springboot返回的json数据
程序员文章站
2022-06-17 11:32:40
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1.搭建好springboot框架(可参考springboot入门)
2.新建一个pojo类,用来封装测试数据
public class City {
private Long id;
private Long provinceId;
private String cityName;
private String description;
...
}
private Long id;
private Long provinceId;
private String cityName;
private String description;
...
}
3.编写controller层,请求映射
@RequestMapping("/city") public City getCity(){ City c = new City(); c.setId(1L); c.setProvinceId(021L); c.setCityName("上海"); c.setDescription("国际化大都市"); return c; }
4.测试(由于没有写请求方式,springboot默认采用get请求),浏览器地址栏输入
http://localhost:8080/city
结论:
(1)springboot 使用@RestController默认返回的数据类型是json
(2) springboot默认的请求方式为get (地址栏请求可知)