| title | date | tags | |
|---|---|---|---|
RestTemplate封装 |
2020-03-23 13:53:01 -0700 |
|
- json
//1、post请求json数据
@PostMapping(value = "/post/json")
public User postJsonData(@RequestBody User user, HttpServletRequest request) {
}- form
//2、post请求form数据
@PostMapping(value = "/post/form")
public User postParamsData(@RequestParam Long id, @RequestParam String name,
@RequestParam String pass, HttpServletRequest request) {
}- file
//3、post请求file数据
@PostMapping(value = "/post/file")
public FileData postFileData(@RequestParam("file") MultipartFile uploadFile, HttpServletRequest request) {
}- path
//4、get请求path数据
@GetMapping(value = "/get/path/{page}/{size}")
public Map<String, Object> getPathData(@PathVariable(value = "page") Integer page,
@PathVariable(value = "size") Integer size, HttpServletRequest request) {
}- params
//5、get请求params数据
@GetMapping(value = "/get/params")
public User getParamsData(@RequestParam Long id, @RequestParam String name,
@RequestParam String pass, HttpServletRequest request) {
}- object params
//6、get请求object params数据
@GetMapping(value = "/get/object/params")
public User getParamsObjectData(User user, HttpServletRequest request) {
}- path
//7、put请求path数据
@PutMapping(value = "/put/path/{id}")
public User putPathData(@PathVariable Long id, HttpServletRequest request) {
}- form
//8、put请求form数据
@PutMapping(value = "/put/form")
public User putParamsData(User user, HttpServletRequest request) {
}//9、delete请求path数据
@DeleteMapping(value = "/delete/path/{id}")
public User deletePathData(@PathVariable Long id, HttpServletRequest request) {
}/**
* POST 请求Json数据
*
* @param url 请求URL
* @param jsonParams 请求Json数据
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> postJson(String url,
String jsonParams,
Integer timeout,
Map<String, String> headerParams) {
}/**
* POST 请求Form数据
*
* @param url 请求URL
* @param formParams 请求Form数据Map
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> postForm(String url,
Map<String, Object> formParams,
Integer timeout,
Map<String, String> headerParams) {
}/**
* POST 请求File数据
* 调用方controller接口 @RequestParam("file") MultipartFile uploadFile
*
* @param url 请求URL
* @param uploadFile 请求File数据
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> postFile(String url,
MultipartFile uploadFile,
Integer timeout,
Map<String, String> headerParams) throws IOException{
}/**
* GET 请求Path数据
*
* @param url 请求URL
* @param pathParams 请求Path数据
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> getPath(String url,
Object[] pathParams,
Integer timeout,
Map<String, String> headerParams) {
}/**
* GET 请求Params数据
* inputParams必须为(String,String)
*
* @param url 请求URL
* @param inputParams 请求Params数据
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> getParams(String url,
Map<String, String> inputParams,
Integer timeout,
Map<String, String> headerParams) {
}/**
* PUT 请求Path数据
*
* @param url 请求URL
* @param pathParams 请求Path数据
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> putPath(String url,
Object[] pathParams,
Integer timeout,
Map<String, String> headerParams) {
}/**
* PUT 请求Form数据
*
* @param url 请求URL
* @param formParams 请求Form数据Map
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> putForm(String url,
Map<String, Object> formParams,
Integer timeout,
Map<String, String> headerParams) {
}/**
* DELETE 请求Path数据
*
* @param url 请求URL
* @param pathParams 请求Path数据
* @param timeout 超时时间
* @param headerParams 头部参数
* @return 数据Map，success标识
*/
public Map<String, Object> deletePath(String url,
Object[] pathParams,
Integer timeout,
Map<String, String> headerParams) {
}- 创建SpringBoot工程
- 添加依赖
<!--fastjson-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.47</version>
</dependency>
<!--httpclient-->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
</dependency>- 导入RestTemplateUtil.java文件
//创建工具类对象
private final RestTemplateUtil restTemplateUtil = new RestTemplateUtil();
//测试接口的地址
private final String URL = "http://localhost:9024";
//1、测试post请求json数据
@GetMapping(value = "/postJson")
public Map testPostJson() {
User user = new User(1L, "社会王", "123abc");
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.postJson(URL + "/post/json", JSON.toJSONString(user), null, headParams);
}//2、测试post请求form数据
@GetMapping(value = "/postForm")
public Map testPostForm() {
Map<String, Object> formParams = new HashMap<>();
formParams.put("id", 1L);
formParams.put("name", "社会王");
formParams.put("pass", "123abc");
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.postForm(URL + "/post/form", formParams, null, headParams);
}//3、测试post请求file数据
@PostMapping(value = "/postFile")
public Map testPostFile(@RequestParam(value = "file") MultipartFile multipartFile) {
try {
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.postFile(URL + "/post/file", multipartFile, null, headParams);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}//4、测试get请求path数据
@GetMapping(value = "/getPath")
public Map testGetPath() {
Object[] params = new Object[]{1, 5};
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.getPath(URL + "/get/path", params, null, headParams);
}//5、测试get请求params数据
@GetMapping(value = "/getParams")
public Map testGetParams() {
Map<String, String> inputParams = new HashMap<>();
inputParams.put("id", "1");
inputParams.put("name", "社会王");
inputParams.put("pass", "123abc");
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.getParams(URL + "/get/params", inputParams, null, headParams);
}//6、测试put请求path数据
@GetMapping(value = "/putPath")
public Map testPutPath() {
Object[] params = new Object[]{1};
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.putPath(URL + "/put/path", params, null, headParams);
}//7、测试put请求form数据
@GetMapping(value = "/putForm")
public Map testPutForm() {
Map<String, Object> formParams = new HashMap<>();
formParams.put("id", 1L);
formParams.put("name", "社会王");
formParams.put("pass", "123");
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.putForm(URL + "/put/form", formParams, null, headParams);
}//8、测试delete请求path数据
@GetMapping(value = "/deletePath")
public Map testDeletePath() {
Object[] params = new Object[]{1};
Map<String, String> headParams = new HashMap<>();
headParams.put("token", "shw-123-jd");
return restTemplateUtil.deletePath(URL + "/delete/path", params, null, headParams);
}- 统一返回为Map格式，调用接口的响应数据必须能解析成Map对象，不然会报错
- success为成功标识，data为返回数据，业务获取解析data部分即可
/**
* @Author thailandking
* @Date 2020/3/19 17:47
* @LastEditors thailandking
* @LastEditTime 2020/3/19 17:47
* @Description 处理调用结果 (接口返回数据必须能解析成Map对象格式)
*/
public Map<String, Object> handleResult(ResponseEntity<String> resp) {
Map<String, Object> resultMap = new HashMap<>();
if (resp.getStatusCodeValue() == 200) {
String body = resp.getBody();
Map dataMap = JSON.parseObject(body, Map.class);
resultMap.put("success", true);
resultMap.put("data", dataMap);
} else {
resultMap.put("success", false);
}
return resultMap;
}- 成功返回
{
"data": {
"pass": "123abc",
"name": "社会王_shw-123-jd",
"id": 1
},
"success": true
}- 错误返回
{
"success": false
}