SpringCloud - Zuul（三）（中）

spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    username: root
    password: 123456
    url: jdbc:mysql://127.0.0.1:3306/SpringCloud_Sell?characterEncoding=utf-8&useSSL=false
  redis:
    host: 127.0.0.1
    port: 6379

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

package com.imooc.user.controller;
import com.imooc.user.VO.ResultVO;
import com.imooc.user.constant.CookieConstant;
import com.imooc.user.constant.RedisConstant;
import com.imooc.user.dataobject.UserInfo;
import com.imooc.user.enums.ResultEnum;
import com.imooc.user.enums.RoleEnum;
import com.imooc.user.service.UserService;
import com.imooc.user.utils.CookieUtil;
import com.imooc.user.utils.ResultVOUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
@RestController
@RequestMapping("/login")
public class LoginController {
  @Autowired
  private UserService userService;
  @Autowired
  private StringRedisTemplate stringRedisTemplate;
  /**
   * 买家登录
   * @param openid
   * @param response
   * @return
   */
  @GetMapping("/buyer")
  public ResultVO buyer(@RequestParam("openid") String openid,
              HttpServletResponse response) {
    //1. openid和数据库里的数据是否匹配
    UserInfo userInfo = userService.findByOpenid(openid);
    if (userInfo == null) {
      return ResultVOUtil.error(ResultEnum.LOGIN_FAIL);
    }
    //2. 判断角色
    if (RoleEnum.BUYER.getCode() != userInfo.getRole()) {
      return ResultVOUtil.error(ResultEnum.ROLE_ERROR);
    }
    //3. cookie里设置openid=abc
    CookieUtil.set(response, CookieConstant.OPENID, openid, CookieConstant.expire);
    return ResultVOUtil.success();
  }
  @GetMapping("/seller")
  public ResultVO seller(@RequestParam("openid") String openid,
              HttpServletRequest request,
              HttpServletResponse response) {
    //判断是否已登录
    Cookie cookie = CookieUtil.get(request, CookieConstant.TOKEN);
    if (cookie != null &&
        !StringUtils.isEmpty(stringRedisTemplate.opsForValue().get(String.format(RedisConstant.TOKEN_TEMPLATE, cookie.getValue())))) {
      return ResultVOUtil.success();
    }
    //1. openid和数据库里的数据是否匹配
    UserInfo userInfo = userService.findByOpenid(openid);
    if (userInfo == null) {
      return ResultVOUtil.error(ResultEnum.LOGIN_FAIL);
    }
    //2. 判断角色
    if (RoleEnum.SELLER.getCode() != userInfo.getRole()) {
      return ResultVOUtil.error(ResultEnum.ROLE_ERROR);
    }
    //3. redis设置key=UUID, value=xyz
    String token = UUID.randomUUID().toString();
    Integer expire = CookieConstant.expire;
    stringRedisTemplate.opsForValue().set(String.format(RedisConstant.TOKEN_TEMPLATE, token),
        openid,
        expire,
        TimeUnit.SECONDS);
    //4. cookie里设置token=UUID
    CookieUtil.set(response, CookieConstant.TOKEN, token, CookieConstant.expire);
    return ResultVOUtil.success();
  }
}

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.imooc</groupId>
  <artifactId>api-gateway</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>
  <name>api-gateway</name>
  <description>Demo project for Spring Boot</description>
  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.0.M3</version>
    <relativePath/> <!-- lookup parent from repository -->
  </parent>
  <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>Finchley.M2</spring-cloud.version>
  </properties>
  <dependencies>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-config</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-zuul</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </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-snapshots</id>
      <name>Spring Snapshots</name>
      <url>https://repo.spring.io/snapshot</url>
      <snapshots>
        <enabled>true</enabled>
      </snapshots>
    </repository>
    <repository>
      <id>spring-milestones</id>
      <name>Spring Milestones</name>
      <url>https://repo.spring.io/milestone</url>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
    </repository>
  </repositories>
  <pluginRepositories>
    <pluginRepository>
      <id>spring-snapshots</id>
      <name>Spring Snapshots</name>
      <url>https://repo.spring.io/snapshot</url>
      <snapshots>
        <enabled>true</enabled>
      </snapshots>
    </pluginRepository>
    <pluginRepository>
      <id>spring-milestones</id>
      <name>Spring Milestones</name>
      <url>https://repo.spring.io/milestone</url>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
    </pluginRepository>
  </pluginRepositories>
</project>