这段程序总是无法在生成的界面中提交数据，总是提示带星号的信息未填完整，但我确实已经填完整了
本帖最后由 jackbill43 于 2013-08-15 15:09:41 编辑 新手求教
<!DOCTYPE HTML>
<html>
<HEAD>
<meta charset="utf-8">
<TITLE>教室添加/修改</TITLE>
</HEAD>
<body>
<?php
include_once("base-class.php");
//新建sae数据库类
$mysql = new SaeMysql();
//获取需要修改的教室ID号传入
$class_id=intval($_GET["class_id"]);
//获取操作标识传入
$action=$_POST["action"];
$action= string::un_script_code($action);
$action= string::un_html($action);
//判断是否修改，如果传入了教室ID，进行数据库查询获取全部内容
if($class_id)
{
$class_value=$mysql->getLine("select * from class where class_id=$class_id");
if(!$class_value)
{
echo "<script>alert('无此教室');history.back();</Script>";
exit;
}
}
//如果获取到操作标识，进行录入或者修改操作
if($action=="update")
{
//获取表单传入数据
$old_class_id=$_POST["class_id"];
$class_name=$_POST["class_name"];
$class_number=$_POST["class_number"];
$class_fid=$_POST["class_fid"];
$class_status=$_POST["class_status"];
//传入数据过滤
$old_class_id=intval($old_class_id);
$class_name= string::un_script_code($class_name);
$class_number= string::un_script_code($class_number);
$class_fid=intval($class_fid);
$class_status= intval($class_status);
//检测必填项目
if(!$class_name || !$class_number|| !$roster_status)
{
echo "<script>alert('表单未填完整，带星号为必填项！');history.back();</Script>";
exit;
}
//默认参数
$nowtime=date("Y/m/d H:i:s",time());
//如果是修改
if($old_class_id)
{
$sql = "update class set
class_name='$class_name',
class_number='$class_number',
class_fid='$class_fid',
class_status='$class_status',
edittime='$nowtime'
where class_id=$old_class_id";
$mysql->runSql( $sql );
}
else
{
//新增
$sql = "insert into class
(class_name,class_number,class_fid,class_status,addtime,edittime,status)
values
('$class_name','$class_number','$class_status','$class_fid','$nowtime','$nowtime',1)";
$mysql->runSql( $sql );
}
if( $mysql->errno() != 0 )
{
echo "<script>alert('".$mysql->errmsg() ."');history.back();</Script>";
exit;
}
else
{
echo "<script>alert('操作成功！');location='roster_add.php?class_id=$old_class_id';</Script>";
exit;
}
}
//获取所有教学楼
$building_list=$mysql->getData("select building_name,building_id from building where status=1 order by building_fid asc");
?>
<!--页面名称-->
<h3>教室添加/修改<a href="roster_manager.php">返回>></a></h3>
<p>带星号为必填项</p>
<!--表单开始-->
<form action="?" method="post" name="class_add" id="class_add" enctype="multipart/form-data">
<p>
<b>*</b>教室名：<input type="text" value="<?php echo $class_value["class_name"];?>" name="class_name">
</p>
<p>
<b>*</b>教室人数：<input type="text" value="<?php echo $class_value["class_number"];?>" name="class_number">
</p>
<p>
所在教学楼：
<select name="class_fid">
<option value="0">无上级</option>
<?php
//把所有教学楼列表出来
foreach($building_list as $value)
{
$building_select=($building_value["class_fid"]==$value["building_id"])?" selected":"";
echo "<option value="$value[building_id]" $building_select>$value[building_name]</option>";
}
?>
</select>
</p>
<p>
<b>*</b>教室状态：
<select name="class_status">
<option value="0">请选择教室状态</option>
<option <?php if($roster_value["class_status"]==0) echo "selected"?> value="0">空闲</option>
<option <?php if($roster_value["classr_status"]==1) echo "selected"?> value="1">有课</option>
</select>
</p>
<p>
<!--隐藏参数，用来放置操作标示和修改的ID-->
<input type="hidden" name="action" value="update">
<input type="hidden" name="class_id" value="<?=$class_value["class_id"]?>">
<!--表单提交-->
<input type="submit" value="提交" />
</p>
</form>
</body>
</html> php
[解决办法]
if(!$class_name
[解决办法]
!$class_number
[解决办法]
!$roster_status)
{
echo "<script>alert('表单未填完整，带星号为必填项！');history.back();</Script>";
exit;
}
<select name="class_status">
<option value="0">请选择教室状态</option>
<option <?php if($roster_value["class_status"]==0) echo "selected"?> value="0">空闲</option>
<option <?php if($roster_value["classr_status"]==1) echo "selected"?> value="1">有课</option>
</select>
