{"id":340444,"date":"2021-02-10T01:41:53","date_gmt":"2021-02-09T17:41:53","guid":{"rendered":"http:\/\/4563.org\/?p=340444"},"modified":"2021-02-10T01:41:53","modified_gmt":"2021-02-09T17:41:53","slug":"%e8%af%b7%e6%95%99%e4%b8%8b%e5%90%8e%e7%ab%af-java-%e5%a4%a7%e4%bd%ac","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=340444","title":{"rendered":"\u8bf7\u6559\u4e0b\u540e\u7aef Java \u5927\u4f6c"},"content":{"rendered":"
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\u8bf7\u6559\u4e0b\u540e\u7aef Java \u5927\u4f6c <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : supuwoerc <\/span> <\/i> 2<\/span> <\/div>\n
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\u6700\u8fd1\u5c0f\u5f1f\u5728\u5bb6\u81ea\u5b66 java\uff0c\u521a\u521a\u81ea\u5df1\u642d\u5efa\u4e86\u4e00\u4e2a Maven \u7684 javaweb \u9879\u76ee\uff0c\u521a\u521a\u5199\u4e86\u51e0\u4e2a\u63a5\u53e3\uff0c\u9047\u5230\u4e86\u4e00\u4e9b\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u80fd\u6307\u5bfc\u4e0b\u6211\uff0c\u63d0\u524d\u611f\u8c22~~<\/p>\n

\u95ee\u9898 list:<\/p>\n

1.\u6587\u4ef6\u4e0a\u4f20\u4e00\u822c\u662f\u653e\u5728\u4ec0\u4e48\u5730\u65b9\u5462?\u6211\u73b0\u5728\u662f\u5199\u4e86\u4e2a properties\uff0c\u91cc\u9762\u914d\u7f6e\u4e86\u7edd\u5bf9\u8def\u5f84\uff0c\u4f46\u662f\u7f51\u4e0a\u6709\u7684\u8bf4\u5b58\u5230 WEB-INF \u4e0b\u7684 upload \u6587\u4ef6\u5939\uff0c\u6211\u4e5f\u8bd5\u4e86\u4e00\u4e0b\uff0c\u53d1\u73b0\u8def\u5f84\u600e\u4e48\u5199\u90fd\u4e0d\u5bf9\uff0c\u4e0d\u77e5\u9053\u5e94\u8be5\u600e\u4e48\u5199\uff1f\uff08\u6211\u60f3\u8fd9\u6587\u4ef6\u5e94\u8be5\u4e0d\u5fc5\u5b58\u50a8\u5230\u9879\u76ee\u4e0b\uff0c\u4f46\u662f\u8fd8\u662f\u60f3\u5f04\u6e05\u695a\u600e\u4e48\u5c06\u6587\u4ef6\u5199\u5165 WEB-INF\/upload \u4e0b\uff09<\/p>\n

2.\u5728\u5c01\u88c5 json \u7684\u65f6\u5019\uff0c\u4e0a\u4f20 markdown \u6211\u5c06 markdown \u5b9e\u4f8b\u5199\u5230\u4e86 json \u7684 data \u91cc\u9762\uff0c\u4f46\u662f\u4e0a\u4f20\u5176\u4ed6\u6587\u4ef6\u7684\u65f6\u5019\u6211\u60f3\u8d77\u6765\u4e00\u4e2a\u95ee\u9898\uff0c\u96be\u9053\u8fd8\u8981\u518d\u5c01\u88c5\u4e00\u4e2a Bean \u6765\u63cf\u8ff0\u6587\u4ef6\u4fe1\u606f\u5417\uff1f \uff08\u4e4b\u6240\u4ee5\u8981\u5b58 markdown \u4fe1\u606f\u662f\u56e0\u4e3a\u6211\u60f3\u56de\u663e\u4e0a\u4f20\u5185\u5bb9\uff09\uff0c\u4e0d\u77e5\u9053\u5b9e\u9645\u5f00\u53d1\u4e2d\u5927\u4f6c\u4eec\u600e\u4e48\u505a\u7684\uff1f<\/p>\n

