SpringBoot集成Eurake、Gateway和Redis+Token验证拦截器实现

小鱼儿 2023-10-06 08:29 48阅读 0赞

# SpringBoot聚合项目配置Eurake和Gateway #

本文简单说名了Eurake、Gateway和Redis的配置及使用，聚合项目内相关包未做精简规划，Pom配置仅供参考  
Redis默认只允许本机IP访问，如果测试时Redis安装地址与项目地址不一致，需要修改Redis配置文件，详细说明参考另一篇Redis安装教程即可

## 一、版本信息： ##

1.      SpringBoot		<version>2.2.6.RELEASE</version>
2.      SpringCloud	<spring-cloud.version>Hoxton.SR1</spring-cloud.version>
3.      项目目录如图：
    
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70]

## 二、开始配置一个聚合项目 ##

1.先建一个父级工程：

最终pom.xml配置如下：

2.新建一个Eurake子工程

如图，右键父项目New-Module  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 1]  
Pom文件如下：

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    	<modelVersion>4.0.0</modelVersion>
    	<parent>
    		<groupId>org.springframework.boot</groupId>
    		<artifactId>spring-boot-starter-parent</artifactId>
    		<version>2.2.6.RELEASE</version>
    		<relativePath/> 
    	</parent>
    	<groupId>com.demo</groupId>
    	<artifactId>zhx-eurake</artifactId>
    	<version>0.0.1-SNAPSHOT</version>
    	<name>zhx-eurake</name>
    	<description>Demo project for Spring Boot</description>
    
    	<properties>
    		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    		<java.version>1.8</java.version>
    		<spring-cloud.version>Hoxton.SR1</spring-cloud.version>
    	</properties>
    
    	<dependencies>
    		
    		<dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-autoconfigure</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-web</artifactId>
    		</dependency>
    
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-test</artifactId>
    			<scope>test</scope>
    			<exclusions>
    				<exclusion>
    					<groupId>org.junit.vintage</groupId>
    					<artifactId>junit-vintage-engine</artifactId>
    				</exclusion>
    			</exclusions>
    		</dependency>
    	</dependencies>
    	<dependencyManagement>
    		<dependencies>
    			<dependency>
    				<groupId>org.springframework.cloud</groupId>
    				<artifactId>spring-cloud-dependencies</artifactId>
    				<version>${spring-cloud.version}</version>
    				<type>pom</type>
    				<scope>import</scope>
    			</dependency>
    		</dependencies>
    	</dependencyManagement>
    	<build>
    		<plugins>
    			<plugin>
    				<groupId>org.springframework.boot</groupId>
    				<artifactId>spring-boot-maven-plugin</artifactId>
    			</plugin>
    		</plugins>
    	</build>
    	<repositories>
    		<repository>
    			<id>spring-milestones</id>
    			<name>Spring Milestones</name>
    			<url>https://repo.spring.io/milestone</url>
    			<snapshots>
    				<enabled>false</enabled>
    			</snapshots>
    		</repository>
    	</repositories>
    </project>

配置文件：

server:
      port: 8082 #服务注册中心端口号
    
    spring:
      application:
        name: zhx-eurake
    
    eureka:
      instance:
        hostname: 127.0.0.1 #服务注册中心IP地址
      client:
        registerWithEureka: true #是否向服务注册中心注册自己
        fetchRegistry: false #是否检索服务
        serviceUrl: #服务注册中心的配置内容，指定服务注册中心的位置
          defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
      server:
        renewal-percent-threshold: 0.5 #留存的服务示例低于多少比例进入保护模式
        enable-self-preservation: true #是否开启保护模式

启动类要加上Eureka注解

package com.demo.eurake;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
    
    /**
     * 启动一个服务注册中心
     */
    @EnableEurekaServer
    @SpringBootApplication
    public class ZhxEurakeApplication {
    
    	public static void main(String[] args) {
    		SpringApplication.run(ZhxEurakeApplication.class, args);
    	}
    
    }

3.再建一个Gateway子工程

Pom文件如下：

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    	<modelVersion>4.0.0</modelVersion>
    	<parent>
    		<groupId>org.springframework.boot</groupId>
    		<artifactId>spring-boot-starter-parent</artifactId>
    		<version>2.2.6.RELEASE</version>
    		<relativePath/> 
    	</parent>
    	<groupId>com.demo</groupId>
    	<artifactId>zhx-gateway</artifactId>
    	<version>0.0.1-SNAPSHOT</version>
    	<name>zhx-gateway</name>
    	<description>Demo project for Spring Boot</description>
    
    	<properties>
    		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    		<spring-cloud.version>Hoxton.SR1</spring-cloud.version>
    		<java.version>1.8</java.version>
    	</properties>
    
    	<dependencies>
    		<dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-gateway</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-webflux</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-data-redis</artifactId>
    		</dependency>
    		
    		<dependency>
    			<groupId>com.alibaba</groupId>
    			<artifactId>fastjson</artifactId>
    			<version>1.2.41</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
    		</dependency>
    
