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{
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"label": "其他常用",
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"position": 5,
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"link": {
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"type": "generated-index"
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}
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}
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@@ -1,18 +0,0 @@
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---
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sidebar_position: 1
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---
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# 一些命令
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```shell title='在 Windows 环境下,项目打包成 zip 文件:'
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# rem 请将“my-site”替换为您想要命名的 zip 文件名称,这将创建一个名为 "my-site.zip" 的 zip 文件。
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powershell Compress-Archive -Path build -DestinationPath my-site.zip
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```
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```shell title='docusaurus 常用命令'
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pnpm run build # 构建
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pnpm run start # 启动
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pnpm run serve # 启动(服务模式)
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```
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{
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"label": "基础使用",
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"position": 2,
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"link": {
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"type": "generated-index",
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"description": "完成 ZHub 服务安装后,来看看一遍就会的基础使用文档~"
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}
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}
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@@ -1,32 +0,0 @@
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---
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sidebar_position: 3
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title: 广播消息
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description: 发送、接收广播消息
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---
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:::tip
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消息接收
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广播消息的消息接收,与主题消息、延时消息 api一致,且使用了相同 topic 命名空间
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- 消息接收
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- 广播消息发送
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:::
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## 消息接收
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> [广播消息接收](publish-subscribe.md#订阅主题消息)
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## 广播消息发送
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> 和发布订阅消息基本差不多
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```java
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private ZHubClient zhub;
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@RestMapping(name = "publish_test", auth = false, comment = "发送广播消息测试")
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public String publishTest(String value) {
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zhub.broadcast("topic-a", value);
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return "send ok!";
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}
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```
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@@ -1,60 +0,0 @@
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---
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sidebar_position: 0
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title: 创建连接
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description: 初始化客户端连接对象
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---
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:::tip
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目前已提供三种客户端连接使用
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- Java 项目
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- [普通 Java 项目](#java通用)
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- [使用 Redkale 的 Java 项目](#redkale框架-项目里面使用)
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- [Golang 项目](#golang-项目中使用)
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:::
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---
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## Java通用
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> 在Java 项目中引入 zhub-client.jar
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```java
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private ZHubClient zhub;
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@Before
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public void init() {
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// 参数说明:① ip:端⼝, ②消费者组名称, ③项⽬实例名(名称需全局唯⼀)④授权码
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zhub = new ZHubClient("127.0.0.1:6066", "test-hub", "DEV-LOCAL", "user@pwd123");
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}
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```
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---
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## Redkale框架 项目里面使用
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> 在Java的redkale 项目中引入 zhub-rekale.jar
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> 在配置文件中配置zhub组件
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```
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# source.properties 中配置
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############ ClusterSource @Resource(name="hub") ############
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redkale.cluster.zhub[hub].addr = 127.0.0.1:6066
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redkale.cluster.zhub[hub].auth = user@pwd123
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redkale.cluster.zhub[hub].groupid = test-hub
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```
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> 在 service 中注入组件
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>
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```java
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@Resource(name = "hub")
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protected ZHubClient zhub;
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```
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## Golang 项目中使用
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> 待补充
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---
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---
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sidebar_position: 2
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title: 延时消息
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description: zhub 的延时消息使用
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---
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:::tip
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首先完成 **[连接创建](create-connection.md)** ,便可进行**延时消息**的发送和接收,
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- [订阅主题消息](#订阅主题消息)
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- [发送延时消息](#发送延时消息)
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:::
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## 订阅主题消息
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> 见 [主题的订阅](publish-subscribe.md#订阅主题消息)
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## 发送延时消息
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> 参数说明:①主题名称 ②消息内容 ③延时多久,单位ms
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> zhub.delay("topic-delay-a", "delay-value", 1000);
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>
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示例代码:
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```java
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private ZHubClient zhub;
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@RestMapping(name = "delay_test", auth = false, comment = "发送延时主题消息测试")
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public String delayTest(String value) {
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zhub.delay("topic-delay-a", "delay-value", 1000);
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return "send ok!";
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}
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```
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---
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sidebar_position: 1
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title: 订阅&发布
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description: zhub 创建客户端连接、订阅主题、发送主题消息
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---
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:::tip
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发布-订阅(Publish-Subscribe):消息中间件可以用于实现发布-订阅模式。发布者将消息发布到一个或多个主题(Topic),而订阅者订阅感兴趣的主题。当有新的消息发布到主题时,所有订阅了该主题的订阅者都会接收到消息。这样可以实现一对多的消息传递,降低发送方和接收方之间的耦合性。
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首先完成 **[连接创建](create-connection.md)** ,便可进行消息的发送和接收,
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- [订阅主题消息](#订阅主题消息)
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- [发送主题消息](#发送主题消息)
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:::
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## 订阅主题消息
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```java
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// 事件订阅
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zhub.subscribe("topic-a", x -> {
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System.out.println("接收到主题 topic-a 事件,消息内容:" + x);
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});
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```
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## 发送主题消息
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测试发送主题消息
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```java
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private ZHubClient zhub;
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@RestMapping(name = "publish_test", auth = false, comment = "发送主题消息测试")
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public String publishTest(String value) {
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zhub.publish("topic-a", value);
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return "send ok!";
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}
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```
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这个时候,将会在订阅端收到主题订阅消息,并在控制台输出: `接收到主题 topic-a 事件,消息内容:xx` 的消息内容
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{
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"label": "其他组件",
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"position": 3,
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"link": {
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"type": "generated-index"
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}
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}
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---
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sidebar_position: 2
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---
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# 分布式锁
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---
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sidebar_position: 1
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---
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# RPC远程调用
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#
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---
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sidebar_position: 2
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---
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# 定时调度
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Reference in New Issue
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