Easyui 验证验证扩展，限制combobox 只能输入选项内容

$.extend($.fn.validatebox.defaults.rules, {
    CHS: {
        validator: function (value, param) {
            return /^[\u0391-\uFFE5]+$/.test(value);
        },
        message: '请输入汉字'
    },
    ZIP: {
        validator: function (value, param) {
            return /^[-]\d{}$/.test(value);
        },
        message: '邮政编码不存在'
    },
    QQ: {
        validator: function (value, param) {
            return /^[-]\d{,}$/.test(value);
        },
        message: 'QQ号码不正确'
    },
    mobile: {
        validator: function (value, param) {
            return /^?([-]|[]|[]|[-]|[])[-]{}$/.test(value);
        },
        message: '手机号码不正确'
    },
    phone: {// 验证电话号码
        validator: function (value) {
            return /^((\(\d{,}\))|(\d{}\-))?(\(\d{,}\)|\d{,}-)?[-]\d{,}(\-\d{,})?$/i.test(value);
        },
        message: '格式不正确,请使用下面格式:020-88888888'
    },
    loginName: {
        validator: function (value, param) {
            return /^[\u0391-\uFFE5\w]+$/.test(value);
        },
        message: '登录名称只允许汉字、英文字母、数字及下划线。'
    },
    safepass: {
        validator: function (value, param) {
            return safePassword(value);
        },
        message: '密码由字母和数字组成，至少6位'
    },
    /*
    <input type="password" id="txtpasswd" />
    <input type="password" id="txtpasswd2" validType="equalTo['#txtpasswd']" />
    */
    equalTo: {
        validator: function (value, param) {
            return value == $(param[]).val();
        },
        message: '两次输入的字符不一至'
    },
    number: {
        validator: function (value, param) {
            return /^\d+$/.test(value);
        },
        message: '请输入数字'
    },
    money: {
        validator: function (value, param) {
            return /^(([-]{}\d*)|([]{}))(\.(\d){,})?$/.test(value);
        },
        message: '请输入金额(例：8.88或8)'
    },
    ip: {// 验证IP地址
        validator: function (value) {
            return /d+.d+.d+.d+/i.test(value);
        },
        message: 'IP地址格式不正确'
    },
    idcard: {
        validator: function (value, param) {
            return idCard(value);
        },
        message: '请输入正确的身份证号码'
    },
    title: {
        validator: function (value) {
            return /^[\u0391-\uFFE5\w]+$/.test(value);
        },
        message: '只允许汉字、英文字母、数字及下划线。'
    },
    messageFormat: {
        validator: function (value) {
            return value.indexOf("　") < ;
        },
        message: '不能输入特殊字符！'
    },
    dateCompare: {
        validator: function (value, param) {
            //var d1 = $.fn.datebox.defaults.parser(param[0]);
            var d1 = $(param[]).datetimebox('getValue');
            var d2 = value;
            return d2 >= d1;
        },
        message: '{1}'
    },
    dateCompareLess: {
        validator: function (value, param) {
            //var d1 = $.fn.datebox.defaults.parser(param[0]);
            var d1 = $(param[]).datetimebox('getValue');
            var d2 = value;
            return d2 <= d1;
        },
        message: '{1}'
    },
    //data-options="validType:['email','isExists[\'EmailIsExists\',\'fdfdfd\']']" 多个调用
    //data-options="validType:['isExists[\'EmailIsExists\',\'fdfdfd\']']" 多个调用
    isExists: {
        validator: function (value, param) {
            if ($.trim(value) == "") {
                return true;
            }

            var result = isExists(param[], param[], param[], value);
            return result;
            //if (param) {
            //this.message.replace("{0}", param[1]+"||"+param[0]);
            //for (var i = 0; i < param.length; i++) {
            //    this.message = this.message.replace(new RegExp(
            //        "\\{" + i + "\\}", "g"), param[i]);
            //}
            //}
        },
        message: '{1}' //{0就是第0个参数，1则为第一个参数}
    },
    comboBoxRequired: {
        validator: function (value, param) {
            var isRequired = $("#" + param[]).attr(param[]);
            if (isRequired !=  && (value == "" || value.indexOf('选择') >=  || value.indexOf('全部') >= )) {
                return false;
            } else {
                return true;
            }
        },
        message: '该下拉框为必选项'
    },
    comboBoxEditvalid: {
        validator: function (value, param) {
            var $combobox = $("#" + param[]);
            if (value) {
                if ($combobox.combobox('getValue') == $combobox.combobox('getText'))
                    return false;
                return true;
            }
            return false;

        },
        message: '请选择下拉框选项，不要直接使用输入内容'
    },
    //用户账号验证(只能包括 _ 数字 字母)
    account: {//param的值为[]中值
        validator: function (value, param) {
            if (value.length < param[] || value.length > param[]) {
                $.fn.validatebox.defaults.rules.account.message = '用户名长度必须在' + param[] + '至' + param[] + '范围';
                return false;
            } else {
                if (!/^[\w]+$/.test(value)) {
                    $.fn.validatebox.defaults.rules.account.message = '用户名只能数字、字母、下划线组成.';
                    return false;
                } else {
                    return true;
                }
            }
        }, message: ''
    }
});

 <input name="CatelogParentId" id="CatelogParentId"  class="easyui-combobox" type="text" data-options="required:true,validType:'comboBoxEditvalid[\'CatelogParentId\']'" >

Easyui.initCombobox = function (options) {
    var $combobox = $("#" + options.id);
    var _options = $.extend({
        valueField: 'id',
        textField: 'text',
        validType:  'comboBoxEditvalid[\'' + options.id + '\',\'isRequired\']',
        url: encodeURIComponent(options.url)
    }, options);
    $combobox.combobox(_options);
};

@model Rednoble.OMS.CMS.Infastracture.Until.CustomCombobox
<input id="@Model.Id" name="@Model.Name" class="easyui-combobox" data-options="required:true,validType:['comboBoxRequired[\'@(Model.Id)\',\'isRequired\']','comboBoxEditvalid[\'@(Model.Id)\']'],editable:@Model.Editable.ToString().ToLower()" />
<script type="text/javascript">
    $(document).ready(function () {
        Easyui.initCombobox({
            url: "@(Model.Url+Model.SpitStr)Text=" + escape("@Model.Text"),
            id: "@Model.Id",
            onLoadSuccess: function() {
                if ("@Model.IsRequest" == "false" || "@Model.IsRequest" == "False") {
                    //取消必填
                    $("#" + "@Model.Id").attr("isRequired", "").parent().find(".validatebox-invalid").removeClass("validatebox-invalid");
                }
                if ('@Model.Value') {
                    $("#" + "@Model.Id").combobox('setValue', '@Model.Value');
                }
            }
        });
    });

    function toBool(str) {
        if (str == 'True' || str == 'true' || str == '')
            return true;
        return false;
    }
</script>