JAVA一步一步的WEB编程关于SERVLET〈二〉
上次说到Java一步一步的Web编程关于JSP与JavaBean
现在说Servlet,由与内容多所以分几章来说
SERVLET〈一〉
它与别的CGI程序不同的是,它有强大的J2EE做后,配合JSP,JAVABEAN,连接EJB,
等更高一级的应用,这里慢慢说来,不同的SERVLET服务器配置,不同,现在就,语言本身STUDY
这里有一些例子,先看看:
//Hello.class
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Hello extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter;
String name = req.getParameter("name");
out.println("");
out.println("");
out.println("");
out.println("Hello, " + name);
out.println("");
}
public String getServletInfo {
return "A servlet that knows the name of the person to whom it's" +
"saying hello";
}
}
//HelloWorld.class
//-------------------------------
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter;
out.println("");
out.println("");
out.println("");
out.println("Hello World");
out.println("");
}
}
//
------------------------
//form.html
先配置一下,注意,SERVLET CLASS 放在,servlets 下,访问时,servlet下访问
我这里简单放在examples下了
C:jakarta-tomcat-3.3awebappsexamplesWEB-INFclasses上面的CLASS
访问的SERVLET class 如下
http://localhost:8080/examples/servlet/...
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