<script>
function checkit(form)
{
var j=0;
var title1=document.form1.title.value;
var author1=document.form1.author.value;
var keyword1=document.form1.keyword.value;
var preview1=document.form1.preview.value;
for(i=0;i<form1.sort1.length;i++)
if(form1.sort1[i].checked)
{
j++;
}
if(j==0) {alert("请选择类别");return(false);}
else if(title1=="")alert("标题不能为空");
else if(author1=="")alert("来源不能为空");
else if(preview1=="")alert("源代码框不能为空,请点编辑源代码");
else
{
form.target="_self";
form.action="article_add.php?add=1";
form.submit();
}}
</script>
function checkit(form)
{
var j=0;
var title1=document.form1.title.value;
var author1=document.form1.author.value;
var keyword1=document.form1.keyword.value;
var preview1=document.form1.preview.value;
for(i=0;i<form1.sort1.length;i++)
if(form1.sort1[i].checked)
{
j++;
}
if(j==0) {alert("请选择类别");return(false);}
else if(title1=="")alert("标题不能为空");
else if(author1=="")alert("来源不能为空");
else if(preview1=="")alert("源代码框不能为空,请点编辑源代码");
else
{
form.target="_self";
form.action="article_add.php?add=1";
form.submit();
}}
</script>
<head>
<title>New Page 1</title>
<script>
function aa()
{
if(document.all.T1.value=="")
{
alert("不能为空");
return;
}
else document.all.Frm1.submit();
}
</script>
</head>
<body>
<form method="POST" action="" name="Frm1">
<p><input type="text" name="T1" size="20"><input type="text" name="T2" size="20"><input type="button" value="提交" name="B1" onclick="aa();"><input type="reset" value="全部重写" name="B2"></p>
</form></body></html>
注意不要把B1的类型设为“submit”,而应为"button"
function checkit()
{
var j=0;
var title1=document.form1.title.value;
var author1=document.form1.author.value;
var keyword1=document.form1.keyword.value;
var preview1=document.form1.preview.value;
for(i=0;i<form1.sort1.length;i++)
if(form1.sort1[i].checked)
{
j++;
}
if(j==0) {alert("请选择类别");return;}
else if(title1==""){alert("标题不能为空");return;}
else if(author1==""){alert("来源不能为空");return;}
else if(preview1=="")alert("源代码框不能为空,请点编辑源代码");
else
{
document.form1.submit();
}<input type="submit" name="Submit" value="提交表单" onClick="checkit()">
<input type="submit" name="Submit" value="提交表单" onClick="checkit()">
改为:
<input type="button" name="button1" value="提交表单" onClick="checkit()">
<head>
<title>New Page 1</title>
<script>
function aa()
{
if(document.all.T1.value=="")
{
alert("不能为空");
history.back(); <--------------------我觉得这样也行,你试试看!
}
else document.all.Frm1.submit();
}
</script>
</head>
<body>
<form method="POST" action="" name="Frm1">
<p><input type="text" name="T1" size="20"><input type="text" name="T2" size="20"><input type="button" value="提交" name="B1" onclick="aa();"><input type="reset" value="全部重写" name="B2"></p>
</form></body></html>