RestTemplate get 方式，getForObject 请求时带有参数的6种情况

https://www.bilibili.com/video/BV1AN411Z7mx?p=9

Application Service 中的 DemoController.java

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class DemoController {

    @RequestMapping("/demo2")
    public String demo2(String name, Integer age) {
        return "name:" + name + ",age:" + age;
    }

}