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<HTML>
<HEAD>
<TITLE>Color Testing</TITLE>
</HEAD>
<!--
html注释
-->
<%--
注释1
aaaaaaa
--%>
<%
//注释2
/*
注释3
aaaaa
*/
String bgColor = request.getParameter("bgColor");
boolean hasExplicitColor;
if (bgColor != null) {
has ...
<HTML><HEAD><TITLE>JSP Declarations</TITLE><META NAME="author" CONTENT="Marty Hall"><META NAME="keywords" CONTENT="JSP,declarations,JavaServer,Pages,servlets"><META NAME="description" CONTENT="A qu ...
<html>
<head></head>
<body>
<%
out.println("HelloWorld!");
%>
</body>
</html>
TestB
- 博客分类：
- Servlet / JSP
public class TestB {
static String zhongwen = "中文";
static byte[] bytes = null;
public static void main(String[] args) throws Exception {
// GBK
//main1();
// utf-8
//main2();
// GBK-->utf-8-->GBK
//main3();
// GBK-->iso8859-1-->utf-8-->iso8859-1 ...
import java.sql.*;
public class DB {
public static Connection getConn() {
Connection conn = null;
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost/bbs?user=root&password=root");
} catch (ClassNotFoun ...
//该实例演示记录客户端主机信息的Filter
//Filter的意思是可以在Servlet实例进行实质性的处理之前，起到“过滤”的作用.
//一个Filter可以过滤一个或多个Servlet，
//Filter必须实现javax.Servlet.Filter接口，
//并且必须定义以下三个方法:init(),destory(),doFilter().
//web.xml添加如下内容
// <filter>
// <filter-name>LogFilter</filter-name>
// <filter-class&g ...
import javax.servlet.*;
import javax.servlet.http.*;
public class ServletToJSP extends HttpServlet {
public void doGet (HttpServletRequest req,HttpServletResponse resp) {
try {
// 设置属性并将它提交给ServletUseJsp.jsp
resp.setContentType("text/html;charset=gb2312");
r ...
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
//获取所有的参数
public class ShowParametersMap extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setCo ...
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
//注意<init-param>标签的位置
...
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;
public class ShowRsUseBean extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.se ...
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;
//1.仔细检查连接串。
//2.确认有没有这个表
//3.如果出错了。先去后台看报错的信息。
//4.确认mysql已经启动了。
//5.把jdbc的驱动拷贝到tomcat
public class ShowRs extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request,
H ...
import javax.servlet.http.*;
import javax.servlet.*;
import java.io.*;
import java.util.Date;
public class TestServletContext extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
resp ...
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;
import java.util.*;
//Session追踪
public class URLSession extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
...
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;
import java.util.*;
//Session追踪
public class ShowSession extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
...
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
/**
* 用于演示Servlet API中的Session管理机制
*/
public class SessionInfoServlet extends HttpServlet
{
/**
* Builds an HTML document containing session information and
* returns it to the client.
*/
public void d ...