Implementation of message body encryption and decryption on WeChat public platform, public decryption

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Implementation of message body encryption and decryption on WeChat public platform, public decryption_PHP tutorial

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Jul 13, 2016 am 10:15 AM

KeywordsaccomplishplatformWeChatinformationsignDecrypt

WeChat public platform message body encryption and decryption implementation, public decryption

Keywords: WeChat public platform message body signature message body encryption and decryption EncodingAESKey security mode

Original text http://www.cnblogs.com/txw1958/p/weixin-aes-encrypt-Decrypt.html

1. Message body encryption and decryption

When configuring the server, the WeChat public platform provides three encryption and decryption modes for developers to choose, namely plaintext mode, compatibility mode, and security mode. Before selecting compatibility mode and security mode, you need to fill in the message addition in the developer center Decryption key EncodingAESKey.

Clear text mode: Maintain the existing mode, no new encryption and decryption features are adapted, message body is sent and received in plain text, the default setting is plain text mode
Compatibility mode: The content of messages sent by the public platform will include both plain text and cipher text, and the length of the message packet will be increased to about 3 times the original; the public account can reply in plain text or cipher text, without affecting the existing message sending and receiving; developers can Debugging in this mode
Safe mode (recommended): The content of the message body sent by the public platform only contains ciphertext, and the message body replied by the public account is also ciphertext. It is recommended that developers use this mode to send and receive messages after successful debugging

What is EncodingAESKey?

The WeChat public platform uses the AES symmetric encryption algorithm to encrypt the message body pushed to the public account. EncodingAESKey is the secret key used for encryption. The public account uses this secret key to decrypt the received ciphertext message body, and the reply message body is also encrypted with this secret key. For the principle of AES symmetric encryption algorithm, please refer to http://www.cnblogs.com/txw1958/p/aes.html

For detailed technical solutions for encryption and decryption, please refer to the official document http://mp.weixin.qq.com/wiki/index.php?title=%E6%8A%80%E6%9C%AF%E6%96% B9%E6%A1%88

Applicable public account types

Verified subscription number
Service ID
Enterprise ID

cannot be used for unauthenticated subscription accounts because it does not have the appid parameter

2. Development, implementation and data analysis

1. Configuration

Assume that the URL in this development configuration is

http:<span>//</span><span>www.fangbei.org/index.php</span>

The following three parameters need to be configured in the interface program

<span>/*</span><span>
    方倍工作室 http://www.cnblogs.com/txw1958/
    CopyRight 2014 All Rights Reserved
</span><span>*/</span>
<span>define</span>("TOKEN", "weixin"<span>);
</span><span>define</span>("AppID", "wxbad0b45542aa0b5e"<span>);
</span><span>define</span>("EncodingAESKey", "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG"<span>);
</span><span>require_once</span>('wxBizMsgCrypt.php');

2. Encryption and decryption implementation

When a user sends a message to a public account, the WeChat public account will bring signature, timestamp, nonce, encrypt_type, msg_signature and other parameters in the URL, as shown below

http:<span>//</span><span>www.fangbei.org/aes/index.php?signature=35703636de2f9df2a77a662b68e521ce17c34db4&timestamp=1414243737&nonce=1792106704&encrypt_type=aes&msg_signature=6147984331daf7a1a9eed6e0ec3ba69055256154</span>

At the same time, push the following XML message to the interface, which is an encrypted message

<span><</span><span>xml</span><span>></span>
    <span><</span><span>ToUserName</span><span>></span><span><![CDATA[</span><span>gh_680bdefc8c5d</span><span>]]></span><span></</span><span>ToUserName</span><span>></span>
    <span><</span><span>Encrypt</span><span>></span><span><![CDATA[</span><span>MNn4+jJ/VsFh2gUyKAaOJArwEVYCvVmyN0iXzNarP3O6vXzK62ft1/KG2/XPZ4y5bPWU/jfIfQxODRQ7sLkUsrDRqsWimuhIT8Eq+w4E/28m+XDAQKEOjWTQIOp1p6kNsIV1DdC3B+AtcKcKSNAeJDr7x7GHLx5DZYK09qQsYDOjP6R5NqebFjKt/NpEl/GU3gWFwG8LCtRNuIYdK5axbFSfmXbh5CZ6Bk5wSwj5fu5aS90cMAgUhGsxrxZTY562QR6c+3ydXxb+GHI5w+qA+eqJjrQqR7u5hS+1x5sEsA7vS+bZ5LYAR3+PZ243avQkGllQ+rg7a6TeSGDxxhvLw+mxxinyk88BNHkJnyK//hM1k9PuvuLAASdaud4vzRQlAmnYOslZl8CN7gjCjV41skUTZv3wwGPxvEqtm/nf5fQ=</span><span>]]></span><span></</span><span>Encrypt</span><span>></span>
<span></</span><span>xml</span><span>></span>

