//格式化url查询参数为jsonfunction formatUrl(url){     var reg=/(?:[?&]+)([^&]+)=([^&]+)/g;     var data=http://www.mamicode.com/{};     function fn(str,pro,value){         data[decodeURIComponent(pro)]=decodeURIComponent(value);     }     url.replace(reg,fn);     return data; } 

//替换索引编号function replaceIndex(str){    var regExp = new RegExp(‘<%=(.*?)%>‘);    var replaceText = Math.floor(Math.random()*100000000);    var i = str.search(‘<%=(.*?)%>‘);    var n = str.search(regExp);        console.log(‘i ‘, i, n, typeof str);    var newstr = str.replace(regExp,replaceText);    //console.log( newstr );    fs.writeFile(path, newstr, ‘utf-8‘, function(err){        console.log(‘backfill error‘,err);    });}