/**
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* 公用的js函数文件
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*/
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/**
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* 伪造http referer信息
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* 用 document.all 来判断当前的浏览器是否是IE， 如果是的话就生成一个link，
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* 然后自动执行 onclick 事件，如果不是的话就用JS 跳转。这样在处理页面就可以得到 HTTP_REFERER
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* @param url
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*/
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function referURL(url){
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var isIe=(document.all)?true:false;
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//console.info("isIe:"+isIe);
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if(isIe) {
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var linka = document.createElement('a');
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linka.href=url;
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document.body.appendChild(linka);
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linka.click();
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}
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}
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/**
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* 唯一标识 指定长度和基数
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*/
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function generateUUID(len, radix) {
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var timeData = new Date().getTime();
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var chars = ('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz').split('');
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var uuid = [], i;
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radix = radix || chars.length;
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if (len) {
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// Compact form
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for (i = 0; i < len; i++) uuid[i] = chars[0 | (Math.random()*radix)];
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} else {
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// rfc4122, version 4 form
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var r;
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// rfc4122 requires these characters
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uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
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uuid[14] = '4';
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// Fill in random data. At i==19 set the high bits of clock sequence as
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// per rfc4122, sec. 4.1.5
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for (i = 0; i < 36; i++) {
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if (!uuid[i]) {
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r = 0 | (Math.random()*16);
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uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
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}
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}
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}
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return uuid.join('');
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}
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/**
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* GUID是一种由算法生成的二进制长度为128位的数字标识符。
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* GUID 的格式为“xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx”，
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* 其中的 x 是 0-9 或 a-f 范围内的一个32位十六进制数。在理想情况下，任何计算机和计算机集群都不会生成两个相同的GUID。
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* @returns {string}
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*/
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function uuid() {
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var d = new Date().getTime();
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//var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
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var uuid = 'xxxx-yxxx'.replace(/[xy]/g, function(c) {
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var r = (d + Math.random()*16)%16 | 0;
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return (c=='x' ? r : (r&0x3|0x8)).toString(16);
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});
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return uuid;
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};
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//货币格式化
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//Extend the default Number object with a formatMoney() method:
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//usage: someVar.formatMoney(decimalPlaces, symbol, thousandsSeparator, decimalSeparator)
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//defaults: (2, "$", ",", ".")
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Number.prototype.formatMoney = function (places, symbol, thousand, decimal) {
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places = !isNaN(places = Math.abs(places)) ? places : 2;
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symbol = symbol !== undefined ? symbol : "$";
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thousand = thousand || ",";
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decimal = decimal || ".";
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var number = this,
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negative = number < 0 ? "-" : "",
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i = parseInt(number = Math.abs(+number || 0).toFixed(places), 10) + "",
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j = (j = i.length) > 3 ? j % 3 : 0;
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return symbol + negative + (j ? i.substr(0, j) + thousand : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + thousand) + (places ? decimal + Math.abs(number - i).toFixed(places).slice(2) : "");
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};
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/**
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* 判断是否登录，没登录刷新当前页，促使Shiro拦截后跳转登录页
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* @param result ajax请求返回的值
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* @returns {如果没登录，刷新当前页}
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*/
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function isLogin(result){
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if(result && result.code && (result.code == '1101' || result.code=='1102')){
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window.location.reload(true);//刷新当前页
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}
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return true;//返回true
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}
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/**
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* 获取get请求参数
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* @param name
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* @returns
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*/
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function GetQueryString(name){
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var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
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var search=window.location.search;
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if(search!=null && search!=""){
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var r = search.substr(1).match(reg);
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if(r!=null){
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return unescape(r[2]);
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}
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}
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return null;
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}
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/**
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* 获取菜单uri
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* @returns
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*/
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function getCallback(){
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var pathname = window.location.pathname;
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var param=GetQueryString("callback");
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if(param!=null && param != ""){
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return param;
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}else{
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return pathname;
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}
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}
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/**
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* 针对不同的错误可结合业务自定义处理方式
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* @param result
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* @returns {Boolean}
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*/
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function isError(result){
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var flag=true;
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if(result && result.status){
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flag=false;
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if(result.status == '-1' || result.status=='-101' || result.status=='400' || result.status=='404' || result.status=='500'){
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layer.alert(result.data);
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}else if(result.status=='403'){
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layer.alert(result.data,function(){
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//跳转到未授权界面
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window.location.href="/403";
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});
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}
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}
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return flag;//返回true
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}
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