微信发红包代码，解决中文乱码问题

最新推荐文章于 2023-04-01 18:27:11 发布

原创最新推荐文章于 2023-04-01 18:27:11 发布 · 9k 阅读

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#JEEWX #微信开发 #发红包 #中文乱码

微信发红包代码，解决中文乱码问题

废话不说，直接上代码。

package test;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.lang.reflect.Method;
import java.security.KeyStore;
import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

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.conn.ssl.SSLContexts;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import weixin.shop.util.Md5Encrypt;

/**
* 发送红包测试
*
* @author lenovo
*
*/
public class RedPackTest {
/**
* 红包发放接口
*/
public static final String TICKET_URL = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";

/**
* API密钥，在商户里账户设置中API安全中的API密钥设置密钥
*/
private static String key = "357e0bf2473b7c88c6d1900abeeeeeab";

/**
* 调用发送红包接口的参数
*/
private String[] paramKeys = new String[] { "nonce_str", "sign", "mch_billno", "mch_id", "sub_mch_id", "wxappid",
"nick_name", "send_name", "re_openid", "total_amount", "min_value", "max_value", "total_num", "wishing",
"client_ip", "act_name", "remark", "logo_imgurl", "share_content", "share_url", "share_imgurl" };

public static void main(String[] args) {
  try {
   RedPackTest redPackTest = new RedPackTest();
   String signString = redPackTest.createSignString();
   System.out.println("signString=" + signString);
   String sign = redPackTest.createSign(signString, key);
   System.out.println("sign=" + sign);
   String xml = redPackTest.createXML(sign);
   System.out.println("xml=" + xml);
   redPackTest.sendRedPacket(xml);
  } catch (Exception e) {
   e.printStackTrace();
  }
}

/**
* 生成签名字符串 
* 设所有发送或者接收到的数据为集合M， 
* 将集合M内非空参数值的参数按照参数名ASCII码从小到大排序（字典序） 
* 使用URL键值对的格式（即key1=value1&key2=value2…） 
* 拼接成字符串stringA 
* 特别注意以下重要规则： 
* 参数名ASCII码从小到大排序（字典序）； 
* 如果参数的值为空不参与签名； 
* 参数名区分大小写； 
* 验证调用返回或微信主动通知签名时，传送的sign参数不参与签名，将生成的签名与该sign值作校验。 
* 微信接口可能增加字段，验证签名时必须支持增加的扩展字段 
*
* @return
*/
private String createSignString() {
 StringBuffer signString = new StringBuffer("");
 Arrays.sort(paramKeys);
 for (String param : paramKeys) {
 try {
 Class<?> clz = Class.forName("test.RedPack");
 Object o = clz.newInstance();
 Method m = clz.getMethod("get" + param.substring(0, 1).toUpperCase()
 + param.substring(1, param.length()));
 String value = (String) m.invoke(o);
 if (value != null && !"".equals(value)) {
 signString.append(param + "=" + value + "&");
 }
 } catch (Exception e) {
 }
 }
 return signString.substring(0, signString.length() - 1);
}

/**
* 生成XML
*
* @return
*/
private String createXML(String sign) {
 StringBuffer signString = new StringBuffer("<xml>");
 Arrays.sort(paramKeys);
 for (String param : paramKeys) {
 try {
 Class<?> clz = Class.forName("test.RedPack");
 Object o = clz.newInstance();
 Method m = clz.getMethod("get" + param.substring(0, 1).toUpperCase()
 + param.substring(1, param.length()));
 String value = (String) m.invoke(o);
 if (value != null && !"".equals(value)) {
 signString.append("<" + param + ">" + value + "</" + param + ">");
 }
 } catch (Exception e) {
 }
 }
 return signString + "<sign>" + sign + "</sign></xml>";
}

/**
* 生成签名 
* 在stringA最后拼接上key=(API密钥的值)得到stringSignTemp字符串， 
* 并对stringSignTemp进行MD5运算， 
* 再将得到的字符串所有字符转换为大写， 
* 得到sign值signValue
*
* @param signString
* @param key
* @return
*/
private String createSign(String signString, String key) {
String sign = signString + "&key=" + key;
return Md5Encrypt.md5(sign).toUpperCase();
}

/**
* 发送红包
*
* @param xml
* @throws Exception
*/
public void sendRedPacket(String xml) throws Exception {
  KeyStore keyStore = KeyStore.getInstance("PKCS12");
  FileInputStream instream = new FileInputStream(new File("D:/apiclient_cert.p12"));
  try {
   keyStore.load(instream, "1234344302".toCharArray());
  } finally {
   instream.close();
  }
  // Trust own CA and all self-signed certs
  SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, "1234344302".toCharArray()).build();
  // Allow TLSv1 protocol only
  SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslcontext, new String[] { "TLSv1" }, null,
    SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
  CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(sslsf).build();
  try {
   HttpPost httpPost = new HttpPost(TICKET_URL);
   System.out.println("executing request" + httpPost.getRequestLine());
   //中文不成功是因为没加编码
   StringEntity myEntity = new StringEntity(xml, "utf-8");
   httpPost.setEntity(myEntity);
   CloseableHttpResponse response = httpclient.execute(httpPost);
   try {
    HttpEntity entity1 = response.getEntity();
    System.out.println("----------------------------------------");
    System.out.println(response.getStatusLine());
    if (entity1 != null) {
     System.out.println("Response content length: " + entity1.getContentLength());
     BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(entity1.getContent()));
     String text;
     while ((text = bufferedReader.readLine()) != null) {
      System.out.println(new String(text.getBytes("gbk"), "utf-8"));
     }
    }
    EntityUtils.consume(entity1);
   } catch (Exception e) {
    e.printStackTrace();
   } finally {
    response.close();
   }
  } finally {
   httpclient.close();
  }
}
}