最近计划（Node爬虫）——2018.02.03 about mymemorandum HOT 8 CLOSED

function main(job){
    // for(job in variables.jobs){
        // console.log(`Job : ${variables.jobs[job]}`);
        for(city in variables.cities){
            // console.log(`City : ${variables.cities[city]}`);
            var url = encodeURI(`http://sou.zhaopin.com/jobs/searchresult.ashx?bj=160000&sj=${variables.jobs[job]}&in=160400&jl=${variables.cities[city]}&p=1&isadv=0`);
            (function(Job, City){
                http.get(url, (res)=>{
                    res.setEncoding('utf-8');
                    var str = '';
                    res.on('data', (data)=>{
                        str += data;
                    });
                    res.on('end', function(){
                        var $ = cheerio.load(str);
                        var txt = $('span.search_yx_tj>em').text();
                        var jobsCount = parseInt(txt);
                        var pagesCount = 0;
                        if(jobsCount%60 === 0){
                            pagesCount = jobsCount/60;
                        } 
                        else{ 
                            pagesCount = jobsCount/60 + 1;
                        }
                        for(var i=1; i <= pagesCount; i++){
                            getData(i, Job, City, jobsCount, writeFile);
                        }
                        // console.log(`${Job}方面的工作在${City}共有岗位${txt}个。`);
                    });
                });
            })(job, variables.cities[city]);
        }
    // }
}