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html嵌套php展示用户名

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Release： 2016-06-13 12:22:24
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html嵌套php显示用户名
$result=mysql_query("select * from user where username='$username'");
if($result)
{
$row=mysql_fetch_row($result);
    if($row[1]==$password)
{
session_start();
$_SESSION["username"]=$username;
                }
登录的时候把用户名写到session里。在另一个html文件中显示的时候
      session_start();
      echo "

用户名

".$_SESSION['username'];
?>
为什么不可以？还有为什么会输出？>这个东西？？？？
------解决思路----------------------
php 代码只在 php 文件中被执行
------解决思路----------------------
输出的是什么
Related labels：
nbsp php session
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