    		<dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-web</artifactId>
    			<exclusions>
    				<exclusion>
    					<groupId>org.springframework.boot</groupId>
    					<artifactId>spring-boot-starter-tomcat</artifactId>
    				</exclusion>
    			</exclusions>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-test</artifactId>
    			<scope>test</scope>
    			<exclusions>
    				<exclusion>
    					<groupId>org.junit.vintage</groupId>
    					<artifactId>junit-vintage-engine</artifactId>
    				</exclusion>
    			</exclusions>
    		</dependency>
    
    	</dependencies>
    	<dependencyManagement>
    		<dependencies>
    			<dependency>
    				<groupId>org.springframework.cloud</groupId>
    				<artifactId>spring-cloud-dependencies</artifactId>
    				<version>${spring-cloud.version}</version>
    				<type>pom</type>
    				<scope>import</scope>
    			</dependency>
    		</dependencies>
    	</dependencyManagement>
    	<build>
    		<plugins>
    			<plugin>
    				<groupId>org.springframework.boot</groupId>
    				<artifactId>spring-boot-maven-plugin</artifactId>
    			</plugin>
    		</plugins>
    	</build>
    
    </project>

配置文件如下：

server:
      port: 8081 #端口
    spring:
      application:
        name: zhx-gateway
      redis:
        # Redis数据库索引（默认为0）
        database: 10
        # Redis服务器地址
        host: 192.168.31.62
        # Redis服务器连接端口
        port: 6379
        # Redis服务器连接密码（默认为空）
        password:
        timeout: 100
        pool:
          # 连接池最大连接数（使用负值表示没有限制）
          max-active: 8
          # 连接池最大阻塞等待时间（使用负值表示没有限制）
          max-wait: -1
          # 连接池中的最大空闲连接
          max-idle: 8
          # 连接池中的最小空闲连接
          min-idle: 0
          # 连接超时时间（毫秒）
          timeout: 100
      cloud:
        gateway:
          discovery:
            locator:
              enable: true
          #配置路由规则
          routes:
            - id: eurake
              uri: lb://ZHX-EURAKE            #eureka注册中心存在的服务名称
              predicates:
                - Path=/eurake/**             #路径配置
              filters:
                - StripPrefix=1
            - id: license
              uri: lb://ZHX-LICENSE
              predicates:
                - Path=/license/**
              filters:
                - StripPrefix=1
            - id: 163                        #网关路由到网易官网
              uri: http://www.163.com/
              predicates:
                - Path=/163/**
              filters:
                - StripPrefix=1  #忽略Path配置的个数，此处为1代表访问/api/customer/**时，会将api忽略，真实的访问地址为lb://customer-center/customer/**,如果为2，则为lb://customer-center/**
                #- Authorize=true #启用过滤器 Authorize为过滤类的前缀
    feign:
      hystrix:
       enabled: false
    
    eureka:
      instance:
        prefer-ip-address: true
      client:
        service-url:
          defaultZone: http://localhost:8082/eureka/ #注册中心地址

拦截器类：

package com.demo.gateway.filter;
    
    import com.alibaba.fastjson.JSONObject;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.cloud.gateway.filter.GatewayFilterChain;
    import org.springframework.cloud.gateway.filter.GlobalFilter;
    import org.springframework.core.Ordered;
    import org.springframework.core.io.buffer.DataBuffer;
    import org.springframework.data.redis.core.StringRedisTemplate;
    import org.springframework.http.HttpHeaders;
    import org.springframework.http.HttpStatus;
    import org.springframework.http.server.reactive.ServerHttpRequest;
    import org.springframework.http.server.reactive.ServerHttpResponse;
    import org.springframework.stereotype.Component;
    import org.springframework.web.server.ServerWebExchange;
    import reactor.core.publisher.Mono;
    
    import java.nio.charset.StandardCharsets;
    
    /**
     * @author
     * @ClassName AuthorizeFilter
     * @Description 全局token校验器
     * @Date 2019-06-05 14:09
     * @Version 1.0
     */
    @Component
    public class GatewayFilter implements GlobalFilter, Ordered {
    
        private static final String AUTHORIZE_TOKEN="Authorization";
    
        @Autowired
        private StringRedisTemplate stringRedisTemplate;
    
        @Override
        public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
    
            String url_1 = "/Login";
            String url = exchange.getRequest().getURI() + "";
    
            if(url.contains(url_1)){
                return chain.filter(exchange);
            }
    
            ServerHttpRequest request = exchange.getRequest();
            HttpHeaders headers = request.getHeaders();
            String token = headers.getFirst(AUTHORIZE_TOKEN);
            if (!stringRedisTemplate.hasKey(token)){
                ServerHttpResponse response = exchange.getResponse();
                JSONObject message = new JSONObject();
                message.put("status", -1);
                message.put("data", "鉴权失败");
                byte[] bits = message.toJSONString().getBytes(StandardCharsets.UTF_8);
                DataBuffer buffer = response.bufferFactory().wrap(bits);
                response.setStatusCode(HttpStatus.UNAUTHORIZED);
                //指定编码，否则在浏览器中会中文乱码
                response.getHeaders().add("Content-Type", "text/plain;charset=UTF-8");
                return response.writeWith(Mono.just(buffer));
            }
            return chain.filter(exchange);
        }
    