3.\u73b0\u5728\u8fd8\u662f\u4e0d\u592a\u6e05\u695a Servlet \u548c service \u4e2d\u4ee3\u7801\u600e\u4e48\u5199\uff0c\u603b\u662f\u5199\u7740\u5199\u7740\u53d1\u73b0 Servlet \u5168\u5e72\u5b8c\u4e86\uff0cDao \u4e2d\u4ee3\u7801\u5012\u6bd4\u8f83\u6e05\u6670\uff0c\u4f46\u662f Servlet \u548c service \u533a\u5206\u6a21\u7cca\u7684\u5f88\uff0c\u5e0c\u671b\u5927\u4f6c\u80fd\u89e3\u91ca\u4e0b\u3002<\/p>\n

\u4e0a\u4f20\u6587\u4ef6\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

@WebServlet(\"\/uploadFile\/*\") public class UploadFile extends BaseServlet {     private UploadFileService uploadFileService = new UploadFileServiceImpl();     public void upload(HttpServletRequest request, HttpServletResponse response) {         response.setContentType(\"application\/json;charset=utf-8;\");         boolean isMultipart = ServletFileUpload.isMultipartContent(request);  \/\/\u5224\u65ad enctype \u5c5e\u6027\u662f\u5426\u662f multipart\/form-data         try {             if (isMultipart) {                 FileItemFactory factory = new DiskFileItemFactory();  \/\/\u5de5\u5382\u5b9e\u4f8b                 ServletFileUpload upload = new ServletFileUpload(factory);  \/\/ServletFileUpload \u5b9e\u4f8b\u4f9d\u8d56\u4e8e FileItemFactory \u5de5\u5382                 List<FileItem> itemList = upload.parseRequest(request);  \/\/\u89e3\u6790\u8868\u5355\u5b57\u6bb5\uff0c\u5c01\u88c5\u6210\u4e00\u4e2a FileItem \u5b9e\u4f8b\u7684\u96c6\u5408                 Iterator<FileItem> iterator = itemList.iterator();  \/\/\u8fed\u4ee3\u5668                 while (iterator.hasNext()) {                     FileItem fileItem = iterator.next();  \/\/\u4f9d\u6b21\u89e3\u6790\u6bcf\u4e00\u4e2a FileItem \u5b9e\u4f8b\uff0c\u5373\u8868\u5355\u5b57\u6bb5                     if (!fileItem.isFormField()) {                         \/\/\u6587\u4ef6\u8868\u5355\u5b57\u6bb5                         String fileUpName = fileItem.getName();  \/\/\u7528\u6237\u4e0a\u4f20\u7684\u6587\u4ef6\u540d                         Properties properties = new Properties();                         properties.load(UploadFile.class.getClassLoader().getResourceAsStream(\"client.properties\"));                         String fileDir = properties.getProperty(\"fileDir\");                         \/\/\u9ed8\u8ba4\u5b58\u5230 WEB-INF \u4e0b\u7684 upload \u6587\u4ef6\u5939  (\u6784\u5efa\u9879\u76ee\u540e\u5b58\u5230 target \u76ee\u5f55\u4e0b)                         String pathName = UploadFile.class.getClassLoader().getResource(\"\").getPath().replace(\"classes\", \"upload\");                         if (fileDir != null && !(\"\".equals(fileDir))) {                             pathName = fileDir;                         }                         SimpleDateFormat simpleDateFormat = new SimpleDateFormat(\"yyyy-MM-dd\");                         String dirName = pathName+ File.separator + simpleDateFormat.format(new Date());                         File rebornDir = new File(dirName);                         if (!rebornDir.isDirectory()) {                             rebornDir.getAbsolutePath();                             rebornDir.mkdirs();        \/\/\u4e0d\u5b58\u5728\u76ee\u5f55\u65f6\u521b\u5efa\u76ee\u5f55                         }                         File file = new File(rebornDir + File.separator + fileUpName);  \/\/\u4fdd\u5b58\u7684\u6587\u4ef6                         System.out.println(file);                         if (!file.exists()) {                             file.getAbsolutePath();                             file.createNewFile();    \/\/\u521b\u5efa\u6587\u4ef6                         }                         fileItem.write(file);  \/\/\u5199\u5165\uff0c\u4fdd\u5b58\u5230\u76ee\u6807\u6587\u4ef6                         String prefix = fileUpName.substring(fileUpName.lastIndexOf(\".