文档存在严重的错误
https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/api/Before_Develop/Technical_Plan.html msg_encrypt = Base64_Encode( AES_Encrypt[ random(16B) + msg_len(4B) + msg + AESKey] ) 存在误导用户 msg_encrypt=Base64_Encode(AES_Encrypt [random(16B)+ msg_len(4B) + msg + ]) 直接缺了个参数 实际值为: msg_encrypt = Base64_Encode( AES_Encrypt[ random(16B) + msg_len(4B) + msg + AppId] )