/*
 * 对easyui-validatebox的验证类型的扩展，值必须在某个区间
 */
$.extend($.fn.validatebox.defaults.rules, {
    valueBettween: {
        validator: function(value, param){
            return value >= param[0] && value <= param[1]
        },
        message: "\u5fc5\u987b\u5728{0}-{1}\u533a\u95f4"
    }
});

用法：data-options="validType:'valueBettween[0,50]'"