![\"\u4e2d\u4ecb\u8005\u6a21\u5f0f\u7684](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810215418-6899150a4b6f4.jpg\")
<\/p>\n\u4e2d\u4ecb\u8005\u6a21\u5f0f（Mediator Pattern）\u662f\u7528\u6765\u964d\u4f4e\u591a\u4e2a\u5bf9\u8c61\u548c\u7c7b\u4e4b\u95f4\u7684\u901a\u4fe1\u590d\u6742\u6027\u3002\u8fd9\u79cd\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4e2d\u4ecb\u7c7b，\u8be5\u7c7b\u901a\u5e38\u5904\u7406\u4e0d\u540c\u7c7b\u4e4b\u95f4\u7684\u901a\u4fe1，\u5e76\u652f\u6301\u677e\u8026\u5408，\u4f7f\u4ee3\u7801\u6613\u4e8e\u7ef4\u62a4\u3002\u4e2d\u4ecb\u8005\u6a21\u5f0f\u5c5e\u4e8e\u884c\u4e3a\u578b\u6a21\u5f0f\u3002<\/p>\n
\u610f\u56fe：\u7528\u4e00\u4e2a\u4e2d\u4ecb\u5bf9\u8c61\u6765\u5c01\u88c5\u4e00\u7cfb\u5217\u7684\u5bf9\u8c61\u4ea4\u4e92，\u4e2d\u4ecb\u8005\u4f7f\u5404\u5bf9\u8c61\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u76f8\u4e92\u5f15\u7528，\u4ece\u800c\u4f7f\u5176\u8026\u5408\u677e\u6563，\u800c\u4e14\u53ef\u4ee5\u72ec\u7acb\u5730\u6539\u53d8\u5b83\u4eec\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/p>\n
\u4e3b\u8981\u89e3\u51b3：\u5bf9\u8c61\u4e0e\u5bf9\u8c61\u4e4b\u95f4\u5b58\u5728\u5927\u91cf\u7684\u5173\u8054\u5173\u7cfb，\u8fd9\u6837\u52bf\u5fc5\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u7684\u7ed3\u6784\u53d8\u5f97\u5f88\u590d\u6742，\u540c\u65f6\u82e5\u4e00\u4e2a\u5bf9\u8c61\u53d1\u751f\u6539\u53d8，\u6211\u4eec\u4e5f\u9700\u8981\u8ddf\u8e2a\u4e0e\u4e4b\u76f8\u5173\u8054\u7684\u5bf9\u8c61，\u540c\u65f6\u505a\u51fa\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n
\u4f55\u65f6\u4f7f\u7528：\u591a\u4e2a\u7c7b\u76f8\u4e92\u8026\u5408，\u5f62\u6210\u4e86\u7f51\u72b6\u7ed3\u6784\u3002<\/p>\n
\u5982\u4f55\u89e3\u51b3：\u5c06\u4e0a\u8ff0\u7f51\u72b6\u7ed3\u6784\u5206\u79bb\u4e3a\u661f\u578b\u7ed3\u6784\u3002<\/p>\n
\u5173\u952e\u4ee3\u7801：\u5bf9\u8c61 Colleague \u4e4b\u95f4\u7684\u901a\u4fe1\u5c01\u88c5\u5230\u4e00\u4e2a\u7c7b\u4e2d\u5355\u72ec\u5904\u7406\u3002<\/p>\n
\u5e94\u7528\u5b9e\u4f8b： 1\u3001\u4e2d\u56fd\u52a0\u5165 WTO \u4e4b\u524d\u662f\u5404\u4e2a\u56fd\u5bb6\u76f8\u4e92\u8d38\u6613，\u7ed3\u6784\u590d\u6742，\u73b0\u5728\u662f\u5404\u4e2a\u56fd\u5bb6\u901a\u8fc7 WTO \u6765\u4e92\u76f8\u8d38\u6613\u3002 2\u3001\u673a\u573a\u8c03\u5ea6\u7cfb\u7edf\u3002 3\u3001MVC \u6846\u67b6，\u5176\u4e2dC（\u63a7\u5236\u5668）\u5c31\u662f M（\u6a21\u578b）\u548c V（\u89c6\u56fe）\u7684\u4e2d\u4ecb\u8005\u3002<\/p>\n
\u4f18\u70b9： 1\u3001\u964d\u4f4e\u4e86\u7c7b\u7684\u590d\u6742\u5ea6，\u5c06\u4e00\u5bf9\u591a\u8f6c\u5316\u6210\u4e86\u4e00\u5bf9\u4e00\u3002 2\u3001\u5404\u4e2a\u7c7b\u4e4b\u95f4\u7684\u89e3\u8026\u3002 3\u3001\u7b26\u5408\u8fea\u7c73\u7279\u539f\u5219\u3002<\/p>\n
\u7f3a\u70b9：\u4e2d\u4ecb\u8005\u4f1a\u5e9e\u5927，\u53d8\u5f97\u590d\u6742\u96be\u4ee5\u7ef4\u62a4\u3002<\/p>\n
