{"id":910,"date":"2018-09-17T18:17:23","date_gmt":"2018-09-17T09:17:23","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=910"},"modified":"2018-12-23T02:01:26","modified_gmt":"2018-12-22T17:01:26","slug":"http-log-filter","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/zh_tw\/\u90e8\u843d\u683c\/java\/http\u65e5\u8a8c\u904e\u6ffe\u5668","title":{"rendered":"\u4f7f\u7528 Java \u65e5\u8a8c\u904e\u6ffe\u5668\u89e3\u6790 HTTP"},"content":{"rendered":"<h2 class=\"common_title\"><a name=\"0\">\u4f7f\u7528 Java \u65e5\u8a8c\u904e\u6ffe\u5668\u89e3\u6790 HTTP \u8acb\u6c42<\/a><\/h2>\n<p>\n<strong>javax.servlet.Filter<\/strong>\u4e00\u7a2e\u5be6\u4f5c\u548c\u89e3\u6790HTTP\u8acb\u6c42\u5167\u5bb9\u548c\u8f38\u51fa\u65e5\u8a8c\u7684\u4fbf\u6377\u65b9\u6cd5\u3002<strong>\u7be9\u9078<\/strong>\u4ecb\u7d39\u73ed\u7d1a\u3002<br \/>\n<br \/>\n\u6b64\u65e5\u8a8c\u904e\u6ffe\u5668\u4f7f\u7528\u201cjava.util.logging.Logger\u201d\u9032\u884c\u65e5\u8a8c\u8f38\u51fa\uff0c\u60a8\u53ef\u4ee5\u900f\u904e\u8b8a\u66f4\u65e5\u8a8c\u7b49\u7d1a\u4f86\u8b8a\u66f4\u8cc7\u8a0a\u8f38\u51fa\u3002\n<\/p>\n<h2 class=\"common_title\"><a name=\"1\">\u4ec0\u9ebc\u662f javax.servlet.Filter\uff1f<\/a><\/h2>\n<p>\n\u5728\u5efa\u69cbWeb\u61c9\u7528\u6642\uff0c\u9664\u4e86\u4e3b\u8981\u696d\u52d9\u8655\u7406\u4e4b\u5916\uff0c\u9084\u9700\u8981\u5728\u4e3b\u8981\u696d\u52d9\u8655\u7406\u524d\u5f8c\u9032\u884c\u5e38\u898b\u7684\u4e8c\u6b21\u8655\u7406\u3002<br \/>\n\u4f8b\u5982\uff0c\u5ba2\u6236\u7aef\u8a8d\u8b49\u3001\u6b0a\u9650\u6aa2\u67e5\u3001\u65e5\u8a8c\u8a18\u9304\u7b49\u3002<br \/>\n\u5728\u6bcf\u500b\u8cc7\u6e90\u4e2d\u5c0d\u9019\u7a2e\u526f\u8655\u7406\u9032\u884c\u7de8\u78bc\u6210\u70ba\u963b\u7919\u8edf\u9ad4\u53ef\u7dad\u8b77\u6027\u7684\u4e3b\u8981\u539f\u56e0\uff0c\u5c0e\u81f4\u61c9\u7528\u7a0b\u5f0f\u96e3\u4ee5\u7dad\u8b77\u3002<\/p>\n<p>\u900f\u904e\u5be6\u4f5c javax.servlet.Filter\uff0c\u60a8\u901a\u5e38\u53ef\u4ee5\u5728\u8acb\u6c42\u50b3\u905e\u5230 servlet \u985e\u5225\u4e4b\u524d\u57f7\u884c\u6b64\u7aef\u8655\u7406\u3002<br \/>\n\u53e6\u5916\uff0c\u7531\u65bc\u904e\u6ffe\u5668\u8a2d\u5b9a\u53ef\u4ee5\u5728web.xml\u4e2d\u5b8c\u6210\uff0c\u56e0\u6b64\u60a8\u53ef\u4ee5\u9748\u6d3b\u5730\u65b0\u589e\u6216\u522a\u9664\u904e\u6ffe\u5668\uff0c\u800c\u7121\u9700\u66f4\u6539\u539f\u59cb\u7a0b\u5f0f\u78bc\u3002\n<\/p>\n<p><script type=\"text\/javascript\" src=\"https:\/\/chat-messenger.com\/js\/common.js?dd12sssas2223\" charset=\"UTF-8\"><\/script><br \/>\n<script type=\"text\/javascript\"> writePR(); <\/script><\/p>\n<h2 class=\"common_title\"><a name=\"2\">\u5617\u8a66\u4f7f\u7528\u65e5\u8a8c\u904e\u6ffe\u5668<\/a><\/h2>\n<p>\u8b93\u6211\u5011\u5be6\u969b\u4f7f\u7528\u65e5\u8a8c\u904e\u6ffe\u5668\u4f86\u904e\u6ffe HTTP \u8acb\u6c42\u4e26\u5c0d\u5176\u9032\u884c\u5206\u6790\u3002<br \/>\n\u9019\u6b21<a href=\"http:\/\/tomcat.apache.org\/\" target=\"_blank\">\u96c4\u8c93<\/a>\u6211\u5011\u5c07\u4f7f\u7528\u5f9e\u4e00\u958b\u59cb\u5c31\u53ef\u7528\u7684\u7bc4\u4f8b\u61c9\u7528\u7a0b\u5f0f\u3002<br \/>\n\u60a8\u53ef\u4ee5\u900f\u904e\u9032\u884c\u4ee5\u4e0b\u8a2d\u5b9a\u7acb\u5373\u904b\u884c\u6b64\u904e\u6ffe\u5668\u3002<\/p>\n<div class=\"point\">\n1.<a href=\"#4\"><strong>\u539f\u59cb\u78bc<\/strong><\/a>\u53d6\u5f97\u4e26\u7de8\u8b6f\u3002<br \/>\n2. \u5c07\u7de8\u8b6f\u597d\u7684\u985e\u5225\u6a94\u6848\u653e\u5728\u300c\/examples\/WEB-INF\/classes\u300d\u4e0b\u3002<br \/>\n3.