大佬教程收集整理的这篇文章主要介绍了java如何对接企业微信，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
最近实现社群对接企业微信，对接的过程遇到一些点，在此记录。
企业微信具有和微信一样的体验，用于企业内部成员和外部客户的管理，可以由此构建出社群生态。 企业微信提供了丰富的api进行调用获取数据管理，也提供了各种回调事件，当数据发生变化时，可以及时知道。 我们分为两部分进行讲解，第一部分调用企业微信api，第二部分，接收企业微信的回调。
@Slf4j
public class httpUtils {
static CloseablehttpClient httpClient;
private httpUtils() {
throw new IllegalStateException("Utility class");
}
static {
Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", SSLConnectionSocketFactory.getSocketFactory())
.build();
PoolinghttpClientConnectionManager connectionManager = new PoolinghttpClientConnectionManager(registry);
connectionManager.setMax@R_949_10586@l(200);
connectionManager.setDefaultMaxPerRoute(200);
connectionManager.setDefaultSocketConfig(
SocketConfig.custom().setSoTimeout(15, TimeUnit.SECONDS)
.setTcpNoDelay(true).build()
);
connectionManager.SETVALidateAfterInactivity(TimeValue.ofSeconds(15));
httpClient = httpClients.custom()
.setConnectionManager(connectionManager)
.disableAutomaticRetries()
.build();
}
public static String get(String url, Map<String, Object> parAMMap, Map<String, String> headerMap) {
String param = parAMMap.entrySet().stream().map(n -> n.getKey() + "=" + n.getValue()).collect(Collectors.joining("&"));
String fullUrl = url + "?" + param;
final httpGet httpGet = new httpGet(fullUrl);
if (Objects.nonNull(headerMap) && headerMap.size() > 0) {
headerMap.forEach((key, @R_673_7548@ -> httpGet.addHeader(key, @R_673_7548@);
}
CloseablehttpResponse response = null;
try {
response = httpClient.execute(httpGet);
String strResult = EntityUtils.toString(response.getEntity());
if (200 != response.getCode()) {
log.error("http get 返回状态非200[resp={}]", strResult);
}
return strResult;
} catch (IOException | ParseException E) {
log.error("http get 异常", E);
return "";
} finally {
if (null != responsE) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException E) {
e.printStackTrace();
}
}
}
}
public static String post(String url,Map<String, Object> parAMMap, Map<String, String> headerMap, String data) {
CloseablehttpResponse response = null;
try {
String param = parAMMap.entrySet().stream().map(n -> n.getKey() + "=" + n.getValue()).collect(Collectors.joining("&"));
String fullUrl = url + "?" + param;
final httpPost httpPost = new httpPost(fullUrl);
if (Objects.nonNull(headerMap) && headerMap.size() > 0) {
headerMap.forEach((key, @R_673_7548@ -> httpPost.addHeader(key, @R_673_7548@);
}
StringEntity httpEntity = new StringEntity(data, StandardCharsetS.UTF_8);
httpPost.setEntity(httpEntity);
response = httpClient.execute(httpPost);
if (200 == response.getCode()) {
String strResult = EntityUtils.toString(response.getEntity());
return strResult;
}
} catch (IOException | ParseException E) {
e.printStackTrace();
return "";
} finally {
if (null != responsE) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException E) {
e.printStackTrace();
}
}
}
return "";
}
}
回调分为很多种，比如通讯录的回调如下： https://work.weixin.qq.com/api/doc/90000/90135/90967
整体的回调流程如下： 配置回调服务，需要有三个配置项，分别是：URL, Token, EncodingAESKey。 首先，URL为回调服务地址，由开发者搭建，用于接收通知消息或者事件。
其次，Token用于计算签名，由英文或数字组成且长度不超过32位的自定义字符串。开发者提供的URL是公开可访问的，这就意味着拿到这个URL，就可以往该链接推送消息。那么URL服务需要解决两个问题：
如何分辨出是否为企业微信来源 如何分辨出推送消息的内容是否被篡改 通过数字签名就可以解决上述的问题。具体为：约定Token作为密钥，仅开发者和企业微信知道，在传输中不可见，用于参与签名计算。企业微信在推送消息时，将消息内容与Token计算出签名。开发者接收到推送消息时，也按相同算法计算出签名。如果为同一签名，则可信任来源为企业微信，并且内容是完整的。