At this time, the program needs to obtain the following parameters from the url

<span>$timestamp</span>  = <span>$_GET</span>['timestamp'<span>];
</span><span>$nonce</span> = <span>$_GET</span>["nonce"<span>];
</span><span>$msg_signature</span>  = <span>$_GET</span>['msg_signature'<span>];
</span><span>$encrypt_type</span> = <span>$_GET</span>['encrypt_type'];

These parameters will be used in the encryption and decryption process

After receiving the message, first decrypt it. Part of the decryption code is as follows

<span>$postStr</span> = <span>$GLOBALS</span>["HTTP_RAW_POST_DATA"<span>];
</span><span>if</span> (<span>$encrypt_type</span> == 'aes'<span>){
    </span><span>$pc</span> = <span>new</span> WXBizMsgCrypt(TOKEN, EncodingAESKey,<span> AppID);                
    </span><span>$this</span>->logger(" D \r\n".<span>$postStr</span><span>);
    </span><span>$decryptMsg</span> = "";  <span>//</span><span>解密后的明文</span>
    <span>$errCode</span> = <span>$pc</span>->DecryptMsg(<span>$msg_signature</span>, <span>$timestamp</span>, <span>$nonce</span>, <span>$postStr</span>, <span>$decryptMsg</span><span>);
    </span><span>$postStr</span> = <span>$decryptMsg</span><span>;
}</span>

After decryption is completed, the decrypted content is returned to $postStr. This is to ensure that the decrypted content in the message is unified with the message in plaintext mode to facilitate subsequent processing. The decrypted XML is as follows

<span><</span><span>xml</span><span>></span>
    <span><</span><span>ToUserName</span><span>></span><span><![CDATA[</span><span>gh_680bdefc8c5d</span><span>]]></span><span></</span><span>ToUserName</span><span>></span>
    <span><</span><span>FromUserName</span><span>></span><span><![CDATA[</span><span>oIDrpjpQ8j8mBuQ8nM26HWzNEZgg</span><span>]]></span><span></</span><span>FromUserName</span><span>></span>
    <span><</span><span>CreateTime</span><span>></span>1414243737<span></</span><span>CreateTime</span><span>></span>
    <span><</span><span>MsgType</span><span>></span><span><![CDATA[</span><span>text</span><span>]]></span><span></</span><span>MsgType</span><span>></span>
    <span><</span><span>Content</span><span>></span><span><![CDATA[</span><span>?</span><span>]]></span><span></</span><span>Content</span><span>></span>
    <span><</span><span>MsgId</span><span>></span>6074130599188426998<span></</span><span>MsgId</span><span>></span>
<span></</span><span>xml</span><span>></span>

Process the message in your own original code. After completion, the message to be replied is as follows

<span><</span><span>xml</span><span>></span>
    <span><</span><span>ToUserName</span><span>></span><span><![CDATA[</span><span>oIDrpjpQ8j8mBuQ8nM26HWzNEZgg</span><span>]]></span><span></</span><span>ToUserName</span><span>></span>
    <span><</span><span>FromUserName</span><span>></span><span><![CDATA[</span><span>gh_680bdefc8c5d</span><span>]]></span><span></</span><span>FromUserName</span><span>></span>
    <span><</span><span>CreateTime</span><span>></span>1414243733<span></</span><span>CreateTime</span><span>></span>
    <span><</span><span>MsgType</span><span>></span><span><![CDATA[</span><span>text</span><span>]]></span><span></</span><span>MsgType</span><span>></span>
    <span><</span><span>Content</span><span>></span><span><![CDATA[</span><span>2014-10-25 21:28:53
技术支持 方倍工作室
http://www.fangbei.org/</span><span>]]></span><span></</span><span>Content</span><span>></span>
<span></</span><span>xml</span><span>></span>

