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微信公众平台开发者中心安全模式消息体加解密实现，公众开发者

WBOY
リリース： 2016-06-13 09:21:59
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微信公众平台开发者中心安全模式消息体加解密实现，公众开发者

关键字：微信公众平台 消息体签名 消息体加解密 EncodingAESKey 安全模式

原文 http://www.cnblogs.com/txw1958/p/weixin-aes-encrypt-decrypt.html  

一、消息体加解密

微信公众平台在配置服务器时，提供了3种加解密的模式供开发者选择，即明文模式、兼容模式、安全模式,选择兼容模式和安全模式前，需在开发者中心填写消息加解密密钥EncodingAESKey。

  • 明文模式：维持现有模式，没有适配加解密新特性，消息体明文收发，默认设置为明文模式
  • 兼容模式：公众平台发送消息内容将同时包括明文和密文，消息包长度增加到原来的3倍左右；公众号回复明文或密文均可，不影响现有消息收发；开发者可在此模式下进行调试
  • 安全模式（推荐）：公众平台发送消息体的内容只含有密文，公众账号回复的消息体也为密文，建议开发者在调试成功后使用此模式收发消息

什么是EncodingAESKey？

  • 微信公众平台采用AES对称加密算法对推送给公众帐号的消息体对行加密，EncodingAESKey则是加密所用的秘钥。公众帐号用此秘钥对收到的密文消息体进行解密，回复消息体也用此秘钥加密。AES对称加密算法的原理可以参考 http://www.cnblogs.com/txw1958/p/aes.html

　　加解密的详细技术方案可以参考官方文档 http://mp.weixin.qq.com/wiki/index.php?title=%E6%8A%80%E6%9C%AF%E6%96%B9%E6%A1%88

适用公众账号类型

  • 已认证订阅号
  • 服务号

    不能用于未认证订阅号，因为其没有appid参数


二、开发实现及数据分析

1. 配置

假设本次的开发配置中URL为

http:<span>//</span><span>www.fangbei.org/index.php</span>
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接口程序中需要配置以下三项参数

<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');
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2. 加解密实现

当用户向公众账号发送消息时，微信公众账号将会在URL中带上signature、timestamp、nonce、encrypt_type、msg_signature等参数，如下所示

http:<span>//</span><span>www.fangbei.org/index.php?signature=35703636de2f9df2a77a662b68e521ce17c34db4&timestamp=1414243737&nonce=1792106704&encrypt_type=aes&msg_signature=6147984331daf7a1a9eed6e0ec3ba69055256154</span>
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同时向该接口推送如下XML消息 ，即一个已加密的消息

<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>
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这时，程序需要从url中获得以下参数

<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'];
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这些参数将用于加解密过程

收到消息后，先进行解密，解密部分代码如下

<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>
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解密完成后，把解密内容又返回给$postStr，这是为了保证将消息中解密后的内容和明文模式时的消息统一，方便后续处理，解密后的XML如下

<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>
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对消息在自己的原来代码中处理，完成之后，要回复的消息如下

<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>
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把上述消息进行加密，返回给微信公众账号

<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>
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加密后的内容如下

<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>
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这样，一个安全模式下的加解密消息就完成了。

三、完整代码

<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> ?>
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微信公众平台的高级功可以点进去页面显示不存在？

你是新注册的账号吗？要是新账号，不显示应该是因为还没被审核通过吧。要不是新账号，就清理下浏览器缓存，要么就换台机器试试。应该不会有别的原因了。
 

微信公众平台开发者模式回复多条图文消息代码

可以将单个图文消息抽象出来作为一个循环, 把每篇文章的内容填写进去好了后, 再拼接起来, 这样是最快的. 我也是做微信开发模式第三方开发的, 可以看我的资料, 个人简介.
 

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