我对html/php/js还很陌生，在有条件提交表单时遇到了问题。基本上，我想做的是，只有在每个字段都输入了值（checkform（）函数）的情况下，confirm（'你想提交这个表单吗？'）函数才会出现。如果两者都是真的，那么表格就会提交。如有任何帮助，我们将不胜感激，谢谢！
<script type="text/javascript">
function checkform()
{
var myForm=document.frmhot;
if(myForm.status.value==""){
alert("Please select a timeframe status.");
return false;
myForm.status.focus();
}
if (myForm.line.value==""){
alert("Please select a line.");
return false;
}
if(myForm.reason.value==""){
alert("Please select a reason code.");
return false;
}
if(myForm.partnum.value==""){
alert("Please enter a part number.");
return false;
}
if(myForm.badgescan.value==""){
alert("Please enter a badge number.");
return false;
}
return true;
}
</script><form method="post" action="newhotpartgenerate.php" name="frmhot"
onclick="if(checkform();){
confirm('Do you want to submit the form?');
}
>
<input class="button_text" type="submit" value="Submit" name="submit" onclick= "checkform();" />
</form>完成工作解决方案，并在一定程度上对IE兼容性进行更正和调整。
<script>
function checkform(evt) {
var myForm = document.frmhot;
var condition = true;
if(myForm.status.value==""){
alert("Please select a timeframe status.");
myForm.status.focus();
condition = false;
}
if (myForm.line.value==""){
alert("Please select a line.");
condition = false;
}
if(myForm.reason.value==""){
alert("Please select a reason code.");
condition = false;
}
if(myForm.partnum.value==""){
alert("Please enter a part number.");
condition = false;
}
if(myForm.badgescan.value==""){
alert("Please enter a badge number.");
condition = false;
}
if(condition){ condition = confirm('Do you want to submit the form?'); }
if(!condition) {
if(evt.preventDefault) { event.preventDefault(); }
else if(evt.returnValue) { evt.returnValue = false; }
else { return false; }
}
}
</script>
<form method="post" action="newhotpartgenerate.php" name="frmhot" onsubmit="checkform(event)">
<input type="text" name="status"/>
<input type="text" name="line"/>
<input type="text" name="reason"/>
<input type="text" name="partnum"/>
<input type="text" name="badgescan"/>
<input class="button_text" type="submit" value="Submit"/>
</form>
您有正确的想法，只需将代码提取到自己的函数中，然后在onclick中调用它。
添加此功能：
function checkAndConfirm() {
if(checkform()) {
if (confirm('Do you want to submit the form?')) {
// submit the form
}
}
然后从onclick属性调用它：
<form method="post" action="newhotpartgenerate.php" name="frmhot" onclick="checkAndConfirm()">