java获取客户端ip
public String getIpAddr(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip;
}
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package javatest_danny;
import java.lang.reflect.*;
public class refectmethodtest {
public static void main(String agrs[])
{
try
{
Class cmed=Class.forName("javatest_danny.baseclass");
&n ......
以一个工作中编写的安全域信息同步为例进行描述;
安全域信息同步其实就是一个XML文件的传输,WEB SERVICE 本质上就是通过XML进行数据的传输.
传输的XML格式如下:
<?xml version="1.0" encoding="UTF-8" ?>
- <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" SOAP-ENV: ......
今天公司不是很忙，就回顾了一下以前的冒泡排序和插入排序
package chen;
import java.util.Date;
public class Sort {
/**
* 冒泡排序
* @param list
* @author chenpengye
*/
public void sort(int[] list){
long begain=new Date().getTime();
&n ......
package javatest_danny;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
public class pipeStreamTest {
public static void main(String[] args) {
try
{
&nbs ......