Encrypt the above message and return it to the WeChat public account

<span>//</span><span>加密</span>
<span>if</span> (<span>$encrypt_type</span> == 'aes'<span>){
    </span><span>$encryptMsg</span> = ''; <span>//</span><span>加密后的密文</span>
    <span>$errCode</span> = <span>$pc</span>->encryptMsg(<span>$result</span>, <span>$timeStamp</span>, <span>$nonce</span>, <span>$encryptMsg</span><span>);
    </span><span>$result</span> = <span>$encryptMsg</span><span>;
    </span><span>$this</span>->logger(" E \r\n".<span>$result</span><span>);
}</span>

The encrypted content is as follows

<span><</span><span>xml</span><span>></span>
    <span><</span><span>Encrypt</span><span>></span><span><![CDATA[</span><span>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</span><span>]]></span><span></</span><span>Encrypt</span><span>></span>
    <span><</span><span>MsgSignature</span><span>></span><span><![CDATA[</span><span>6c46904dc1f58b2ddf2dd0399f1c6cf41f33ecb9</span><span>]]></span><span></</span><span>MsgSignature</span><span>></span>
    <span><</span><span>TimeStamp</span><span>></span>1414243733<span></</span><span>TimeStamp</span><span>></span>
    <span><</span><span>Nonce</span><span>></span><span><![CDATA[</span><span>1792106704</span><span>]]></span><span></</span><span>Nonce</span><span>></span>
<span></</span><span>xml</span><span>></span>

In this way, the encryption and decryption of messages in safe mode is completed.

