package com........util;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import javax.servlet.http.HttpServletRequest;
public class ConstantUtil {
/**
* 商家可以考虑读取配置文件
*/
public static String GATEURL = "https://api.mch.weixin.qq.com/pay/unifiedorder";//获取预支付id的接口url
public static String QUERYURL = "https://api.mch.weixin.qq.com/pay/orderquery";//获取微信支付订单支付情况url
public static String BODY="";//支付介绍看微信介绍
//微信扫码支付配置--start--微信公众平台APPID
public static String WECHAT_APP_ID="";//公司提供
public static String WECHAT_MCH_ID="";//公司提供
public static String WECHAT_APP_KEY="";//公司提供微信公众平台支付商户平台系统内的API密钥
public static String WECHAT_NOTIFY_URL="http://www.*******.com/weixinPayReturn";//微信扫码支付配置 回调路径--end--
public static String createSign(String Encoding, SortedMap
StringBuffer sb = new StringBuffer();
Set es = parameters.entrySet();
Iterator it = es.iterator();
while(it.hasNext()) {
Map.Entry entry = (Map.Entry)it.next();
String k = (String)entry.getKey();
Object v = entry.getValue();
if(null != v && !"".equals(v) && !"sign".equals(k) && !"key".equals(k)) {
sb.append(k + "=" + v + "&");
}
}
sb.append("key=" + ConstantUtil.WECHAT_APP_KEY);
String sign = MD5Util.MD5Encode(sb.toString(), Encoding).toUpperCase();
return sign;
}
public static boolean IsNumeric(String str) {
return str.matches("\\d *");
}
public static String parametersToXml(Map
String xml = "
Set es = parameters.entrySet();
Iterator it = es.iterator();
while(it.hasNext()) {
Map.Entry entry = (Map.Entry)it.next();
String key = (String)entry.getKey();
String val = (String)entry.getValue();
if(IsNumeric(val)) {
xml = xml + "<" + key + ">" + val + "";
} else {
xml = xml + "<" + key + ">";
}
}
xml = xml + "";
return xml;
}
public static String generateString(int length) {
StringBuffer sb = new StringBuffer();
Random random = new Random();
for (int i = 0; i < length; i++) {
sb.append(ALLCHAR.charAt(random.nextInt(ALLCHAR.length())));
}
return sb.toString();
}
public static String getIpAddress(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.getHeader("HTTP_CLIENT_IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip.equals("0:0:0:0:0:0:0:1")?"127.0.0.1":ip;
}
}