\u5728web.xml\u4e2d\u8a2d\u5b9a\u4ee5\u4e0b\u5b9a\u7fa9\u3002\n<\/div>\n<pre class=\"sample_src\">  \u65e5\u8a8c\u904e\u6ffe\u5668\u65e5\u8a8c\u904e\u6ffe\u5668\u65e5\u8a8c\u7b49\u7d1a\u7f8e\u597d\u7684\u65e5\u8a8c\u904e\u6ffe\u5668\/*\r\n<\/pre>\n<p>*\u4f7f\u7528Struts\u6846\u67b6\u6642\u7684url-pattern\u5982\u4e0b\u3002<\/p>\n<pre class=\"sample_src\">   *\u3002\u505a\r\n<\/pre>\n<p>\n\u8acb\u6aa2\u67e5\u57f7\u884c\u6703\u8a71\u7bc4\u4f8b\u756b\u9762\u7684\u65e5\u8a8c\u8f38\u51fa\u7d50\u679c\u3002<br \/>\n<img src=\"https:\/\/chat-messenger.com\/images\/SessionsExample.jpg\" alt=\"\u4f7f\u7528 javax.servlet.Filter \u65e5\u8a8c\u904e\u6ffe\u5668\u5206\u6790 Web \u61c9\u7528\u7a0b\u5f0f\" border=\"0\"><br \/>\n<br clear=\"all\"><\/p>\n<h2 class=\"common_title\"><a name=\"3\">\u8f38\u51fa\u65e5\u8a8c\u8cc7\u8a0a\u548c\u65e5\u8a8c\u7d1a\u5225<\/a><\/h2>\n<p><strong>\u25cf\u65e5\u8a8c\u8f38\u51fa\u5167\u5bb9<\/strong><\/p>\n<table border=\"1\">\n<tbody>\n<tr bgcolor=\"#FFFF80\">\n<th>\u65e5\u8a8c\u8cc7\u8a0a<\/th>\n<th>\u65e5\u8a8c\u7b49\u7d1a<\/th>\n<\/tr>\n<tr>\n<td><strong>Cookie \u8cc7\u8a0a<\/strong><\/td>\n<td>\u7f8e\u597d\u7684<\/td>\n<\/tr>\n<tr>\n<td><strong>HTTP\u982d\u8a0a\u606f<\/strong><\/td>\n<td>\u7f8e\u597d\u7684<\/td>\n<\/tr>\n<tr>\n<td><strong>HTTP\u5176\u4ed6\u8cc7\u8a0a<\/strong><\/td>\n<td>\u7f8e\u597d\u7684<\/td>\n<\/tr>\n<tr>\n<td><strong>HTTP\u8acb\u6c42\u53c3\u6578<\/strong><\/td>\n<td>\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8acb\u6c42\u7bc4\u570d\u5c0d\u8c61<\/strong><\/td>\n<td>\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6703\u8a71\u7bc4\u570d\u7684\u5c0d\u8c61<\/strong><\/td>\n<td>\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8acb\u6c42\u524d\u5f8c\u7684\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1<\/strong><\/td>\n<td>\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u87a2\u5e55\u8f49\u63db\u8a0a\u606f<\/strong><\/td>\n<td>\u8cc7\u8a0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<p>\u6700\u597d\u5982\u4e0b\u4f7f\u7528\u65e5\u8a8c\u7b49\u7d1a\u3002<\/p>\n<ul>\n<li>FINE\uff1a\u8f38\u51fa\u6700\u8a73\u7d30\u7684\u65e5\u8a8c\u3002\u5982\u679c\u60a8\u60f3\u8a73\u7d30\u5206\u6790 HTTP \u8acb\u6c42\uff0c\u8acb\u8a2d\u5b9a\u6b64\u9805\u3002<\/li>\n<li>CONFIG... \u8f38\u51fa\u6bd4\u8f03\u8a73\u7d30\u7684\u65e5\u8a8c\u3002\u5728\u958b\u767c\u671f\u9593\u5c07\u5176\u4fdd\u6301\u5728\u9019\u500b\u6c34\u5e73\u662f\u4e00\u500b\u597d\u4e3b\u610f\u3002<\/li>\n<li>INFO\uff1a\u50c5\u8f38\u51fa\u87a2\u5e55\u8f49\u63db\u8a0a\u606f\u3002<\/li>\n<\/ul>\n<p><strong>\u25cf\u5982\u4f55\u66f4\u6539\u65e5\u8a8c\u7b49\u7d1a<\/strong><br \/>\n\u60a8\u53ef\u4ee5\u900f\u904e\u8a2d\u5b9a\u521d\u59cb\u5316\u53c3\u6578logging.Level\u4f86\u8b8a\u66f4\u65e5\u8a8c\u8f38\u51fa\u7b49\u7d1a\u3002<br \/>\n\u4f8b\u5b50\uff1a<\/p>\n<pre class=\"sample_src\">   \u65e5\u8a8c\u7b49\u7d1a\u8cc7\u8a0a\r\n<\/pre>\n\n<h2 class=\"common_title\"><a name=\"4\">\u539f\u59cb\u78bc<\/a><\/h2>\n<p><textarea readonly=\"readonly\" style=\"font-size: 13px;height: 400px;\" class=\"src\" onclick=\"this.focus();this.select()\">import java.io.IOException;<br \/>\nimport java.io.UnsupportedEncodingException;<br \/>\nimport java.sql.Time;<br \/>\nimport java.text.DecimalFormat;<br \/>\nimport java.text.SimpleDateFormat;<br \/>\nimport java.util.Date;<br \/>\nimport java.util.Enumeration;<br \/>\nimport java.util.Hashtable;<br \/>\nimport java.util.Iterator;<br \/>\nimport java.util.Map;<br \/>\nimport java.util.TreeMap;<br \/>\nimport java.util.logging.Formatter;<br \/>\nimport java.util.logging.Handler;<br \/>\nimport java.util.logging.Level;<br \/>\nimport java.util.logging.LogManager;<br \/>\nimport java.util.logging.LogRecord;<br \/>\nimport java.util.logging.Logger;<br \/>\nimport java.util.logging.StreamHandler;<\/p>\n<p>\u5c0e\u5165 javax.servlet.Filter;<br \/>\n\u5c0e\u5165 javax.servlet.FilterChain;<br \/>\n\u5c0e\u5165 javax.servlet.FilterConfig;<br \/>\n\u5c0e\u5165 javax.servlet.ServletException;<br \/>\n\u5c0e\u5165 javax.servlet.ServletRequest;<br \/>\n\u5c0e\u5165 javax.servlet.ServletResponse;<br \/>\n\u5c0e\u5165javax.servlet.http.Cookie\uff1b<br \/>\n\u5c0e\u5165 javax.servlet.http.HttpServletRequest;<br \/>\n\u5c0e\u5165 javax.servlet.http.HttpServletResponse;<br \/>\n\u5c0e\u5165 javax.servlet.http.HttpSession;<\/p>\n<p>\/**<br \/>\n * \u5be6\u4f5cjavax.servlet.Filter\u4f86\u5206\u6790HTTP\u8acb\u6c42\u5167\u5bb9\u4e26\u8f38\u51fa\u65e5\u8a8c<br \/>\n * \u904e\u6ffe\u5668\u985e\u5225\u3002<br \/>\n *\/<br \/>\n\u516c\u5171\u985e\u5225 LogFilter \u5be6\u4f5c Filter {<\/p>\n<p>    \u79c1\u4eba\u975c\u614b\u8a18\u9304\u5668\u8a18\u9304\u5668 =<br \/>\n        Logger.getLogger(LogFilter.class.getName());<br \/>\n    \u79c1\u6709\u975c\u614b\u6700\u7d42\u5b57\u4e32 LINE_SEPA =<br \/>\n        System.getProperty(\u201cline.separator\u201d);<br \/>\n    \u79c1\u6709\u975c\u614b\u6700\u7d42\u5b57\u4e32NEXT_PAGE =\u201cLogFilter.NEXT_PAGE\u201d;<\/p>\n<p>    \/**<br \/>\n     * \u521d\u59cb\u5316\u8a72\u65e5\u8a8c\u904e\u6ffe\u5668\u3002<br \/>\n     * @\u53c3\u6578\u6620\u5c04<br \/>\n     *\/<br \/>\n    \u516c\u5171\u7121\u6548\u521d\u59cb\u5316\uff08FilterConfig\u6620\u5c04\uff09{<br \/>\n        String str = mapping.getInitParameter(\u201clogging.Level\u201d);<br \/>\n        System.out.println(\u201c\u8a2d\u5b9a\u65e5\u8a8c\u7b49\u7d1a\u70ba\u201c+str+\u201d\u3002\u201d);<br \/>\n        \u7b49\u7d1a level = null;<br \/>\n        \u5617\u8a66 {<br \/>\n            \u7d1a\u5225 = Level.parse(str);<br \/>\n        } catch (\u7570\u5e38 e) {<br \/>\n            e.printStackTrace();<br \/>\n            \u7d1a\u5225 = \u7d1a\u5225.INFO;<br \/>\n        }<br \/>\n        LogManager.getLogManager().reset();<br \/>\n        \u8655\u7406\u7a0b\u5e8f handler = new CustomConsoleHandler();<br \/>\n        handler.setFormatter(new CustomFormatter());<br \/>\n        handler.setLevel(\u7d1a\u5225);<br \/>\n        logger.setLevel(\u7d1a\u5225);<br \/>\n        logger.getParent().addHandler(\u8655\u7406\u7a0b\u5e8f);<br \/>\n    }<\/p>\n<p>    \/**<br \/>\n     * \u9019\u662f\u4e00\u500b\u8f38\u51fa\u65e5\u8a8c\u7684\u904e\u6ffe\u5668\u3002<br \/>\n     * @param request \u6b63\u5728\u8655\u7406\u7684HTTP\u8acb\u6c42<br \/>\n     * @param response \u6b63\u5728\u7522\u751f HTTP \u56de\u61c9<br \/>\n     * @\u53c3\u6578\u93c8<br \/>\n     *\/<br \/>\n    \u516c\u5171\u7121\u6548 doFilter(ServletRequest _request, ServletResponse _response,<br \/>\n            FilterChain \u93c8\uff09\u62cb\u51fa IOException\u3001ServletException {<\/p>\n<p>        \/\/ --------------------\u201c\u9810\u8655\u7406\u201d<br \/>\n        HttpServletRequest \u8acb\u6c42 = (HttpServletRequest)_request;<br \/>\n        HttpServletResponse \u56de\u61c9 = (HttpServletResponse) _response;<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            \u8a18\u9304\u5668.config(<br \/>\n                \u201c============\u8acb\u6c42\u958b\u59cb\uff01\uff01\u201d<br \/>\n                +\u201c\u7dda\u7a0bID\uff1a\u201d<br \/>\n                + Thread.currentThread().hashCode()<br \/>\n                + &#8221; ========================================================&#8221;);<br \/>\n        }<br \/>\n        \/\/ \u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1<br \/>\n        \u5b57\u4e32actionMemory = null;<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            \u52d5\u4f5c\u8a18\u61b6\u9ad4 = getMemoryInfo(\u201d \u201d<br \/>\n                    + new Time(System.currentTimeMillis()) + \u201dRequest[\u4e0a\u4e00\u500b]\u201d);<br \/>\n        }<br \/>\n        \u5982\u679c (logger.isLoggable(Level.FINE)) {<br \/>\n            logger.fine(\u201cCookie \u8cc7\u8a0a\u201d + getCookieInfo(request));<br \/>\n        }<br \/>\n        \u5982\u679c (logger.isLoggable(Level.FINE)) {<br \/>\n            