WeChat develops interfaces and parameters for receiving picture messages

When an ordinary WeChat user sends a message to a public account, the WeChat server will POST the XML data packet of the message to the URL filled in by the developer.

Please note:

1. Regarding retry message duplication, it is recommended to use msgid to deduplicate messages.

2. If the WeChat server does not receive a response within five seconds, it will disconnect and re-initiate the request, retrying three times in total. If the server cannot guarantee to process and reply within five seconds,

can directly reply with an empty string. The WeChat server will not do anything with this and will not initiate a retry. For details, please see "Send Message-Passive Reply to Message".

3. If the developer needs to respond immediately to the user message within 5 seconds, that is, use the "Send Message-Passive Reply Message" interface to passively respond to the user When replying to a message, you can set message encryption in the Developer Center of the official website of the

public platform. After encryption is turned on, messages sent by users and messages replied by developers will be encrypted (but developers send them to users through customer service

interfaces and other API calls) messages are not affected). For detailed instructions on message encryption and decryption, please see "Sending Messages - Passive Reply Message Encryption and Decryption Instructions".

WeChat accepts picturesMessage interface and parameters:

<xml>
 <ToUserName><![CDATA[toUser]]></ToUserName>
 <FromUserName><![CDATA[fromUser]]></FromUserName>
 <CreateTime>1348831860</CreateTime>
 <MsgType><![CDATA[image]]></MsgType>
 <PicUrl><![CDATA[this is a url]]></PicUrl>
 <MediaId><![CDATA[media_id]]></MediaId>
 <MsgId>1234567890123456</MsgId>
 </xml>

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