3. Complete code

<span>  1</span> <?<span>php
</span><span>  2</span> <span>/*</span>
<span>  3</span> <span>    方倍工作室 http://www.cnblogs.com/txw1958/
</span><span>  4</span> <span>    CopyRight 2014 All Rights Reserved
</span><span>  5</span> <span>*/</span>
<span>  6</span> <span>define</span>("TOKEN", "weixin"<span>);
</span><span>  7</span> <span>define</span>("AppID", "wxbad0b45542aa0b5e"<span>);
</span><span>  8</span> <span>define</span>("EncodingAESKey", "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG"<span>);
</span><span>  9</span> <span>require_once</span>('wxBizMsgCrypt.php'<span>);
</span><span> 10</span> 
<span> 11</span> <span>$wechatObj</span> = <span>new</span><span> wechatCallbackapiTest();
</span><span> 12</span> <span>if</span> (!<span>isset</span>(<span>$_GET</span>['echostr'<span>])) {
</span><span> 13</span>     <span>$wechatObj</span>-><span>responseMsg();
</span><span> 14</span> }<span>else</span><span>{
</span><span> 15</span>     <span>$wechatObj</span>-><span>valid();
</span><span> 16</span> <span>}
</span><span> 17</span> 
<span> 18</span> <span>class</span><span> wechatCallbackapiTest
</span><span> 19</span> <span>{
</span><span> 20</span>     <span>//</span><span>验证签名</span>
<span> 21</span>     <span>public</span> <span>function</span><span> valid()
</span><span> 22</span> <span>    {
</span><span> 23</span>         <span>$echoStr</span> = <span>$_GET</span>["echostr"<span>];
</span><span> 24</span>         <span>$signature</span> = <span>$_GET</span>["signature"<span>];
</span><span> 25</span>         <span>$timestamp</span> = <span>$_GET</span>["timestamp"<span>];
</span><span> 26</span>         <span>$nonce</span> = <span>$_GET</span>["nonce"<span>];
</span><span> 27</span>         <span>$tmpArr</span> = <span>array</span>(TOKEN, <span>$timestamp</span>, <span>$nonce</span><span>);
</span><span> 28</span>         <span>sort</span>(<span>$tmpArr</span><span>);
</span><span> 29</span>         <span>$tmpStr</span> = <span>implode</span>(<span>$tmpArr</span><span>);
</span><span> 30</span>         <span>$tmpStr</span> = <span>sha1</span>(<span>$tmpStr</span><span>);
</span><span> 31</span>         <span>if</span>(<span>$tmpStr</span> == <span>$signature</span><span>){
</span><span> 32</span>             <span>echo</span> <span>$echoStr</span><span>;
</span><span> 33</span>             <span>exit</span><span>;
</span><span> 34</span> <span>        }
</span><span> 35</span> <span>    }
</span><span> 36</span> 
<span> 37</span>     <span>//</span><span>响应消息</span>
<span> 38</span>     <span>public</span> <span>function</span><span> responseMsg()
</span><span> 39</span> <span>    {
</span><span> 40</span>         <span>$timestamp</span>  = <span>$_GET</span>['timestamp'<span>];
</span><span> 41</span>         <span>$nonce</span> = <span>$_GET</span>["nonce"<span>];
</span><span> 42</span>         <span>$msg_signature</span>  = <span>$_GET</span>['msg_signature'<span>];
</span><span> 43</span>         <span>$encrypt_type</span> = (<span>isset</span>(<span>$_GET</span>['encrypt_type']) && (<span>$_GET</span>['encrypt_type'] == 'aes')) ? "aes" : "raw"<span>;
</span><span> 44</span>         
<span> 45</span>         <span>$postStr</span> = <span>$GLOBALS</span>["HTTP_RAW_POST_DATA"<span>];
</span><span> 46</span>         <span>if</span> (!<span>empty</span>(<span>$postStr</span><span>)){
</span><span> 47</span>             <span>//</span><span>解密</span>
<span> 48</span>             <span>if</span> (<span>$encrypt_type</span> == 'aes'<span>){
</span><span> 49</span>                 <span>$pc</span> = <span>new</span> WXBizMsgCrypt(TOKEN, EncodingAESKey,<span> AppID);                
</span><span> 50</span>                 <span>$this</span>->logger(" D \r\n".<span>$postStr</span><span>);
</span><span> 51</span>                 <span>$decryptMsg</span> = "";  <span>//</span><span>解密后的明文</span>
<span> 52</span>                 <span>$errCode</span> = <span>$pc</span>->DecryptMsg(<span>$msg_signature</span>, <span>$timestamp</span>, <span>$nonce</span>, <span>$postStr</span>, <span>$decryptMsg</span><span>);
</span><span> 53</span>                 <span>$postStr</span> = <span>$decryptMsg</span><span>;
</span><span> 54</span> <span>            }
</span><span> 55</span>             <span>$this</span>->logger(" R \r\n".<span>$postStr</span><span>);
</span><span> 56</span>             <span>$postObj</span> = <span>simplexml_load_string</span>(<span>$postStr</span>, 'SimpleXMLElement',<span> LIBXML_NOCDATA);
