从0到1 手把手搭建spring cloud alibaba 微服务大型应用框架（八）saas平台篇-解决不同租户针定制化开发问题(2) -挂载自定义登陆以及业务端完整代码

package com.minicloud.busi.login.controller;
import com.minicloud.busi.login.service.TanentLoginService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.Optional;
@RestController
@RequestMapping("/tanent")
public class TanentLoginController {
    @Autowired
    private TanentLoginService tanentLoginService;
    @PostMapping("/login")
    public ResponseEntity tanentLogin(@RequestParam("username") String username, @RequestParam("password") String password) throws Exception {
        return ResponseEntity.of(Optional.of(tanentLoginService.login(username, password)));
    }
}

@Service
public class TanentLoginServiceImpl implements TanentLoginService {
    @Autowired
    private DiscoveryClient discoveryClient;
    @Value("${tanent.login.scope}")
    private String scope;
    @Value("${tanent.login.grant_type}")
    private String grantType;
    @Value("${tanent.login.client_id}")
    private String clientId;
    @Value("${tanent.login.client_secret}")
    private String clientSecret;
    @Override
    public String login(String username, String password) throws Exception {
        List<ServiceInstance> serviceInstances =   discoveryClient.getInstances("mini-cloud-authentication-center");
        for(ServiceInstance serviceInstance:serviceInstances){
           String response =  login(username,password,serviceInstance);
           if(null != response){
               return response;
           }
        }
        throw new Exception("null auth instance could be used");
    }
    private String login(String username, String password, ServiceInstance serviceInstance) {
        try {
            String url = "http://"+serviceInstance.getHost()+":"+serviceInstance.getPort()+"/oauth/token";
            Map map = MapUtil.builder().
                    put("username",username).
                    put("password",password).
                    put("scope",scope).
                    put("grant_type",grantType).
                    put("client_id",clientId).
                    put("client_secret",clientSecret).build();
            HttpRequest httpRequest = HttpRequest.post(url).form(map);
            return httpRequest.execute().body();
        }catch (Exception e){
            e.printStackTrace();
        }
        return null;
    }
}

server:
  port: 7500
  tomcat:
    uri-encoding: UTF-8
    threads:
      max: 500
    max-connections: 10240
    accept-count: 500
spring:
  application:
    name: @artifactId@
  cloud:
    nacos:
      discovery:
        server-addr: ${NACOS_HOST:mini-cloud-resiger}:${NACOS_PORT:8848}
        metadata:
          version: wl
      config:
        server-addr: ${spring.cloud.nacos.discovery.server-addr}
        file-extension: yml
        shared-configs:
          - application-${spring.profiles.active}.${spring.cloud.nacos.config.file-extension}
  profiles:
    active: @profiles.active@