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("<html>"); out.println("<head><title>hello, " + name + "</title></head>"); out.println("<body>"); out.println("hello, " + name); out.println("</body></html>"); }
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("<html>"); out.println("<head><title>hello world</title></head>"); out.println("<body>"); out.println("<big>hello world</big>"); out.println("</body></html>"); } } // ------------------------ //form.html
<html> <head> <title>introductions</title> </head> <body> <form method=get action="/servlet/hello"> if you don't mind me asking, what is your name? <input type=text name="name"><p> <input type=submit> </form> </body> </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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