</span><span> 57</span>             <span>$RX_TYPE</span> = <span>trim</span>(<span>$postObj</span>-><span>MsgType);
</span><span> 58</span> 
<span> 59</span>             <span>//</span><span>消息类型分离</span>
<span> 60</span>             <span>switch</span> (<span>$RX_TYPE</span><span>)
</span><span> 61</span> <span>            {
</span><span> 62</span>                 <span>case</span> "event":
<span> 63</span>                     <span>$result</span> = <span>$this</span>->receiveEvent(<span>$postObj</span><span>);
</span><span> 64</span>                     <span>break</span><span>;
</span><span> 65</span>                 <span>case</span> "text":
<span> 66</span>                     <span>$result</span> = <span>$this</span>->receiveText(<span>$postObj</span><span>);
</span><span> 67</span>                     <span>break</span><span>;
</span><span> 68</span> <span>            }
</span><span> 69</span>             <span>$this</span>->logger(" R \r\n".<span>$result</span><span>);
</span><span> 70</span>             <span>//</span><span>加密</span>
<span> 71</span>             <span>if</span> (<span>$encrypt_type</span> == 'aes'<span>){
</span><span> 72</span>                 <span>$encryptMsg</span> = ''; <span>//</span><span>加密后的密文</span>
<span> 73</span>                 <span>$errCode</span> = <span>$pc</span>->encryptMsg(<span>$result</span>, <span>$timeStamp</span>, <span>$nonce</span>, <span>$encryptMsg</span><span>);
</span><span> 74</span>                 <span>$result</span> = <span>$encryptMsg</span><span>;
</span><span> 75</span>                 <span>$this</span>->logger(" E \r\n".<span>$result</span><span>);
</span><span> 76</span> <span>            }
</span><span> 77</span>             <span>echo</span> <span>$result</span><span>;
</span><span> 78</span>         }<span>else</span><span> {
</span><span> 79</span>             <span>echo</span> ""<span>;
</span><span> 80</span>             <span>exit</span><span>;
</span><span> 81</span> <span>        }
</span><span> 82</span> <span>    }
</span><span> 83</span> 
<span> 84</span>     <span>//</span><span>接收事件消息</span>
<span> 85</span>     <span>private</span> <span>function</span> receiveEvent(<span>$object</span><span>)
</span><span> 86</span> <span>    {
</span><span> 87</span>         <span>$content</span> = ""<span>;
</span><span> 88</span>         <span>switch</span> (<span>$object</span>-><span>Event)
</span><span> 89</span> <span>        {
</span><span> 90</span>             <span>case</span> "subscribe":
<span> 91</span>                 <span>$content</span> = "欢迎关注方倍工作室 "<span>;
</span><span> 92</span>                 <span>break</span><span>;
</span><span> 93</span> <span>        }
</span><span> 94</span> 
<span> 95</span>         <span>$result</span> = <span>$this</span>->transmitText(<span>$object</span>, <span>$content</span><span>);
</span><span> 96</span>         <span>return</span> <span>$result</span><span>;
</span><span> 97</span> <span>    }
</span><span> 98</span> 
<span> 99</span>     <span>//</span><span>接收文本消息</span>
<span>100</span>     <span>private</span> <span>function</span> receiveText(<span>$object</span><span>)
</span><span>101</span> <span>    {
</span><span>102</span>         <span>$keyword</span> = <span>trim</span>(<span>$object</span>-><span>Content);
</span><span>103</span>         <span>if</span> (<span>strstr</span>(<span>$keyword</span>, "文本"<span>)){
</span><span>104</span>             <span>$content</span> = "这是个文本消息"<span>;
</span><span>105</span>         }<span>else</span> <span>if</span> (<span>strstr</span>(<span>$keyword</span>, "单图文"<span>)){
</span><span>106</span>             <span>$content</span> = <span>array</span><span>();
</span><span>107</span>             <span>$content</span>[] = <span>array</span>("Title"=>"单图文标题",  "Description"=>"单图文内容", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958"<span>);
</span><span>108</span>         }<span>else</span> <span>if</span> (<span>strstr</span>(<span>$keyword</span>, "图文") || <span>strstr</span>(<span>$keyword</span>, "多图文"<span>)){
</span><span>109</span>             <span>$content</span> = <span>array</span><span>();
</span><span>110</span>             <span>$content</span>[] = <span>array</span>("Title"=>"多图文1标题", "Description"=>"", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958"<span>);
