自己用的jquery经常用的工具command

var Cmd = {
    Entity: {
        QueryString: {},
    },
    RootPath: function () {
        var pathName = window.location.pathname.substring(1);
        var webName = pathName == '' ? '' : pathName.substring(0, pathName.indexOf('/'));
        if (webName != "" && webName.toLowerCase() != "web_html") {
            return window.location.protocol + '//' + window.location.host + '/' + webName;
        } else {
            return window.location.protocol + '//' + window.location.host;
        }
    },
    //======异步方法=====
    Ajax: function (url, data, success, error) {
        if (error) {
            $.ajax({
                type: "Post",
                url: url,
                dataType: "json",
                data: data,
                success: success,
                //error: error
            });
        } else {
            $.ajax({
                type: "Post",
                url: url,
                dataType: "json",
                data: data,
                success: success,
                error: function (XmlHttpRequest, textStatus, errorThrown) {
                    // alert(XmlHttpRequest.responseText);
                }
            });
        }
    },
    //=====同步方法====
    AjaxAsync: function (url, data) {
        var result;
        $.ajax({
            type: "post",
            url: url,
            data: data,
            // cache: false,
            async: false,
            dataType: "json",
            success: function (obj) {
                result = obj;
            }
        });
        return result;
    },
    //将后台时间转换为正常时间显示
    FormatTime: function (time) {
        var time2 = JSON.stringify(time);
        var date = new Date(parseInt(time2.substr(7, 13)));
        return date.format("yyyy-MM-dd HH:mm:ss");
    },
    //将后台时间转换为正常时间显示
    FormatMinute: function (time) {
        var time2 = JSON.stringify(time);
        var date = new Date(parseInt(time2.substr(7, 13)));
        return date.format("yyyy-MM-dd HH:mm");
    },
    FormatDataTime: function (time) {
        var time2 = JSON.stringify(time);
        var date = new Date(parseInt(time2.substr(7, 13)));
        return date.format("yyyy-MM-dd");
    },
    FormatDataMonth: function (time) {
        var time2 = JSON.stringify(time);
        var date = new Date(parseInt(time2.substr(7, 13)));
        return date.format("yyyy-MM");
    },
    //处理待html标签的数据公用方法
    htmlTag: function (str) {
        return str ? str.replace(/&((g|l|quo)t|amp|#39|nbsp);/g, function (m) {
            return {
                '&lt;': '<',
                '&amp;': '&',
                '&quot;': '"',
                '&gt;': '>',
                ''': "'",
                '&nbsp;': ' '
            }[m]
        }) : '';
    },
    //将标签内容中标签替换掉
    removeHTMLTag: function (str) {
        str = str.replace(/<\/?[^>]*>/g, ''); //去除HTML tag
        str = str.replace(/[ | ]*\n/g, '\n'); //去除行尾空白
        str = str.replace(/ /ig, '');//去掉
        return str;
    },
    SubStrLength: function (str, len) {
        var strstring = (str == null ? "null" : str);
        return (strstring.length > len ? strstring.substring(0, len) + "..." : strstring);
    }
};

RequestURLParms = (function () {
    var fn = function () {
    };
    fn.prototype.QueryString2 = function (val) {
        var uri = window.location.search;
        var re = new RegExp("" + val + "=([^&?]*)", "ig");
        return ((uri.match(re)) ? (uri.match(re)[0].substr(val.length + 1)) : null);
    }

    String.prototype.GetValue = function (parm) {
        var reg = new RegExp("(^|&)" + parm + "=([^&]*)(&|$)");
        var r = this.substr(this.indexOf("\?") + 1).match(reg);
        if (r != null) return unescape(r[2]); return null;
    }

    fn.prototype.QueryString = function (key) {
        var url = location.href;
        return url.GetValue(key);
    }

    return new fn();
})();

