（Java）jfinal 实现微信现金红包发送，欢迎各种软件业务订制开发合作

/**
 * 
 */
package com.laoyao.SendRedPack;


import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;


import javax.net.ssl.SSLContext;


import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.util.EntityUtils;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;


import com.jfinal.kit.PropKit;
import com.laoyao.util.MessageUtil;
import com.laoyao.util.abc;




/**
 *类描述：
 * 
 * @author: laoyao
 *@date： 日期：2016-12-22 时间：下午05:03:55
 *@version 1.0
 */
public class RedPackUtil {
/**
* 生成6位或10位随机数 param codeLength(多少位)
* 
* @return
*/
private static String createCode(int codeLength) {
String code = "";
for (int i = 0; i < codeLength; i++) {
code += (int) (Math.random() * 9);
}
return code;
}


private static boolean isValidChar(char ch) {
if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z')
|| (ch >= 'a' && ch <= 'z'))
return true;
if ((ch >= 0x4e00 && ch <= 0x7fff) || (ch >= 0x8000 && ch <= 0x952f))
return true;// 简体中文汉字编码
return false;
}


/**
* 除去数组中的空值和签名参数
* 
* @param sArray
*            签名参数组
* @return 去掉空值与签名参数后的新签名参数组
*/
public static Map<String, String> paraFilter(Map<String, String> sArray) {


Map<String, String> result = new HashMap<String, String>();


if (sArray == null || sArray.size() <= 0) {
return result;
}


for (String key : sArray.keySet()) {
String value = sArray.get(key);
if (value == null || value.equals("")
|| key.equalsIgnoreCase("sign")
|| key.equalsIgnoreCase("sign_type")) {
continue;
}
result.put(key, value);
}


return result;
}


/**
* 把数组所有元素排序，并按照“参数=参数值”的模式用“&”字符拼接成字符串
* 
* @param params
*            需要排序并参与字符拼接的参数组
* @return 拼接后字符串
*/
public static String createLinkString(Map<String, String> params) {


List<String> keys = new ArrayList<String>(params.keySet());
Collections.sort(keys);
String prestr = "";


for (int i = 0; i < keys.size(); i++) {
String key = keys.get(i);
String value = params.get(key);


if (i == keys.size() - 1) {// 拼接时，不包括最后一个&字符
prestr = prestr + key + "=" + value;
} else {
prestr = prestr + key + "=" + value + "&";
}
}


return prestr;
}


/**
* 发送现金红包
* 
* @throws KeyStoreException
* @throws IOException
* @throws CertificateException
* @throws NoSuchAlgorithmException
* @throws UnrecoverableKeyException
* @throws KeyManagementException