</span><span>111</span>             <span>$content</span>[] = <span>array</span>("Title"=>"多图文2标题", "Description"=>"", "PicUrl"=>"http://d.hiphotos.bdimg.com/wisegame/pic/item/f3529822720e0cf3ac9f1ada0846f21fbe09aaa3.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958"<span>);
</span><span>112</span>             <span>$content</span>[] = <span>array</span>("Title"=>"多图文3标题", "Description"=>"", "PicUrl"=>"http://g.hiphotos.bdimg.com/wisegame/pic/item/18cb0a46f21fbe090d338acc6a600c338644adfd.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958"<span>);
</span><span>113</span>         }<span>else</span> <span>if</span> (<span>strstr</span>(<span>$keyword</span>, "音乐"<span>)){
</span><span>114</span>             <span>$content</span> = <span>array</span><span>();
</span><span>115</span>             <span>$content</span> = <span>array</span>("Title"=>"最炫民族风", "Description"=>"歌手：凤凰传奇", "MusicUrl"=>"http://121.199.4.61/music/zxmzf.mp3", "HQMusicUrl"=>"http://121.199.4.61/music/zxmzf.mp3"<span>);
</span><span>116</span>         }<span>else</span><span>{
</span><span>117</span>             <span>$content</span> = <span>date</span>("Y-m-d H:i:s",<span>time</span>())."\n".<span>$object</span>->FromUserName."\n技术支持 方倍工作室"<span>;
</span><span>118</span> <span>        }
</span><span>119</span> 
<span>120</span>         <span>if</span>(<span>is_array</span>(<span>$content</span><span>)){
</span><span>121</span>             <span>if</span> (<span>isset</span>(<span>$content</span>[0<span>])){
</span><span>122</span>                 <span>$result</span> = <span>$this</span>->transmitNews(<span>$object</span>, <span>$content</span><span>);
</span><span>123</span>             }<span>else</span> <span>if</span> (<span>isset</span>(<span>$content</span>['MusicUrl'<span>])){
</span><span>124</span>                 <span>$result</span> = <span>$this</span>->transmitMusic(<span>$object</span>, <span>$content</span><span>);
</span><span>125</span> <span>            }
</span><span>126</span>         }<span>else</span><span>{
</span><span>127</span>             <span>$result</span> = <span>$this</span>->transmitText(<span>$object</span>, <span>$content</span><span>);
</span><span>128</span> <span>        }
</span><span>129</span>         <span>return</span> <span>$result</span><span>;
</span><span>130</span> <span>    }
</span><span>131</span> 
<span>132</span>     <span>//</span><span>回复文本消息</span>
<span>133</span>     <span>private</span> <span>function</span> transmitText(<span>$object</span>, <span>$content</span><span>)
</span><span>134</span> <span>    {
</span><span>135</span>         <span>$xmlTpl</span> = "<span><xml>
</span><span>136</span> <span>    <ToUserName><![CDATA[%s]]></ToUserName>
</span><span>137</span> <span>    <FromUserName><![CDATA[%s]]></FromUserName>
</span><span>138</span> <span>    <CreateTime>%s</CreateTime>
</span><span>139</span> <span>    <MsgType><![CDATA[text]]></MsgType>
</span><span>140</span> <span>    <Content><![CDATA[%s]]></Content>
</span><span>141</span> </xml>"<span>;
</span><span>142</span>         <span>$result</span> = <span>sprintf</span>(<span>$xmlTpl</span>, <span>$object</span>->FromUserName, <span>$object</span>->ToUserName, <span>time</span>(), <span>$content</span><span>);
</span><span>143</span>         <span>return</span> <span>$result</span><span>;
</span><span>144</span> <span>    }
</span><span>145</span> 
<span>146</span>     <span>//</span><span>回复图文消息</span>
<span>147</span>     <span>private</span> <span>function</span> transmitNews(<span>$object</span>, <span>$newsArray</span><span>)
</span><span>148</span> <span>    {
</span><span>149</span>         <span>if</span>(!<span>is_array</span>(<span>$newsArray</span><span>)){
</span><span>150</span>             <span>return</span><span>;
</span><span>151</span> <span>        }
</span><span>152</span>         <span>$itemTpl</span> = "<span>        <item>
</span><span>153</span> <span>            <Title><![CDATA[%s]]></Title>
</span><span>154</span> <span>            <Description><![CDATA[%s]]></Description>
</span><span>155</span> <span>            <PicUrl><![CDATA[%s]]></PicUrl>
</span><span>156</span> <span>            <Url><![CDATA[%s]]></Url>
</span><span>157</span> <span>        </item>
</span><span>158</span> "<span>;
</span><span>159</span>         <span>$item_str</span> = ""<span>;
</span><span>160</span>         <span>foreach</span> (<span>$newsArray</span> <span>as</span> <span>$item</span><span>){
