Java实现掘金自动签到、免费抽奖

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hello，大家好啊，最近我正在将文章同步到各大平台，在使用掘金的过程中发现掘金是可以每天签到领矿石的，并且每天可以免费抽奖一次，领取的矿石可以用来兑换掘金的一些周边礼品。

作为一个程序员，那必须安排上每天自动签到、抽奖的功能啊，说干就干，下面开始讲解实际操作步骤

原理

签到和抽奖的原理都很简单，就是模拟浏览器发送接口请求来达到效果

代码实现

下述代码使用数据库存储账号信息，支持多账号签到、抽奖，如不需要如此复杂的逻辑，可自行根据实际情况调整

• 添加依赖

<dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-web</artifactId></dependency><dependency>  <groupId>org.projectlombok</groupId>  <artifactId>lombok</artifactId>  <optional>true</optional></dependency><dependency>  <groupId>mysql</groupId>  <artifactId>mysql-connector-java</artifactId>  <scope>runtime</scope></dependency><dependency>  <groupId>org.mybatis.spring.boot</groupId>  <artifactId>mybatis-spring-boot-starter</artifactId>  <version>2.2.2</version></dependency><dependency>  <groupId>tk.mybatis</groupId>  <artifactId>mapper</artifactId>  <version>4.1.5</version></dependency><dependency>  <groupId>tk.mybatis</groupId>  <artifactId>mapper-spring-boot-starter</artifactId>  <version>2.1.5</version></dependency><dependency>  <groupId>com.squareup.okhttp3</groupId>  <artifactId>okhttp</artifactId>  <version>4.6.0</version></dependency>

• 创建数据库表

CREATE TABLE `juejin_assign_account` (  `id` bigint NOT NULL AUTO_INCREMENT,  `remark` varchar(255) NOT NULL COMMENT '账号描述',  `cookie` text COMMENT 'cookie信息',  `last_assign_time` datetime DEFAULT NULL COMMENT '上一次签到时间',  `ore_count` bigint NOT NULL DEFAULT '0' COMMENT '矿石数量',  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',  PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='掘金账号信息';

• 数据库配置

# mybatis配置mybatis:  mapper-locations: classpath:mapper/**/*.xml  configuration:    map-underscore-to-camel-case: true# 数据源配置spring:  datasource:    type: com.zaxxer.hikari.HikariDataSource    driver-class-name: com.mysql.jdbc.Driver    url: jdbc:mysql://{你的数据库IP}:{你的数据库端口}/{你的数据库名称}?useUnicode=true&characterEncoding=utf-8&useSSL=false    username: {你的数据库账号}    password: {你的数据库密码}    hikari:      minimum-idle: 5      idle-timeout: 600000      maximum-pool-size: 10      auto-commit: true      pool-name: MyHikariCP      max-lifetime: 1800000      connection-timeout: 30000      connection-test-query: SELECT 1

• 签到、抽奖代码

package cn.tdkpcw.wechat.model.juejin;import com.google.gson.annotations.SerializedName;import lombok.Data;/** * @author C.W * @date 2022/6/1 9:49 * @desc 免费抽奖次数 */@Datapublic class FreeLotteryResp {    @SerializedName("free_count")    private Integer freeCount;    @SerializedName("point_cost")    private Long pointCost;}

package cn.tdkpcw.wechat.model.juejin;import com.google.gson.annotations.SerializedName;import lombok.Data;/** * @author C.W * @date 2022/6/1 9:47 * @desc */@Datapublic class JueJinResp<T> {    @SerializedName("err_no")    private Integer errNo;    @SerializedName("err_msg")    private String errMsg;    private T data;}

