39;) echo "男"; else if($user[sex]==&#39;2&#39;) echo "女"; else "保密"; ?>
        </td>
       </tr>
       <tr>
        <td>年龄</td>
        <td> <?php echo $user[&#39;age&#39;] ?> </td>
       </tr>
       <tr>
        <td>出生年月</td>
        <td> 
        <!-- 1。取得年月日。2。相应的年月日。。。你懂的 -->
        <?php
        $birday_y=date("Y",$user[&#39;birthday&#39;]);echo $birday_y."年";
        $birday_m=date("m",$user[&#39;birthday&#39;]);echo $birday_m."月";
        $birday_d=date("d",$user[&#39;birthday&#39;]);echo $birday_d."日";
        ?>
        </td>
       </tr>
       <tr>
        <td>爱好</td>
        <td> <?php echo $user[&#39;hobby&#39;] ?> </td>
       </tr>
       <tr>
        <td>个人简介</td>
        <!--亦可框起 <td> <textarea name="profile" rows="10" cols="30" readonly><?php echo $user[&#39;profile&#39;] ?> </textarea> </td> -->
        <td> <?php echo $user[&#39;profile&#39;] ?> </td>
       </tr>
       <tr>
          <td colspan="2" align="center"><a href="userListt.php" >返回用户列表</a></td>
       </tr>
 </table>
      <p> </p>
      <p> </p>
      <p> </p>
</body>
</html>
Copy after login


<?php
// 包含数据库文件
require_once &#39;inc/dbConn.php&#39;;
// 获取删除的id
$id = $_GET[&#39;id&#39;];
$row = delete($id,$con);
if($row >=1){
  alert("删除成功");
}else{
  alert("删除失败");
}
// 跳转到用户列表页面
href("userListt.php");
function delete($id,$con){
  $sql = "delete from user where id=&#39;$id&#39;";
  // 执行删除
  mysql_query($sql,$con);
  // 获取影响的行数
  $rows = mysql_affected_rows();
  // 返回影响行数
  return $rows;
}
function alert($title){
  echo "<script type=&#39;text/javascript&#39;>alert(&#39;$title&#39;);</script>";
}
function href($url){
  echo "<script type=&#39;text/javascript&#39;>window.location.href=&#39;$url&#39;</script>";
}
?>
Copy after login

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>新增用户</title>
</head>
<body>
<form action="addDo.php" method="post">
      <input type="hidden" name="user_id" value=" "/>
      <table width="444" border="1" align="center">
       <tr>
        <td>用户名 </td>
        <td> <input type="text" name="user_name" size="10" /></td>
       </tr>
       <tr>
        <td>密码</td>
        <td> <input type="password" name="password" size="10" /></td>
       </tr>
       <tr>
        <td>性别</td>
        <td> <input type="radio" name="sex" value="男" checked="checked" /> 男<input type="radio" name="sex" value="女" /> 女 </td>
       </tr>
       <tr>
        <td>年龄</td>
        <td> <input type="text" name="age" size="3" /></td>
       </tr>
       <tr>
        <td>出生年月</td>
        <td> 
          <select name="birthday_y">
          <option value="1980">1980</option>
          <option value="1981">1981</option>
          <option value="1982">1982</option>
          <option value="1983">1983</option>
          <option value="1984">1984</option>
          <option value="1985">1985</option>
          <option value="1986">1986</option>
          <option value="1987">1987</option>
          <option value="1988">1988</option>
          <option value="1989">1989</option>
          <option value="1990">1990</option>
          </select>
          年
          <select name="birthday_m">
          <option value="1">1</option>
          <option value="2">2</option>
          <option value="3">3</option>
          <option value="4">4</option>
          <option value="5">5</option>
          <option value="6">6</option>
          <option value="7">7</option>
          <option value="8">8</option>
          <option value="9">9</option>
          <option value="10">10</option>
          <option value="11">11</option>
          <option value="12">12</option>
          </select>
          月
          <select name="birthday_d">
          <option value="1">1</option>
          <option value="2">2</option>
          <option value="3">3</option>
          <option value="4">4</option>
          <option value="5">5</option>
          <option value="6">6</option>
          <option value="7">7</option>
          <option value="8">8</option>
          <option value="9">9</option>
          <option value="10">10</option>
          <option value="11">11</option>
          <option value="12">12</option>
          <option value="13">13</option>
          <option value="14">14</option>
          <option value="15">15</option>
          <option value="16">16</option>
          <option value="17">17</option>
          <option value="18">18</option>
          <option value="19">19</option>
          <option value="20">20</option>
          <option value="21">21</option>
          <option value="22">22</option>
          <option value="23">23</option>
          <option value="24">24</option>
          <option value="25">25</option>
          <option value="26">26</option>
          <option value="27">27</option>
          <option value="28">28</option>
          <option value="29">29</option>
          <option value="30">30</option>
          <option value="31">31</option>
          </select>
          日
        </td>
       </tr>
       <tr>
        <td>爱好</td>
        <td> <input type="text" name="hobby" size="44" /></td>
       </tr>
       <tr>
        <td>个人简介</td>
        <td> <textarea name="profile" rows="10" cols="30"></textarea></td>
       </tr>
       <tr>
          <td colspan="2" align="center"><input type="submit" value="增加用户" /></td>
  </tr>
 </table>
      <p> </p>
      <p> </p>
      <p> </p>
</form>
</body>
</html>
Copy after login

<?php 
require_once &#39;inc/dbConn.php&#39;;
////////////////////
///获取用户信息
////////////////////
$user_id = $_POST[&#39;user_id&#39;];
$user_name = $_POST[&#39;user_name&#39;];
echo $user_name;
$password= $_POST[&#39;password&#39;];
if($_POST[&#39;sex&#39;]==&#39;男&#39;)
{
  $sex=1;
}
else if($_POST[&#39;sex&#39;]==&#39;女&#39;)
{
    $sex=2;
}
else $sex=3;    
;
$age = $_POST[&#39;age&#39;];
$birthday_y = $_POST[&#39;birthday_y&#39;];
$birthday_m = $_POST[&#39;birthday_m&#39;];
$birthday_d = $_POST[&#39;birthday_d&#39;];
$birthday=mktime(0,0,0,$birthday_m,$birthday_d,$birthday_y);
$hobby = $_POST[&#39;hobby&#39;];
$profile = $_POST[&#39;profile&#39;];
$addTime=mktime(date("h"),date("m"),date("s"),date("m"),date("d"),date("Y"));
$lastLoginTime=$addTime;
  $sql = "insert into user (username,password,sex,age,birthday,hobby,profile,add_time,last_login) ".
  "values(&#39;$user_name&#39;,&#39;$password&#39;,&#39;$sex&#39;,&#39;$age&#39;,&#39;$birthday&#39;,&#39;$hobby&#39;,&#39;$profile&#39;,&#39;$addTime&#39;,&#39;$lastLoginTime&#39;)";
  echo $sql;
  // 执行sql语句
  mysql_query($sql,$con);
  // 获取影响的行数
  $rows = mysql_affected_rows();
  // 返回影响行数
  // 如果影响行数>=1,则判断添加成功,否则失败
  if($rows >= 1){
    alert("添加成功");
    href("userListt.php");
  }else{
    alert("添加失败");
//   href("addUser.php");
    }
function alert($title){
  echo "<script type=&#39;text/javascript&#39;>alert(&#39;$title&#39;);</script>";
}
function href($url){
  echo "<script type=&#39;text/javascript&#39;>window.location.href=&#39;$url&#39;</script>";
}
?>
Copy after login

##

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