如果非企业微信来源，由于攻击者没有正确的Token，无法算出正确的签名； 如果消息内容被篡改，由于开发者会将接收的消息内容与Token重算一次签名，该值与参数的签名不一致，则会拒绝该请求。
最后，EncodingAESKey用于消息内容加密，由英文或数字组成且长度为43位的自定义字符串。由于消息是在公开的因特网上传输，消息内容是可被截获的，如果内容未加密，则截获者可以直接阅读消息内容。若消息内容包含一些敏感信息，就非常危险了。EncodingAESKey就是在这个背景基础上提出，将发送的内容进行加密，并组装成一定格式后再发送。
对接回调，我们就要实现上述的加密，篡改等代码。这里分享java版本的实现。 AesException
@H_674_18@public class AesException extends Exception {
public final static int OK = 0;
public final static int ValidateSignatureError = -40001;
public final static int ParseXmlError = -40002;
public final static int ComputeSignatureError = -40003;
public final static int IllegalAesKey = -40004;
public final static int ValidateCorpidError = -40005;
public final static int EncryptAESError = -40006;
public final static int DecryptAESError = -40007;
public final static int IllegalBuffer = -40008;
privatE int code;
private static String getmessage(int codE) {
switch (codE) {
case ValidateSignatureError:
return "签名验证错误";
case ParseXmlError:
return "xml解析失败";
case ComputeSignatureError:
return "sha加密生成签名失败";
case IllegalAesKey:
return "SymmetricKey非法";
case ValidateCorpidError:
return "corpid校验失败";
case EncryptAESError:
return "aes加密失败";
case DecryptAESError:
return "aes解密失败";
case IllegalBuffer:
return "解密后得到的buffer非法";
default:
return null;
}
}
public int getCode() {
return code;
}
AesException(int codE) {
super(getmessage(codE));
this.code = code;
}
}
messageUtil
@H_674_18@public class messageUtil {
/**
* 解析微信发来的请求（XML）.
*
* @param msg 消息
* @return map
*/
public static Map<String, String> parseXml(final String msg) {
// 将解析结果存储在HashMap中
Map<String, String> map = new HashMap<String, String>();
// 从request中取得输入流
try (InputStream inputStream = new ByteArrayInputStream(msg.getBytes(StandardCharsetS.UTF_8.name()))) {
// 读取输入流
SAXReader reader = new SAXReader();
Document document = reader.read(inputStream);
// 得到xml根元素
Element root = document.getRootElement();
// 得到根元素的所有子节点
List<Element> elementList = root.elements();
// 遍历所有子节点
for (Element e : elementList) {
map.put(e.getName(), e.getText());
}
} catch (Exception E) {
e.printStackTrace();
}
return map;
}
}
@H_674_18@public enum QywechatEnum {
TEST("测试", "123123123123", "123123123123", "12312312312");
/**
* 应用名
*/
private String name;
/**
* 企业ID
*/
private String corpid;
/**
* 回调url配置的token
*/
private String token;
/**
* 随机加密串
*/
private String encodingAESKey;
QywechatEnum(final String name, final String corpid, final String token, final String encodingAESKey) {
this.name = name;
this.corpid = corpid;
this.encodingAESKey = encodingAESKey;
this.token = token;
}
public String getCorpid() {
return corpid;
}
public String getName() {
return name;
}
public String getToken() {
return token;
}
public String getEncodingAESKey() {
return encodingAESKey;
}
}
@H_674_18@public class QywechaTinfo {
/**
* 签名
*/
private String msgSignature;
/**
* 随机时间戳
*/
private String timestamp;
/**
* 随机值
*/
private String nonce;
/**
* 加密的xml字符串
*/
private String sPostData;
/**
* 企业微信回调配置
*/
private QywechatEnum qywechatEnum;
}
@H_674_18@public class SHA1Utils {
/**
* 用SHA1算法生成安全签名
*
* @param token 票据
* @param timestamp 时间戳
* @param nonce 随机字符串
* @param encrypt 密文
* @return 安全签名
* @throws AesException
*/
public static String getSHA1(String token, String timestamp, String nonce, String encrypt) throws AesException {
try {
String[] array = new String[]{token, timestamp, nonce, encrypt};
StringBuffer sb = new StringBuffer();
