import java.io.*;
import java.util.*;
import java.servlet.*;
import java.servlet.http.*;
public class HelloWorld extends HttpServlet{
public void doGET(HttpServletRequest request,
HttpServletResponse response)
throws IOException,ServletException
{
response.setContentType("text/html");
PrintWriter out=response.getWriter();
out.println("<html>");
out.println("<body bg color=\"white\">");
out.println("<head>");
String title="HelloWorld!";
out.println("<title>"+title+"</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>"+title+"</h1>");
out.println("</body></html>");
}
}
编译出错提示信息如下
HelloWorld.java:3: package java.servlet does not exist
import java.servlet.*;
^
HelloWorld.java:4: package java.servlet.http does not exist
import java.servlet.http.*;
^
HelloWorld.java:5: cannot resolve symbol
symbol : class HttpServlet
location: class HelloWorld
public class HelloWorld extends HttpServlet{
^
HelloWorld.java:6: cannot resolve symbol
symbol : class HttpServletRequest
location: class HelloWorld
public void doGET(HttpServletRequest request,
^
HelloWorld.java:7: cannot resolve symbol
symbol : class HttpServletResponse
location: class HelloWorld
HttpServletResponse response)
^
HelloWorld.java:8: cannot resolve symbol
symbol : class ServletException
location: class HelloWorld
throws IOException,ServletException
是因为什么呢?我以为是找不到servlet.*的文件我用的是jdk1.3.1
jswdk1.0.1不知道问题出在哪里呢?