{"id":9089,"date":"2022-12-16T17:58:25","date_gmt":"2022-12-16T09:58:25","guid":{"rendered":"http:\/\/123.57.164.21\/?p=9089"},"modified":"2022-12-16T17:58:25","modified_gmt":"2022-12-16T09:58:25","slug":"springboot%e8%87%aa%e5%ae%9a%e4%b9%89http%e5%8f%8d%e9%a6%88%e7%8a%b6%e6%80%81%e7%a0%81","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=9089","title":{"rendered":"Springboot\u81ea\u5b9a\u4e49http\u53cd\u9988\u72b6\u6001\u7801"},"content":{"rendered":"\n

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\"\"<\/figure><\/div>\n\n\n\n

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{\n\t\"status\":1,\n\t\"message\":\"xxxxxx\"\n}<\/pre>\n\n\n\n
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\u7b2c\u4e00\u79cd\uff0c\u4f7f\u7528@ResponseStatus<\/strong><\/p>\n\n\n\n
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\u5728\u65b9\u6cd5\u4e0a\u4f7f\u7528\u65b9\u5f0f:<\/p>\n\n\n\n
1 @RequestMapping(value = \"\/user\", method = RequestMethod.GET)\n2 @ResponseStatus(code=HttpStatus.INTERNAL_SERVER_ERROR,reason=\"server error\")\n3 public String getUser(){\n4    return \"im zhangsan\";\n5 }<\/pre>\n\n\n\n
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{\n    \"timestamp\": 1497850427325,\n    \"status\": 500,\n    \"error\": \"Internal Server Error\",\n    \"message\": \"server error\",\n    \"path\": \"\/user\"\n}<\/pre>\n\n\n\n
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\u5728\u7c7b\u4e2d\u4f7f\u7528\u65b9\u5f0f:<\/p>\n\n\n\n
1 @ResponseStatus(code=HttpStatus.INTERNAL_SERVER_ERROR,reason=\"111\")\n2 public class ServerException extends Exception {\n3 \n4 }<\/pre>\n\n\n\n
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@RequestMapping(value = \"\/user\", method = RequestMethod.GET)\npublic String getUser(@RequestParam String userName) throws ServerException{\n    if(StringUtils.isEmpty(userName)){\n        throw new ServerException();\n    }\n    return \"im zhangsan\";\n}<\/pre>\n\n\n\n
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\u7b2c\u4e8c\u79cd\uff0c\u4f7f\u7528HttpServletResponse<\/strong><\/p>\n\n\n\n
HttpServletResponse\u662fjavax.servlet\u4e0b\u7684\u4e00\u4e2a\u63a5\u53e3\uff0c\u5982\u4e0b\u4f7f\u7528:<\/p>\n\n\n\n
1 @RequestMapping(value = \"\/user\", method = RequestMethod.GET)\n2 public void getUser(HttpServletResponse response) throws IOException{\n3     response.setStatus(500);\n4     response.getWriter().append(\"server error\");\n5 }<\/pre>\n\n\n\n
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  1. \u5728\u62ec\u53f7\u5185\u521b\u5efa\u4e86\u4e00\u4e2aresponse\u5185\u7f6e\u53d8\u91cf\uff0c\u8fd9\u6837\u663e\u5f97\u4e0d\u591f\u7f8e\u89c2\uff0c\u53cd\u800c\u6709\u4e9b\u591a\u4f59\u3002<\/li>