// 字符串排序
Arrays.sort(array);
for (int i = 0; i < 4; i++) {
sb.append(arraY[i]);
}
String str = sb.toString();
// SHA1签名生成
messageDigest md = messageDigest.geTinstance("SHA-1");
md.update(str.getBytes());
byte[] digest = md.digest();
StringBuffer hexstr = new StringBuffer();
String shaHex = "";
for (int i = 0; i < digest.length; i++) {
shaHex = Integer.toHexString(digest[i] & 0xFF);
if (shaHex.length() < 2) {
hexstr.append(0);
}
hexstr.append(shaHeX);
}
return hexstr.toString();
} catch (Exception E) {
e.printStackTrace();
throw new AesException(AesException.ComputeSignatureError);
}
}
}
@H_674_18@public class WXBizMsgCrypt {
static Charset CHARSET = Charset.forName("utf-8");
Base64 base64 = new Base64();
byte[] aesKey;
String token;
String receivEID;
/**
* 构造函数
*
* @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
*/
public WXBizMsgCrypt(final QywechatEnum qywechatEnum) throws AesException {
this.token = qywechatEnum.getToken();
this.receivEID = qywechatEnum.getCorpid();
String encodingAesKey = qywechatEnum.getEncodingAESKey();
if (encodingAesKey.length() != 43) {
throw new AesException(AesException.IllegalAesKey);
}
aesKey = Base64.decodeBase64(encodingAesKey + "=");
}
// 生成4个字节的网络字节序
byte[] getNetworkBytesOrder(int sourcenumber) {
byte[] orderBytes = new byte[4];
orderBytes[3] = (bytE) (sourcenumber & 0xFF);
orderBytes[2] = (bytE) (sourcenumber >> 8 & 0xFF);
orderBytes[1] = (bytE) (sourcenumber >> 16 & 0xFF);
orderBytes[0] = (bytE) (sourcenumber >> 24 & 0xFF);
return orderBytes;
}
// 还原4个字节的网络字节序
int recoverNetworkBytesOrder(byte[] orderBytes) {
int sourcenumber = 0;
for (int i = 0; i < 4; i++) {
sourcenumber <<= 8;
sourcenumber |= orderBytes[i] & 0xff;
}
return sourcenumber;
}
// 随机生成16位字符串
String getRandomStr() {
String base = "ABCDEFGHIJKLMNOPQRstuVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
Random random = new Random();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < 16; i++) {
int number = random.nexTint(base.length());
sb.append(base.charAt(number));
}
return sb.toString();
}
/**
* 对明文进行加密.
*
* @param text 需要加密的明文
* @return 加密后base64编码的字符串
* @throws AesException aes加密失败
*/
String encrypt(String randomStr, String text) throws AesException {
ByteGroup byteCollector = new ByteGroup();
byte[] randomStrBytes = randomStr.getBytes(CHARSET);
byte[] textBytes = text.getBytes(CHARSET);
byte[] networkBytesOrder = getNetworkBytesOrder(textBytes.length);
byte[] receivEIDBytes = receivEID.getBytes(CHARSET);
// randomStr + networkBytesOrder + text + receivEID
byteCollector.addBytes(randomStrBytes);
byteCollector.addBytes(networkBytesOrder);
byteCollector.addBytes(textBytes);
byteCollector.addBytes(receivEIDBytes);
// ... + pad: 使用自定义的填充方式对明文进行补位填充
byte[] padBytes = PKCS7Encoder.encode(byteCollector.size());
byteCollector.addBytes(padBytes);
// 获得最终的字节流, 未加密
byte[] unencrypted = byteCollector.toBytes();
try {
// 设置加密模式为AES的CBC模式
Cipher cipher = Cipher.geTinstance("AES/CBC/NoPadding");
SecretKeySpec keySpec = new SecretKeySpec(aesKey, "AES");
IvParameterSpec iv = new IvParameterSpec(aesKey, 0, 16);
cipher.init(Cipher.ENCRYPT_MODE, keySpec, iv);
// 加密
byte[] encrypted = cipher.doFinal(unencrypted);
// 使用BASE64对加密后的字符串进行编码
String base64Encrypted = base64.encodeToString(encrypted);
return base64Encrypted;
} catch (Exception E) {
e.printStackTrace();
throw new AesException(AesException.EncryptAESError);
}
}
/**
* 对密文进行解密.
