格式化URL

//格式化url查询参数为json
function formatUrl(url){ 
    var reg=/(?:[?&]+)([^&]+)=([^&]+)/g; 
    var data={}; 
    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);
    });
}