// 代码不全，只有主要的逻辑
// 用到的库如下：

var request = require('superagent');
var cheerio = require('cheerio');
var fs = require('fs');

// 首先是这样的一个接口，可以取到某个答案所有赞同的人数
// 每次取会返回10条数据，是编译好的HTML模版，还有下一组数据的地址
// 遍历这10条数据并取到所有人的ID即可
// config 是Cookie、Host、Referer等配置

var sourceLink = 'https://www.zhihu.com/answer/' + code + '/voters_profile';

function getVoterList(link, fn) {
    var next = '';
    if (postListLength && !sleepIng) {
        console.log('waiting');
        sleepIng = true;
        return setTimeout(function () {
            sleepIng = false;
            sleep = 1;
            getVoterList(link, fn);
        }, 1000 * 60);
    }
    request.get(link)
        .set(config)
        .end(function (err, res) {
            if (err || !res.ok) {
                return console.log(err);
            }
            var result = JSON.parse(res.text), voterList = '', $;

            if (result.paging && result.paging.next) {
                next = result.paging.next;
            }

            if (result.payload && result.payload.length) {
                voterList = result.payload.join('');
                $ = cheerio.load(voterList);

                $('.zm-rich-follow-btn').each(function () {
                    var id = $(this).attr('data-id');

                    if (voterIdList.indexOf(id) === -1 && oldIdList.indexOf(id) === -1) {
                        console.log('new id: ', id);
                        voterIdList.push(id);
                    } else {
                        dupIdLen += 1;
                    }
                });
            }

            if (next && dupIdLen < 20) {
                setTimeout(function () {
                    getVoterList('https://www.zhihu.com' + next, fn);
                }, 3000);
            } else {
                dupIdLen = 0;
                fn();
            }
        });
}

// 在爬取完该接口后，新的点赞人数会暂存在数组中，遍历该数组，并发送请求
// 如请求发送成功，将各ID保存在某一个文件中，如发送失败，等几分钟后重试

function sendPost() {
    var hasError = false;
    var tempArr = [];
    postListLength = voterIdList.length;
    console.log('send post');

    if (voterIdList.length) {
        voterIdList.forEach(function (id, i) {

            if (hasError) {
                // 处理发送失败的情况，等待5分钟重试
                if (!sleepIng) {
                    console.log('waiting');
                    sleepIng = true;
                    return setTimeout(function () {
                        sleepIng = false;
                        sleep = 1;
                        sendPost();
                    }, 1000 * 60 * 5);
                }

                return console.log('has error');
            }

            var index = (function () {
                return i;
            })(i);
            var postIndex = index > postList.length ? index % postList.length : index;

            setTimeout(function () {
                // 一波发送完成之前不会启动下一波私信发送
                postListLength--;
                request.post('https://www.zhihu.com/inbox/post')
                    .send({
                        member_id: id,
                        content: postList[postIndex],
                        token: '',
                        _xsrf: '' // 这里是发送者的Cookie
                    })
                    .set(config)
                    .set({"Accept": "*/*"})
                    .set({"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"})
                    .end(function (err, res) {
                        console.log('hasError: ', hasError);
                        console.log(new Date());
                        console.log(res.text);
                        var resObj = {};

                        try {
                            resObj = JSON.parse(res.text);
                        } catch (e) {
                            console.log(e);

                            if (!sleepIng) {
                                hasError = true;
                                sleep = 5;
                                console.log('waiting');
                                sleepIng = true;
                                return setTimeout(function () {
                                    sleepIng = false;
                                    sleep = 1;
                                    sendPost();
                                }, 1000 * 60 * 5);
                            }
                        }

                        if (err || !res.ok || resObj.r !== 0) {
                            console.log(err);
                            hasError = true;
                            sleep = 5;
                            tempArr = voterIdList.slice(0, index);
                            oldIdList = oldIdList.concat(tempArr);
                            fs.writeFile('./idlist.json', oldIdList, function (err) {
                                if (err) console.log(err);
                            });
                        }
                    });
            }, 20 * 1000 * index * sleep);

            if (index === voterIdList.length - 1) {
                console.log('last');
                oldIdList = oldIdList.concat(voterIdList);
                voterIdList = [];
                setTimeout(function () {
                    console.log('run again');
                    getVoterList(sourceLink, sendPost);
                }, 1000 * 60 * 15);

                fs.writeFile('./idlist.json', oldIdList, function (err) {
                    if (err) console.log(err);
                });

                console.log('done ');
            }
        });
    } else {
        setTimeout(function () {
            console.log('run again');
            getVoterList(sourceLink, sendPost);
        }, 1000 * 60);
    }
}

<?php
 for($i1=0000;$i1<=9999;$i1++){
         
        
     if($i1<1000){     

$u="http://100.123.1.2/sy_wpt/bin/studentPic/210701199701230$i1.jpg";
     
            copy($u,"210701199701230$i1.jpg");
     }else{   
            $u="http://100.123.1.2/sy_wpt/bin/studentPic/21070119970123$i1.jpg";
     
            copy($u,"21070119970123$i1.jpg");
 
          }
         
    }
     
?>