*
* @param text 需要解密的密文
* @return 解密得到的明文
* @throws AesException aes解密失败
*/
String decrypt(String text) throws AesException {
byte[] original;
try {
// 设置解密模式为AES的CBC模式
Cipher cipher = Cipher.geTinstance("AES/CBC/NoPadding");
SecretKeySpec key_spec = new SecretKeySpec(aesKey, "AES");
IvParameterSpec iv = new IvParameterSpec(Arrays.copyOfRange(aesKey, 0, 16));
cipher.init(Cipher.DECRYPT_MODE, key_spec, iv);
// 使用BASE64对密文进行解码
byte[] encrypted = Base64.decodeBase64(text);
// 解密
original = cipher.doFinal(encrypted);
} catch (Exception E) {
e.printStackTrace();
throw new AesException(AesException.DecryptAESError);
}
String xmlContent, from_receivEID;
try {
// 去除补位字符
byte[] bytes = PKCS7Encoder.decode(original);
// 分离16位随机字符串,网络字节序和receivEID
byte[] networkOrder = Arrays.copyOfRange(bytes, 16, 20);
int xmlLength = recoverNetworkBytesOrder(networkOrder);
xmlContent = new String(Arrays.copyOfRange(bytes, 20, 20 + xmlLength), CHARSET);
from_receivEID = new String(Arrays.copyOfRange(bytes, 20 + xmlLength, bytes.length),
CHARSET);
} catch (Exception E) {
e.printStackTrace();
throw new AesException(AesException.IllegalBuffer);
}
// receivEID不相同的情况
if (!from_receivEID.equals(receivEID)) {
throw new AesException(AesException.ValidateCorpidError);
}
return xmlContent;
}
/**
* 将企业微信回复用户的消息加密打包.
* <ol>
* <li>对要发送的消息进行AES-CBC加密</li>
* <li>生成安全签名</li>
* <li>将消息密文和安全签名打包成xml格式</li>
* </ol>
*
* @param replymsg 企业微信待回复用户的消息，xml格式的字符串
* @param timestamp 时间戳，可以自己生成，也可以用URL参数的timestamp
* @param nonce 随机串，可以自己生成，也可以用URL参数的nonce
*
* @return 加密后的可以直接回复用户的密文，包括msg_signature, timestamp, nonce, encrypt的xml格式的字符串
* @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
*/
public String Encryptmsg(String replymsg, String timestamp, String noncE) throws AesException {
// 加密
String encrypt = encrypt(getRandomStr(), replymsg);
// 生成安全签名
if (timestamp == "") {
timestamp = Long.toString(System.currentTimeMillis());
}
String signature = SHA1Utils.getSHA1(token, timestamp, nonce, encrypt);
// System.out.println("发送给平台的签名是: " + signature[1].toString());
// 生成发送的xml
String result = XMLParse.generate(encrypt, signature, timestamp, noncE);
return result;
}
/**
* 检验消息的真实性，并且获取解密后的明文.
* <ol>
* <li>利用收到的密文生成安全签名，进行签名验证</li>
* <li>若验证通过，则提取xml中的加密消息</li>
* <li>对消息进行解密</li>
* </ol>
*
* @param qywechaTinfo bean
* @return 解密后的原文
* @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
*/
public String decryptmsg(final QywechaTinfo qywechaTinfo)
throws AesException {
// 密钥，公众账号的app secret
// 提取密文
Object[] encrypt = XMLParse.extract(qywechaTinfo.getSPostData());
/**
* @param msgSignature 签名串，对应URL参数的msg_signature
* @param timestamp 时间戳，对应URL参数的timestamp
* @param nonce 随机串，对应URL参数的nonce
* @param postData 密文，对应POST请求的数据
*/
// 验证安全签名
String signature = SHA1Utils.getSHA1(token, qywechaTinfo.gettimestamp(), qywechaTinfo.getNonce(), encrypt[1].toString());
// 和URL中的签名比较是否相等
// System.out.println("第三方收到URL中的签名：" + msg_sign);
// System.out.println("第三方校验签名：" + signaturE);
if (!signature.equals(qywechaTinfo.getmsgSignature())) {
throw new AesException(AesException.ValidateSignatureError);
}
// 解密
String result = decrypt(encrypt[1].toString());
return result;
}
/**
* 验证URL
* @param msgSignature 签名串，对应URL参数的msg_signature
* @param timestamp 时间戳，对应URL参数的timestamp
* @param nonce 随机串，对应URL参数的nonce
* @param echoStr 随机串，对应URL参数的echostr
*
* @return 解密之后的echostr
* @throws AesException 执行失败，请查看该异常的错误码和具体的错误信息
*/
public String verifyURL(String msgSignature, String timestamp, String nonce, String echoStr)
throws AesException {
String signature = SHA1Utils.getSHA1(token, timestamp, nonce, echoStr);
if (!signature.equals(msgSignaturE)) {
throw new AesException(AesException.ValidateSignatureError);
}
String result = decrypt(echoStr);
return result;
}
static class ByteGroup {
ArrayList<Byte> byteContainer = new ArrayList<Byte>();
public byte[] toBytes() {
byte[] bytes = new byte[byteContainer.size()];
for (int i = 0; i < byteContainer.size(); i++) {
bytes[i] = byteContainer.get(i);
}
return bytes;
}
public ByteGroup addBytes(byte[] bytes) {
for (byte b : bytes) {
byteContainer.add(b);
}
return this;
}
public int size() {
return byteContainer.size();
}
}
static class PKCS7Encoder {
static Charset CHARSET = Charset.forName("utf-8");
static int BLOCK_SIZE = 32;
/**
* 获得对明文进行补位填充的字节.
