场景
Springboot+FastJson实现解析第三方http接口json数据为实体类(时间格式化转换、字段包含中文):
Springboot+FastJson实现解析第三方http接口json数据为实体类(时间格式化转换、字段包含中文)-CSDN博客
Java中ExecutorService线程池的使用(Runnable和Callable多线程实现):
Java中ExecutorService线程池的使用(Runnable和Callable多线程实现)_executorservice executorservice = executors.newfix-CSDN博客
Java中创建线程的方式以及线程池创建的方式、推荐使用ThreadPoolExecutor以及示例:
Java中创建线程的方式以及线程池创建的方式、推荐使用ThreadPoolExecutor以及示例_threadpoolexecutor创建线程-CSDN博客
在上面的基础上,需要使用定时任务高频调用典第三方http接口并解析返回的json数据为java的list,需要对
list的每个数据进行处理,这里需要用到自定义线程池对每个java对象分别进行处理。
注:
博客:
霸道流氓气质_C#,架构之路,SpringBoot-CSDN博客
实现
1、首先在配置文件中添加第三方接口的url
这里是yml文件
test:#测试多线程请求http接口并解析数据http-request-executor:url: http://127.0.0.1:4523/m1/2858210-0-default/testFastJson
2、新建定时任务类
使用@PostConstruct注解初始化需要的数据,比如获取配置文件中的接口的url以及初始化线程池
@PostConstructpublic void initData() {HttpRequestExecutorTestHandler.newFixedThreadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() / 2);url = Objects.requireNonNull(environment.getProperty("test.http-request-executor.url"));}
这里读取配置文件需要引入
@Resourceprivate Environment environment;
然后新建定时任务调用接口,并解析接口返回的json数据,将响应的data字段传给
具体处理数据的类
@Scheduled(fixedRateString = "1000")public void taskGetData() {String body = "";try {body = HttpRequest.get("http://127.0.0.1:4523/m1/2858210-0-default/testFastJson").timeout(20000).execute().body();UserResDTO userResDTO = JSON.parseObject(body, UserResDTO.class);if (userResDTO.getCode() != null && 200!=userResDTO.getCode()) {//错误处理}else {JSONArray data = userResDTO.getData();if (StringUtils.isEmpty(data)) {return;}handler.handleData(data);}} catch (Exception e) {}}
定时任务类完整实例代码
import cn.hutool.http.HttpRequest;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.domain.test.dto.UserResDTO;
import com.ruoyi.web.handle.HttpRequestExecutorTestHandler;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.util.Objects;
import java.util.concurrent.Executors;@Component("HttpRequestExecutorTestTask")
@EnableScheduling
public class HttpRequestExecutorTestTask {private String url;@Resourceprivate Environment environment;@Resourceprivate HttpRequestExecutorTestHandler handler;/*** 初始化URL数据*/@PostConstructpublic void initData() {HttpRequestExecutorTestHandler.newFixedThreadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() / 2);url = Objects.requireNonNull(environment.getProperty("test.http-request-executor.url"));}@Scheduled(fixedRateString = "1000")public void taskGetData() {String body = "";try {body = HttpRequest.get("http://127.0.0.1:4523/m1/2858210-0-default/testFastJson").timeout(20000).execute().body();UserResDTO userResDTO = JSON.parseObject(body, UserResDTO.class);if (userResDTO.getCode() != null && 200!=userResDTO.getCode()) {//错误处理}else {JSONArray data = userResDTO.getData();if (StringUtils.isEmpty(data)) {return;}handler.handleData(data);}} catch (Exception e) {}}
}
3、上面具体进行业务处理的类
import com.alibaba.fastjson.JSONArray;
import com.ruoyi.system.domain.test.dto.UserDTO;
import org.springframework.stereotype.Component;
import java.util.List;
import java.util.concurrent.ExecutorService;@Component
public class HttpRequestExecutorTestHandler {public static ExecutorService newFixedThreadPool;public void handleData(JSONArray data) {List<UserDTO> userDTOS = data.toJavaList(UserDTO.class);for (UserDTO userDTO:userDTOS) {newFixedThreadPool.execute(() -> mapperApiData(userDTO));}}//具体业务处理private void mapperApiData(UserDTO userDTO){System.out.println(userDTO);}}
将接收到的data字段解析成java的list,然后遍历list,每个对象用一个线程具体去处理。
附接口示例数据
{"code": "200","data": [{"id": "63","name": "学指约思但","time_cur": "2009-07-23 02:14:52","地址": "minim sint commodo nisi"},{"id": "19","name": "下农前清时相","time_cur": "2013-10-16 17:32:09","地址": "ullamco aliqua"},{"id": "57","name": "米见放层张圆","time_cur": "2015-10-20 18:40:42","地址": "dolor minim et qui"}]
}
4、运行效果