  2. \u5728\u65b9\u6cd5\u4e2d\u8c03\u7528\u4e86\u6e90\u751f\u7684\u65b9\u6cd5\u6765\u8bbe\u7f6e\u53cd\u9988\u7801\u548c\u6d88\u606f\u4f53\uff0c\u5e76\u4e14\u5982\u679c\u9700\u8981\u8fd4\u56dejson\u683c\u5f0f\u6570\u636e\u8fd8\u9700\u8981\u8bbe\u7f6eresponse.setContentType(“application\/json”);\u548cresponse.setCharacterEncoding(“UTF-8”);\uff0c\u8fd9\u6837\u505a\u6709\u4e9b\u591a\u4f59\uff0c\u91cd\u590d\u7684\u5de5\u4f5c\u592a\u591a\uff0c\u867d\u7136\u53ef\u4ee5\u8fdb\u884c\u5c01\u88c5\u3002<\/li>
  3. \u6700\u4e25\u91cd\u7684\u95ee\u9898\u8fd9\u4e2a\u65b9\u6cd5\u5fc5\u987b\u662fvoid\u7c7b\u578b\uff0c\u5426\u5219\u5c31\u4f1a\u548c@ResponseBody\u51fa\u73b0\u51b2\u7a81\uff0c\u5176\u6b21\u5c31\u662f\u4e0d\u80fd\u5229\u7528@ResponseBody\u81ea\u52a8\u5c01\u88c5json\u7684\u7279\u6027\uff0c\u5728spring mvc\u6846\u67b6\u4e2d\u5982\u679c\u5728\u65b9\u6cd5\u4e0a\u52a0\u4e0a@ResponseBody\u662f\u53ef\u4ee5\u5bf9\u8fd4\u56de\u503c\u81ea\u52a8\u8fdb\u884cjson\u5c01\u88c5\u7684\u3002<\/li><\/ol>\n\n\n\n
    \u518d\u627e\u627e\u5176\u4ed6\u7684\uff0c\u5982\u679c\u6ca1\u6709\u627e\u5230\uff0c\u4f30\u8ba1\u4e5f\u53ea\u80fd\u63a5\u53d7\u8fd9\u4e2a\u4e0d\u5b8c\u7f8e\u7684\u4e1c\u897f\u4e86\u3002<\/p>\n\n\n\n
    \u540e\u6765\u5728\u7ffb\u9605spring boot<\/a>\u6587\u6863\u7684\u65f6\u5019\u627e\u5230\u4e86ResponseEntity\u8fd9\u4e48\u4e00\u4e2a\u4e1c\u897f\uff0c\u8fd9\u5c31\u662f\u6211\u8981\u8bf4\u7684\u7b2c\u4e09\u79cd\u65b9\u5f0f\u3002<\/p>\n\n\n\n
    \u7b2c\u4e09\u79cd\uff0c\u4f7f\u7528ResponseEntity<\/strong><\/p>\n\n\n\n
    \u4e0d\u591a\u8bf4\uff0c\u76f4\u63a5\u4e0a\u4ee3\u7801:<\/p>\n\n\n\n
    @RequestMapping(value = \"\/user\", method = RequestMethod.GET)\npublic ResponseEntity<Map<String,Object>> getUser() throws IOException{\n    Map<String,Object> map = new HashMap<String,Object>();\n    map.put(\"name\", \"zhangsan\");\n    return new ResponseEntity<Map<String,Object>>(map,HttpStatus.OK);\n}<\/pre>\n\n\n\n
    \u901a\u8fc7postman\u67e5\u770b\u8fd4\u56de\u7ed3\u679c\uff0c\u5982\u4e0b:<\/p>\n\n\n\n
    \n{\n    \"name\": \"zhangsan\"\n}\n<\/pre>\n\n\n\n
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    \u8fd9\u79cd\u65b9\u5f0f\u5f88\u548c\u6211\u610f\uff0c<\/p>\n\n\n\n
    1. \u4e0d\u9700\u8981\u591a\u4e8e\u7684HttpServletResponse\uff0c\u770b\u7740\u5f88\u5e72\u51c0\u3002<\/li>
    2. \u53ef\u4ee5\u5145\u5206\u5229\u7528@ResponseBody\u6ce8\u89e3\uff0c\u76f4\u63a5\u5c06\u6211\u7684\u8fd4\u56de\u503c\u5e2e\u6211\u8f6c\u5316\u6210json\u5bf9\u8c61\u3002<\/li>
    3. \u5728\u8bbe\u7f6e\u8fd4\u56de\u503c\u7684\u65f6\u5019\u540c\u65f6\u8fd8\u53ef\u4ee5\u8bbe\u7f6ehttp\u53cd\u9988\u7801\uff0cHttpStatus\u662fspringframework\u63d0\u4f9b\u7684\u4e00\u4e2a\u679a\u4e3e\u7c7b\uff0c\u91cc\u9762\u5c01\u88c5\u4e86\u6240\u6709\u7684http\u53cd\u9988\u7801\uff0c\u65b9\u4fbf\u4f7f\u7528\u547d\u540d\u7edf\u4e00\uff0c\u4e0d\u4f1a\u6709\u4efb\u4f55\u6b67\u4e49\u3002<\/li><\/ol>\n\n\n\n
      \u76f8\u6bd4\u4e8e\u524d\u9762\u4e24\u79cd\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5f88\u5bf9\u6211\u80c3\u53e3\u3002<\/p>\n\n\n\n
      \u4ed4\u7ec6\u770b\u4e86ResponseEntity\u7684\u8bf4\u660e\uff0c\u53d1\u73b0spring mvc\u5176\u5b83\u5f88\u591a\u5730\u65b9\u4e5f\u90fd\u6709\u4f7f\u7528\uff0c\u5982\u4e0b\uff0c\u4e0b\u9762\u5185\u5bb9\u6458\u81eaorg.springframework.http.ResponseEntity\u6587\u4ef6\u6ce8\u91ca\uff0c<\/p>\n\n\n\n
      In RestTemplate, this class is returned by getForEntity() and exchange():<\/p>\n\n\n\n
      1 ResponseEntity<String> entity = template.getForEntity(\"http:\/\/example.com\", String.class);\n2 String body = entity.getBody();\n3 MediaType contentType = entity.getHeaders().getContentType();\n4 HttpStatus statusCode = entity.getStatusCode();<\/pre>\n\n\n\n
      Can also be used in Spring MVC, as the return value from a @Controller method:<\/p>\n\n\n\n
      @RequestMapping(\"\/handle\")\n public ResponseEntity<String> handle() {\n   URI location = ...;\n   HttpHeaders responseHeaders = new HttpHeaders();\n   responseHeaders.setLocation(location);\n   responseHeaders.set(\"MyResponseHeader\", \"MyValue\");\n   return new ResponseEntity<String>(\"Hello World\", responseHeaders, HttpStatus.CREATED);\n }<\/pre>\n\n\n\n
      \u8fd9\u5c31\u662f\u4e0a\u9762\u8bf4\u8fc7\u7684\u3002<\/p>\n\n\n\n
      Or, by using a builder accessible via static methods:<\/p>\n\n\n\n
      1 @RequestMapping(\"\/handle\")\n2  public ResponseEntity<String> handle() {\n3    URI location = ...;\n4    return ResponseEntity.created(location).header(\"MyResponseHeader\", \"MyValue\").body(\"Hello World\");\n5  }<\/pre>\n\n\n\n
      \u81ea\u5b9a\u4e49http\u53cd\u9988\u7801\u5728\u8bbe\u8ba1\u4f18\u826f\u7684restful api\u4e2d\u8d77\u5230\u5173\u952e\u4f5c\u7528\uff0chttp\u53cd\u9988\u7801\u662f\u4e1a\u5185\u7edf\u4e00\u3001\u5171\u8bc6\u7684\uff0c\u5efa\u8bae\u5728\u5c3d\u91cf\u4e0d\u8981\u901a\u8fc7\u89e3\u6790json\u6765\u83b7\u5f97status\u5224\u65ad\u64cd\u4f5c\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u6700\u8fd1\u5728\u5f00\u53d1\u4e00\u4e9bhttp server\u7c7b\u578b\u7a0b\u5e8f\uff0c\u901a\u8fc7spring boot\u6784\u5efa\u4e00\u4e9bweb\u7a0b\u5e8f\uff0c\u8fd9\u4e9bweb\u7a0b\u5e8f\u4e4b\u95f4 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,27],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9089"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9089"}],"version-history":[{"count":2,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9089\/revisions"}],"predecessor-version":[{"id":9092,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/9089\/revisions\/9092"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}