标题为空虽然有提示但还是会写入数据库
<?php
	
	require_once('../connect.php');
	if(!(isset($_POST['title'])&&(!empty($_POST['title'])))){
		echo "<script>alert('标题不能为空');window.location.href='article.add.php'</script>";
	}
	//print_r($_POST);
	$title = $_POST['title'];
	$author = $_POST['author'];
	$description = $_POST['description'];
	$content = $_POST['content'];
	
	$dateline = time();
	$insertsql = "insert into article(title,author,description,content,dateline)values('$title','$author','$description','$content',$dateline)";
	//echo $insertsql;
	if(mysql_query($insertsql)){
		echo "<script>alert('发布文章成功');window.location.href='article.add.php'</script>";
	}else{
		echo "<script>alert('发布失败');window.location.href='article.add.php'</script>";
	
	}代码如上

 
                            