servlet得到web应用路径
2021-06-07 04:04
标签：port tps his index ack http log auth etc servlet得到web应用路径 标签：port tps his index ack http log auth etc 原文地址：http://www.cnblogs.com/tzzt01/p/7327341.htmlpackage context;
import java.io.IOException;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* 得到web应用路径
* @author Administrator
*
*/
public class ContextDemo1 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//1.得到ServletContext对象
// ServletContext context = this.getServletConfig().getServletContext();
ServletContext context = this.getServletContext(); // 推荐使用
//2.得到web应用路径 /day10
/*
* web应用路径：
* 部署到tomcat服务器上运行的web应用名称
*/
String contextPath = context.getContextPath();
System.out.println(contextPath);
/*
* 案例：应用到请求重定向
*/
response.sendRedirect(contextPath + "/index.jsp");
}
}