微信后端代码
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package com.ynxbd.common.service;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.lang3.ObjectUtils;
public class XBDService {
public String getCloudToken(String treatNum) {
treatNum = treatNum + "huiyou69";
String key = DigestUtils.md5Hex(treatNum).toUpperCase();
if (ObjectUtils.isEmpty(key) || key.length() < 12) {
return null;
}
return key.substring(3, 12);
}
}