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java web中获取各种路径
一、获取项目路径:
1)
String path = request.getContextPath() :// /TestMyEclipse
String basePath = request.getScheme()+"://" +request.getServerName()+ ":" +request.getServerPort()+ path+"/";
http://127.0.0.1:8080/TestMyEclipse/
2)
路径是:<c:out value="http://www.mamicode.com/${pageContext.request.contextPath }"></c:out>
打印结果是:/springMVC 是项目根路径
二、获取url地址:
获取页面的url地址:
String url = request.getScheme()+"://" +request.getServerName()+ ":" +request.getServerPort();
url += request.getContextPath();
url += request.getServletPath() + "?" + request.getQueryString();
打印出来是:
http://localhost:8080/BBS/articleFlat.jsp?pageNo=2
还有两个:
System.out.println(request.getRequestURI());
System.out.println(request.getRequestURL()):
分别打印出来是:
/BBS/articleFlat.jsp
http://localhost:8080/BBS/articleFlat.jsp
所以上面的获取url地址,包括参数可以这么写了:
String url = request.getRequestURL() + "?" + request.getQueryString();
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java web中获取各种路径