📄 ipcheck.jsp
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<%@ page contentType="text/html;charset=GBK"%>
<%@ page import="java.util.*"%>
<%@ page import="java.io.*"%>
<%@ page import="java.security.*"%>
<%@ page import="java.net.*"%>
<%@ page import="java.text.SimpleDateFormat"%>
<%!
class OnlineUser {
public String IPAddress;
public String AccountNO;
public String CalledNO;
public String CallingNO;
public java.util.Date LoginTime;
public String toString(){
return "用户记录：IPAddress="+IPAddress+" ,AccountNO="+AccountNO+" ,CalledNO="+CalledNO+" ,CallingNO="+CallingNO+" ,LoginTime="+LoginTime;
}
}
public static String byte2HEX(byte b) {
return (""+"0123456789ABCDEF".charAt(0xf&b>>4)+"0123456789ABCDEF".charAt(b&0xF));
}
public static byte stringHEX2bytes(String str) {
return (byte) ("0123456789ABCDEF".indexOf(str.substring(0,1))*16 + "0123456789ABCDEF".indexOf(str.substring(1)));
}
public static String md5bytes2string(byte[] bytes){
String result = "";
for(int i=0; i<bytes.length; i++){
result += byte2HEX(bytes[i]);
}
return result;
}
public static byte[] md5string2bytes(String str){
byte[] b = new byte[str.length()/2];
for(int i=0; i<b.length; i++){
String s = str.substring(i*2,i*2+2);
b[i] = stringHEX2bytes(s);
}
return b;
}
/**
* 从response字符串中，取出key字段的值，如果key指定的字段不存在，返回null
* @param key -- 字段名称
* @param response -- Time接口返回的内容。
* @return 字段的值，如果字段不存在返回null.
*/
public static String getAttribue(String key, String response)
{
String POSTFIX = "=\"";
String RIGTH_PARENTHESIS = "\"";
String field = key + POSTFIX;
String result = null;
if(response == null || response.trim().length() == 0)
{
return null;
}
if(response.indexOf(field) < 0)
{
return null;
}
int pre = response.indexOf(field) + field.length();
int post = response.indexOf(RIGTH_PARENTHESIS, pre);
if(post < 0)
{
return null;
}
result = response.substring(pre, post);
if(result != null && result.trim().length() == 0)
{
return null;
}
return result;
}
%>
<%
String ipaddress = request.getParameter("ipaddress");
if(ipaddress == null || ipaddress.length()==0){
//初始页面
%>
<html>
<head>
<title>
检查IP是否在线
</title>
</head>
<body>
<form method="post" name="form1" action="ipcheck.jsp">
检查IP是否在线
IP地址<input name="ipaddress" type="text" value="192.168.0.1">
<input type="submit" >
</form>
</body>
</html>
<%
}else {
String ICPCode="test";
String ICPKey="7EF36F3A638D3066";
String seed = ICPCode + ICPKey + ipaddress;
MessageDigest md = MessageDigest.getInstance("MD5");
String ICPVerifyCode = md5bytes2string(md.digest(seed.getBytes()));
String serverVerifyURL = "http://192.168.2.156:8080/nas/interface/CheckOnline.jsp";
serverVerifyURL += "?icpcode=" + ICPCode + "&icpverifycode=" + ICPVerifyCode + "&ipaddress=" + ipaddress ;
System.out.println(serverVerifyURL);
//invoke jsp pages here
URL aurl = new URL(serverVerifyURL);
BufferedReader in = new BufferedReader(new InputStreamReader(aurl.openStream()));
String line=null;
String errormessage=null;
String result=null;
String AccountNO=null;
String CalledNO=null;
String CallingNO=null;
String LoginTime=null;
OnlineUser online = new OnlineUser();
while((line=in.readLine())!=null){
System.out.println(line);
if(line.length()>0 && line.indexOf("Response")!=-1 && line.indexOf("Result")!=-1){
errormessage=getAttribue("ErrorMessage",line);
result=getAttribue("Result",line);
AccountNO =getAttribue("AccountNO",line);
CalledNO =getAttribue("CalledNO",line);
CallingNO =getAttribue("CallingNO",line);
LoginTime =getAttribue("LoginTime",line);
if("3000".equals(result)||"2000".equals(result)){
//发现错误或对帐成功
break;
}else{
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
online.IPAddress = ipaddress;
online.AccountNO = AccountNO;
online.CalledNO = CalledNO;
online.CallingNO = CallingNO;
online.AccountNO = AccountNO;
online.LoginTime = dateFormat.parse(LoginTime);
}
}
}
if("3000".equals(result)){
out.println("发现错误，错误信息为：" + errormessage);
}else if("1000".equals(result)){
out.println("该IP在线,详细信息为：" + online);
}else if("2000".equals(result)){
out.println("该IP不在线");
}else{
out.println("无发失败返回结果");
}
}
%>
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