[英]Java Spring resttemplate character encoding
I'm using the Java Spring Resttemplate for getting a json via a get request.我正在使用 Java Spring Resttemplate 通过获取请求获取 json。 The JSON I'm getting has instead of special character slike ü ö ä or ß some weird stuff.我得到的 JSON 有一些奇怪的东西,而不是像 ü ö ä 或 ß 这样的特殊字符。 So I guess somethings wrong with the character encoding.所以我猜字符编码有问题。 I can't find any help on the internet.我在互联网上找不到任何帮助。 The code I'm using for now is:我现在使用的代码是:
String json = restTemplate.getForObject(
overPassStatementPostCode,
String.class,
params);
You just need to add the StringHttpMessageConverter
to the template's message converters:您只需要将StringHttpMessageConverter
添加到模板的消息转换器中:
RestTemplate template = new RestTemplate();
template.getMessageConverters()
.add(0, new StringHttpMessageConverter(Charset.forName("UTF-8")));
ResponseEntity<Object> response = template.exchange(endpoint, method, entity,
Object.class);
First I tried @beerbajay 's way , but it not helps。 Finally I resolve it by below way首先我尝试了@beerbajay的方式,但它没有帮助。最后我通过以下方式解决它
RestTemplate template = new RestTemplate();
// template.getMessageConverters()
// .add(0, new StringHttpMessageConverter(Charset.forName("UTF-8")));
HttpHeaders headers = new HttpHeaders();
headers.setAccept(newArrayList(MediaType.APPLICATION_JSON));
ResponseEntity<String> response = template.exchange(url, HttpMethod.GET, new HttpEntity<String>(headers), String.class);
I've same issue on this case, after one search, I've got this link: https://gist.github.com/knight1128/66f3e4817ab35c7397fd我在这种情况下也有同样的问题,经过一次搜索,我得到了这个链接: https ://gist.github.com/knight1128/66f3e4817ab35c7397fd
its workaround is working for me:它的解决方法对我有用:
package com.google.locationlab;
import com.google.common.collect.Lists;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Test;
import org.springframework.http.*;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponentsBuilder;
import java.net.URI;
import java.nio.charset.Charset;
import java.util.List;
public class PortalRestTemplateIntegrationTest {
private Log logger = LogFactory.getLog(PortalRestTemplateIntegrationTest.class);
@Test
public void test() throws Exception {
RestTemplate restTemplate = new RestTemplate();
HttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter(Charset.forName("UTF-8"));
List<HttpMessageConverter<?>> httpMessageConverter = Lists.newArrayList();
httpMessageConverter.add(stringHttpMessageConverter);
restTemplate.setMessageConverters(httpMessageConverter);
URI targetUrl= UriComponentsBuilder.fromUriString("http://portal.net")
.path("search")
.queryParam("q", "잠실역")
.build()
.toUri();
HttpHeaders headers = new HttpHeaders();
Charset utf8 = Charset.forName("UTF-8");
MediaType mediaType = new MediaType("text", "html", utf8);
headers.setContentType(mediaType);
headers.set("User-Agent", "mozilla");
headers.set("Accept-Language", "ko");
// gzip 사용하면 byte[] 로 받아서, 압축을 풀고 decoding 해야 한다.
HttpEntity<String> entity = new HttpEntity<String>("parameters", headers);
ResponseEntity<String> responseEntity = restTemplate.exchange(targetUrl.toURL().toString(), HttpMethod.GET, entity, String.class);
String result = responseEntity.getBody();
logger.info(result);
}
}
I have solved this problem.我已经解决了这个问题。 I need to POST a string object in request body with UTF-8.我需要使用 UTF-8 在请求正文中发布一个字符串对象。
text/plain文本/纯文本
httpHeaders.setContentType(new MediaType("text", "plain", StandardCharsets.UTF_8)); httpHeaders.setContentType(new MediaType("text", "plain", StandardCharsets.UTF_8));
applicaton/json应用程序/json
httpHeaders.setContentType(new MediaType("applicaton", "json", StandardCharsets.UTF_8)); httpHeaders.setContentType(new MediaType("application", "json", StandardCharsets.UTF_8));
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<String> resposeEntity = null;
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setContentType(new MediaType("text", "plain", StandardCharsets.UTF_8));
HttpEntity<String> httpEntity = new HttpEntity<String>(stringContent, httpHeaders);
responseEntity = restTemplate.exchange(requestUrl, HttpMethod.POST, httpEntity, String.class);
if (HttpStatus.OK.equals(responseEntity.getStatusCode())) {
logger.debug("... success ... result: " + responseEntity.getBody());
}
You can still use String.class as a response type if you can do the following.如果您可以执行以下操作,您仍然可以使用 String.class 作为响应类型。
Upgrading to spring-web 5.2 solves the problem.升级到 spring-web 5.2 解决了这个问题。 or set writeAcceptCharset property to false belongs to StringHttpMessageConverter and use that convertor further in RestTemplate instance.或将 writeAcceptCharset 属性设置为 false 属于 StringHttpMessageConverter 并在 RestTemplate 实例中进一步使用该转换器。
boolean writeAcceptCharSet = false;
List<HttpMessageConverter<?>> c = restTemplate.getMessageConverters();
for (HttpMessageConverter<?> mc : c) {
if (mc instanceof StringHttpMessageConverter) {
StringHttpMessageConverter mcc = (StringHttpMessageConverter) mc;
mcc.setWriteAcceptCharset(writeAcceptCharSet);
}
}
In my case, I was using Postman.就我而言,我使用的是 Postman。 It was sending a hidden header of:它正在发送一个隐藏的标题:
Accept-Encoding: gzip, deflate, br
I removed this header and my response came back correctly, instead of mumbo-jumbos.我删除了这个标题,我的回复正确地返回了,而不是 mumbo-jumbos。
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