logger.fine(\u201cHTTP\u982d\u8cc7\u8a0a\u201d + getHeadersInfo(request));<br \/>\n        }<br \/>\n        \u5982\u679c (logger.isLoggable(Level.FINE)) {<br \/>\n            \u8a18\u9304\u5668<br \/>\n                    .fine(\u201cHTTP\u5176\u4ed6\u8cc7\u8a0a\u201d + getRequestOtherInfo(request));<br \/>\n        }<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            \u5b57\u4e32 reqlog = getRequestParametersInfo(request);<br \/>\n            logger.config(\u201cHTTP\u8acb\u6c42\u53c3\u6578\u201d + reqlog);<br \/>\n        }<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            logger.config(\u201c\u8acb\u6c42\u7bc4\u570d\u7269\u4ef6\u201d<br \/>\n                    + getRequestAttributeInfo(\u8acb\u6c42));<br \/>\n        }<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            \u5b57\u4e32 sessionlog = getSessionInfo(request,true);<br \/>\n            logger.config(\u201c\u6703\u8a71\u7bc4\u570d\u7269\u4ef6\uff08\u8acb\u6c42\u8655\u7406\u4e4b\u524d\uff09\u201d<br \/>\n                    + \u6703\u8a71\u65e5\u8a8c\uff09\uff1b<br \/>\n        }<\/p>\n<p>        \/\/ \u547c\u53eb\u4e0b\u4e00\u500b\u904e\u6ffe\u5668<br \/>\n        chain.doFilter(\u8acb\u6c42\uff0c\u56de\u61c9);<\/p>\n<p>        \/\/ - - - - - - - - - - \u201c\u5f8c\u88fd\u201d<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            \u5b57\u4e32 sessionlog = getSessionInfo(request,false);<br \/>\n            logger.config(\u201c\u6703\u8a71\u7bc4\u570d\u7269\u4ef6\uff08\u8acb\u6c42\u8655\u7406\u5f8c\uff09\u201d<br \/>\n                    + \u6703\u8a71\u65e5\u8a8c\uff09\uff1b<br \/>\n        }<br \/>\n        \/\/ \u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            actionMemory = \u300d\u8acb\u6c42\u524d\u5f8c\u7684\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1\u201d+LINE_SEPA<br \/>\n                    + \u52d5\u4f5c\u5167\u5b58 + LINE_SEPA<br \/>\n                    + getMemoryInfo(\u201d \u201d + new Time(System.currentTimeMillis())<br \/>\n                            +\u201c\u8acb\u6c42[\u4e4b\u5f8c]\u201d\uff09\uff1b<br \/>\n            logger.config(actionMemory+LINE_SEPA);<\/p>\n<p>        }<br \/>\n        \/\/ \u87a2\u5e55\u8f49\u63db\u8a0a\u606f<br \/>\n        \u5982\u679c (logger.isLoggable(Level.INFO)) {<br \/>\n            String nextPage = (String) request.getAttribute(NEXT_PAGE);<br \/>\n            if (nextPage == null || nextPage.length() == 0) {<br \/>\n                \u4e0b\u4e00\u9801 = request.getRequestURI();<br \/>\n            }<br \/>\n            logger.info(\u201cNEXT_PAGE=[\u201d + nextPage + \u201c], \u201d<br \/>\n                    + \u201cIP_ADDRESS=[\u201d + request.getRemoteAddr() + \u201c], \u201d<br \/>\n                    + \u201cSESSION_ID=[\u201d + request.getSession().getId() + \u201c], \u201d<br \/>\n                    + \u201cUSER-AGENT=[\u201d + request.getHeader(\u201c\u7528\u6236\u4ee3\u7406\u201d) + \u201c]\u201d);<br \/>\n        }<br \/>\n        \u5982\u679c\uff08logger.isLoggable\uff08Level.CONFIG\uff09\uff09{<br \/>\n            \u8a18\u9304\u5668.config(<br \/>\n                \u201c============\u8acb\u6c42\u7d50\u675f\uff01\uff01\u201d<br \/>\n                +\u201d\u7dda\u7a0bID:\u201d+ Thread.currentThread().hashCode()<br \/>\n                + &#8221; =========================================================&#8221;<br \/>\n                +LINE_SEPA+LINE_SEPA);<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/**<br \/>\n     *<br \/>\n     *\/<br \/>\n    \u516c\u5171\u7121\u6548\u92b7\u6bc0\uff08\uff09{<br \/>\n    }<\/p>\n<p>    \/\/ \uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d \u4e0b\u9762\u7684\u79c1\u6709\u65b9\u6cd5 \uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d\uff0d<br \/>\n    \u79c1\u6709\u975c\u614b String getMemoryInfo(String message) {<br \/>\n        DecimalFormat dFromat = new DecimalFormat(\u201c#,###KB\u201d);<br \/>\n        \u9577\u7a7a\u9592 = Runtime.getRuntime().freeMemory() \/ 1024;<br \/>\n        \u9577\u7e3d\u8a08 = Runtime.getRuntime().totalMemory() \/ 1024;<br \/>\n        \u9577\u6700\u5927\u503c = Runtime.getRuntime().maxMemory() \/ 1024;<br \/>\n        \u4f7f\u7528\u6642\u9593\u9577=\u7e3d\u8a08-\u514d\u8cbb\uff1b<br \/>\n        String msg = \u8a0a\u606f + \u201d : \u201d + \u201ctotal=\u201d + dFromat.format(total) + \u201c, \u201d<br \/>\n                + \u201c\u5df2\u4f7f\u7528\u91cf=\u201d + dFromat.format(\u5df2\u4f7f\u7528) + \u201d (\u201d + (\u5df2\u4f7f\u7528 * 100 \/ \u7e3d\u8a08)<br \/>\n                + \u201c%), \u6700\u5927\u53ef\u7528=\u201d + dFromat.format(max);<br \/>\n        \u8fd4\u56de\u8a0a\u606f\uff1b<br \/>\n    }<br \/>\n    \/**<br \/>\n     * \u5c07\u6240\u6709\u8acb\u6c42\u982d\u8f38\u51fa\u5230\u65e5\u8a8c\u4e2d\u3002<br \/>\n     *\/<br \/>\n    \u79c1\u4eba\u975c\u614b\u5b57\u4e32 getHeadersInfo(HttpServletRequest \u8acb\u6c42) {<br \/>\n        StringBuffer buff = new StringBuffer(LINE_SEPA);<br \/>\n        \u679a\u8209 headerNames = request.getHeaderNames();<br \/>\n        while (headerNames.hasMoreElements()) {<br \/>\n            String headerName = (String) headerNames.nextElement();<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(headerName);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(request.getHeader(headerName));<br \/>\n            buff.append(LINE_SEPA);<br \/>\n        }<br \/>\n        \u8fd4\u56de buff.toString();<br \/>\n    }<br \/>\n    \u79c1\u4eba\u975c\u614b\u5b57\u4e32 getCookieInfo(HttpServletRequest \u8acb\u6c42) {<br \/>\n        StringBuffer buff = new StringBuffer();<br \/>\n        Cookie[] cookies = request.getCookies();<br \/>\n        if (cookies == null) {<br \/>\n            \u8fd4\u56de \u201d\u201d;<br \/>\n        }<br \/>\n        for (int i = 0; i &lt; cookies.length; i++) {<br \/>\n            buff.append(\u201c\\n \u2014 Cookie[\u201d + i + \u201c] \u2014\\n\u201d);<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(cookies[i].getName());<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(cookies[i].getValue());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(\u201cgetVersion()\u201d);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(cookies[i].getVersion());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(\u201cgetComment()\u201d);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(cookies[i].getComment());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(\u201cgetDomain()\u201d);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(cookies[i].getDomain());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(\u201cgetMaxAge()\u201d);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(cookies[i].getMaxAge());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(\u201cgetPath()\u201d);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(cookies[i].getPath());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(\u201cgetSecure()\u201d);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            buff.append(cookies[i].getSecure());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n        }<br \/>\n        \u8fd4\u56de buff.toString();<br \/>\n    }<br \/>\n    \u79c1\u4eba\u975c\u614b\u5b57\u4e32 getRequestParametersInfo(HttpServletRequest \u8acb\u6c42) {<br \/>\n        StringBuffer buff = new StringBuffer(LINE_SEPA);<br \/>\n        \u5730\u5716map=convertRequest(request);<br \/>\n        TreeMap trr = new TreeMap(map);<br \/>\n        \u8fed\u4ee3\u5668 itr = trr.keySet().iterator();<br \/>\n        while (itr.hasNext()) {<br \/>\n            \u5b57\u4e32\u9375 = (\u5b57\u4e32) itr.next();<br \/>\n            buff.append(\u201c\u201d);<br \/>\n            buff.append(key);<br \/>\n            buff.append(\u201c=\u201d);<br \/>\n            \u7269\u4ef6\u503c=map.get(key);<br \/>\n            String[]\u503c=(String[])\u503c\uff1b<br \/>\n            if (values.length == 1) {<br \/>\n                buff.append(\u503c[0]);<br \/>\n            } \u5225\u7684 {<br \/>\n                \/\/ \u5b57\u4e32\u9663\u5217\u8f49\u63db<br \/>\n                \u5b57\u4e32 strValue = \u5c64\uff08\u503c\uff09\uff1b<br \/>\n                buff.append(strValue);<br \/>\n            }<br \/>\n            buff.append(LINE_SEPA);<br \/>\n        }<br \/>\n        \u8fd4\u56de buff.toString();<br \/>\n    }<br \/>\n    \u79c1\u4eba\u975c\u614b\u5b57\u4e32 getRequestAttributeInfo(HttpServletRequest \u8acb\u6c42) {<br \/>\n        StringBuffer buff = new StringBuffer(LINE_SEPA);<br \/>\n        \u679a\u8209 e = request.getAttributeNames();<br \/>\n        while (e.hasMoreElements()) {<br \/>\n            \u5b57\u4e32\u540d\u7a31 = (String) e.nextElement();<br \/>\n            buff.append(\u201d \u540d\u7a31=\u201d + \u540d\u7a31 + \u201c, attributeClass= \u201d<br \/>\n                    + request.getAttribute(name).getClass().getName()<br \/>\n                    + \u201c, toString() = \u201d + request.getAttribute(name)<br \/>\n                    + LINE_SEPA);<br \/>\n        }<br \/>\n        \u8fd4\u56de buff.toString();<br \/>\n    }<br \/>\n    \u79c1\u4eba\u975c\u614b\u5b57\u4e32 getRequestOtherInfo(HttpServletRequest \u8acb\u6c42) {<br \/>\n        StringBuffer buff = new StringBuffer();<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetCharacterEncoding()=\u201d);<br \/>\n        buff.append(request.getCharacterEncoding());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201cgetContentLength()=\u201d);<br \/>\n        buff.append(request.getContentLength());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetContentType()=\u201d);<br \/>\n        buff.append(request.getContentType());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetLocale()=\u201d);<br \/>\n        buff.append(request.getLocale());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetProtocol()=\u201d);<br \/>\n        buff.append(request.getProtocol());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetRemoteAddr()=\u201d);<br \/>\n        buff.append(request.getRemoteAddr());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetRemoteHost()=\u201d);<br \/>\n        buff.append(request.getRemoteHost());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetScheme()=\u201d);<br \/>\n        buff.append(request.getScheme());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetServerName()=\u201d);<br \/>\n        buff.append(request.getServerName());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetServerPort()=\u201d);<br \/>\n        buff.append(request.getServerPort());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201disSecure()=\u201d);<br \/>\n        buff.append(request.isSecure());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetAuthType()=\u201d);<br \/>\n        buff.append(request.getAuthType());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetContextPath()=\u201d);<br \/>\n        buff.append(request.getContextPath());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201cgetMethod()=\u201d);<br \/>\n        buff.append(request.getMethod());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetPathInfo()=\u201d);<br \/>\n        buff.append(request.getPathInfo());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201cgetPathTranslated()=\u201d);<br \/>\n        