js 验证

     //自定义规则验证
        $.validator.addMethod("onlycode", function (value, element, params) {
            var re = new RegExp(params);
            if ($.trim(value).length < 0 || $.trim(value) == "")
                return true;
            if (re.test(value)) {
                return true;
            } else {
                return false;
            }
        }, "");
     
     //设置验证
        $("#myform").validate({
            rules: {


              【注： selectName,selectTel,selectEmail 是属性name】
                SelectName:  { required: true, minlength: 2, maxlength: 64 },
                SelectTel: { required: true, minlength: 2, maxlength: 20, onlycode: /^[0-9]*$/ },
                SelectEmail: { required: true, minlength: 2, maxlength: 20, email:true},


            },
            messages: {
                SelectName: { required: "不能为空", maxlength: jQuery.format("不能超过{0}个字符") },
                SelectEmail: { required: "不能为空", maxlength: jQuery.format("不能超过{0}个字符"),email:jQuery.format("必须输入正确的电邮")}
            },
           
            submitHandler: function (form) {
                form.submit();
            }
        });

　　

//提交验证 
if ($("#myform").validate().form()) {
        alert("验证成功");
        return;
    }
    else {
        alert("验证失败");
        return;
    }