代码
ClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory(HttpClients.createDefault());
RestTemplate client = new RestTemplate(requestFactory);
String postStr = "{\"keyWord\":\"北京大学\",\"level\":12,\"mapBound\":\"116.02524,39.83833,116.65592,39.99185\",\"queryType\":1,\"start\":0,\"count\":10}";
String url = "http://api.tianditu.gov.cn/v2/search";
UriComponentsBuilder builder = UriComponentsBuilder.fromUriString(url)
.queryParam("postStr",postStr)
.queryParam("type","query")
.queryParam("tk",密钥);
ResponseEntity<JSONObject> responseEntity = client.getForEntity(builder.build(false).toUri(), JSONObject.class);
部分依赖
<!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.13</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-web -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
</dependency>
标签：调用,String,RestTemplate,UriComponentsBuilder,api,postStr,queryParam From： https://www.cnblogs.com/zqyn/p/17108992.html