package com.xzx.gc.util;
|
|
|
import org.slf4j.Logger;
|
import org.slf4j.LoggerFactory;
|
|
import java.net.*;
|
import java.text.SimpleDateFormat;
|
import java.util.*;
|
|
|
public class PayForUtil {
|
|
private static Logger lg= LoggerFactory.getLogger(PayForUtil.class);;
|
|
/**
|
* 是否签名正确,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
|
* @return boolean
|
*/
|
public static boolean isTenpaySign(String characterEncoding, SortedMap<Object, Object> packageParams, String API_KEY) {
|
StringBuffer sb = new StringBuffer();
|
Set es = packageParams.entrySet();
|
Iterator it = es.iterator();
|
while(it.hasNext()) {
|
Map.Entry entry = (Map.Entry)it.next();
|
String k = (String)entry.getKey();
|
String v = (String)entry.getValue();
|
if(!"sign".equals(k) && null != v && !"".equals(v)) {
|
sb.append(k + "=" + v + "&");
|
}
|
}
|
sb.append("key=" + API_KEY);
|
|
//算出摘要
|
String mysign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toLowerCase();
|
String tenpaySign = ((String)packageParams.get("sign")).toLowerCase();
|
|
return tenpaySign.equals(mysign);
|
}
|
|
/**
|
* @author chenp
|
* @Description：sign签名
|
* @param characterEncoding
|
* 编码格式
|
* @param
|
* @return
|
*/
|
public static String createSign(String characterEncoding, SortedMap<Object, Object> packageParams, String API_KEY) {
|
StringBuffer sb = new StringBuffer();
|
Set es = packageParams.entrySet();
|
Iterator it = es.iterator();
|
while (it.hasNext()) {
|
Map.Entry entry = (Map.Entry) it.next();
|
String k = (String) entry.getKey();
|
String v = (String) entry.getValue();
|
if (null != v && !"".equals(v) && !"sign".equals(k) && !"key".equals(k)) {
|
sb.append(k + "=" + v + "&");
|
}
|
}
|
sb.append("key=" + API_KEY);
|
String sign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toUpperCase();
|
return sign;
|
}
|
|
/**
|
* @author chenp
|
* @Description：将请求参数转换为xml格式的string
|
* @param parameters
|
* 请求参数
|
* @return
|
*/
|
public static String getRequestXml(SortedMap<Object, Object> parameters) {
|
StringBuffer sb = new StringBuffer();
|
sb.append("<xml>");
|
Set es = parameters.entrySet();
|
Iterator it = es.iterator();
|
while (it.hasNext()) {
|
Map.Entry entry = (Map.Entry) it.next();
|
String k = (String) entry.getKey();
|
String v = (String) entry.getValue();
|
if ("attach".equalsIgnoreCase(k) || "body".equalsIgnoreCase(k) || "sign".equalsIgnoreCase(k)) {
|
sb.append("<" + k + ">" + "<![CDATA[" + v + "]]></" + k + ">");
|
} else {
|
sb.append("<" + k + ">" + v + "</" + k + ">");
|
}
|
}
|
sb.append("</xml>");
|
return sb.toString();
|
}
|
|
/**
|
* 取出一个指定长度大小的随机正整数.
|
*
|
* @param length
|
* int 设定所取出随机数的长度。length小于11
|
* @return int 返回生成的随机数。
|
*/
|
public static int buildRandom(int length) {
|
int num = 1;
|
double random = Math.random();
|
if (random < 0.1) {
|
random = random + 0.1;
|
}
|
for (int i = 0; i < length; i++) {
|
num = num * 10;
|
}
|
return (int) ((random * num));
|
}
|
|
/**
|
* 获取当前时间 yyyyMMddHHmmss
|
* @author chenp
|
* @return String
|
*/
|
public static String getCurrTime() {
|
Date now = new Date();
|
SimpleDateFormat outFormat = new SimpleDateFormat("yyyyMMddHHmmss");
|
String s = outFormat.format(now);
|
return s;
|
}
|
/**
|
* 获取本机IP地址
|
* @author chenp
|
* @return
|
*/
|
public static String localIp(){
|
String ip = null;
|
Enumeration allNetInterfaces;
|
try {
|
allNetInterfaces = NetworkInterface.getNetworkInterfaces();
|
while (allNetInterfaces.hasMoreElements()) {
|
NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
|
List<InterfaceAddress> InterfaceAddress = netInterface.getInterfaceAddresses();
|
for (InterfaceAddress add : InterfaceAddress) {
|
InetAddress Ip = add.getAddress();
|
if (Ip != null && Ip instanceof Inet4Address) {
|
ip = Ip.getHostAddress();
|
}
|
}
|
}
|
} catch (SocketException e) {
|
lg.warn("获取本机Ip失败:异常信息:"+e.getMessage());
|
}
|
return ip;
|
}
|
|
}
|
