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WechatGroup

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Lishundong
2025-09-22 17:06:47 +08:00
commit 410182ec79
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ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/WechatUtil.java Normal file
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package com.ruoyi.cms.util;
import cn.hutool.core.io.file.FileReader;
import cn.hutool.core.util.CharsetUtil;
import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.utils.StringUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.springframework.stereotype.Component;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.util.Formatter;
import java.util.HashMap;
import java.util.Map;
@Slf4j
@Component
public class WechatUtil {
/**
* 生成signature
**/
private static String appid = "wx7cab1155e849fe18";
private static String secret = "0263f34d422d24588d6c2df8f09500ab";
public AppWechatEntity sign(String url) {
Map<String, String> ret = new HashMap();
String nonceStr = create_nonce_str();
String timestamp = Long.toString(create_timestamp());
String string1;
String signature = "";
//获取jsapi_ticket和过期时间
AppWechatEntity appWechatEntity = getJsapiTicket();
String jsapiTicket = appWechatEntity.getJsapi_ticket();
Long expireTime = appWechatEntity.getExpire_time();
//注意这里参数名必须全部小写，且必须有序
string1 = "jsapi_ticket=" + jsapiTicket +
"&noncestr=" + nonceStr +
"&timestamp=" + timestamp +
"&url=" + url;
try {
MessageDigest crypt = MessageDigest.getInstance("SHA-1");
crypt.reset();
crypt.update(string1.getBytes(StandardCharsets.UTF_8));
signature = byteToHex(crypt.digest());
} catch (Exception e) {
e.printStackTrace();
}
appWechatEntity.setAppId(appid);
appWechatEntity.setExpire_time(expireTime);
appWechatEntity.setNonceStr(nonceStr);
appWechatEntity.setTimestamp(timestamp);
appWechatEntity.setSignature(signature);
return appWechatEntity;
}
/**
* 获取jsapi_ticket
**/
public AppWechatEntity getJsapiTicket() {
//logger.debug("--------------开始执行getJsapiTicket方法--------------");
//定义过期时间
AppWechatEntity appWechatEntity = new AppWechatEntity();
String accessTokenString = "";
String jsapiTicketString = "";
String jsapi_ticket = "";
String access_token = "";
jsapiTicketString = readWechatTokenFile(getJsapiTicketFilePath());
if (!StringUtils.isEmpty(jsapiTicketString)) {
appWechatEntity = JSONObject.parseObject(jsapiTicketString, AppWechatEntity.class);
long expireTime = appWechatEntity.getExpire_time();
long curTime = create_timestamp();
if (expireTime >= curTime && StrUtil.isNotEmpty(appWechatEntity.getJsapi_ticket())) {
//logger.debug("已有的jsapi_ticket=" + jsapi_ticket);
return appWechatEntity;
}
}
long timestamp = create_timestamp() + 7000;//过期时间是2小时(7200s)
access_token =
getAccessTokenData("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid+ "&secret=" + secret);
Map accessTokenMap = new HashMap();
accessTokenMap.put("expire_time", timestamp);
accessTokenMap.put("access_token", access_token);
accessTokenString = JSONObject.toJSONString(accessTokenMap);
jsapi_ticket = getJsapiTicketData("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + access_token + "&type=jsapi");
Map jsapiTicketMap = new HashMap();
jsapiTicketMap.put("expire_time", timestamp);
jsapiTicketMap.put("jsapi_ticket", jsapi_ticket);
jsapiTicketString = JSONObject.toJSONString(jsapiTicketMap);
// 写文件
try {
FileUtils.writeStringToFile(new File(getAccessTokenFilePath()), accessTokenString, CharsetUtil.CHARSET_UTF_8);
FileUtils.writeStringToFile(new File(getJsapiTicketFilePath()), jsapiTicketString, CharsetUtil.CHARSET_UTF_8);
//logger.debug("写入文件成功");
