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luoxiang
56
spring-boot/spring-boot-websocket/pom.xml
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56
spring-boot/spring-boot-websocket/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.1.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.heibaiying</groupId>
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<artifactId>spring-boot-websocket</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>spring-boot-websocket</name>
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<description>Websocket project for Spring Boot</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-websocket</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-freemarker</artifactId>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.heibaiying.springboot;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringBootWebsocketApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringBootWebsocketApplication.class, args);
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}
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}
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package com.heibaiying.springboot.constant;
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import javax.websocket.Session;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* @author : 罗祥
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* @description :
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* @date :create in 2018/12/27
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*/
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public interface Constant {
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String USER_NAME="username";
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Map<String, Session> nameAndSession = new ConcurrentHashMap<>();
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}
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package com.heibaiying.springboot.controller;
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import com.heibaiying.springboot.constant.Constant;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import javax.servlet.http.HttpSession;
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/**
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* @author : 罗祥
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* @description : 简单登录
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* @date :create in 2018/12/27
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*/
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@Controller
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public class LoginController {
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@PostMapping("login")
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public String login(String username, HttpSession session) {
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session.setAttribute(Constant.USER_NAME, username);
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return "chat";
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}
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@GetMapping
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public String index() {
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return "index";
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}
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}
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package com.heibaiying.springboot.websocket;
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import com.heibaiying.springboot.constant.Constant;
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import org.springframework.stereotype.Component;
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import javax.websocket.OnClose;
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import javax.websocket.OnMessage;
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import javax.websocket.OnOpen;
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import javax.websocket.Session;
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import javax.websocket.server.PathParam;
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import javax.websocket.server.ServerEndpoint;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.net.URLDecoder;
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/**
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* @author : heibaiying
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*/
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@ServerEndpoint(value = "/socket/{username}")
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@Component
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public class ChatSocket {
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@OnOpen //建立连接时候触发
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public void onOpen(Session session, @PathParam("username") String username) {
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// 这个方法是线程不安全的
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Constant.nameAndSession.putIfAbsent(username, session);
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}
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@OnClose //关闭连接时候触发
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public void onClose(Session session, @PathParam("username") String username) {
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Constant.nameAndSession.remove(username);
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}
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@OnMessage //处理消息
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public void onMessage(Session session, String message, @PathParam("username") String username) throws UnsupportedEncodingException {
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// 防止中文乱码
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String msg = URLDecoder.decode(message, "utf-8");
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// 简单模拟群发消息
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Constant.nameAndSession.forEach((s, webSocketSession)
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-> {
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try {
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webSocketSession.getBasicRemote().sendText(username + " : " + msg);
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} catch (IOException e) {
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e.printStackTrace();
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}
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});
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}
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}
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package com.heibaiying.springboot.websocket;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.socket.server.standard.ServerEndpointExporter;
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/**
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* @author : heibaiying
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*/
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@Configuration
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public class WebSocketConfig {
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@Bean
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public ServerEndpointExporter serverEndpointExporter() {
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return new ServerEndpointExporter();
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}
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}
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@@ -0,0 +1,39 @@
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<!doctype html>
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<html lang="en">
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<head>
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<title>${Session["username"]}您好！欢迎进入群聊大厅！</title>
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</head>
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<body>
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<h5>${Session["username"]}您好！欢迎进入群聊大厅！</h5>
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<input id="message" type="text">
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<button id="btn">发送消息</button>
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<div id="show">
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</div>
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<script>
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let btn = document.getElementById("btn");
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let message = document.getElementById("message");
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let show = document.getElementById("show");
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let ws = new WebSocket("ws://localhost:8080/socket/${Session["username"]}");
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ws.onmessage = function (evt) {
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let node = document.createElement("div");
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node.innerHTML = "<h5>" + evt.data + "</h5>";
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show.appendChild(node);
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};
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btn.addEventListener("click", function () {
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let data = message.value;
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console.log(data);
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if (data) {
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ws.send(encodeURI(data));
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} else {
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alert("请输入消息后发送");
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}
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message.value = "";
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});
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// 关闭页面时候关闭ws
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window.addEventListener("beforeunload", function (event) {
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ws.close();
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});
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</script>
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</body>
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</html>
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@@ -0,0 +1,12 @@
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<!doctype html>
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<html lang="en">
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<head>
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<title>Title</title>
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</head>
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<body>
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<form action="/login" method="post">
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<input name="username" type="text">
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<button id="btn">输入临时用户名后登录！</button>
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</form>
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</body>
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</html>
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@@ -0,0 +1,17 @@
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package com.heibaiying.springboot;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.junit4.SpringRunner;
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@RunWith(SpringRunner.class)
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@SpringBootTest
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public class SpringBootWebsocketApplicationTests {
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@Test
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public void contextLoads() {
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}
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}
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