关键字:微信公众平台 开发模式 图文消息
作者:方倍工作室
原文:http://www.cnblogs.com/txw1958/p/weixin-97-news.html
在这篇微信公众平台开发教程中,我们将介绍如何灵活的使用图文消息功能。我们将只介绍被动回复消息中的图文消息,发送客服消息及高级群发消息接口的发送的图文消息与本文介绍的图文消息的各情况基本一致。
本文分为以下四个部分:
一、图文消息的定义
在微信公众平台消息中,发送被动响应消息中的图文消息的XML结构如下所示。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | <span><</span><span>xml</span><span>></span>
<span><</span><span>ToUserName</span><span>></span><span><![CDATA[</span><span>toUser</span><span>]]></span><span></</span><span>ToUserName</span><span>></span>
<span><</span><span>FromUserName</span><span>></span><span><![CDATA[</span><span>fromUser</span><span>]]></span><span></</span><span>FromUserName</span><span>></span>
<span><</span><span>CreateTime</span><span>></span>12345678<span></</span><span>CreateTime</span><span>></span>
<span><</span><span>MsgType</span><span>></span><span><![CDATA[</span><span>news</span><span>]]></span><span></</span><span>MsgType</span><span>></span>
<span><</span><span>ArticleCount</span><span>></span>2<span></</span><span>ArticleCount</span><span>></span>
<span><</span><span>Articles</span><span>></span>
<span><</span><span>item</span><span>></span>
<span><</span><span>Title</span><span>></span><span><![CDATA[</span><span>title1</span><span>]]></span><span></</span><span>Title</span><span>></span>
<span><</span><span>Description</span><span>></span><span><![CDATA[</span><span>description1</span><span>]]></span><span></</span><span>Description</span><span>></span>
<span><</span><span>PicUrl</span><span>></span><span><![CDATA[</span><span>picurl</span><span>]]></span><span></</span><span>PicUrl</span><span>></span>
<span><</span><span>Url</span><span>></span><span><![CDATA[</span><span>url</span><span>]]></span><span></</span><span>Url</span><span>></span>
<span></</span><span>item</span><span>></span>
<span><</span><span>item</span><span>></span>
<span><</span><span>Title</span><span>></span><span><![CDATA[</span><span>title</span><span>]]></span><span></</span><span>Title</span><span>></span>
<span><</span><span>Description</span><span>></span><span><![CDATA[</span><span>description</span><span>]]></span><span></</span><span>Description</span><span>></span>
<span><</span><span>PicUrl</span><span>></span><span><![CDATA[</span><span>picurl</span><span>]]></span><span></</span><span>PicUrl</span><span>></span>
<span><</span><span>Url</span><span>></span><span><![CDATA[</span><span>url</span><span>]]></span><span></</span><span>Url</span><span>></span>
<span></</span><span>item</span><span>></span>
<span></</span><span>Articles</span><span>></span>
<span></</span><span>xml</span><span>></span>
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其参数说明如下.
参数 | 是否必须 | 说明 |
ToUserName |
是 |
接收方帐号(收到的OpenID) |
FromUserName |
是 |
开发者微信号 |
CreateTime |
是 |
消息创建时间 (整型) |
MsgType |
是 |
news |
ArticleCount |
是 |
图文消息个数,限制为10条以内 |
Articles |
是 |
多条图文消息信息,默认第一个item为大图,注意,如果图文数超过10,则将会无响应 |
Title |
否 |
图文消息标题 |
Description |
否 |
图文消息描述 |
PicUrl |
否 |
图片链接,支持JPG、PNG格式,较好的效果为大图360*200,小图200*200 |
Url |
否 |
点击图文消息跳转链接 |
从中可以知道,图文消息的类型为news,图文消息个数最大为10(注意在编辑模式中,可以设置最大条数为8)。超过10条,微信将不再响应。
多图文消息中会有大图和小图的区别,第一个item中的图片为大图,其他item中的图片为小图。
二、图文消息的实现
根据上述定义,我们定义图文消息的回复代码实现如下:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | <span>
<span> private </span> <span> function </span> transmitNews(<span> $object </span>, <span> $newsArray </span><span>)
{
</span><span> if </span>(!<span> is_array </span>(<span> $newsArray </span><span>)){
</span><span> return </span><span>;
}
</span><span> $itemTpl </span> = "<span> <item>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
<PicUrl><![CDATA[%s]]></PicUrl>
<Url><![CDATA[%s]]></Url>
</item>
</span>"<span>;
</span><span> $item_str </span> = "" <span>;
</span><span> foreach </span> (<span> $newsArray </span> <span> as </span> <span> $item </span><span>){
</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> $xmlTpl </span> = "<span><xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[news]]></MsgType>
<ArticleCount>%s</ArticleCount>
<Articles>
</span><span> $item_str </span><span></Articles>
</xml></span>"<span>;
</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> return </span> <span> $result </span><span>;
}</span>
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上述代码中,先将各item连接形成item_str,再将item_str赋值到xml模板中,组装一个图文消息。组装时,将object中的发送、接收方互换位置,计算出图文项的个数。
而在构造图文消息并使用图文回复的代码如下所示
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | <span> if </span> (<span> strstr </span>(<span> $keyword </span>, "单图文" <span>)){
</span><span> $content </span> = <span> array </span><span>();
</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> 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> $content </span> = <span> array </span><span>();
</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> $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> $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> if </span>(<span> is_array </span>(<span> $content </span><span>)){
</span><span> if </span> (<span>isset</span>(<span> $content </span>[0][ 'PicUrl' <span>])){
</span><span> $result </span> = <span> $this </span>->transmitNews(<span> $object </span>, <span> $content </span><span>);
}</span><span> else </span> <span> if </span> (<span>isset</span>(<span> $content </span>[ 'MusicUrl' <span>])){
</span><span> $result </span> = <span> $this </span>->transmitMusic(<span> $object </span>, <span> $content </span><span>);
}
}</span><span> else </span><span>{
</span><span> $result </span> = <span> $this </span>->transmitText(<span> $object </span>, <span> $content </span><span>);
}</span>
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一个完整的体验代码可参考 微信公众平台开发接口PHP SDK完整版
三、图文消息的类型
图文消息从item的个数上来分,可以分为单图文消息和多图文消息,其中单图文消息中item数为1,多图文消息中item数从2~10都包括。
虽然图文消息只有两种类型,但其实可以通过设置不同的参数构造出更多的展示效果。
单图文消息
单图文消息就是一个图文消息。
下面代码定义一个基本的图文消息
1 2 3 4 5 | <span> $content </span> = <span> array </span><span>();
</span><span> $content </span>[] = <span> array </span>( "Title" => "大学英语四六级成绩查询" ,
"Description" => "点击图片进入" ,
"PicUrl" => "http://365jia.cn/uploads/13/0301/5130c2ff93618.jpg" ,
"Url" => "http://israel.sinaapp.com/cet/index.php?openid=" .<span> $object </span>->FromUserName);
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它的回复效果如图所示。其特点是标题粗体显示,内容字体则为灰色显示,如果有图片,则同时显示日期。

