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   源码介绍

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@{
    ViewBag.Title = "Create";
    Layout = "~/views/shared/_layout.cshtml";
}

<style type="text/css">
    body {
        word-wrap: break-word;
        font-family: "微软雅黑","宋体";
    }

    .editor-label {
        color: #666666;
        float: left;
        font-size: 14px;
        font-weight: bold;
        height: 31px;
        line-height: 28px;
        text-align: right;
        width: 100px;
    }

    .editor-field {
        float: left;
        width: 700px;
    }

        .editor-field input, .editor-field select {
            border: 1px solid #ccc;
            color: #666;
            padding: 5px;
            margin: 5px;
        }
</style>
@Html.Partial("_BoxPartial")
<h2>knockoutJS验证</h2>

<fieldset style="width: 800px;">
    <legend>添加商品</legend>
    <div class="editor-label">
        账号：
    </div>
    <div class="editor-field">
        <input data-bind='value: name' />
        <span class="validationWarn">请输入用户名账号，它由字母汉字数字组成</span>
        <span class="validationSuccess" data-bind="visible:name.isValid()"></span>
    </div>
    <div class="editor-label">
        Email：
    </div>
    <div class="editor-field">
        <input data-bind='value: Email' />
        <span class="validationSuccess" data-bind="visible:Email.isValid()"></span>
    </div>
    <div class="editor-label">
        手机：
    </div>
    <div class="editor-field">
        <input data-bind='value: phone' />
        <span class="validationSuccess" data-bind="visible:phone.isValid()"></span>
    </div>
    <div class="editor-label">
        年龄：
    </div>
    <div class="editor-field">
        <input data-bind='value: age' />
        <span class="validationWarn">真实的年龄一般在0－100岁之间</span>
        <span class="validationSuccess" data-bind="visible:age.isValid()"></span>
    </div>

    <div class="editor-label">
        地址：
    </div>
    <div class="editor-field">
        <input data-bind='value: address' />
        <span class="validationWarn">请输入真实的地址</span>
        <span class="validationSuccess" data-bind="visible:address.isValid()"></span>
    </div>
    <div class="editor-label">
        姓名：
    </div>
    <div class="editor-field">
        <input data-bind='value: realName' />
        <span class="validationWarn">姓名由英文字母组成</span>
        <span class="validationSuccess" data-bind="visible:realName.isValid()"></span>
    </div>
    <div class="editor-label">
        身价：
    </div>
    <div class="editor-field">
        <input data-bind='value: peoplePrice' />
        <span class="validationSuccess" data-bind="visible:peoplePrice.isValid()"></span>
    </div>
    <div class="editor-label">
        下拉选项：
    </div>
    <div class="editor-field">
        <select data-bind="options: availableCountries,
                           optionsText: 'countryName',
                           optionsValue: 'countryPopulation',
                           value:choseSelect,
                           optionsCaption: 'please choose'">
        </select>
    </div>
    <div class="editor-label">
        复选框：
    </div>
    <div class="editor-field">

        <!-- ko foreach: like -->
        <input type="checkbox" data-bind="value: itemValue, checked: $root.chosenlikes" />
        <span data-bind="text: itemName"></span>
        <!-- /ko -->

    </div>

    <div style="clear: both;"></div>
    <p>
        <input type="button" value="Create" data-bind="click:Register" />
    </p>
</fieldset>

<style type="text/css">
    .validationMessage {
        background: url("/scripts/Images/l_registWarningIcon01.png") no-repeat scroll 0 12px rgba(0, 0, 0, 0);
        clear: both;
        color: #FF000A;
        height: 26px;
        line-height: 26px;
        padding-left: 20px;
        padding-top: 8px;
        display: inline;
    }

    .validationSuccess {
        background: url("/scripts/Images/l_registWarningIcon02.png") no-repeat scroll 0 12px rgba(0, 0, 0, 0);
        clear: both;
        color: #FF000A;
        height: 26px;
        line-height: 26px;
        padding-left: 20px;
        padding-top: 8px;
        display: inline;
    }

    .validationWarn {
        background: url("/scripts/Images/l_registWarningIcon03.png") no-repeat scroll 0 10px rgba(0, 0, 0, 0);
        clear: both;
        color: #ccc;
        height: 26px;
        line-height: 26px;
        padding-left: 20px;
        padding-top: 4px;
        display: inline;
        float: right;
    }
</style>
<script type="text/ecmascript">
    var Product = function () {
        var self = this;

        self.peoplePrice = ko.observable().extend({
            required: true,
            pattern: { params: /^\d [\.]?\d{0,2}$/g, message: "必须是数字，并且最多两位小数！" }
        });

        self.peoplePrice.subscribe(function (newValue) {
            //  alert(self.peoplePrice.isValid());
        });

        self.name = ko.observable().extend({
            minLength: 2,
            maxLength: { params: 30, message: "名称最大长度为30个字符" },
            required: {
                params: true,
                message: "请输入名称",
            },

        });

        self.phone = ko.observable().extend({
            required: true,
            number: {
                params: true,
                message: "电话不合法",
            }
        });

        self.age = ko.observable().extend({
            required: true,
            number: {
                params: true,
                message: "必须是数字",
            },
            min: { params: 1, message: "年龄最小是１" },
            max: 200
        });

        self.Email = ko.observable().extend({
            required: {
                params: true,
                message: "请填写Email"
            },
            email: {
                params: true,
                message: "Email格式不正确"
            }
        });

        self.realName = ko.observable().extend({
            required: {
                params: true,
                message: "请填写realName"
            }
        });

        self.address = ko.observable().extend({
            required: {
                params: true,
                message: "请填写address"
            }
        });

        self.availableCountries = ko.observableArray([
            { countryName: "UK", countryPopulation: 1 },
            { countryName: "US", countryPopulation: 2 },
            { countryName: "CHS", countryPopulation: 3 }
        ]);
        self.choseSelect = ko.observable("1");//选中的项，它会监视前台进行onchange的变化


        self.like = ko.observableArray([
             { itemName: 'Music', itemValue: '1' },
             { itemName: 'IT', itemValue: '2' },
             { itemName: 'Sport', itemValue: '3' }
        ]),
        self.chosenlikes = ko.observableArray(["1", "3"])

        self.Register = function () {
            self.errors = ko.validation.group(self);
            if (self.isValid()) {
                var arr = "";
                for (var i in self.chosenlikes())
                    arr  = i   ",";
                var json = {
                    name: self.name(),
                    address: self.address(),
                    realName: self.realName(),
                    like: arr,
                    availableCountries: self.choseSelect(),
                    Email: self.Email(),
                    phone: self.phone(),
                    age: self.age(),
                };
                 
                $.ajax({
                    type: "POST",
                    url: "/home/CreateAjaxPost",
                    data: json,
                    success: function (data) {
                        alert(JSON.stringify(data.obj));
                    }
                });
            } else {

                self.errors.showAllMessages();
            }
        };
    }

    var prduct = new Product();
    ko.applyBindings(prduct);
</script>