根据微信号来抓取微信文章

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//将字符串拆成字符，并存到数组中
String.prototype.strToChars = function(){
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//判断某个字符是否是汉字
String.prototype.isCHS = function(i){
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String.prototype.subCHStr = function(start, length){
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    function parseXML(text,field){
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            xmlDoc.loadXML(text);
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        var sogou = {
            weixin:{
                gzhcb:function(object){
                    var o = object.items;
                    var htmlString = '';
                    for(var i=0;i<o.length;i++){
                        if(i>3){
                            break;
                        }
                        var str = o[i].toString();
                        var title = parseXML(str,'title').toString();
                        if(title.strLen()>10){
                            title = title.subCHStr(0,30)+'.....';
                        }
                        var object = {
                            title: title,
                            url: parseXML(str,'url'),
                            date: parseXML(str,'date')
                        };
                        htmlString += '<li><a target="_blank" href="'+object.url+'"><span class="bg_dian"></span>'+object.title+'<span class="right_news_time">['+object.date+']</span></a></li>';
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        $(function(){
            // 这个url是到微信搜狗里面针对自己的微信号找的地址
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            //var url = 'http://weixin.sogou.com/gzhjs?cb=sogou.weixin.gzhcb&openid=oIWsFt2IaC1wvHZc3EnDf4iToUcI&eqs=VfsoolZg%2B5ALoIsKSWSRru8JhJEgw1uSWON13NHPGfuO3qpheRdZMoIHzE2KxcUUP9Fym&ekv=7&page=1&t=1436882190413&callback=?';
            $.getJSON(url,function(data){
                data
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