{"id":911,"date":"2023-03-11T17:02:45","date_gmt":"2023-03-11T09:02:45","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=911"},"modified":"2023-04-29T15:50:26","modified_gmt":"2023-04-29T07:50:26","slug":"spring-boot-use-resttemplate-to-send-get-request-but-cannot-obtain-parameters","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/11\/spring-boot-use-resttemplate-to-send-get-request-but-cannot-obtain-parameters\/","title":{"rendered":"Spring Boot\u4f7f\u7528RestTemplate\u53d1\u9001get\u8bf7\u6c42\uff0c\u83b7\u53d6\u4e0d\u5230\u53c2\u6570\u7684\u95ee\u9898"},"content":{"rendered":"

\u9519\u8bef\u6848\u4f8b<\/h2>\n

\u4f7f\u7528RestTemplate<\/code>\u53d1\u9001GET\u8bf7\u6c42\uff0c\u53d1\u73b0\u540e\u7aef\u63a5\u6536\u4e0d\u5230\u8bf7\u6c42\u53c2\u6570<\/p>\n

String url = "http:\/\/api.xxx.xxx";\n\/\/\u6a21\u62df\u8bf7\u6c42\u53c2\u6570\nMap map = new HashMap<>();\nmap.put("name", "Joe.Ye");\nmap.put("age", "18");\n\nString result = restTemplate.getForObject(url, String.class, map);<\/code><\/pre>\n
<\/p>\n
\u53d1\u73b0\u4e00\u76f4\u62ff\u4e0d\u5230name\u548cage<\/p>\n
\u6b63\u786e\u59ff\u52bf<\/h2>\n
URL\u62fc\u63a5query\u53c2\u6570<\/h3>\n
String url = "http:\/\/api.xxx.xxx?name={name}&age={age}";<\/code><\/pre>\n
UriCompoentBuilder\u65b9\u5f0f\uff08\u4f18\u96c5\u3001\u63a8\u8350\uff09<\/h3>\n
HttpHeaders headers = new HttpHeaders();\nheaders.add("accept", "*\/*");\nHttpEntity<JSONObject> httpEntity = new HttpEntity<JSONObject>(null, headers);\n\nUriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url)\n        .queryParam("id", "10");\n\nResponseEntity<JSONObject> response = restTemplate.exchange(builder.build().toUri(), HttpMethod.GET, httpEntity, JSONObject.class);<\/code><\/pre>\n
String url = "https:\/\/www.appblog.cn";\nUriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url);\nString url2 = builder.queryParam("name", "Joe.Ye").build().encode().toString();\nSystem.out.println("url2 = " + url2); \/\/https:\/\/www.appblog.cn?name=Joe.Ye\n\nMap<String,String> param = Maps.newHashMap();\nparam.put("name", "Joe.Ye");\nparam.put("age", "18");\nparam.entrySet().stream().forEach(o -> builder.queryParam(o.getKey(),o.getValue()));\nString url3 = builder.build().encode().toString(); \/\/https:\/\/www.appblog.cn?name=Joe.Ye&age=18\nSystem.out.println("url3 = " + url3);\n\n\/\/ResponseEntity<String> rsp = restTemplate.getForEntity(url3, String.class);<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9519\u8bef\u6848\u4f8b \u4f7f\u7528RestTemplate\u53d1\u9001GET\u8bf7\u6c42\uff0c\u53d1\u73b0\u540e\u7aef\u63a5\u6536\u4e0d\u5230\u8bf7\u6c42\u53c2\u6570 String url = &q […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[253],"class_list":["post-911","post","type-post","status-publish","format-standard","hentry","category-spring-boot","tag-resttemplate"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=911"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/911\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}