SpringBoot学习笔记:http接口请求

  controller

  package com.example.demo.controller;

  import java.util.HashMap;

  import java.util.Map;

  import org.apache.catalina.servlet4preview.http.HttpServletRequest;

  import org.springframework.web.bind.annotation.GetMapping;

  import org.springframework.web.bind.annotation.PathVariable;

  import org.springframework.web.bind.annotation.RequestBody;

  import org.springframework.web.bind.annotation.RequestHeader;

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

  import org.springframework.web.bind.annotation.RequestMethod;

  import org.springframework.web.bind.annotation.RequestParam;

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

  import com.example.demo.domain.User;

  @RestController

  @RequestMapping("/get")

  public class GetController {

  Map result = new HashMap();

  /**

  * 测试GET请求1

  * @return

  */

  @RequestMapping(path="/test1", method=RequestMethod.GET)

  public String test1() {

  return "test1...";

  }

  /**

  * 测试GET请求2(使用GetMapping简写)

  * @return

  */

  @GetMapping("/test2")

  public String test2(){

  return "test2...";

  }

  /**

  * 测试GET请求参数传递及默认值

  * @return

  */

  @GetMapping("/test3")

  public Object test3(@RequestParam(defaultValue="0",name="a") int a, int b){

  result.clear();

  result.put("a", a);

  result.put("b", b);

  return result;

  }

  /**

  * 测试restful协议,从路径中获取字段

  * @param cityId

  * @param userId

  * @return

  */

  @GetMapping("/{city_id}/{user_id}")

  public Object findUser(@PathVariable("city_id") String cityId,

  @PathVariable("user_id") String userId) {

  result.clear();

  result.put("cityId", cityId);

  result.put("userId", userId);

  return result;

  }

  /**

  * Bean对象传参

  * 注意:1、要指定http请求头content-type为application/json

  * 2、使用body传输数据

  * @param user

  * @return。

  */

  @GetMapping("/saveuser")

  public Object savaUser(@RequestBody User user){

  result.clear();

  result.put("user", user);

  return result;

  }

  /**

  * 获取http请求头部信息

  * @param accessToken

  * @param contentType

  * @return

  */

  @GetMapping("/headerinfo")

  public Object headerinfo(@RequestHeader("access_token") String accessToken,

  @RequestHeader("Content-Type") String contentType) {

  result.clear();

  result.put("access_token", accessToken);

  result.put("content_type", contentType);

  return result;

  }

  /**

  * 获取request对象传递的参数

  * @param request

  * @return

  */

  @GetMapping("/requestparams")

  public Object requestparams(HttpServletRequest request){

  result.clear();

  result.put("param1", request.getParameter("param1"));

  return result;

  }

  }

  User实体类

  package com.example.demo.domain;

  import java.util.Date;

  import com.fasterxml.jackson.annotation.JsonFormat;

  import com.fasterxml.jackson.annotation.JsonIgnore;

  import com.fasterxml.jackson.annotation.JsonInclude;

  import com.fasterxml.jackson.annotation.JsonInclude.Include;

  import com.fasterxml.jackson.annotation.JsonProperty;

  public class User {

  @JsonProperty("name")

  private String username;

  @JsonIgnore

  private String userid;

  @JsonIgnore

  private String password;

  @JsonInclude(Include.NON_NULL)

  private Integer age;

  @JsonInclude(Include.NON_NULL)

  @JsonFormat(pattern="yyyy-MM-dd hh:mm:ss", locale="zh", timezone="GMT+8")

  private Date createTime;

  public User() {

  super();

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  public User(String username, String userid, String password, Integer age, Date createTime) {

  super();

  this.username = username;

  this.userid = userid;

  this.password = password;

  this.age = age;

  this.createTime = createTime;

  }

  public String getUsername() {

  return username;

  }

  public void setUsername(String username) {

  this.username = username;

  }

  public String getUserid() {

  return userid;

  }

  public void setUserid(String userid) {

  this.userid = userid;

  }

  public String getPassword() {

  return password;

  }

  public void setPassword(String password) {

  this.password = password;

  }

  public Integer getAge() {

  return age;

  }

  public void setAge(Integer age) {

  this.age = age;

  }

  public Date getCreateTime() {

  return createTime;

  }

  public void setCreateTime(Date createTime) {

  this.createTime = createTime;

  }

  }

原文地址:https://www.cnblogs.com/djw12333/p/12011409.html