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<?php
$content = trim($_POST['content']);
if ($content == ''){
$content = 'admin';
}
$_SESSION['content'] = $content;
?>
<html>
<head>
<title>演示</title>
</head>
<body>
<form name="form1" method="post">
<input type="input" name="content" value="<?php (isset($_SESSION['content']) && $_SESSION['content']) ? $_SESSION['content']:''; ?>"/>
<input type="submit" name="sub" value="提交"/>
</form>
</body>
</html>
文本框为空的时候点击按钮 ,文本框也没有显示admin啊[/quote]
晕啊,大哥,好歹你自己也测试测试嘛,我给你个思路你要去修改一下的,你的那个表单你没发现没有href吗?那提交到哪里去处理呢对不对?下面这段代码无误,我已经测试了,记得表单的href地址改成你自己的。
<?php
if (isset($_POST['content'])){
$content = trim($_POST['content']);
if ($content == ''){
$content = 'admin';
}
$_SESSION['content'] = $content;
}
?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>测试</title>
</head>
<body>
<form name="form1" href="http://localhost/lzglxt/test1.php" method="post">
<input type="input" name="content" value="<?php echo (isset($_SESSION['content'])) ? $_SESSION['content']:''; ?>"/>
<input type="submit" name="sub" value="提交"/>
</body>
</html>[/quote]
真的可以了,现在还有个问题<?php
require_once ('config.php');
//判断用户权限
?>
<?php
if($_SESSION['ot_user'])
{?>
<?php
error_reporting(E_ALL || ~E_NOTICE);
$str=$_GET["id"];
$result=mysql_query("select * from ot_user where UE_ID=$str");
while($rs=mysql_fetch_array($result)){
?>
<?php }
}
?>
<?php
error_reporting(E_ALL || ~E_NOTICE);
$str=$_GET["id"];
$content = trim($_POST['content']);
$content = $rs['UE_accName']; // 这句代码不对
if ($content == ''){
$content = 'admin';
}
//else{
// echo "123";
//}
$_SESSION['content'] = $content;
?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>测试</title>
</head>
<body>
<form name="form1" href="http://localhost/lzglxt/21.php" method="post">
<input type="input" name="content" value="<?php echo (isset($_SESSION['content'])) ? $_SESSION['content']:''; ?>"/>
<input type="submit" name="sub" value="提交"/>
</body>
</html>
<?php
if($_POST['sub']){
//获取文本框的内容
$content=trim($_POST['content']);
if($content==""){
$content = 'admin'
}
}
?>
<html>
<head>
<title>演示</title>
</head>
<body>
<form name="form1" method="post">
<input type="input" name="content" />
<input type="submit" name="sub" value="提交"/>
</form>
</body>
</html>
[/quote]
哈哈,手误,忘了个分号。<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 12/25/15
* Time: 9:05 AM
*/
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$aval = ($_POST['content']);
if ($aval == "")
$aval = "admin";
echo $aval;
}
?>
<html ">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<h1>HELLO</h1>
<form name="" method="post">
<input type="text" name="content"/>
<input type="submit" value="submit" name="idbtn"/>
</form>
</body>
</html>
<?php
$content = trim($_POST['content']);
if ($content == ''){
$content = 'admin';
}
$_SESSION['content'] = $content;
?>
<html>
<head>
<title>演示</title>
</head>
<body>
<form name="form1" method="post">
<input type="input" name="content" value="<?php (isset($_SESSION['content']) && $_SESSION['content']) ? $_SESSION['content']:''; ?>"/>
<input type="submit" name="sub" value="提交"/>
</form>
</body>
</html>
文本框为空的时候点击按钮 ,文本框也没有显示admin啊[/quote]
晕啊,大哥,好歹你自己也测试测试嘛,我给你个思路你要去修改一下的,你的那个表单你没发现没有href吗?那提交到哪里去处理呢对不对?下面这段代码无误,我已经测试了,记得表单的href地址改成你自己的。
<?php
if (isset($_POST['content'])){
$content = trim($_POST['content']);
if ($content == ''){
$content = 'admin';
}
$_SESSION['content'] = $content;
}
?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>测试</title>
</head>
<body>
<form name="form1" href="http://localhost/lzglxt/test1.php" method="post">
<input type="input" name="content" value="<?php echo (isset($_SESSION['content'])) ? $_SESSION['content']:''; ?>"/>
<input type="submit" name="sub" value="提交"/>
</body>
</html><?php
$content = trim($_POST['content']);
if ($content == ''){
$content = 'admin';
}
$_SESSION['content'] = $content;
?>
<html>
<head>
<title>演示</title>
</head>
<body>
<form name="form1" method="post">
<input type="input" name="content" value="<?php (isset($_SESSION['content']) && $_SESSION['content']) ? $_SESSION['content']:''; ?>"/>
<input type="submit" name="sub" value="提交"/>
</form>
</body>
</html>
文本框为空的时候点击按钮 ,文本框也没有显示admin啊
<?php
if($_POST['sub']){
//获取文本框的内容
$content=trim($_POST['content']);
if($content==""){
$content = 'admin'
}
}
?>
<html>
<head>
<title>演示</title>
</head>
<body>
<form name="form1" method="post">
<input type="input" name="content" />
<input type="submit" name="sub" value="提交"/>
</form>
</body>
</html>
[/quote]
哈哈,手误,忘了个分号。[/quote]
不行了,加了;分好不提示错误了,但是按了之后没有反应,文本框也没有 admin
<?php
if($_POST['sub']){
//获取文本框的内容
$content=trim($_POST['content']);
if($content==""){
$content = 'admin'
}
}
?>
<html>
<head>
<title>演示</title>
</head>
<body>
<form name="form1" method="post">
<input type="input" name="content" />
<input type="submit" name="sub" value="提交"/>
</form>
</body>
</html>
<?php
if($_POST['sub']){
//获取文本框的内容
$content=trim($_POST['content']);
if($content==""){
$content = 'admin'
}
}