349 lines
7.2 KiB
JavaScript
349 lines
7.2 KiB
JavaScript
/**
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* 一些公用方法
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* @author 暮光：城中城
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* @since 2017年5月7日
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*/
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var ctx = "/";
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var statics = "/statics/";
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init();
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function init() {
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ctx = getCookie("ctx");
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statics = ctx + "statics/";
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}
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function serialize(value) {
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if (typeof value === 'string') {
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return value;
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}
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return JSON.stringify(value);
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}
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function deserialize(value) {
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if (typeof value !== 'string' || isEmpty(value)) {
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return undefined;
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}
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try {
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return JSON.parse(value);
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} catch (e) {
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try {
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return eval('(' + value + ')');// 处理变态的单双引号共存字符串
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} catch (e) {
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return value || undefined;
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}
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}
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}
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function validateResult(result) {
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if(result.errCode == 200) {
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return true;
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} else {
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alert(result.errMsg);
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}
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return false;
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}
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function getNowDate() {
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var date = new Date();
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var month = date.getMonth() + 1;
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var strDate = date.getDate();
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if (month >= 1 && month <= 9) {
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month = "0" + month;
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}
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if (strDate >= 0 && strDate <= 9) {
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strDate = "0" + strDate;
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}
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var currentdate = date.getFullYear() + "-" + month + "-" + strDate;
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return currentdate;
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}
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function getNowTime() {
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var date = new Date();
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var hours = date.getHours();
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var minutes = date.getMinutes();
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var seconds = date.getSeconds();
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if (hours >= 1 && hours <= 9) {
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hours = "0" + hours;
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}
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if (minutes >= 0 && minutes <= 9) {
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minutes = "0" + minutes;
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}
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if (seconds >= 0 && seconds <= 9) {
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seconds = "0" + seconds;
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}
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var currentdate = hours + ":" + minutes + ":" + seconds;
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return currentdate;
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}
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function getNowDateTime() {
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var currentdate = getNowDate() + " " + getNowTime();
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return currentdate;
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}
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/**
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* 返回不为空的字符串，为空返回def
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*/
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function getNotEmptyStr(str, def) {
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if (isEmpty(str)) {
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return isEmpty(def) ? "" : def;
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}
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return str;
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}
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/**
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* 是否是空对象
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* @param obj
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* @returns
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*/
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function isEmptyObject(obj){
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return $.isEmptyObject(obj);
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}
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/**
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* 是否是空字符串
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* @param str
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* @returns
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*/
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function isNull(str){
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return (str == null || str == undefined);
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}
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/**
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* 是否不是空字符串
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* @param str
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* @returns
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*/
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function isNotNull(str){
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return !isNull(str);
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}
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/**
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* 是否是空字符串
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* @param str
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* @returns
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*/
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function isEmpty(str){
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return (str == "" || str == null || str == undefined);
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}
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/**
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* 是否不是空字符串
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* @param str
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* @returns
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*/
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function isNotEmpty(str){
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return !isEmpty(str);
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}
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/**
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* 数组转字符串，使用空格分隔
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* @param array
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* @returns
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*/
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function arrToString(array){
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var temStr = "";
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if(isEmpty(array)){
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return temStr;
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}
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array.forEach(function(e){
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if(isNotEmpty(temStr)) {
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temStr += " ";
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}
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temStr += e;
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});
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return temStr;
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}
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/**
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* 数组array中是否包含str字符串
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* @param array
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* @param str
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* @returns
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*/
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function haveString(array, str){
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if(isEmpty(array)) {
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return false;
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}
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for (var i = 0; i < array.length; i++) {
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if(array[i] == str) {
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return true;
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}
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}
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return false;
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}
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/**
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* 直接返回对象的第一个属性
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* @param data
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* @returns
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*/
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function getObjectFirstAttribute(data) {
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for ( var key in data) {
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return data[key];
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}
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}
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/**
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* 如果对象只有一个属性则返回第一个属性，否则返回null
