微服務：簡單服務提供者與服務消費者

1.服務提供者：被其他微服務調用的微服務

2.服務消費者：調用的其他微服務的微服務

【服務提供】provide：8080端口

@RestController
@RequestMapping("sysUserWeb2")
public class SysUserWeb2 {

    @Resource
    private  SysUserService2 SysUserService2;

    
    @RequestMapping("/getAll")
    @ResponseBody
    public List<SysUser>findAll2(){
        return SysUserService2.findAll2();
    }
    
    @RequestMapping("/findSysUserName")
    @ResponseBody
    public SysUser findSysUserName(String name){
        return SysUserService2.findSysUserName(name);
    }
    
}

【服務消費】customer ：8081端口

@RestController
public class Controller {
    
    @Autowired
    private RestTemplate restTemplate;
    
    @GetMapping("/findSysUserName/{name}")
    public SysUser  findSysUserName(@PathVariable String name){
        return restTemplate.getForObject("http://localhost:8080/sysUserWeb2/findSysUserName?name="+name, 

SysUser.class);
    }
}

@SpringBootApplication
public class SpringBooTemplateApplication {
    
    @Bean
    public RestTemplate  restTemplate(){
        return new RestTemplate();
    }

    public static void main(String[] args) {
        SpringApplication.run(SpringBootTemplateApplication.class, args);
    }
}

@GetMapping("/findSysUserName/{name}")

描述：出現於spring4.3之后，源碼中效果相當於：@RequestMapping(value="findSysUserName",method=RequestMethod.GET)