\") + 1);                         \/\/\u5982\u679c\u662f markdown \u6587\u4ef6\u7684\u8bdd\u9700\u8981\u5b58\u5230\u6570\u636e\u5e93\u91cc\u9762\uff0c\u5176\u4ed6\u683c\u5f0f\u7684\u6587\u4ef6\u5b58\u5230\u6587\u4ef6\u5939\u91cc\u9762\u5c31\u884c                         Markdown addResult = null;                         if(\"md\".equals(prefix)){                             addResult = uploadFileService.uploadMarkdownFile(file, \"ceshi\", 2, file.getPath());                         }else{                             addResult = null;                         }                         ResultInfo resultInfo = new ResultInfo();                         resultInfo.setSuccess(true);                         resultInfo.setMessage(\"\u4e0a\u4f20\u6210\u529f\uff01\");                         resultInfo.setData(addResult);                         writeValue(response, resultInfo);                     }                 }             }         } catch (Exception e) {             e.printStackTrace();             System.out.println(\"\u6587\u4ef6\u4e0a\u4f20\u51fa\u73b0\u5f02\u5e38\");             ResultInfo resultInfo = new ResultInfo();             resultInfo.setSuccess(false);             resultInfo.setMessage(\"\u4e0a\u4f20\u5931\u8d25\uff01\");             resultInfo.setData(null);             writeValue(response, resultInfo);         }     } }  <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (4<\/span>)        <\/div>\n
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     \u8cc7\u6df1\u5927\u4f6c : serverABCD <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u76f4\u63a5\u7528 Spring \u5427\uff0c\u4f60\u5199\u7684\u8fd9\u4e9b\u4ee5\u540e\u5de5\u4f5c\u57fa\u672c\u7528\u4e0d\u5230\uff0c\u76f4\u63a5\u80cc\u4e00\u80cc\u77e5\u8bc6\u70b9\u9762\u8bd5\u7528\u5c31\u884c\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : CCIP <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e1a\u52a1\u903b\u8f91\u5199\u5230 service \u53c2\u6570\u6821\u9a8c\u653e\u5230 Servlet                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : cslive <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 Servlet \u4e86\u89e3\u4f1a\u7528\u5c31\u884c\uff0c\u540e\u9762\u76f4\u63a5 springboot \u5427\uff0c\u53e6\u5916\u8fd9\u4e2a\u4e0a\u4f20\u8def\u5f84\u653e\u5728\u54ea\u90fd\u884c\uff0c\u4f60\u770b\u7684\u6559\u7a0b\u592a\u8001\u4e86\uff0c\u627e\u70b9 springbootj \u6559\u7a0b\u770b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : night98 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 Servlet \u77e5\u9053\u4e2a\u5927\u6982\u5c31\u884c\u4e86\uff0c\u628a httprequest \u548c response \u5bf9\u8c61\u4e86\u89e3\u6e05\u695a\u5c31\u884c\uff0c\u7136\u540e\u770b springmvc \u5c31\u884c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u8bf7\u6559\u4e0b\u540e\u7aef Java \u5927\u4f6c \u8cc7\u6df1\u5927…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/340444"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=340444"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/340444\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=340444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=340444"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=340444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}