1.直接绑定id进行判断
<form action="" method="get">
<div class="lfs_list">
<span>Appid:</span>
<input type="text" name="Appid" class="lfs_list_input" placeholder="*必填">
</div>
<div class="lfs_list">
<span>AppSecret:</span>
<input type="text" name="AppSecret" class="lfs_list_input" placeholder="*必填">
</div>
<div class="lfs_list">
<span>pid:</span>
<input type="text" name="pid" class="lfs_list_input" placeholder="*必填">
</div>
<input type="submit" name="" class="lfs_list_submit" value="成为淘宝客" id="submitform">
</form>
js:
$('#submitform').on('click',function(){
var appid=$('input[name="Appid"]').val();
var AppSecret=$('input[name="AppSecret"]').val();
var pid=$('input[name="pid"]').val();
if (appid==''||appid==null){
alert('appid不能为空');
return false;
}
if (AppSecret==''||AppSecret==null){
alert('AppSecret不能为空');
return false;
}
if (pid==''||pid==null){
alert('pid不能为空');
return false;
}
return true;
})
2. onsubmit事件无法触发,使用绑定按钮点击事件代替
<form action="" method="get" onsubmit="return check();">
<div class="lfs_list">
<span>Appid:</span>
<input type="text" name="Appid" class="lfs_list_input" placeholder="*必填">
</div>
<div class="lfs_list">
<span>AppSecret:</span>
<input type="text" name="AppSecret" class="lfs_list_input" placeholder="*必填">
</div>
<div class="lfs_list">
<span>pid:</span>
<input type="text" name="pid" class="lfs_list_input" placeholder="*必填">
</div>
<input type="submit" name="" class="lfs_list_submit" value="成为淘宝客" id="submitform">
</form>
js:
//onsubmit事件无法触发,使用绑定按钮点击事件代替
function check() {
var appid=$('input[name="Appid"]').val();
var AppSecret=$('input[name="AppSecret"]').val();
var pid=$('input[name="pid"]').val();
if (appid==''||appid==null){
alert('appid不能为空');
return false;
}
if (AppSecret==''||AppSecret==null){
alert('AppSecret不能为空');
return false;
}
if (pid==''||pid==null){
alert('pid不能为空');
return false;
}
return true;
}
扫描二维码关注公众号,回复:
3540148 查看本文章