{"id":1660,"date":"2010-04-23T11:27:35","date_gmt":"2010-04-23T03:27:35","guid":{"rendered":"\/?p=1660"},"modified":"2010-04-23T11:27:35","modified_gmt":"2010-04-23T03:27:35","slug":"1660","status":"publish","type":"post","link":"https:\/\/www.justzz.com\/spec\/1660.html","title":{"rendered":"Java Web\u5e94\u7528\u83b7\u53d6\u7a0b\u5e8f\u7269\u7406\u6839\u8def\u5f84\u7684\u4e24\u7c7b\u65b9\u6cd5"},"content":{"rendered":"<p><strong>\u4e00\u3001\u4e0d\u4f9d\u8d56Web\u7a0b\u5e8f\u53c2\u6570<\/strong><\/p>\n<p>\u4ee5\u4e0bWindow\u5e73\u53f0\u6d4b\u8bd5\u901a\u8fc7<\/p>\n<p><strong>p<\/strong>ublic class Util {<br \/>\n\/**<br \/>\n* \u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u7269\u7406\u6839\u8def\u5f84<br \/>\n*<br \/>\n*\/<br \/>\npublic static String getWebAppRootPath() {<br \/>\nString result = Util.class.getResource(\"Util.class\").toString();<br \/>\nSystem.out.print(result);<br \/>\nint index = result.indexOf(\"WEB-INF\");<br \/>\nif (index == -1) {<br \/>\nindex = result.indexOf(\"bin\");<br \/>\n}<br \/>\nresult = result.substring(0, index);<br \/>\nif (result.startsWith(\"zip\")) {\u00a0\u00a0\u00a0\u00a0 \/\/\u00a0 \u5f53class\u6587\u4ef6\u5728war\u4e2d\u65f6\uff0c\u8fd4\u56de\"zip:D:\/ ...\"\u6837\u7684\u8def\u5f84<br \/>\nresult = result.substring(10);<br \/>\n} else if (result.startsWith(\"file\")) {\u00a0\u00a0\u00a0 \/\/\u00a0 \u5f53class\u6587\u4ef6\u5728class\u6587\u4ef6\u4e2d\u65f6\uff0c\u8fd4\u56de\"file:\/F:\/ ...\"\u6837\u7684\u8def\u5f84<br \/>\nresult = result.substring(6);<br \/>\n}else if(result.startsWith(\"jar\")){\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ \u5f53class\u6587\u4ef6\u5728jar\u6587\u4ef6\u4e2d\u65f6\uff0c\u8fd4\u56de\"jar:file:\/F:\/ ...\"\u6837\u7684\u8def\u5f84<br \/>\nresult = result.substring(4);<br \/>\n}<br \/>\nif (result.endsWith(\"\/\"))\u00a0 result = result.substring(0, result.length() - 1);\/\/ \u4e0d\u5305\u542b\u6700\u540e\u7684\"\/\"<br \/>\nresult = result.replace(\"%20\", \" \"); \/\/Window\u4e0b\u66ff\u6362\u7a7a\u683c<br \/>\nreturn result;<br \/>\n}<br \/>\n}<\/p>\n<p><strong>\u4e8c\u3001\u4f7f\u7528Web\u7a0b\u5e8f\u53c2\u6570<\/strong><\/p>\n<p><strong>JSP<\/strong>\uff1a<\/p>\n<p>&lt;%= application.getRealPath(\"\/\") %&gt;<\/p>\n<p><strong>Servlet:<\/strong><\/p>\n<p>this.getFilterConfig().getServletContext().getRealPath(\"\/\");\/\/invoke at servlet filter<\/p>\n<p><strong>Struts2:<\/strong><\/p>\n<p>org.apache.struts2.ServletActionContext.getServletContext().getRealPath(\"\/\");<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u4e0d\u4f9d\u8d56Web\u7a0b\u5e8f\u53c2\u6570 \u4ee5\u4e0bWindow\u5e73\u53f0\u6d4b\u8bd5\u901a\u8fc7 public class Util { \/** * \u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u7269\u7406\u6839\u8def\u5f84 * *\/ public static String getWebAppRootPath() { String res&hellip;<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[16],"class_list":["post-1660","post","type-post","status-publish","format-standard","hentry","category-t","tag-webserver"],"_links":{"self":[{"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/posts\/1660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/comments?post=1660"}],"version-history":[{"count":0,"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/posts\/1660\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/media?parent=1660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/categories?post=1660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.justzz.com\/spec\/wp-json\/wp\/v2\/tags?post=1660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}