右擊項目名稱->Java Build Path->Libraries導入servlet.jar包
//HelloWorldServlet.java
package com.alibaba.lpxuan;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import java.io.IOException;
import java.io.PrintWriter;
public class HelloWorldServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html; charset=GBK");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>SimpleServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<p>Hello, World!</p>");
out.println("<p>Hello, this is my first servlet!</p>");
out.println("</body>");
out.println("</html>");
}
}
在WEB-INF下配置web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<display-name>My Web Application</display-name>
<servlet>
<servlet-name>helloWorldServlet</servlet-name>
<servlet-class>com.alibaba.lpxuan.HelloWorldServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>helloWorldServlet</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
<description>
A application for test.
</description>
</web-app>
運行..
http://localhost:8080/Myapp/hello
Hello, World!
Hello, this is my first servlet!
java servlet實例
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