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php学习（一）

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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>

                      <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>

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