if($ok)
{
if (itrim($name)=="")
$js = "<script language='javascript'>";
$js .= "alert('错误信息');";
$js .= "</script>";
echo $js;
}
{
if (itrim($name)=="")
$js = "<script language='javascript'>";
$js .= "alert('错误信息');";
$js .= "</script>";
echo $js;
}
{
if (itrim($name)=="")
{
$js = "<script language='javascript'>";
$js .= "alert('错误信息');";
$js .= "</script>";
echo $js;
}
}
直接在点击按钮时,用js的function判断,
function check(){
a = document.form1.text1.value;
if(a.length<1){
alert('输入值不可为空');
document.form1.text1.focus();
return false;
}
}
</script>
<form name='form1' ... onsubmit="return check()">
<input type='text' name='text1'>
...
</form>
------------------
非常赞成.
我这里有写成的检验函数
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可以和我联系