Home > Backend Development > PHP Tutorial > 这段代码一直有异常。麻烦高手帮小弟我看上。已经研究了一上午了。多谢

这段代码一直有异常。麻烦高手帮小弟我看上。已经研究了一上午了。多谢

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Release: 2016-06-13 10:53:43
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这段代码一直有错误。麻烦高手帮我看下。已经研究了一下午了。谢谢


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/*

 * To change the template for this generated file go to

 * Window - Preferences - PHPeclipse - PHP - Code Templates

 */

require("conn.php");

 $user=$_POST['user'];

 $title=$_POST['title'];

$content=$_POST['content'];

$sql_luck="insert into sny (id,user,title,content,lastDate)value('','$user','$title','$content',now())";

 $sql="SELECT user FROM sny WHERE user='$user'";

 $query =mysql_query($sql);

 $rows=mysql_fetch_array($query);

if((!empty($_POST['sub']))and($rows['user']==$user)){

//echo $content;

  echo "<script>alert('用户已存在,请重新输入');location.href='add2.php'</script>" ;exit; 

  

  mysql_free_result($query);exit;

 }

 else{

  mysql_query($sql_luck);

  echo"<script>alert('哟!成功!');location.href='index.php'</script>";

  echo "插入成功";

 }

   







?>



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------解决方案--------------------
php 里面能用and吗还是用&&符号吧。?
------解决方案--------------------
你if判断仔细看看里边缕缕。好么?
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