---------------------------------------完整JS验证---------------------------------------------------
 <script type="text/javascript">
function myCheck(form){
if(form.user.value==''){
alert('请输入姓名！');
form.user.focus();
return false;
}

if(form.电话.value.length<11){
alert('手机为11位，请重新输入！');
form.电话.focus();
return false;
}

return true;
}
</script>


------------------------------------------------------------------------------------------

<FORM name=form  onsubmit="return myCheck(this)" action=/plus/diy.php method=post>
<input type="hidden" name="action" value="post" />
<input type="hidden" name="diyid" value="1" />
<input type="hidden" name="do" value="2" />


						<p><input  type="text" id="user" name="username"  placeholder="姓名" autocomplete="off"></p>
						<p><input type="text" placeholder="电话" id="电话" name="contact_way" autocomplete="off" ></p>
                        
<input type="hidden" name="dede_fields" value="username,text;contact_way,text;referee,text;bod,multitext" />
<input type="hidden" name="dede_fieldshash" value="273ca2f70d1b86ec09b522a74b2bb798" />
    <input type="submit" value="submitBtn" onclick="submitForm();"/>
   
  </form>