网页输出日志文件
网页输出日志文件
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | @Controller @RequestMapping ( "/query/{username}/{password}" ) public class QueryController { private HttpServletRequest request; private HttpServletResponse response; private String username; private String password; final String userdir = System.getProperty( "user.dir" ); final String logPath = userdir.replace( "bin" , "logs" ); @ModelAttribute public void init( @PathVariable String username, @PathVariable String password,HttpServletRequest request,HttpServletResponse response){ this .username = username; this .password = password; this .request = request; this .response = response; } private void outFile(String path){ File file = new File(path); try ( InputStreamReader read = new InputStreamReader( new FileInputStream(file), "UTF-8" ); BufferedReader br= new BufferedReader(read) ) { StringBuilder sb = new StringBuilder(); htmlPrefix(sb); String r = br.readLine(); while (r != null ) { sb.append( "<pre>" + r + "</pre>" ); r = br.readLine(); } htmlSuffix(sb); responseOut(response, sb.toString()); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } @RequestMapping ( "/logFile" ) @ResponseBody public String queryLogFile(String filename) { if (checkUser()){ if (filename != null ) { String path = logPath + "/" + filename; outFile(path); } } return null ; } @RequestMapping ( "/log" ) @ResponseBody public String queryLog(){ if (checkUser()) { StringBuilder sb = new StringBuilder(); htmlPrefix(sb); File file = new File(logPath); File[] list = file.listFiles(); for (File file1 : list) { if (file1.isFile()) sb.append( "<a href=\"logFile?filename=" + file1.getName() + "\" target=\"_blank\">" + file1.getName() + "</a><br/>" ); } htmlSuffix(sb); return sb.toString(); } return null ; } @RequestMapping ( "/loggerFile" ) @ResponseBody public String queryLoggerFile(String dir,String filename) { if (checkUser()){ if (dir!= null && filename != null ) { String path = userdir + "/" + dir + "/" + filename; outFile(path); } } return null ; } /** * 查询 logger插件生成的目录 * @return */ @RequestMapping ( "/logger" ) @ResponseBody public String queryLogger( @RequestParam (required = false ) String dir){ if (checkUser()) { StringBuilder sb = new StringBuilder(); htmlPrefix(sb); String path = userdir; if (dir != null ){ path = path + "/" +dir; } File file = new File(path); File[] list = file.listFiles(); for (File file1 : list) { if (file1.isDirectory()) sb.append( "<a href=\"logger?dir=" +file1.getName()+ "\">" +file1.getName()+ "</a><br/>" ); } if (dir!= null ) { for (File file1 : list) { if (file1.isFile()) sb.append( "<a href=\"loggerFile?dir=" + dir + "&filename=" + file1.getName() + "\" target=\"_blank\">" + file1.getName() + "</a><br/>" ); } } htmlSuffix(sb); return sb.toString(); } return null ; } private void htmlPrefix(StringBuilder sb){ sb.append( "<!DOCTYPE html>" ); sb.append( "<html lang=\"zh-CN\">" ); sb.append( "<head>" ); sb.append( "<meta charset=\"utf-8\">" ); sb.append( "<title>LOGGER</title>" ); sb.append( "</head>" ); sb.append( "<body>" ); } private void htmlSuffix(StringBuilder sb){ sb.append( "</body>" ); sb.append( "</html>" ); } /** * 验证 * @return */ private boolean checkUser(){ if (username!= null && password != null ){ if (username.equals( "user" ) && password.equals( "password" )){ return true ; } } return false ; } /** * 输出文字 * * @param response * @param s */ private static void responseOut(HttpServletResponse response, String s) { response.setContentType( "text/html;charset=UTF-8" ); response.setCharacterEncoding( "UTF-8" ); try ( PrintWriter pw = response.getWriter() ) { pw.write(s); } catch (IOException e) { e.printStackTrace(); } } } |
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