        @Override
        public int getOrder() {
            return 0;
        }
    }

启动类：

package com.demo.gateway;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @EnableDiscoveryClient
    @SpringBootApplication
    public class ZhxGatewayApplication {
    
    	public static void main(String[] args) {
    		SpringApplication.run(ZhxGatewayApplication.class, args);
    	}
    
    }

4.增加一个登陆模块!\[在这里插入图片描述\](https://img-blog.csdnimg.cn/2020050622054755.png?x-oss-  
Pom文件：

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    	<modelVersion>4.0.0</modelVersion>
    	<parent>
    		<groupId>org.springframework.boot</groupId>
    		<artifactId>spring-boot-starter-parent</artifactId>
    		<version>2.2.6.RELEASE</version>
    		<relativePath/> 
    	</parent>
    	<groupId>com.license</groupId>
    	<artifactId>zhx-license</artifactId>
    	<version>0.0.1-SNAPSHOT</version>
    	<name>zhx-license</name>
    	<description>Demo project for Spring Boot</description>
    
    	<properties>
    		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    		<spring-cloud.version>Hoxton.SR1</spring-cloud.version>
    		<java.version>1.8</java.version>
    	</properties>
    
    	<dependencies>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-web</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-data-redis</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-autoconfigure</artifactId>
    		</dependency><dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-test</artifactId>
    			<scope>test</scope>
    			<exclusions>
    				<exclusion>
    					<groupId>org.junit.vintage</groupId>
    					<artifactId>junit-vintage-engine</artifactId>
    				</exclusion>
    			</exclusions>
    		</dependency>
    	</dependencies>
    	<dependencyManagement>
    		<dependencies>
    			<dependency>
    				<groupId>org.springframework.cloud</groupId>
    				<artifactId>spring-cloud-dependencies</artifactId>
    				<version>${spring-cloud.version}</version>
    				<type>pom</type>
    				<scope>import</scope>
    			</dependency>
    		</dependencies>
    	</dependencyManagement>
    
    	<build>
    		<plugins>
    			<plugin>
    				<groupId>org.springframework.boot</groupId>
    				<artifactId>spring-boot-maven-plugin</artifactId>
    			</plugin>
    		</plugins>
    	</build>
    
    </project>

配置文件如下：

server:
      port: 8083
    
    spring:
      application:
        name: zhx-license
      redis:
        # Redis数据库索引（默认为0）
        database: 10
        # Redis服务器地址
        host: 192.168.31.62
        # Redis服务器连接端口
        port: 6379
        # Redis服务器连接密码（默认为空）
        password:
        timeout: 100
        pool:
          # 连接池最大连接数（使用负值表示没有限制）
          max-active: 8
          # 连接池最大阻塞等待时间（使用负值表示没有限制）
          max-wait: -1
          # 连接池中的最大空闲连接
          max-idle: 8
          # 连接池中的最小空闲连接
          min-idle: 0
          # 连接超时时间（毫秒）
          timeout: 100
    
    eureka:
      instance:
        prefer-ip-address: true
      client:
        service-url:
          defaultZone: http://localhost:8082/eureka/ #注册中心地址

登录和退出类：

package com.license.java.controller.login;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.data.redis.core.StringRedisTemplate;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import javax.servlet.http.HttpServletRequest;
    
    @RestController
    @RequestMapping("/user")
    public class LoginController {
    
        @Autowired
        private StringRedisTemplate stringRedisTemplate;
    
    
        @GetMapping("/Login")
        public String Login(String userName,String password){
    
            stringRedisTemplate.opsForValue().set(userName,password);
    
            return "登陆成功";
        }
    
        @GetMapping("/Logout")
        public String Logout(HttpServletRequest request){
    
            String token = request.getHeader("Authorization");
            stringRedisTemplate.delete(token);
            return "退出成功";
        }
    
    
    }

启动类：

package com.license.java;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @EnableDiscoveryClient
    @SpringBootApplication
    public class ZhxLicenseApplication {
    
    	public static void main(String[] args) {
    		SpringApplication.run(ZhxLicenseApplication.class, args);
    	}
    
    }

# 三、测试 #

1.打开浏览器并访问：[http://127.0.0.1:8082/][http_127.0.0.1_8082]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 2]  
2.用Gateway转发的路径访问：[http://localhost:8081/eurake/][http_localhost_8081_eurake]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 3]  
3.用Postman进行登录、退出测试

将zhx存入Authorization  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 4]  
用其他账号退出，鉴权失败：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 5]  
用zhx账号退出，成功并从Redis删除zhx记录：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 6]  
重复退出，由于登录信息已删除，则返回鉴权失败：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 7]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200512000151197.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ==,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/2020050622054755.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ==,size_16,color_FFFFFF,t_70
[http_127.0.0.1_8082]: http://127.0.0.1:8082/
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20200506214725449.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjE3NjYzOQ==,size_16,color_FFFFFF,t_70
[http_localhost_8081_eurake]: http://localhost:8081/eurake/
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