} catch (IOException e) {
log.debug("写文件异常：" + e.getMessage());
e.printStackTrace();
}
appWechatEntity.setJsapi_ticket(jsapi_ticket);
appWechatEntity.setExpire_time(timestamp);
appWechatEntity.setAccess_token(access_token);
//logger.debug("--------------结束执行getJsapiTicket方法--------------");
return appWechatEntity;
}
public String getAccessToken() {
//logger.debug("--------------开始执行getAccessToken方法--------------");
String access_token = "";
String accessTokenString = "";
AppWechatEntity appWechatEntity = new AppWechatEntity();
accessTokenString = readWechatTokenFile(getAccessTokenFilePath());
if (StringUtils.isNotEmpty(accessTokenString)) {
appWechatEntity = JSONObject.parseObject(accessTokenString, AppWechatEntity.class);
access_token = appWechatEntity.getAccess_token();
long expireTime = appWechatEntity.getExpire_time();
long curTime = create_timestamp();
if (expireTime >= curTime) {
//logger.debug("已有的access_token=" + access_token);
return access_token;
}
}
long timestamp = create_timestamp() + 6000;//过期时间是2小时，但是可以提前进行更新，防止前端正好过期
access_token =
getAccessTokenData("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + secret);
Map accessTokenMap = new HashMap();
accessTokenMap.put("expire_time", timestamp);
accessTokenMap.put("access_token", access_token);
accessTokenString = JSONObject.toJSONString(accessTokenMap);
// 写文件
try {
FileUtils.writeStringToFile(new File(getAccessTokenFilePath()), accessTokenString, CharsetUtil.CHARSET_UTF_8);
} catch (IOException e) {
log.debug("写文件异常：" + e.getMessage());
e.printStackTrace();
}
//logger.debug("新的access_token=" + access_token);
//logger.debug("--------------结束执行getAccessToken方法--------------");
return access_token;
}
private String readWechatTokenFile(String filePath) {
String content = "";
try {
if (new File(filePath).exists()) {
FileReader fileReader = new FileReader(filePath, CharsetUtil.CHARSET_UTF_8);
content = fileReader.readString();
} else {
new File(filePath).createNewFile();
}
} catch (IOException e) {
log.error("读文件异常：" + e.getMessage());
e.printStackTrace();
}
return content;
}
private String getAccessTokenData(String url) {
String str = "";
String result = HttpUtil.get(url, CharsetUtil.CHARSET_UTF_8);
if (StringUtils.isEmpty(result))
return str;
str = parseData("access_token", "expires_in", result);
return str;
}
private String getJsapiTicketData(String url) {
String str = "";
String result = HttpUtil.get(url, CharsetUtil.CHARSET_UTF_8);
if (StringUtils.isEmpty(result))
return str;
str = parseData("ticket", "expires_in", result);
return str;
}
private String parseData(String tokenName, String expiresInName, String data) {
String tokenConent = "";
JSONObject jsonObject = JSONObject.parseObject(data);
try {
tokenConent = jsonObject.get(tokenName).toString();
if (StringUtils.isEmpty(tokenConent)) {
log.error("token获取失败,获取结果" + data);
return tokenConent;
}
} catch (Exception e) {
log.error("token 结果解析失败，token参数名称: " + tokenName + "有效期参数名称:" + expiresInName + "token请求结果:" + data);
e.printStackTrace();
return tokenConent;
}
return tokenConent;
}
private String byteToHex(final byte[] hash) {
Formatter formatter = new Formatter();
for (byte b : hash) {
formatter.format("%02x", b);
}
String result = formatter.toString();
formatter.close();
return result;
}
private String create_nonce_str() {
return IdUtil.simpleUUID();
}
private Long create_timestamp() {
return System.currentTimeMillis() / 1000;
}
private String getJsapiTicketFilePath() {
return "/data/wechat" + "/" +appid + "_jsapiTicket.txt";
}
private String getAccessTokenFilePath() {
return "/data/wechat" + "/" + appid + "_accessToken.txt";
}
}