package cn.tdkpcw.wechat.job;import cn.tdkpcw.wechat.dao.JueJinAssignAccountDao;import cn.tdkpcw.wechat.model.juejin.FreeLotteryResp;import cn.tdkpcw.wechat.model.juejin.JueJinResp;import cn.tdkpcw.wechat.model.po.JueJinAssignAccountPO;import cn.tdkpcw.wechat.utils.GsonUtils;import cn.tdkpcw.wechat.utils.HttpUtils;import com.google.gson.reflect.TypeToken;import lombok.extern.slf4j.Slf4j;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.scheduling.annotation.Scheduled;import org.springframework.stereotype.Component;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.List;import java.util.Map;/** * @author C.W * @date 2022/6/1 9:34 * @desc 掘金签到 */@Slf4j@Componentpublic class JueJinAssignJob {    // 签到    private static final String ASSIGN_URL = "https://api.juejin.cn/growth_api/v1/check_in";    // 查询免费抽奖次数    private static final String FREE_LOTTERY_URL = "https://api.juejin.cn/growth_api/v1/lottery_config/get";    // 抽奖    private static final String LOTTERY_URL = "https://api.juejin.cn/growth_api/v1/lottery/draw";    // 矿石数量    private static final String ORE_COUNT_URL = "https://api.juejin.cn/growth_api/v1/get_cur_point";    // 时间格式化    private static final SimpleDateFormat SIMPLE_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");    @Autowired    private JueJinAssignAccountDao jueJinAssignAccountDao;    @Scheduled(cron = "0 10 06 * * ?")    public void start() throws IOException { Map<String, String> headers = new HashMap<>(); headers.put("Referer", "https://juejin.cn/"); headers.put("Upgrade-Insecure-Requests", "1"); headers.put("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36"); List<JueJinAssignAccountPO> accountPOList = jueJinAssignAccountDao.selectAll(); String today = SIMPLE_DATE_FORMAT.format(new Date()); log.info("掘金任务开始，本次共：{} 个账号需要处理", accountPOList.size()); for (JueJinAssignAccountPO jueJinAssignAccountPO : accountPOList) {     log.info("开始处理账号：{}", jueJinAssignAccountPO.getRemark());     if (jueJinAssignAccountPO.getLastAssignTime() != null) {  String lastAssignTime = SIMPLE_DATE_FORMAT.format(jueJinAssignAccountPO.getLastAssignTime());  if (lastAssignTime.equals(today)) {      log.info("账号：{} 今日已签到", jueJinAssignAccountPO.getRemark());      continue;  }     }     headers.put("cookie", jueJinAssignAccountPO.getCookie());     // 签到     assign(jueJinAssignAccountPO, headers);     // 抽奖     lottery(jueJinAssignAccountPO, headers);     // 获取矿石数量     getOreCount(jueJinAssignAccountPO, headers);     // 更新     jueJinAssignAccountDao.updateByPrimaryKey(jueJinAssignAccountPO);     log.info("处理账号完毕：{}", jueJinAssignAccountPO.getRemark()); } log.info("掘金任务结束");    }    /**     * 签到     *     * @param accountPO     * @param headers     */    private void assign(JueJinAssignAccountPO accountPO, Map<String, String> headers) { try {     log.info("开始掘金签到");     String assignResult = HttpUtils.post(ASSIGN_URL, "{}", headers, HttpUtils.JSON);     log.info("掘金签到结果: {}", assignResult);     JueJinResp jueJinResp = GsonUtils.fromJson(assignResult, JueJinResp.class);     if (jueJinResp.getErrNo() == 0) {  // 签到成功，设置最后一次签到时间为今天  accountPO.setLastAssignTime(new Date());     } } catch (Exception e) {     log.error("掘金签到失败", e); }    }    /**     * 抽奖     *     * @param accountPO     * @param headers     */    private void lottery(JueJinAssignAccountPO accountPO, Map<String, String> headers) { try {     log.info("开始掘金抽奖");     String freeLotteryResult = HttpUtils.get(FREE_LOTTERY_URL, headers);     log.info("掘金抽奖次数：{}", freeLotteryResult);     JueJinResp<FreeLotteryResp> freeLotteryResp = GsonUtils.fromJson(freeLotteryResult, new TypeToken<JueJinResp<FreeLotteryResp>>() {     }.getType());     if (freeLotteryResp.getErrNo() != 0) {  log.info("获取免费抽奖次数失败");  return;     }     if (freeLotteryResp.getData().getFreeCount() <= 0) {  log.info("没有免费抽奖次数");  return;     }     // 开始抽奖     String lotteryResult = HttpUtils.post(LOTTERY_URL, "{}", headers, HttpUtils.JSON);     log.info("抽奖结果：{}", lotteryResult); } catch (Exception e) {     log.error("掘金抽奖失败", e); }    }    /**     * 更新矿石数量     *     * @param accountPO     * @param headers     */    private void getOreCount(JueJinAssignAccountPO accountPO, Map<String, String> headers) { try {     String oreCountStr = HttpUtils.get(ORE_COUNT_URL, headers);     JueJinResp<Long> resp = GsonUtils.fromJson(oreCountStr, new TypeToken<JueJinResp<Long>>() {     }.getType());     if (resp.getErrNo() == 0) {  accountPO.setOreCount(resp.getData());     } } catch (Exception e) {     log.error("获取矿石数量异常", e); }    }}

• 运行效果