Date.prototype.format = function (formatStr) {
    var date = this;
    /*
    函数：填充0字符
    参数：value-需要填充的字符串, length-总长度
    返回：填充后的字符串
    */
    var zeroize = function (value, length) {
        if (!length) {
            length = 2;
        }
        value = new String(value);
        for (var i = 0, zeros = ''; i < (length - value.length) ; i++) {
            zeros += '0';
        }
        return zeros + value;
    };
    return formatStr.replace(/"[^"]*"|'[^']*'|\b(?:d{1,4}|M{1,4}|yy(?:yy)?|([hHmstT])\1?|[lLZ])\b/g, function ($0) {
        switch ($0) {
            case 'd':
                return date.getDate();
            case 'dd':
                return zeroize(date.getDate());
            case 'ddd':
                return ['Sun', 'Mon', 'Tue', 'Wed', 'Thr', 'Fri', 'Sat'][date.getDay()];
            case 'dddd':
                return ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'][date.getDay()];
            case 'M':
                return date.getMonth() + 1;
            case 'MM':
                return zeroize(date.getMonth() + 1);
            case 'MMM':
                return ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'][date.getMonth()];
            case 'MMMM':
                return ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'][date.getMonth()];
            case 'yy':
                return new String(date.getFullYear()).substr(2);
            case 'yyyy':
                return date.getFullYear();
            case 'h':
                return date.getHours() % 12 || 12;
            case 'hh':
                return zeroize(date.getHours() % 12 || 12);
            case 'H':
                return date.getHours();
            case 'HH':
                return zeroize(date.getHours());
            case 'm':
                return date.getMinutes();
            case 'mm':
                return zeroize(date.getMinutes());
            case 's':
                return date.getSeconds();
            case 'ss':
                return zeroize(date.getSeconds());
            case 'l':
                return date.getMilliseconds();
            case 'll':
                return zeroize(date.getMilliseconds());
            case 'tt':
                return date.getHours() < 12 ? 'am' : 'pm';
            case 'TT':
                return date.getHours() < 12 ? 'AM' : 'PM';
        }
    });
};

$(function () {
    var url = location.href.replace("#", "");
    var paraString = url.substring(url.indexOf("?") + 1, url.length).split("&");
    for (var i = 0; j = paraString[i]; i++) {
        Cmd.Entity.QueryString[j.substring(0, j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf("=") + 1, j.length);
    }
});

$(function () {
    jQuery('input:text:first').focus();//直接定位到当前页面的第一个文本框

    var $inp = jQuery('input:text');//所有文本框

    $inp.bind('keydown', function (e) {
        var key = e.which;
        if (key == 13) {
            e.preventDefault();
            var nxtIdx = $inp.index(this) + 1;
            jQuery(":input:text:eq(" + nxtIdx + ")").focus();
        }
    });
});

后台

 public class SerializerHelp
    {
        public static byte[] JsonSerializerByte(object obj)
        {
            DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(obj.GetType());
            MemoryStream memoryStream = new MemoryStream();
            dataContractJsonSerializer.WriteObject(memoryStream, obj);
            byte[] array = new byte[memoryStream.Length];
            memoryStream.Position = 0L;
            memoryStream.Read(array, , (int)memoryStream.Length);
            memoryStream.Close();
            return array;
        }

        public static string JsonSerializerStr(object obj)
        {
            byte[] bytes = SerializerHelp.JsonSerializerByte(obj);
            return Encoding.UTF8.GetString(bytes);
        }

        public static T JsonDeserialize<T>(string json) where T : class, new()
        {
            byte[] bytes = Encoding.UTF8.GetBytes(json);
            return SerializerHelp.JsonDeserialize<T>(bytes);
        }

        public static T JsonDeserialize<T>(byte[] bytes) where T : class, new()
        {
            MemoryStream stream = new MemoryStream(bytes);
            T t = Activator.CreateInstance<T>();
            DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(t.GetType());
            return (T)((object)dataContractJsonSerializer.ReadObject(stream));
        }
    }

public class RestAgent
    {
        private static byte[] InvokeRest(string address, string type, string param)
        {
            WebClient webClient = new WebClient();
            webClient.Headers.Add("Content-Type:application/json; charset=utf-8");
            webClient.Headers.Add("Accept-Language: zh-cn");
            webClient.Headers.Add("Accept: */*");
            webClient.Headers.Add(HttpRequestHeader.KeepAlive, "TRUE");
            webClient.Headers.Add("Keep-Alive", "");
            webClient.Headers.Add("Cache-Control: no-cache");
            byte[] result;
            if (type != null && type.ToUpper() == "POST")
            {
                if (param != null && param.Trim() != "")
                {
                    byte[] bytes = Encoding.UTF8.GetBytes(param);
                    result = webClient.UploadData(address, bytes);
                }
                else
                {
                    result = webClient.UploadData(address, null);
                }
            }
            else
            {
                string s = webClient.DownloadString(address);
                result = Encoding.UTF8.GetBytes(s);
            }
            return result;
        }

