From 7ec7fc1e4fdeacb0acc178a2b9269da377b47e3e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=8B=E5=BA=8F=E5=91=98=E5=B0=8F=E5=A2=A8?=
 <2291200076@qq.com>
Date: Sun, 6 Nov 2022 00:18:46 +0800
Subject: [PATCH] =?UTF-8?q?Gateway=E9=85=8D=E7=BD=AE=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md                                     |  4 +++
 backend/.idea/runConfigurations/Gateway.xml   | 16 ++++++++++++
 backend/microservice-gateway/pom.xml          |  1 +
 .../cxyxiaomo/epp/controller/Controller.java  | 13 ++++++++++
 .../src/main/resources/application.yml        | 26 ++++++++++++++++---
 .../epp/controller/TestController.java        | 11 ++++++++
 6 files changed, 68 insertions(+), 3 deletions(-)
 create mode 100644 backend/.idea/runConfigurations/Gateway.xml
 create mode 100644 backend/microservice-gateway/src/main/java/com/cxyxiaomo/epp/controller/Controller.java

diff --git a/README.md b/README.md
index f83e2de..17c1d3e 100644
--- a/README.md
+++ b/README.md
@@ -283,6 +283,10 @@ Spring initializr：https://start.spring.io/
 
 https://start.spring.io/#!type=maven-project&language=java&platformVersion=2.7.5&packaging=jar&jvmVersion=11&groupId=com.cxyxiaomo&artifactId=entrance&name=Epidemic%20prevention%20platform&description=&packageName=com.cxyxiaomo.entrance&dependencies=lombok,mysql,mybatis
 
+##### Gateway
+
+B站教程：https://www.bilibili.com/video/BV1JB4y1F7aL
+
 #### Maven
 
 MVN REPOSITORY：https://mvnrepository.com/
diff --git a/backend/.idea/runConfigurations/Gateway.xml b/backend/.idea/runConfigurations/Gateway.xml
new file mode 100644
index 0000000..e762fa3
--- /dev/null
+++ b/backend/.idea/runConfigurations/Gateway.xml
@@ -0,0 +1,16 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Gateway" type="SpringBootApplicationConfigurationType" factoryName="Spring Boot" nameIsGenerated="true">
+    <option name="ACTIVE_PROFILES" />
+    <module name="microservice-gateway" />
+    <option name="SPRING_BOOT_MAIN_CLASS" value="com.cxyxiaomo.epp.Gateway" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="com.cxyxiaomo.epp.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/backend/microservice-gateway/pom.xml b/backend/microservice-gateway/pom.xml
index 33b6cff..66749a7 100644
--- a/backend/microservice-gateway/pom.xml
+++ b/backend/microservice-gateway/pom.xml
@@ -27,6 +27,7 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-gateway</artifactId>
         </dependency>
+        <!--客户端负载均衡loadbalancer-->
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-loadbalancer</artifactId>
diff --git a/backend/microservice-gateway/src/main/java/com/cxyxiaomo/epp/controller/Controller.java b/backend/microservice-gateway/src/main/java/com/cxyxiaomo/epp/controller/Controller.java
new file mode 100644
index 0000000..a47e047
--- /dev/null
+++ b/backend/microservice-gateway/src/main/java/com/cxyxiaomo/epp/controller/Controller.java
@@ -0,0 +1,13 @@
+package com.cxyxiaomo.epp.controller;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class Controller {
+
+    @RequestMapping("/error")
+    public String error() {
+        return "[ERROR] 500 Internal Server Error";
+    }
+}
diff --git a/backend/microservice-gateway/src/main/resources/application.yml b/backend/microservice-gateway/src/main/resources/application.yml
index b7f4f95..38d4d54 100644
--- a/backend/microservice-gateway/src/main/resources/application.yml
+++ b/backend/microservice-gateway/src/main/resources/application.yml
@@ -15,7 +15,27 @@ spring:
           enabled: true
           lower-case-service-id: true
       routes:
-        - id: test
-          uri: lb://microservice-provider-test-8011
+        - id: test1
+          uri: lb://microservice-provider-test
           predicates:
-            - Path=/test/**
+            - Path=/test/**,/test1/**
+            - Method=GET,POST
+          filters:
+            - StripPrefix=1 # 跳过第一段 /test
+
+        - id: test2
+          uri: lb://microservice-provider-test
+          predicates:
+            - Path=/test2/{routes}
+          filters:
+            - SetPath=/hi/{routes}
+
+        - id: test3
+          uri: lb://microservice-provider-test
+          predicates:
+            - Path=/test3/**
+          filters:
+            - name: RedirectTo
+              args:
+                status: 302
+                url: https://www.baidu.com/?wd=
diff --git a/backend/microservice-provider-test-8011/src/main/java/com/cxyxiaomo/epp/controller/TestController.java b/backend/microservice-provider-test-8011/src/main/java/com/cxyxiaomo/epp/controller/TestController.java
index 69770d6..81a1d7f 100644
--- a/backend/microservice-provider-test-8011/src/main/java/com/cxyxiaomo/epp/controller/TestController.java
+++ b/backend/microservice-provider-test-8011/src/main/java/com/cxyxiaomo/epp/controller/TestController.java
@@ -3,6 +3,7 @@ package com.cxyxiaomo.epp.controller;
 // 提供 restful 服务
 
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
@@ -11,4 +12,14 @@ public class TestController {
     public String helloWorld() {
         return "Hello World!";
     }
+
+    @GetMapping("/error")
+    public String error() throws Exception {
+        throw new Exception("这是一个异常");
+    }
+
+    @GetMapping("/hi/{id}")
+    public String hi(@PathVariable("id") String id) {
+        return id;
+    }
 }