内容不限于登录业务,主要简单介绍 RestTemplate
的用法,包括
postForObject MultiValueMap JSONObject HttpHeaders
// 构造 post的body内容(要post的内容,按需定义) MultiValueMap<String, String> paramsMap = new LinkedMultiValueMap<>(); paramsMap.set("grant_type", "password"); paramsMap.set("username", "yourname"); paramsMap.set("password", "yourpassword"); // 构造头部信息(若有需要) HttpHeaders headers = new HttpHeaders(); headers.add("Authorization", "Basic xxxxxx你的认证密钥"); // 设置类型 "application/json;charset=UTF-8" headers.setContentType(MediaType.APPLICATION_JSON); // 构造请求的实体。包含body和headers的内容 HttpEntity<MultiValueMap<String, String>> request = new HttpEntity(paramsMap, headers); // 声明 restTemplateAuth(用作请求) RestTemplate restTemplateAuth = new RestTemplate(); // 进行请求,并返回数据 String authInfo = restTemplateAuth.postForObject("http://localhost:8089/oauth/token", request, String.class);
使用josn请求的示例代码
Posting JSON with postForObject
JSONObject personJsonObject = new JSONObject(); personJsonObject.put("id", 1); personJsonObject.put("name", "John"); HttpEntity<String> request = new HttpEntity<String>(personJsonObject.toString(), headers); String personResultAsJsonStr = restTemplate.postForObject("url", request, String.class);