        /// <summary>
        /// 接口接收的数据转成代理对象
        /// </summary>
        /// <typeparam name="T">实体对象:例如:pro_UserInfo</typeparam>
        /// <param name="address">接口地址:例如:www.testapi.com/user/getUserInfo</param>
        /// <param name="type">请求类型:Get,Post</param>
        /// <param name="param">请求的参数:Json转String,例如:"{\"UID\":\"abcdef\"}"</param>
        /// <returns>Rest<pro_UserInfo></returns>
        public static T InvokeRestObject<T>(string address, string type, string param) where T : new()
        {
            T t = (default(T) == null) ? Activator.CreateInstance<T>() : default(T);
            byte[] array = RestAgent.InvokeRest(address, type, param);
            T result;
            if (array == null || Encoding.UTF8.GetString(array) == "")
            {
                result = t;
            }
            else
            {
                result = RestAgent.JsonDeserial<T>(array);
            }
            return result;
        }

        /// <summary>
        /// 接口接收的数据转成代理对象集合
        /// </summary>
        /// <typeparam name="T">实体对象:例如:pro_UserInfo</typeparam>
        /// <param name="address">接口地址:例如:www.testapi.com/user/getUserInfo</param>
        /// <param name="type">请求类型:Get,Post</param>
        /// <param name="param">请求的参数:Json转String,例如:"{\"UID\":\"abcdef\"}"</param>
        /// <returns>Rest<pro_UserInfo></returns>
        public static List<T> InvokeRestListObject<T>(string address, string type, string param)
        {
            byte[] array = RestAgent.InvokeRest(address, type, param);
            List<T> result;
            if (array == null || Encoding.UTF8.GetString(array) == "")
            {
                result = null;
            }
            else
            {
                result = RestAgent.JsonDeserials<T>(array);
            }
            return result;
        }

        /// <summary>
        /// 接口接收的数据转成代理字符串
        /// </summary>
        /// <param name="address">接口地址:例如:www.testapi.com/user/getUserInfo</param>
        /// <param name="type">请求类型:Get,Post</param>
        /// <param name="param">请求的参数:Json转String,例如:"{\"UID\":\"abcdef\"}"</param>
        /// <returns>"{\"UID\":\"abcdef\"}"</returns>
        public static string InvokeRestString(string address, string type, string param)
        {
            byte[] bytes = RestAgent.InvokeRest(address, type, param);
            return Encoding.UTF8.GetString(bytes);
        }

        private static T JsonDeserial<T>(byte[] jsons)
        {
            MemoryStream memoryStream = new MemoryStream(jsons);
            DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(T));
            T result = (T)((object)dataContractJsonSerializer.ReadObject(memoryStream));
            memoryStream.Close();
            return result;
        }

        private static List<T> JsonDeserials<T>(byte[] jsons)
        {
            MemoryStream memoryStream = new MemoryStream(jsons);
            DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(List<T>));
            List<T> result = (List<T>)dataContractJsonSerializer.ReadObject(memoryStream);
            memoryStream.Close();
            return result;
        }
    }

var entity = SerializerHelp.JsonDeserialize<Summary>(context.Request["Summary"]);

传图片

 FileReader: function () {

            if (this.files.length > 0) {
                $.showPreloader('上传中...');
                var form = new FormData();
                var filesize = 0;
                for (var i = 0; i < this.files.length; i++) {
                    var file = this.files[i];
                    if (file.type != "image")
                    var reader = new FileReader();
                    reader.readAsDataURL(file);
                    reader.onload = function (e) {
                        //localStorage.File = this.result;
                        //location.href = "EditImage.html";
                    }
                    form.append("file_" + i, file);
                    filesize += file.size;
                }
                if (filesize > 4 * 1024 * 1024 || filesize <= 0) {
                    alert("您的图片过大或者不符合要求");
                    $.hidePreloader();
                    return;
                }
                var fileObj = file; // js 获取文件对象
                var UploadUrl = Cmd.RootPath() + "/Handlers/Upload.ashx?Command=UploadFlie&phoneNum=" + localStorage.ls_phoneNum + ""; // 接收上传文件的后台地址
                // FormData 对象
                form.append("author", "volcano");// 可以增加表单数据
                var xhr = new XMLHttpRequest();
                xhr.open("post", UploadUrl, true);
                xhr.onload = function (e) {
                    $.hidePreloader();
                    var file = JSON.parse(e.target.response);
                    //if (file.FilePaths[0]) {
                };
                xhr.send(form);
            }
        }