php学习（一）
Jun 23, 2016 pm 02:34 PM
<?php //写cookiesetcookie("user", "wang70937", time()+60);//sessionsession_start();if(isset($_SESSION['views'])) $_SESSION['views']=$_SESSION['views']+1;else $_SESSION['views']=1;echo "Session: Views=". $_SESSION['views']."<br />";?><script > function Show(){ alert("asdf"); }</script><html> <title>php测试页面 </title> <head><script src="clienthint.js"></script></head> <body> <?php //输出 echo "<br />"."[******输出******]"."<br />"; echo "Hello World!"."<br />"; $a = "Php"; $b = "Language"; echo $a." ".$b."<br />"; //数组 echo "<br />"."[******数组******]"."<br />"; $arr = array("abcde", "fghijk", "lmnopq"); foreach($arr as $value) { echo $value."<br />"; } //函数 echo "<br />"."[******函数******]"."<br />"; function FunA($A, $B){ echo "函数参数：".$A.", ".$B; return "ret_value"; } $ret = FunA(123, "param"); echo "函数返回值：".$ret."<br />"; echo "<br />"."[******表单******]"."<br />"; ?> <form action="form.php" method="post"> Name: <input type="text" name="name" /> Age: <input type="text" name="age" /> <input type="submit" /> </form> <?php echo "<br />"; echo "<br />"."[******上传文件******]"."<br />"; ?> <form action="upload_file.php" method="post" enctype="multipart/form-data"> <label for="file">Filename:</label> <input type="file" name="file" id="file" /> <br /> <input type="submit" name="submit" value="Submit" /> </form> <?php //session echo "<br />"."[******session******]"."<br />"; //retrieve session data echo "Pageviews=". $_SESSION['views']; ?> <br /> <!-- //删除session --> <?php //echo "<br />"."[******删除session******]"."<br />"; // session_destroy(); ?> <?php //发送邮件 echo "<br />"."[******发送邮件******]"."<br />"; $to = "wang70937@163.com"; $subject = "Test mail"; $message = "Hello! This is a simple email message."; $from = "wang70937@gmail.com"; $headers = "From: $from"; mail($to,$subject,$message,$headers); echo "Mail Sent."."<br />"; ?> <?php //mysql数据库 echo "<br />"."[******mysql数据库******]"."<br />"; $con = mysql_connect("localhost","root","1"); if (!$con) { die('Could not connect: ' . mysql_error()); } else echo "连接Mysql成功!"."<br />"; mysql_select_db("bbs", $con); mysql_query("set names GBK"); //show tables $TableCount = mysql_query("show tables"); while($Table = mysql_fetch_array($TableCount)) { //表名 $TableName = $Table[0]; $sql = "select * from ".$TableName; $result = mysql_query($sql); echo "<br />表：[".$TableName."]<br />"; //表的字段个数 $FiledCount = mysql_num_fields($result); //记录条数 $RecordCount = mysql_num_rows($result); echo "sql[".$sql."] 记录条数：".$RecordCount."<br />"; if($FiledCount > 0 ) { echo "<table border='1'>; <tr> <th>记录序号</th>"; for($index=0; $index<$FiledCount; $index++) { //字段名 $FiledName = mysql_fetch_field($result); echo "<th>$FiledName->name</th>"; } echo "</tr>"; $No = 0; while($row = mysql_fetch_array($result)) { $No = $No + 1; echo "<tr>"; echo "<td>" . $No . "</td>"; for($index=0; $index<$FiledCount; $index++) { echo "<td>" . $row[$index] . "</td>"; } echo "</tr>"; } echo "</table>"; } } mysql_close($con); ?> <?php //xml解析 echo "<br />"."********xml解析********"."<br />"; /*$xmlDoc = new DOMDocument(); $xmlDoc->load("note.xml"); $x = $xmlDoc->documentElement; foreach ($x->childNodes AS $item) { print $item->nodeName . " = " . $item->nodeValue . "<br />"; }*/ $xml = simplexml_load_file("note.xml"); echo $xml->getName() . "<br />"; foreach($xml->children() as $child) { echo $child->getName() . ": " . $child . "<br />"; } ?> <?php //ajax echo "<br />"."*******ajax*******"."<br />"; ?> <form> First Name: <input type="text" id="txt1" //onkeyup="showHint(this.value)" onkeyup="Show()"> </form> <p>Suggestions: <span id="txtHint"></span></p> </body> </html>Copy after login
<p class="sycode"> 1 <? php 2 // 写cookie 3 setcookie ( " user " , " wang70937 " , time () + 60 ); 4 // session 5 session_start (); 6 7 if ( isset ( $_SESSION [ ' views ' ])) 8 $_SESSION [ ' views ' ] = $_SESSION [ ' views ' ] + 1 ; 9 10 else 11 $_SESSION [ ' views ' ] = 1 ; 12 echo " Session: Views= " . $_SESSION [ ' views ' ] . " <br /> " ; 13 ?