Question

我是使用剔除js验证插件的新手。我的观测值在另一个函数上。但似乎User.errors = ko.validation.group（User）和User.errors = ko.validatedObsevable（User）无法读取错误/无法验证我的可观察对象。

我尝试了一些小提琴代码：http://jsfiddle.net/KHFn8/3238/

在该示例中，条件和可观察变量在同一函数上。

这是我的js代码：

            var User = function () {
                    this.UserId = ko.observable();
                    this.Fullname = ko.observable().extend({ required: true });
                    this.Username = ko.observable().extend({ required: true });
                    this.StartedDate = ko.observable().extend({ required: true });
                    this.Email = ko.observable().extend({ required: true });
                    this.Facebook = ko.observable().extend({ required: true });
                    this.Address = ko.observable().extend({ required: true });
                    this.MobileNumber = ko.observable().extend({ required: true });
                    this.Birthdate = ko.observable().extend({ required: true });
                    this.PositionId = ko.observable().extend({ required: true });
            }

            UserModel function {

                    self.Save = function () { 

                    if (User.errors().length == 0) {
                        alert(User.errors().length);
                    } else {
                        alert('Please check your submission.');
                        User.errors.showAllMessages();
                    }
            }

            User.errors = ko.validation.group(User);

            ko.applyBindings(new userModel());

我只想验证必填字段并在“提交/保存”按钮上显示错误消息

Answer 1

好吧，尝试了3天后。我想出了什么答案。

我重新放置User.errors = ko.validation.group（User）;发挥作用

var User = function(){
    ...
    this.errors = ko.validation.group(this); //change 'user' to 'this'
}

UserModel function {
    self.Save = function () { 
            if (this.errors().length == 0) {
                alert(this.errors().length);
            } else {
                alert('Please check your submission.');
            }
    }
}
ko.applyBindings(new userModel());

KnockOut.js验证始终为true / errors.length = 0

1 个答案: