{"id":1144,"date":"2018-06-27T16:59:14","date_gmt":"2018-06-27T08:59:14","guid":{"rendered":"https:\/\/www.xiaobo.li\/?p=1144"},"modified":"2018-06-27T17:07:55","modified_gmt":"2018-06-27T09:07:55","slug":"springmvc-%e6%b3%a8%e8%a7%a3%e4%b8%8e%e7%bb%91%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/1144","title":{"rendered":"SpringMVC \u6ce8\u89e3\u4e0e\u7ed1\u5b9a"},"content":{"rendered":"

\u7cfb\u7edf\u63d0\u4f9b\u7684\u5e38\u7528\u6ce8\u89e3\u6e05\u5355\uff1a<\/p>\n

1\u3001@RequestParam\u7ed1\u5b9a\u5355\u4e2a\u8bf7\u6c42\u53c2\u6570\u503c\uff1b<\/p>\n

2\u3001@PathVariable\u7ed1\u5b9aURI\u6a21\u677f\u53d8\u91cf\u503c\uff1b<\/p>\n

3\u3001@CookieValue\u7ed1\u5b9aCookie\u6570\u636e\u503c;<\/p>\n

4\u3001@RequestHeader\u7ed1\u5b9a\u8bf7\u6c42\u5934\u6570\u636e\uff1b<\/p>\n

5\u3001@ModelAttribute\u7ed1\u5b9a\u53c2\u6570\u5230\u547d\u4ee4\u5bf9\u8c61\uff1b<\/p>\n

6\u3001@SessionAttributes\u7ed1\u5b9a\u547d\u4ee4\u5bf9\u8c61\u5230session\uff1b<\/p>\n

7\u3001@RequestBody\u7ed1\u5b9a\u8bf7\u6c42\u7684\u5185\u5bb9\u533a\u6570\u636e\u5e76\u80fd\u8fdb\u884c\u81ea\u52a8\u7c7b\u578b\u8f6c\u6362\u7b49\u3002<\/p>\n

8\u3001@RequestPart\u7ed1\u5b9a\u201cmultipart\/data\u201d\u6570\u636e\uff0c\u9664\u4e86\u80fd\u7ed1\u5b9a@RequestParam\u80fd\u505a\u5230\u7684\u8bf7\u6c42\u53c2\u6570\u5916\uff0c\u8fd8\u80fd\u7ed1\u5b9a\u4e0a\u4f20\u7684\u6587\u4ef6\u7b49\u3002<\/p>\n

\u9664\u4e0a\u8ff0\u63d0\u5230\u7684\u6ce8\u89e3\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5982HttpServletRequest\u7b49API\u5f97\u5230\u8bf7\u6c42\u6570\u636e\u3002<\/p>\n

\u56fe\u793a\uff1a<\/p>\n

\"\"<\/a><\/p>\n

 <\/p>\n

@RequestMapping<\/h2>\n

RequestMapping\u662f\u4e00\u4e2a\u7528\u6765\u5904\u7406\u8bf7\u6c42\u5730\u5740\u6620\u5c04\u7684\u6ce8\u89e3\uff0c\u53ef\u7528\u4e8e\u7c7b\u6216\u65b9\u6cd5\u4e0a\u3002\u7528\u4e8e\u7c7b\u4e0a\uff0c\u8868\u793a\u7c7b\u4e2d\u7684\u6240\u6709\u54cd\u5e94\u8bf7\u6c42\u7684\u65b9\u6cd5\u90fd\u662f\u4ee5\u8be5\u5730\u5740\u4f5c\u4e3a\u7236\u8def\u5f84\u3002<\/p>\n

RequestMapping\u6ce8\u89e3\u6709\u516d\u4e2a\u5c5e\u6027\uff0c\u4e0b\u9762\u6211\u4eec\u628a\u5979\u5206\u6210\u4e09\u7c7b\u8fdb\u884c\u8bf4\u660e\uff08\u4e0b\u9762\u6709\u76f8\u5e94\u793a\u4f8b\uff09\u3002<\/p>\n

1\u3001 value\uff0c method\uff1b<\/strong><\/p>\n

value\uff1a\u00a0\u00a0\u00a0\u00a0 \u6307\u5b9a\u8bf7\u6c42\u7684\u5b9e\u9645\u5730\u5740\uff0c\u6307\u5b9a\u7684\u5730\u5740\u53ef\u4ee5\u662fURI Template \u6a21\u5f0f\uff08\u540e\u9762\u5c06\u4f1a\u8bf4\u660e\uff09\uff1b<\/p>\n

method\uff1a\u00a0 \u6307\u5b9a\u8bf7\u6c42\u7684method\u7c7b\u578b\uff0c GET\u3001POST\u3001PUT\u3001DELETE\u7b49\uff1b<\/p>\n

2\u3001consumes\uff0cproduces<\/strong><\/p>\n

consumes\uff1a \u6307\u5b9a\u5904\u7406\u8bf7\u6c42\u7684\u63d0\u4ea4\u5185\u5bb9\u7c7b\u578b\uff08Content-Type\uff09\uff0c\u4f8b\u5982application\/json, text\/html;<\/p>\n

produces:\u00a0\u00a0\u00a0 \u6307\u5b9a\u8fd4\u56de\u7684\u5185\u5bb9\u7c7b\u578b\uff0c\u4ec5\u5f53request\u8bf7\u6c42\u5934\u4e2d\u7684(Accept)\u7c7b\u578b\u4e2d\u5305\u542b\u8be5\u6307\u5b9a\u7c7b\u578b\u624d\u8fd4\u56de\uff1b<\/p>\n

3\u3001params\uff0cheaders<\/strong><\/p>\n

params\uff1a \u6307\u5b9arequest\u4e2d\u5fc5\u987b\u5305\u542b\u67d0\u4e9b\u53c2\u6570\u503c\u662f\uff0c\u624d\u8ba9\u8be5\u65b9\u6cd5\u5904\u7406\u3002<\/p>\n

headers\uff1a \u6307\u5b9arequest\u4e2d\u5fc5\u987b\u5305\u542b\u67d0\u4e9b\u6307\u5b9a\u7684header\u503c\uff0c\u624d\u80fd\u8ba9\u8be5\u65b9\u6cd5\u5904\u7406\u8bf7\u6c42\u3002<\/p>\n

 <\/p>\n

@Resource\u548c@Autowired<\/h2>\n

@Resource\u548c@Autowired\u90fd\u662f\u505abean\u7684\u6ce8\u5165\u65f6\u4f7f\u7528\uff0c\u5176\u5b9e@Resource\u5e76\u4e0d\u662fSpring\u7684\u6ce8\u89e3\uff0c\u5b83\u7684\u5305\u662fjavax.annotation.Resource\uff0c\u9700\u8981\u5bfc\u5165\uff0c\u4f46\u662fSpring\u652f\u6301\u8be5\u6ce8\u89e3\u7684\u6ce8\u5165\u3002<\/p>\n

 <\/p>\n

@ModelAttribute\u548c\u00a0@SessionAttributes<\/h2>\n

\u4ee3\u8868\u7684\u662f\uff1a\u8be5Controller\u7684\u6240\u6709\u65b9\u6cd5\u5728\u8c03\u7528\u524d\uff0c\u5148\u6267\u884c\u6b64@ModelAttribute\u65b9\u6cd5\uff0c\u53ef\u7528\u4e8e\u6ce8\u89e3\u548c\u65b9\u6cd5\u53c2\u6570\u4e2d\uff0c\u53ef\u4ee5\u628a\u8fd9\u4e2a@ModelAttribute\u7279\u6027\uff0c\u5e94\u7528\u5728BaseController\u5f53\u4e2d\uff0c\u6240\u6709\u7684Controller\u7ee7\u627fBaseController\uff0c\u5373\u53ef\u5b9e\u73b0\u5728\u8c03\u7528Controller\u65f6\uff0c\u5148\u6267\u884c@ModelAttribute\u65b9\u6cd5\u3002<\/p>\n

@PathVariable<\/h2>\n

\u7528\u4e8e\u5c06\u8bf7\u6c42URL\u4e2d\u7684\u6a21\u677f\u53d8\u91cf\u6620\u5c04\u5230\u529f\u80fd\u5904\u7406\u65b9\u6cd5\u7684\u53c2\u6570\u4e0a\uff0c\u5373\u53d6\u51fauri\u6a21\u677f\u4e2d\u7684\u53d8\u91cf\u4f5c\u4e3a\u53c2\u6570<\/p>\n

@RequestParam<\/h2>\n

@requestParam\u4e3b\u8981\u7528\u4e8e\u5728SpringMVC\u540e\u53f0\u63a7\u5236\u5c42\u83b7\u53d6\u53c2\u6570\uff0c\u7c7b\u4f3c\u4e00\u79cd\u662frequest.getParameter(\"name\")\uff0c\u5b83\u6709\u4e09\u4e2a\u5e38\u7528\u53c2\u6570\uff1adefaultValue = \"0\", required = false, value = \"isApp\"\uff1bdefaultValue \u8868\u793a\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0crequired \u94dc\u8fc7boolean\u8bbe\u7f6e\u662f\u5426\u662f\u5fc5\u987b\u8981\u4f20\u5165\u7684\u53c2\u6570\uff0cvalue \u503c\u8868\u793a\u63a5\u53d7\u7684\u4f20\u5165\u7684\u53c2\u6570\u7c7b\u578b\u3002<\/p>\n

@ResponseBody<\/h2>\n

\u4f5c\u7528\uff1a\u00a0\u8be5\u6ce8\u89e3\u7528\u4e8e\u5c06Controller\u7684\u65b9\u6cd5\u8fd4\u56de\u7684\u5bf9\u8c61\uff0c\u901a\u8fc7\u9002\u5f53\u7684HttpMessageConverter\u8f6c\u6362\u4e3a\u6307\u5b9a\u683c\u5f0f\u540e\uff0c\u5199\u5165\u5230Response\u5bf9\u8c61\u7684body\u6570\u636e\u533a\u3002<\/p>\n

\u4f7f\u7528\u65f6\u673a\uff1a\u8fd4\u56de\u7684\u6570\u636e\u4e0d\u662fhtml\u6807\u7b7e\u7684\u9875\u9762\uff0c\u800c\u662f\u5176\u4ed6\u67d0\u79cd\u683c\u5f0f\u7684\u6570\u636e\u65f6\uff08\u5982json\u3001xml\u7b49\uff09\u4f7f\u7528\uff1b<\/p>\n

@Component<\/strong><\/h2>\n

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@Repository<\/h2>\n

\u7528\u4e8e\u6ce8\u89e3dao\u5c42\uff0c\u5728daoImpl\u7c7b\u4e0a\u9762\u6ce8\u89e3\u3002<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\u4f7f\u7528 ServletRequest\/HttpServletRequest \u548c ServletResponse\/HttpServletResponse\uff1a<\/strong><\/p>\n

public String requestOrResponse (
\nServletRequest servletRequest, HttpServletRequest httpServletRequest,
\nServletResponse servletResponse, HttpServletResponse httpServletResponse
\n)<\/p>\n

 <\/p>\n

\u4f7f\u7528 InputStream\/OutputStream\uff1a<\/strong><\/p>\n

public void inputOrOutBody(InputStream requestBodyIn, OutputStream responseBodyOut)
\nthrows IOException {
\nresponseBodyOut.write(\"success\".getBytes());
\n}<\/p>\n

requestBodyIn\uff1a\u83b7\u53d6\u8bf7\u6c42\u7684\u5185\u5bb9\u533a\u5b57\u8282\u6d41\uff0c\u7b49\u4ef7\u4e8erequest.getInputStream()
\nresponseBodyOut\uff1a\u83b7\u53d6\u76f8\u5e94\u7684\u5185\u5bb9\u533a\u5b57\u8282\u6d41\uff0c\u7b49\u4ef7\u4e8eresponse.getOutputStream()<\/p>\n

 <\/p>\n

\u4f7f\u7528 Reader\/Writer\uff1a<\/strong><\/p>\n

public void readerOrWriteBody(Reader reader, Writer writer)
\nthrows IOException {
\nwriter.write(\"hello\");
\n}<\/p>\n

 <\/p>\n

\u4f7f\u7528 @RequestParam\/@SessionAttributes\/@CookieValue\uff1a<\/strong><\/p>\n

public void readerOrWriteBody(@<\/strong>RequestParam String uid, @<\/strong>SessionAttributes String uid){}<\/p>\n

 <\/p>\n

\u53c2\u8003\uff1a<\/p>\n

https:\/\/www.cnblogs.com\/leskang\/p\/5445698.html<\/a><\/p>\n

..<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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