> 14 15 < script > 16 function Show(){ 17 alert( " asdf " ); 18 } 19 </ script > 20 21 < html > 22 < title > php测试页面 </ title > 23 < head >< script src = " clienthint.js " ></ script ></ head > 24 < body > 25 <? php 26 // 输出 27 echo " <br /> " . " [******输出******] " . " <br /> " ; 28 echo " Hello World! " . " <br /> " ; 29 $a = " Php " ; 30 $b = " Language " ; 31 echo $a . " " . $b . " <br /> " ; 32 33 // 数组 34 echo " <br /> " . " [******数组******] " . " <br /> " ; 35 $arr = array ( " abcde " , " fghijk " , " lmnopq " ); 36 foreach ( $arr as $value ) 37 { 38 echo $value . " <br /> " ; 39 } 40 41 // 函数 42 echo " <br /> " . " [******函数******] " . " <br /> " ; 43 function FunA( $A , $B ){ 44 echo " 函数参数： " . $A . " , " . $B ; 45 return " ret_value " ; 46 } 47 $ret = FunA( 123 , " param " ); 48 echo " 函数返回值： " . $ret . " <br /> " ; 49 50 51 echo " <br /> " . " [******表单******] " . " <br /> " ; 52 ?> 53 < form action = " form.php " method = " post " > 54 Name : < input type = " text " name = " name " /> 55 Age : < input type = " text " name = " age " /> 56 < input type = " submit " /> 57 </ form > 58 59 <? php echo " <br /> " ; 60 61 echo " <br /> " . " [******上传文件******] " . " <br /> " ; 62 ?> 63 < form action = " upload_file.php " method = " post " 64 enctype = " multipart/form-data " > 65 < label for = " file " > Filename :</ label > 66 < input type = " file " name = " file " id = " file " /> 67 < br /> 68 < input type = " submit " name = " submit " value = " Submit " /> 69 </ form > 70 71 <? php 72 // session 73 echo " <br /> " . " [******session******] " . " <br /> " ; 74 75 // retrieve session data 76 echo " Pageviews= " . $_SESSION [ ' views ' ]; 77 ?> 78 < br /> 79 80 <!-- // 删除session --> 81 <? php 82 // echo "<br />"."[******删除session******]"."<br />"; 83 // session_destroy(); 84 ?> 85 86 <? php 87 // 发送邮件 88 echo " <br /> " . " [******发送邮件******] " . " <br /> " ; 89 90 $to = " wang70937@163.com " ; 91 $subject = " Test mail " ; 92 $message = " Hello! This is a simple email message. " ; 93 $from = " wang70937@gmail.com " ; 94 $headers = " From: $from " ; 95 mail ( $to , $subject , $message , $headers ); 96 echo " Mail Sent. " . " <br /> " ; 97 ?> 98 99 <? php 100 // mysql数据库 101 echo " <br /> " . " [******mysql数据库******] " . " <br /> " ; 102 $con = mysql_connect ( " localhost " , " root " , " 1 " ); 103 if ( ! $con ) 104 { 105 die ( ' Could not connect: ' . mysql_error ()); 106 } 107 else 108 echo " 连接Mysql成功! " . " <br /> " ; 109 mysql_select_db ( " bbs " , $con ); 110 mysql_query ( " set names GBK " ); 111 // show tables 112 $TableCount = mysql_query ( " show tables " ); 113 while ( $Table = mysql_fetch_array ( $TableCount )) 114 { 115 // 表名 116 $TableName = $Table [ 0 ]; 117 $sql = " select * from " . $TableName ; 118 $result = mysql_query ( $sql ); 119 120 echo " <br />表：[ " . $TableName . " ]<br /> " ; 121 // 表的字段个数 122 $FiledCount = mysql_num_fields ( $result ); 123 // 记录条数 124 $RecordCount = mysql_num_rows ( $result ); 125 126 echo " sql[ " . $sql . " ] 记录条数： " . $RecordCount . " <br /> " ; 127 128 if ( $FiledCount > 0 ) 129 { 130 echo " <table border='1'>; 131 <tr> 132 <th>记录序号</th> " ; 133 for ( $index = 0 ; $index < $FiledCount ; $index ++ ) 134 { 135 // 字段名 136 $FiledName = mysql_fetch_field ( $result ); 137 echo " <th> $FiledName ->name</th> " ; 138 } 139 echo " </tr> " ; 140 $No = 0 ; 141 while ( $row = mysql_fetch_array ( $result )) 142 { 143 $No = $No + 1 ; 144 echo " <tr> " ; 145 echo " <td> " . $No . " </td> " ; 146 for ( $index = 0 ; $index < $FiledCount ; $index ++ ) 147 { 148 echo " <td> " . $row [ $index ] . " </td> " ; 149 } 150 echo " </tr> " ; 151 } 152 echo " </table> " ; 153 154 } 155 } 156 157 158 159 160 mysql_close ( $con ); 161 ?> 162 163 <? php 164 // xml解析 165 echo " <br /> " . " ********xml解析******** " . " <br /> " ; 166 167 /* $xmlDoc = new DOMDocument(); 168 $xmlDoc->load("note.xml"); 169 170 $x = $xmlDoc->documentElement; 171 foreach ($x->childNodes AS $item) 172 { 173 print $item->nodeName . " = " . $item->nodeValue . "<br />"; 174 } */ 175 $xml = simplexml_load_file ( " note.xml " ); 176 177 echo $xml -> getName() . " <br /> " ; 178 179 foreach ( $xml -> children() as $child ) 180 { 181 echo $child -> getName() . " : " . $child . " <br /> " ; 182 } 183 ?> 184 185 <? php 186 // ajax 187 echo " <br /> " . " *******ajax******* " . " <br /> " ; 188 ?> 189 < form > 190 First Name : 191 < input type = " text " id = " txt1 " 192 // onkeyup="showHint(this.value)" 193 onkeyup = " Show() " > 194 </ form > 195 196 < p > Suggestions : < span id = " txtHint " ></ span ></ p > 197 198 199 </ body > 200 201 </ html > </p>Copy after login
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