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* @param data
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* @returns
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*/
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function getObjectFirstAttributeIfOnly(data) {
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var len = 0, value = "";
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for ( var key in data) {
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if (++len > 1) {
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return null;
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}
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value = data[key];
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}
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return value;
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}
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function post(url, param, success, fail, complete) {
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ajaxTemp(url, "POST", "JSON", param, success, fail, complete);
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}
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/**
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* ajax处理事件模板
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*
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* @url 后台处理的url，即action
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* @dataSentType 数据发送的方式，有post，get方式
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* @dataReceiveType 数据接收格式，有html json text等
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* @paramsStr 传入后台的参数
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* @successFunction ajax成功后执行的函数名 ajaxTemp("", "GET", "html", {}, function(){},
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* function(){}, "");
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*/
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function ajaxTemp(url, dataSentType, dataReceiveType, paramsStr, successFunction, errorFunction, completeFunction, id) {
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$.ajax({
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url : url, // 后台处理程序
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sync : false,
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type : dataSentType, // 数据发送方式
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dataType : dataReceiveType, // 接受数据格式
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data : eval(paramsStr),
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contentType : "application/x-www-form-urlencoded; charset=UTF-8",
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success : function(msg) {
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if(typeof successFunction == "function") {
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successFunction(msg,id);
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}
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},
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beforeSend : function() {
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},
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complete : function(msg) {
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if(typeof completeFunction == "function") {
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completeFunction(msg,id);
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}
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},
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error : function(msg) {
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if(typeof errorFunction == "function") {
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errorFunction(msg,id);
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}
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}
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});
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}
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/**
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* 获取cookie
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* @param name
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* @returns
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*/
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function getCookie(name) {
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var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
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if(arr=document.cookie.match(reg)){
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return unescape(arr[2]);
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}
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return null;
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}
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/**
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* 字符串格式化
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*/
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String.prototype.format = function(args) {
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if (arguments.length > 0) {
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var result = this;
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if (arguments.length == 1 && typeof (args) == "object") {
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for ( var key in args) {
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var reg = new RegExp("({" + key + "})", "g");
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result = result.replace(reg, args[key]);
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}
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} else {
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for (var i = 0; i < arguments.length; i++) {
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if (arguments[i] == undefined) {
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return "";
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} else {
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var reg = new RegExp("({[" + i + "]})", "g");
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result = result.replace(reg, arguments[i]);
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}
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}
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}
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return result;
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} else {
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return this;
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}
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}
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String.prototype.endWith = function(str) {
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if (str == null || str == "" || this.length == 0 || str.length > this.length) {
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return false;
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}
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return (this.substring(this.length - str.length) == str);
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};
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String.prototype.startWith = function(str) {
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if (str == null || str == "" || this.length == 0 || str.length > this.length) {
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return false;
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}
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return (this.substr(0, str.length) == str);
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};
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var common = {
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//获取页面顶部被卷起来的高度函数
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scrollTop : function(){
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return Math.max(
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//chrome
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document.body.scrollTop,
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//firefox/IE
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document.documentElement.scrollTop);
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},
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//获取页面文档的总高度
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documentHeight : function(){
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//现代浏览器（IE9+和其他浏览器）和IE8的document.body.scrollHeight和document.documentElement.scrollHeight都可以
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return Math.max(document.body.scrollHeight,document.documentElement.scrollHeight);
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},
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//获取页面浏览器视口的高度
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windowHeight : function(){
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return (document.compatMode == "CSS1Compat")?
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document.documentElement.clientHeight:
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document.body.clientHeight;
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},
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//提取地址栏信息
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getRequest: function () {
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var url = location.search;// 获取url中"?"符后的字串
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url = decodeURIComponent(url);
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var theRequest = {};
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if (url.indexOf("?") != -1) {
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var str = url.substr(1);
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strs = str.split("&");
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for (var i = 0; i < strs.length; i++) {
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theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
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}
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}
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return theRequest;
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},
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getParam: function(name){
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var url = location.search;// 获取url中"?"符后的字串
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url = decodeURIComponent(url);
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if (url.indexOf("?") != -1) {
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var str = url.substr(1);
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strs = str.split("&");
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for (var i = 0; i < strs.length; i++) {
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var nameTemp = strs[i].split("=")[0];
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if(name == nameTemp) {
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return unescape(strs[i].split("=")[1]);
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}
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}
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}
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return "";
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}
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};
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