Servlet入门
Posted faded828x
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Tomcat初次使用
//a.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>a</title> </head> <body> <form action="http://localhost:8080/abc/hello" method="get"> <input type="submit"> </form> </body> </html>
//web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <servlet> <servlet-name>HelloServlet</servlet-name> <servlet-class>com.WebTest01.HelloServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloServlet</servlet-name> <url-pattern>/hello</url-pattern> </servlet-mapping> </web-app>
//index.jsp <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Test</title> </head> <body> This is Faded828x‘s first index.jsp page! </body> </html>
//HelloServlet.java
import javax.servlet.*; import java.io.IOException; public class HelloServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { System.out.println("doGet"); } @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { System.out.println("doPost"); } }
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