*
* @param count 需要进行填充补位操作的明文字节个数
* @return 补齐用的字节数组
*/
static byte[] encode(int count) {
// 计算需要填充的位数
int amountToPad = BLOCK_SIZE - (count % BLOCK_SIZE);
if (amountToPad == 0) {
amountToPad = BLOCK_SIZE;
}
// 获得补位所用的字符
char padChr = @R_618_10932@amountToPad);
String tmp = new String();
for (int index = 0; index < amountToPad; index++) {
tmp += padChr;
}
return tmp.getBytes(CHARSET);
}
/**
* 删除解密后明文的补位字符
*
* @param decrypted 解密后的明文
* @return 删除补位字符后的明文
*/
static byte[] decode(byte[] decrypted) {
int pad = (int) decrypted[decrypted.length - 1];
if (pad < 1 || pad > 32) {
pad = 0;
}
return Arrays.copyOfRange(decrypted, 0, decrypted.length - pad);
}
/**
* 将数字转化成ASCII码对应的字符，用于对明文进行补码
*
* @param a 需要转化的数字
* @return 转化得到的字符
*/
static char @R_618_10932@int a) {
byte target = (bytE) (a & 0xFF);
return (char) target;
}
}
}
@H_674_18@public class XMLParse {
/**
* 提取出xml数据包中的加密消息
*
* @param xmltext 待提取的xml字符串
* @return 提取出的加密消息字符串
* @throws AesException
*/
public static Object[] extract(String xmltext) throws AesException {
Object[] result = new Object[3];
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
String FEATURE = null;
// This is the PRIMary defense. if DTDs (doctypes) are disallowed, almost all XML entity attacks are prevented
// Xerces 2 only - http://xerces.apache.org/xerces2-j/features.html#disallow-doctype-decl
FEATURE = "http://apache.org/xml/features/disallow-doctype-decl";
dbf.setFeature(FEATURE, truE);
// If you can't completely disable DTDs, then at least do the following:
// Xerces 1 - http://xerces.apache.org/xerces-j/features.html#external-general-entities
// Xerces 2 - http://xerces.apache.org/xerces2-j/features.html#external-general-entities
// JDK7+ - http://xml.org/sax/features/external-general-entities
FEATURE = "http://xml.org/sax/features/external-general-entities";
dbf.setFeature(FEATURE, falsE);
// Xerces 1 - http://xerces.apache.org/xerces-j/features.html#external-parameter-entities
// Xerces 2 - http://xerces.apache.org/xerces2-j/features.html#external-parameter-entities
// JDK7+ - http://xml.org/sax/features/external-parameter-entities
FEATURE = "http://xml.org/sax/features/external-parameter-entities";
dbf.setFeature(FEATURE, falsE);
// Disable external DTDs as well
FEATURE = "http://apache.org/xml/features/nonvalidaTing/load-external-dtd";
dbf.setFeature(FEATURE, falsE);
// and these as well, per Timothy Morgan's 2014 paper: "XML scheR_704_11845@a, DTD, and Entity Attacks"
dbf.setXIncludeAware(false);
dbf.setExpandEntityReferences(false);
// And, per Timothy Morgan: "If for some reason support for inline DOCTYPEs are a requirement, then
// ensure the entity setTings are disabled (as shown abovE) and beware that SSRF attacks
// (http://cwe.mitre.org/data/definitions/918.html) and denial
// of service attacks (such as billion laughs or decompression bombs via "jar:") are a risk."