\u4f7f\u7528\u573a\u666f： 1\u3001\u7cfb\u7edf\u4e2d\u5bf9\u8c61\u4e4b\u95f4\u5b58\u5728\u6bd4\u8f83\u590d\u6742\u7684\u5f15\u7528\u5173\u7cfb，\u5bfc\u81f4\u5b83\u4eec\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u7ed3\u6784\u6df7\u4e71\u800c\u4e14\u96be\u4ee5\u590d\u7528\u8be5\u5bf9\u8c61\u3002 2\u3001\u60f3\u901a\u8fc7\u4e00\u4e2a\u4e2d\u95f4\u7c7b\u6765\u5c01\u88c5\u591a\u4e2a\u7c7b\u4e2d\u7684\u884c\u4e3a，\u800c\u53c8\u4e0d\u60f3\u751f\u6210\u592a\u591a\u7684\u5b50\u7c7b\u3002<\/p>\n
\u6ce8\u610f\u4e8b\u9879：\u4e0d\u5e94\u5f53\u5728\u804c\u8d23\u6df7\u4e71\u7684\u65f6\u5019\u4f7f\u7528\u3002<\/p>\n
\u6211\u4eec\u901a\u8fc7\u804a\u5929\u5ba4\u5b9e\u4f8b\u6765\u6f14\u793a\u4e2d\u4ecb\u8005\u6a21\u5f0f\u3002\u5b9e\u4f8b\u4e2d，\u591a\u4e2a\u7528\u6237\u53ef\u4ee5\u5411\u804a\u5929\u5ba4\u53d1\u9001\u6d88\u606f，\u804a\u5929\u5ba4\u5411\u6240\u6709\u7684\u7528\u6237\u663e\u793a\u6d88\u606f\u3002\u6211\u4eec\u5c06\u521b\u5efa\u4e24\u4e2a\u7c7b ChatRoom \u548c User\u3002User \u5bf9\u8c61\u4f7f\u7528 ChatRoom \u65b9\u6cd5\u6765\u5206\u4eab\u4ed6\u4eec\u7684\u6d88\u606f\u3002<\/p>\n
MediatorPatternDemo，\u6211\u4eec\u7684\u6f14\u793a\u7c7b\u4f7f\u7528 User \u5bf9\u8c61\u6765\u663e\u793a\u4ed6\u4eec\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<\/p>\n
<\/p>\n
\u521b\u5efa\u4e2d\u4ecb\u7c7b\u3002<\/p>\n
ChatRoom.java<\/p>\n
import java.util.Date;<\/p>\n
public class ChatRoom {
\n public static void showMessage(User user, String message){
\n System.out.println(new Date().toString()
\n + " [" + user.getName() +"] : " + message);
\n }
\n}<\/p>\n
\u521b\u5efa user \u7c7b\u3002<\/p>\n
User.java<\/p>\n
public class User {
\n private String name;<\/p>\n
public String getName() {
\n return name;
\n }<\/p>\n
public void setName(String name) {
\n this.name = name;
\n }<\/p>\n
public User(String name){
\n this.name = name;
\n }<\/p>\n
public void sendMessage(String message){
\n ChatRoom.showMessage(this,message);
\n }
\n}<\/p>\n
\u4f7f\u7528 User \u5bf9\u8c61\u6765\u663e\u793a\u4ed6\u4eec\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n
MediatorPatternDemo.java<\/p>\n
public class MediatorPatternDemo {
\n public static void main(String[] args) {
\n User robert = new User("Robert");
\n User john = new User("John");<\/p>\n
robert.sendMessage("Hi! John!");
\n john.sendMessage("Hello! Robert!");
\n }
\n}<\/p>\n
\u9a8c\u8bc1\u8f93\u51fa\u3002<\/p>\n
Thu Jan 31 16:05:46 IST 2013 [Robert] : Hi! John!
\nThu Jan 31 16:05:46 IST 2013 [John] : Hello! Robert!<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb3\u6b21\u3002\u7b2c\u5341\u4e5d\u8282 \u4e2d\u4ecb\u8005\u6a21\u5f0f<\/p>\n","protected":false},"author":2,"featured_media":51711,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[5129,2874],"topic":[],"class_list":["post-51712","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-5129","tag-2874"],"yoast_head":"\n