buff.append(request.getPathTranslated());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetQueryString()=\u201d);<br \/>\n        buff.append(request.getQueryString());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetRemoteUser()=\u201d);<br \/>\n        buff.append(request.getRemoteUser());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetRequestedSessionId()=\u201d);<br \/>\n        buff.append(request.getRequestedSessionId());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201cgetRequestURI()=\u201d);<br \/>\n        buff.append(request.getRequestURI());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetServletPath()=\u201d);<br \/>\n        buff.append(request.getServletPath());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201dgetUserPrincipal()=\u201d);<br \/>\n        buff.append(request.getUserPrincipal());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201disRequestedSessionIdFromCookie()=\u201d);<br \/>\n        buff.append(request.isRequestedSessionIdFromCookie());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201disRequestedSessionIdFromURL()=\u201d);<br \/>\n        buff.append(request.isRequestedSessionIdFromURL());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        buff.append(\u201disRequestedSessionIdValid()=\u201d);<br \/>\n        buff.append(request.isRequestedSessionIdValid());<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        \u8fd4\u56de buff.toString();<br \/>\n    }<\/p>\n<p>    private static String getSessionInfo(HttpServletRequest request,boolean before) {<br \/>\n        HttpSession \u6703\u8a71 = request.getSession();<br \/>\n        StringBuffer buff = new StringBuffer();<br \/>\n        buff.append(LINE_SEPA);<br \/>\n        \u5982\u679c\uff08\u4e4b\u524d\uff09{<br \/>\n            buff.append(\u201d session.isNew() = \u201d + session.isNew());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n            buff.append(\u201d session.getId() = \u201d + session.getId());<br \/>\n            buff.append(LINE_SEPA);<br \/>\n        }<br \/>\n        \u679a\u8209 e = session.getAttributeNames();<br \/>\n        while (e.hasMoreElements()) {<br \/>\n            String sessionName = (String) e.nextElement();<br \/>\n            String sessionClassName = session.getAttribute(sessionName)<br \/>\n                    .getClass().getName();<br \/>\n            buff.append(\u201d name =\u201d + sessionName + \u201c, value =\u201d<br \/>\n                    + session.getAttribute(sessionName) + \u201c, attributeClass = \u201d<br \/>\n                    + \u6703\u8a71\u985e\u5225\u540d\u7a31+LINE_SEPA);<br \/>\n        }<br \/>\n        \u8fd4\u56de buff.toString();<br \/>\n    }<\/p>\n<p>    \u79c1\u6709\u975c\u614bHashtable ConvertRequest\uff08HttpServletRequest\u8acb\u6c42\uff09{<br \/>\n        Hashtable tempHash = new Hashtable();<br \/>\n        \u679a\u8209 e = request.getParameterNames();<br \/>\n        while (e.hasMoreElements()) {<br \/>\n            String key = (String) e.nextElement();<br \/>\n            String[]values=request.getParameterValues(key);<br \/>\n            String[]\u53c3\u6578\u503c=new String[values.length];<br \/>\n            for (int i = 0; i &lt; \u503c.length; i++) {<br \/>\n                \u53c3\u6578\u503c[i] = convUnicode(\u503c[i]);<br \/>\n            }<br \/>\n            tempHash.put(key, \u53c3\u6578\u503c);<br \/>\n        }<br \/>\n        \u8fd4\u56de\u81e8\u6642\u54c8\u5e0c\u503c\uff1b<\/p>\n<p>    }<br \/>\n    \u79c1\u4eba\u975c\u614b\u5b57\u4e32\u5c64\uff08\u7269\u4ef6\u503c\uff09{<br \/>\n        \u5982\u679c\uff08\u503c==\u7a7a\uff09{<br \/>\n            \u8fd4\u56de\u300c\u7a7a\u300d\uff1b<br \/>\n        } else if (value instanceof String[]) {<br \/>\n            \u8fd4\u56de convString((String[]) \u503c);<br \/>\n        } \u5225\u7684 {<br \/>\n            \u50b3\u56de\u503c.toString();<br \/>\n        }<br \/>\n    }<\/p>\n<p>    \/**<br \/>\n     * \u5c07\u5b57\u4e32\u9663\u5217 [strArray] \u7684\u5167\u5bb9\u4f5c\u70ba\u5b57\u4e32\u50b3\u56de\uff0c\u5982\u4e0b\u6240\u793a\u3002<br \/>\n     *\u201c[\u6eab\u5ea61\uff0c\u6eab\u5ea62\uff0c\u6eab\u5ea63]\u201d<br \/>\n     * @param strArray \u8981\u8a08\u7b97\u7684\u5b57\u4e32\u6578\u7d44<br \/>\n     * @return \u8f49\u63db\u5f8c\u7684\u5b57\u4e32<br \/>\n     *\/<br \/>\n    \u79c1\u6709\u975c\u614b\u5b57\u4e32 convString(String[] strArray) {<br \/>\n        if (strArray == null)<br \/>\n            \u8fd4\u56de\u7a7a\u503c\uff1b<br \/>\n        StringBuffer buff = new StringBuffer(\u201c[\u201d);<br \/>\n        for (int i = 0; i &lt; strArray.length; i++) {<br \/>\n            buff.append(strArray[i] + \u201c, \u201c);<br \/>\n        }<br \/>\n        buff.delete(buff.length() \u2013 2, buff.length());<br \/>\n        buff.append(\u201c]\u201d);<br \/>\n        \u8fd4\u56de buff.toString();<br \/>\n    }<\/p>\n<p>    \/**<br \/>\n     * \u5c07 [str] \u8f49\u63db\u70ba Unicode\u3002<br \/>\n     * @\u53c3\u6578str<br \/>\n     * @\u8fd4\u56de<br \/>\n     *\/<br \/>\n    \u79c1\u6709\u975c\u614b\u5b57\u4e32 convUnicode(\u5b57\u4e32 str) {<br \/>\n        if (str == null)<br \/>\n            \u8fd4\u56de\u7a7a\u503c\uff1b<br \/>\n        \u5617\u8a66 {<br \/>\n            \u50b3\u56de\u65b0\u5b57\u4e32\uff08str.getBytes\uff08\u201c8859_1\u201d\uff09\uff0c\u201cJISAutoDetect\u201d\uff09\uff1b<br \/>\n        } catch (UnsupportedEncodingException e) {<br \/>\n            \u62cb\u51fa\u65b0\u7684\u904b\u884c\u6642\u7570\u5e38\uff08e\uff09\uff1b<br \/>\n        }<br \/>\n    }<br \/>\n    \/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>\n    \u975c\u614b\u985e\u5225 CustomFormatter \u64f4\u5145 Formatter {<br \/>\n        \u975c\u614b\u6700\u7d42\u5b57\u4e32\u6a21\u5f0f=\u201cyyyy\/MM\/dd HH:mm:ss\u201d\uff1b<br \/>\n        \u516c\u5171\u540c\u6b65\u5b57\u4e32\u683c\u5f0f\uff08LogRecord\u8a18\u9304\uff09{<br \/>\n            StringBuffer buf = new StringBuffer();<br \/>\n            \/\/ \u8a2d\u5b9a\u65e5\u671f\u548c\u6642\u9593<br \/>\n            \u65e5\u671f\u65e5\u671f = \u65b0\u65e5\u671f();<br \/>\n            date.setTime(record.getMillis());<br \/>\n            SimpleDateFormat \u683c\u5f0f\u5316\u7a0b\u5f0f = new SimpleDateFormat(pattern);<br \/>\n            buf.append(formatter.format(\u65e5\u671f));<br \/>\n            buf.append(\u201c:\u201d);<br \/>\n            \/\/ \u8a2d\u5b9a\u7b49\u7d1a<br \/>\n            buf.append(\u201c[\u201d + record.getLevel().getName() + \u201c]\u201d);<br \/>\n            buf.append(\u201c:\u201d);<br \/>\n            buf.append(record.getMessage());<br \/>\n            buf.append(LINE_SEPA);<br \/>\n            \u8fd4\u56de buf.toString();<br \/>\n        }<br \/>\n    }<br \/>\n    \u975c\u614b\u985e\u5225 CustomConsoleHandler \u64f4\u5145 StreamHandler {<br \/>\n        \u516c\u5171 CustomConsoleHandler() {<br \/>\n            \u6975\u597d\u7684\uff08\uff09;<br \/>\n            setOutputStream(System.out);<br \/>\n        }<br \/>\n        \/**<br \/>\n         * \u767c\u51fa\u65e5\u8a8c\u8a18\u9304\u3002<br \/>\n         * 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\u516c\u5171\u7121\u6548\u95dc\u9589\uff08\uff09{<br \/>\n            \u6c96\u6d17\uff08\uff09\uff1b<br \/>\n        }<br \/>\n    }<br \/>\n}<br \/>\n<\/textarea><\/p>","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Java \u65e5\u8a8c\u904e\u6ffe\u5668\u5206\u6790 HTTP \u8acb\u6c42 \u5be6\u4f5c javax.servlet.Filter \u4f86\u5206\u6790 HTTP \u8acb\u6c42 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