</span><span>161</span>             <span>$item_str</span> .= <span>sprintf</span>(<span>$itemTpl</span>, <span>$item</span>['Title'], <span>$item</span>['Description'], <span>$item</span>['PicUrl'], <span>$item</span>['Url'<span>]);
</span><span>162</span> <span>        }
</span><span>163</span>         <span>$xmlTpl</span> = "<span><xml>
</span><span>164</span> <span>    <ToUserName><![CDATA[%s]]></ToUserName>
</span><span>165</span> <span>    <FromUserName><![CDATA[%s]]></FromUserName>
</span><span>166</span> <span>    <CreateTime>%s</CreateTime>
</span><span>167</span> <span>    <MsgType><![CDATA[news]]></MsgType>
</span><span>168</span> <span>    <ArticleCount>%s</ArticleCount>
</span><span>169</span> <span>    <Articles>
</span><span>170</span> <span>$item_str</span><span>    </Articles>
</span><span>171</span> </xml>"<span>;
</span><span>172</span> 
<span>173</span>         <span>$result</span> = <span>sprintf</span>(<span>$xmlTpl</span>, <span>$object</span>->FromUserName, <span>$object</span>->ToUserName, <span>time</span>(), <span>count</span>(<span>$newsArray</span><span>));
</span><span>174</span>         <span>return</span> <span>$result</span><span>;
</span><span>175</span> <span>    }
</span><span>176</span> 
<span>177</span>     <span>//</span><span>回复音乐消息</span>
<span>178</span>     <span>private</span> <span>function</span> transmitMusic(<span>$object</span>, <span>$musicArray</span><span>)
</span><span>179</span> <span>    {
</span><span>180</span>         <span>$itemTpl</span> = "<span><Music>
</span><span>181</span> <span>        <Title><![CDATA[%s]]></Title>
</span><span>182</span> <span>        <Description><![CDATA[%s]]></Description>
</span><span>183</span> <span>        <MusicUrl><![CDATA[%s]]></MusicUrl>
</span><span>184</span> <span>        <HQMusicUrl><![CDATA[%s]]></HQMusicUrl>
</span><span>185</span>     </Music>"<span>;
</span><span>186</span> 
<span>187</span>         <span>$item_str</span> = <span>sprintf</span>(<span>$itemTpl</span>, <span>$musicArray</span>['Title'], <span>$musicArray</span>['Description'], <span>$musicArray</span>['MusicUrl'], <span>$musicArray</span>['HQMusicUrl'<span>]);
</span><span>188</span> 
<span>189</span>         <span>$xmlTpl</span> = "<span><xml>
</span><span>190</span> <span>    <ToUserName><![CDATA[%s]]></ToUserName>
</span><span>191</span> <span>    <FromUserName><![CDATA[%s]]></FromUserName>
</span><span>192</span> <span>    <CreateTime>%s</CreateTime>
</span><span>193</span> <span>    <MsgType><![CDATA[music]]></MsgType>
</span><span>194</span>     <span>$item_str</span>
<span>195</span> </xml>"<span>;
</span><span>196</span> 
<span>197</span>         <span>$result</span> = <span>sprintf</span>(<span>$xmlTpl</span>, <span>$object</span>->FromUserName, <span>$object</span>->ToUserName, <span>time</span><span>());
</span><span>198</span>         <span>return</span> <span>$result</span><span>;
</span><span>199</span> <span>    }
</span><span>200</span> 
<span>201</span>     <span>//</span><span>日志记录</span>
<span>202</span>     <span>public</span> <span>function</span> logger(<span>$log_content</span><span>)
</span><span>203</span> <span>    {
</span><span>204</span>         <span>if</span>(<span>isset</span>(<span>$_SERVER</span>['HTTP_APPNAME'])){   <span>//</span><span>SAE</span>
<span>205</span>             sae_set_display_errors(<span>false</span><span>);
</span><span>206</span>             sae_debug(<span>$log_content</span><span>);
</span><span>207</span>             sae_set_display_errors(<span>true</span><span>);
</span><span>208</span>         }<span>else</span> <span>if</span>(<span>$_SERVER</span>['REMOTE_ADDR'] != "127.0.0.1"){ <span>//</span><span>LOCAL</span>
<span>209</span>             <span>$max_size</span> = 500000<span>;
</span><span>210</span>             <span>$log_filename</span> = "log.xml"<span>;
</span><span>211</span>             <span>if</span>(<span>file_exists</span>(<span>$log_filename</span>) and (<span>abs</span>(<span>filesize</span>(<span>$log_filename</span>)) > <span>$max_size</span>)){<span>unlink</span>(<span>$log_filename</span><span>);}
</span><span>212</span>             <span>file_put_contents</span>(<span>$log_filename</span>, <span>date</span>('Y-m-d H:i:s').<span>$log_content</span>."\r\n",<span> FILE_APPEND);
</span><span>213</span> <span>        }
</span><span>214</span> <span>    }
</span><span>215</span> <span>}
</span><span>216</span> ?>