// remaining parser logic
DocumentBuilder db = dbf.newDocumentBuilder();
StringReader sr = new StringReader(xmltext);
Inputsource is = new Inputsource(sr);
Document document = db.parse(is);
Element root = document.getDocumentElement();
NodeList nodelist1 = root.getElementsByTagName("Encrypt");
NodeList nodelist2 = root.getElementsByTagName("ToUserName");
result[0] = 0;
result[1] = nodelist1.item(0).getTextContent();
result[2] = nodelist2.item(0).getTextContent();
return result;
} catch (Exception E) {
e.printStackTrace();
throw new AesException(AesException.ParseXmlError);
}
}
/**
* 生成xml消息
*
* @param encrypt 加密后的消息密文
* @param signature 安全签名
* @param timestamp 时间戳
* @param nonce 随机字符串
* @return 生成的xml字符串
*/
public static String generate(String encrypt, String signature, String timestamp, String noncE) {
String format = "<xml>n" + "<Encrypt><![CDATA[%1$s]]></Encrypt>n"
+ "<MsgSignature><![CDATA[%2$s]]></MsgSignature>n"
+ "<timestamp>%3$s</timestamp>n" + "<Nonce><![CDATA[%4$s]]></Nonce>n" + "</xml>";
return String.format(format, encrypt, signature, timestamp, noncE);
}
}
@H_674_18@public class CallBACkController {
@resource
private CallBACkProducer callBACkProducer;
/**
* get请求用于验签
*/
@GetMapping(value = "/callBACk")
public void receiveMsg(@requestParam(name = "msg_signature") final String msgSignature,
@requestParam(name = "timestamp") final String timestamp,
@requestParam(name = "nonce") final String nonce,
@requestParam(name = "echostr") final String echostr,
final httpServletResponse responsE) throws Exception {
QywechatEnum qywechatEnum = QywechatEnum.JXPP;
log.info("get验签请求参数 msg_signature {}, timestamp {}, nonce {} , echostr {}", msgSignature, timestamp, nonce, echostr);
WXBizMsgCrypt wxBizMsgCrypt = new WXBizMsgCrypt(qywechatEnum);
String sEchoStr = wxBizMsgCrypt.verifyURL(msgSignature, timestamp, nonce, echostr);
PrintWriter out = response.getWriter();
try {
//必须要返回解密之后的明文
if (StringUtils.isBlank(sEchoStr)) {
log.info("get验签URL验证失败");
} else {
log.info("get验签验证成功!");
}
} catch (Exception E) {
log.error("get验签报错！", E);
}
log.info("get验签的echo是{}", sEchoStr);
out.write(sEchoStr);
out.flush();
}
/**
* 企业微信客户联系回调
*/
@ResponseBody
@PostMapping(value = "/callBACk")
public String acceptmessage(final httpServletrequest request,
@requestParam(name = "msg_signature") final String sMsgSignature,
@requestParam(name = "timestamp") final String stimestamp,
@requestParam(name = "nonce") final String snoncE) {
QywechatEnum qywechatEnum = QywechatEnum.TEST;
try {
InputStream inputStream = request.geTinputStream();
String sPostData = IoutIls.toString(inputStream, "UTF-8");
QywechaTinfo qywechaTinfo = new QywechaTinfo();
qywechaTinfo.setmsgSignature(sMsgSignaturE);
qywechaTinfo.setNonce(snoncE);
qywechaTinfo.setQywechatEnum(qywechatEnum);
qywechaTinfo.settimestamp(stimestamp);
qywechaTinfo.setSPostData(sPostData);
WXBizMsgCrypt msgCrypt = new WXBizMsgCrypt(qywechaTinfo.getQywechatEnum());
String sMsg = msgCrypt.decryptmsg(qywechaTinfo);
Map<String, String> dataMap = messageUtil.parseXml(sMsg);
log.info("回调的xml数据转为map的数据{}", JsonHelper.toJSONString(dataMap));
} catch (Exception E) {
log.info("回调报错", E);
}
return "success";
}
}
如上代码拷贝好后，我们便可以在企业微信的回调事件配置界面，增加回调的连接地址。
1、回调配置的地址只支持一个，所以要把回调服务抽取出来，申请公网域名。要注意将接收到的回调消息放到消息队列，供其他所有服务接收处理。 2、处理回调要注意逆序问题，假如更新操作先来了，新增操作还没有开始。 3、可以采用消息补偿，定时任务刷新机制，手动同步机制，保证数据的一致性。 4、要实现重试机制，因为可能触发微信的并发调用限制。
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