编写的PHP文件在WAMPSERVER测试,页面显示空白,请教
其他文件测试成功,但是这个文件就空白页面。高手帮忙看一下,谢谢啦
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>问卷调查</title>
<!--
<link rel="stylesheet" type="text/css" href="style.css" />
-->
<script>
<!--
function check() {
var flag1=0;
var flag2=0;
var radio1=document.getElementsByName("v1");
for(var i=0;i<radio1.length;i++)
{
if(radio1.item(i).checked==true)
{
flag1=1;
break;
}
}
var radio2=document.getElementsByName("v2");
for(var i=0;i<radio2.length;i++)
{
if(radio2.item(i).checked==true)
{
flag2=1;
break;
}
}
if(!flag1||!flag2){
alert("对不起,请回答完其他的问题?");
return false;
}
if (add.advice.value == ""){
alert("请输入你的建议")
add.advice.focus();
return false;
}
}
-->
</SCRIPT>
</head>
<body>
<?php
//在页面的开头连接数据库
require_once('config/db-function.php' );
$DB=get_db_class();
if( !$DB->conn_flag ){
exit( -1 );
}
?>
<div id="top_menu">
<ul class="menu">
<li>期待您的参与</li>
</ul>
</div>
<div id="main_content">
<div id="top_banner">
<a href="index.php"><img src="images/logo.jpg" width="230" height="130" alt="home" title="logo" border="0" class="logo" /></a>
<p id="theme">期待您的参与</p>
</div>
<div id="page_content_left">
<div class="title">
</div>
<div class="content_text">
</div>
<div class="content_text">
<form action="vote_re.php" method="post" name="add" enctype="multipart/form-data" onSubmit="return check();">
<div class="title" style=" margin-top:20px;">
下面您只可以选择一项
</div>
<?php
$sql="select s_subject,s_id from v_subject where s_single='single'";
$result=$DB->query($sql);
$i=1;
while($rs=$result->fetch_array()){
$s_id=$rs["s_id"];
echo "<h1>".$i."、".$rs['s_subject']."</h1>"; //注意此处的变量或者用花括号,或者用连接符号
$sqlitem="select i_id,i_sub,i_count,i_item from v_item where i_sub=".$s_id;
//echo $sqlitem;
//exit;
$resultitem=$DB->query($sqlitem);
while($rsitem=$resultitem->fetch_array(MYSQL_BOTH)){
echo "<input name='v".$i."' type='radio' value='".$rsitem[i_id]."'>".$rsitem[i_item];
}
$i++;
}
?>
<div class="title" style=" margin-top:20px;">
下面您可以选择多个选项
</div>
<h1>1、娱乐</h1>
<input name='c1[]' type='checkbox' value='7'>唱歌
<input name='c1[]' type='checkbox' value='8'>跳舞
<h1>2、爱好</h1>
<input name='c2[]' type='checkbox' value='9'>爬山
<input name='c2[]' type='checkbox' value='10'>游泳
<?php
/* $sql="select s_subject,s_id from v_subject where s_single='notsingle'";
$result=$DB->query($sql);
$j=1;
while($rs=$result->fetch_array()){
$s_id=$rs["s_id"];
echo "<h1>".$j."、".$rs['s_subject']."</h1>"; //注意此处的变量或者用花括号,或者用连接符号
$sqlitem="select i_id,i_sub,i_count,i_item from v_item where i_sub=".$s_id;
//echo $sqlitem;
//exit;
$resultitem=$DB->query($sqlitem);
while($rsitem=$resultitem->fetch_array(MYSQL_BOTH)){
echo "<input name='c".$j."[]' type='checkbox' value='".$rsitem[i_id]."'>".$rsitem[i_item];
}
$j++;
}
*/
?>
<h1>您的其他建议</h1>
<textarea cols="60" rows="6" name="advice"></textarea><br>
<input name="" type="submit" class="btn" value="提交">
<input name="重置" type="reset" class="btn" value="重新作答"><br>
</form>
</div>
<div class="content_text">
</div>
</div>
</div>
<div id="footer">
<div id="footer_content">
<div id="copyrights">
期待您的参与<?php echo get_magic_quotes_gpc() ;?>
</div>
</div>
</div>
</body>
</html>