How to send messages on WeChat public platform

The picture and text messages on the WeChat public platform are sent like this:

1. First click on the material management item under the left column management column, and then select "Single picture and text message" or " "Multi-image and text message" to enter the editing interface. (A single image and text message is suitable for one message and one topic, and a multi-image and text message is suitable for one message and multiple topics)

2. After entering the editing interface, add the corresponding title, cover image, and summary (multiple image and text messages are not applicable) item) and the text of the message and save it; if you want to see the edited effect, you can preview it, enter your personal WeChat ID, and let the message be sent to your mobile phone to see the effect.

3. After entering the group sending function and setting the target, gender, and region of the group sending, select the last "graphic message" on the internal customer option below, then select the edit you just made in the material management and save it. After checking the picture and text message, click the green group sending button below to send the message.

If you have any questions, please ask or add me. . .

How to send messages on WeChat public platform

The graphic messages on the WeChat public platform are sent as follows:
1. First click on the material management item under the left column management column, and then select "Single graphic message" or "Multiple graphic messages" in the middle editing area Message" to enter the editing interface. (A single image and text message is suitable for one message and one topic, and a multi-image and text message is suitable for one message and multiple topics)
2. After entering the editing interface, add the corresponding title, cover image, and summary (multiple image and text messages have no items) and Save the text of the message; if you want to see the edited effect, you can choose to preview it, enter your personal WeChat ID, and have the message sent to your mobile phone to see the effect.
3. After entering the group sending function and setting the target, gender, and region of the group sending, select the last "graphic message" on the internal customer option below, and then select the graphic and text you just edited and saved in the material management. After checking the message, click the green group sending button below to send the message.

If you don’t understand, please feel free to add me or ask. . . . .

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微信文件多久过期Nov 21, 2022 pm 02:12 PM

微信文件的过期时间需要根据情况来判断：1、如果发送的文件没有打开过，则在72小时以后微信系统会自动清理掉，即过了三天文件就会过期；2、如果已经查看了微信文件，但是并没有下载（当然已经下载的文件也是一样的），那么文件是可以保留180天的，在这180天以内随时都可以去下载。

微信拉黑和删除有什么区别Oct 18, 2022 am 11:29 AM

区别：1、拉黑后对话框从主页消失，但是聊天记录还在；删除后聊天记录全部消失不见了。2、拉黑后还能发给他，但是收不到他的消息；删除后不能发信息了。3、拉黑后双方都不可见彼此的朋友圈；删除对方以后，你看不到对方的朋友圈了，对方是否能看到你的，取决于设置（允许陌生人查看十张照片）与否，如果设置则可以看到朋友圈。

支持微信付款的购物平台有哪些Nov 02, 2022 pm 02:44 PM

支持微信付款的购物平台有：1、京东，是中国的综合网络零售商；2、唯品会，是一家在线销售品牌折扣商品的互联网公司；3、拼多多，是社交新电商领导者，更懂消费者的购物平台；4、京喜，是京东旗下生活消费商城；5、蘑菇街，一个电子商务网站；6、聚美优品，是一家以销售化妆品为主的时尚购物网站；7、微店，是一个云推广电子商务平台；8、考拉海购，是一个跨境海淘业务为主的会员电商平台。

微信怎么查看ip地址May 31, 2023 am 09:16 AM

微信查看ip地址的方法：1、登录电脑版微信，右键点击屏幕下方的任务栏，点击“任务管理器”；2、弹出任务管理器时，点击左下角的“详细信息”；3、任务管理器进入“性能”选项，点击“打开资源监视器”；4、选择“网络”，勾选微信进程“Wechat.exe”；5、点击下面的“TCP连接”即可监视微信网络IP相关情况，发送消息得到回复就会显示他人的IP地址。

微信可以绑别人的银行卡号么Mar 14, 2023 pm 04:53 PM

可以。未经过实名认证的微信号，可以绑定他人的银行卡，但在绑定过程中需要提供银行卡的开户人姓名、开户行地址、开户时预留的联系方式及银行卡支付密码；已通过实名认证的微信号，无法绑定他人银行卡，只能添加使用自己身份证办理的银行卡。

一个身份证只能绑定一个微信吗Mar 02, 2023 pm 01:50 PM

不是，一个身份证能绑定5个微信。按照微信当前规定，一个身份证可以实名认证5个微信号；如果已经实名认证了5个微信账号，但是还想要继续实名，就要把已经实名认证的一些不用的微信号清除以后，才可以再实名认证新的微信号。

闲鱼支持微信支付吗Nov 07, 2022 pm 03:31 PM

闲鱼是不支持微信支付的，仅支持使用支付宝进行付款；闲鱼是阿里巴巴旗下闲置交易平台App客户端，会员只要使用淘宝或支付宝账户登录，无需经过复杂的开店流程，即可达成包括一键转卖个人淘宝账号中“已买到宝贝”、自主手机拍照上传二手闲置物品、以及在线交易等诸多功能。

微信赞赏码和收款码的区别是什么Oct 31, 2022 pm 03:18 PM

区别：1、赞赏码是用于别人给自己打赏的，收取小费等小金额的赞赏给予，而收款码是一般的收款行为，可以进行大额收费的二维码；2、收款码是随时会变的，如果不是商家收款码，每次打开都会变，但是赞赏码不同，赞赏码是不会变的；3、赞赏码只能进行小额的首款，而收款码将可以大额首款。

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