JSP/Java获取HTTP header信息(request)例子
<%
//header.jsp
out.println("Protocol: " + request.getProtocol() + "<br>");
out.println("Scheme: " + request.getScheme() + "<br>");
out.println("Server Name: " + request.getServerName() + "<br>" );
out.println("Server Port: " + request.getServerPort() + "<br>");
out.println("Protocol: " + request.getProtocol() + "<br>");
out.println("Server Info: " + getServletConfig().getServletContext().getServerInfo() + "<br>");
out.println("Remote Addr: " + request.getRemoteAddr() + "<br>");
out.println("Remote Host: " + request.getRemoteHost() + "<br>");
out.println("Character Encoding: " + request.getCharacterEncoding() + "<br>");
out.println("Content Length: " + request.getContentLength() + "<br>");
out.println("Content Type: "+ request.getContentType() + "<br>");
out.println("Auth Type: " + request.getAuthType() + "<br>");
out.println("HTTP Method: " + request.getMethod() + "<br>");
out.println("Path Info: " + request.getPathInfo() + "<br>");
out.println("Path Trans: " + request.getPathTranslated() + "<br>");
out.println("Query String: " + request.getQueryString() + "<br>");
out.println("Remote User: " + request.getRemoteUser() + "<br>");
out.println("Session Id: " + request.getRequestedSessionId() + "<br>");
out.println("Request URL: " + request.getRequestURL() + "<br>");
out.println("Request URI: " + request.getRequestURI() + "<br>");
out.println("Servlet Path: " + request.getServletPath() + "<br>");
out.println
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传授新知
在Java语言中，数据类型可以分为两大类：
1）基本类型；
2）扩展类型。
在本小节中，我们就一起来学习一下Java语言的基本数据类型。它包括：boolean、char、byte、int、short、long、float、double八种：
类型 描述 取值范围
Boolean 布尔型 只有两个值t ......
(1)栈
package ChapterOne;
public class Stack {
//栈数组
long stackArr[];
//栈的大小
int maxSize;
//栈的顶部
int top;
//初始化一个大小为size的栈
public Stack(int size){
maxSize = size;
stackArr = new long[size];
top = -1;
}
//出栈操作
public long pop(){
return sta ......
/Download by HTTP
//For other protocol, do it yourself
import java.net.*;
import java.io.*;
public class DonwLoa ......
在JSP和Servlet中有几个地方都可以设置编码，各个编码的功能也不一样，本文将对各个编码做一个小结。
各种编码一览
A. JSP/Servlet都有的编码设置
1. request.setCharacterEncoding("UTF-8")
2. response.setCharacterEncoding("UTF-8")
3. response.setContentType("text/html;
charset=U ......
