日期:2014-05-17  浏览次数:20389 次

php做网页登陆页面,传递数据,变量无效,求解
php总共设置了三个变量,判定时发现只有$select有效,其他两个无效,这是怎么回事呀?
求能手回答,赶任务,急
帮个忙,改改,不胜感激

登陆界面代码

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
.STYLE5 {font-size: 36px}
body {
background-image: url();
}
.STYLE6 {font-size: 18px}
-->
</style>
</head>

<body>
<table width="900" height="541" border="1" align="center">
  <tr>
    <td height="535" valign="top" bgcolor="#FFFFFF"><table width="900" height="106" border="1">
      <tr>
        <td width="210" height="100" valign="middle"><span class="STYLE5"><img src="20002.gif" width="209" height="107" /></span></td>
        <td width="674" valign="middle"><span class="STYLE5">西南民族大学</span></td>
      </tr>
    </table>
      <table width="900" border="1">
        <tr>
          <td align="center"><span class="STYLE5">实验教学管理系统</span></td>
        </tr>
      </table>
      <table width="900" height="231" border="1">
        <tr>
          <td width="442" rowspan="4">&nbsp;</td>
          <td width="442"><span class="STYLE6">用户登录</span></td>
        </tr>
        <tr>
          <td><form id="form1" name="form1" method="post" action="XXX.php">
            用户
            <label>
              <input type="text" name="textfield" />
              </label>
          </form>
          </td>
        </tr>
        <tr>
          <td height="58"><form id="form2" name="form2" method="post" action="XXX.php">
            密码
            <label>
              <input type="password" name="textfield2" />