package threadlocal;/*** 描述： 演示ThreadLocal用法2：避免傳遞參數的麻煩*/ public class ThreadLocalNormalUsage06 {public static void main(String[] args) {new Service1().process("");} }class Service1 {public void process(String name) {User user = new User("超哥");UserContextHolder.holder.set(user);new Service2().process();} }class Service2 {public void process() {User user = UserContextHolder.holder.get();ThreadSafeFormatter.dateFormatThreadLocal.get();System.out.println("Service2拿到用戶名：" + user.name);new Service3().process();} }class Service3 {public void process() {User user = UserContextHolder.holder.get();System.out.println("Service3拿到用戶名：" + user.name);UserContextHolder.holder.remove();} }class UserContextHolder {public static ThreadLocal<User> holder = new ThreadLocal<>();}class User {String name;public User(String name) {this.name = name;} }

?

總結

以上是生活随笔為你收集整理的ThreadLocal的第二种用法 part2的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。