test.java的代码如下:(能成功编译成test.class) import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class HelloWorld extends HttpServlet{ public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html><head><title>"); out.println("This is my first Servlet"); out.println("</title ></head><body>"); out.println(" <h1>Hello,World!</h1>"); out.println("</body></html>"); }}
打错了,test.java 代码是这样的 import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class test extends HttpServlet{ public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html><head><title>"); out.println("This is my first Servlet"); out.println("</title ></head><body>"); out.println(" <h1>Hello,World!</h1>"); out.println("</body></html>"); }}
修改自己工程里的web.xml 文件 例如 <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <servlet> <description>This is the description of my J2EE component</description> <display-name>This is the display name of my J2EE component</display-name> <servlet-name>ShareServlet</servlet-name> <servlet-class>com.ShareServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>ShareServlet</servlet-name> <url-pattern>/servlet/ShareServlet</url-pattern> </servlet-mapping> </web-app>然后再试试 记住class文件放在web-inf /classes文件下
mapping映射关系吗?
具体怎么修改啊?是修改Tomcat 5.5\conf这个目录下的web.xml文件吗?
在代码的那个地方修改?怎么修改呢?还请大大指教!!!小弟在这鞠躬了!!!
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet{
public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html><head><title>");
out.println("This is my first Servlet");
out.println("</title ></head><body>");
out.println(" <h1>Hello,World!</h1>");
out.println("</body></html>");
}}
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class test extends HttpServlet{
public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html><head><title>");
out.println("This is my first Servlet");
out.println("</title ></head><body>");
out.println(" <h1>Hello,World!</h1>");
out.println("</body></html>");
}}
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>ShareServlet</servlet-name>
<servlet-class>com.ShareServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ShareServlet</servlet-name>
<url-pattern>/servlet/ShareServlet</url-pattern>
</servlet-mapping>
</web-app>然后再试试 记住class文件放在web-inf /classes文件下