再看一下不定义图片和链接时的情况,代码如下
1 2 3 4 5 6 7 8 9 10 11 12 13 | <span> $aqiArray </span> = <span> array </span><span>();
</span><span> $aqiArray </span>[] = <span> array </span>( "Title" =><span> $cityAir </span>[0][ 'area' ]. "空气质量" ,
"Description" => "空气质量指数(AQI):" .<span> $cityAir </span>[0][ 'aqi' ]. "\n" .
"空气质量等级:" .<span> $cityAir </span>[0][ 'quality' ]. "\n" .
"细颗粒物(PM2.5):" .<span> $cityAir </span>[0][ 'pm2_5' ]. "\n" .
"可吸入颗粒物(PM10):" .<span> $cityAir </span>[0][ 'pm10' ]. "\n" .
"一氧化碳(CO):" .<span> $cityAir </span>[0][ 'co' ]. "\n" .
"二氧化氮(NO2):" .<span> $cityAir </span>[0][ 'no2' ]. "\n" .
"二氧化硫(SO2):" .<span> $cityAir </span>[0][ 'so2' ]. "\n" .
"臭氧(O3):" .<span> $cityAir </span>[0][ 'o3' ]. "\n" .
"更新时间:" .<span>preg_replace</span>( "/([a-zA-Z])/i" , " " , <span> $cityAir </span>[0][ 'time_point' <span>]);
</span> "PicUrl" => "" ,
"Url" => "" );
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其效果如下所示。

可以看到,这时,由于没有图片,所以也不显示日期了,另外没有带链接,所以“查看全文”也不显示了。
多图文
多图文消息一个最大的特点就是:描述内容不会在返回中显示,所以没有必要定义描述了。
下面是一个基本的多图文消息的定义
1 2 3 4 | <span> $content </span> = <span> array </span><span>();
</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> $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> $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" );
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其实现效果如下

如果觉得首图太大,占地方,也可以不填写。
比如这样的代码
1 2 3 4 | <span> $content </span> = <span> array </span><span>();
</span><span> $content </span>[] = <span> array </span>( "Title" => "微信公众平台开发教程" , "Description" => "" , "PicUrl" => "" , "Url" => "" <span>);
</span><span> $content </span>[] = <span> array </span>( "Title" => "【基础入门】免费\n1. 申请服务器资源\n2. 启用开发模式\n3. 消息类型详解\n4. 获取接收消息\n5. 回复不同消息" , "Description" => "" , "PicUrl" => "http://e.hiphotos.bdimg.com/wisegame/pic/item/9e1f4134970a304e1e398c62d1c8a786c9175c0a.jpg" , "Url" => "http://m.cnblogs.com/99079/3153567.html?full=1" <span>);
</span><span> $content </span>[] = <span> array </span>( "Title" => "【初级教程】双11六折促销\n1.小黄鸡机器人\n2.英语类公众账号开发" , "Description" => "" , "PicUrl" => "http://g.hiphotos.bdimg.com/wisegame/pic/item/3166d0160924ab186196512537fae6cd7b890b24.jpg" , "Url" => "http://israel.duapp.com/taobao/index.php?id=1" );
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其效果如下所示
$content = array();
$content[] = array("Title" =>"欢迎关注方倍工作室","Description" =>"", "PicUrl" =>"", "Url" =>"");
$content[] = array("Title" =>"【1】新闻 天气 空气 股票 彩票 星座\n".
"【2】快递 人品 算命 解梦 附近 苹果\n".
"【3】公交 火车 汽车 航班 路况 违章\n".
"【4】翻译 百科 双语 听力 成语 历史\n".
"【5】团购 充值 菜谱 贺卡 景点 冬吴\n".
"【6】情侣相 夫妻相 亲子相 女人味\n".
"【7】相册 游戏 笑话 答题 点歌 树洞\n".
"【8】微社区 四六级 华强北 世界杯\n\n".
"更多精彩,即将亮相,敬请期待!";, "Description" =>"", "PicUrl" =>"", "Url" =>"");
$content[] = array("Title" =>"回复对应数字查看使用方法\n发送 0 返回本菜单", "Description" =>"", "PicUrl" =>"", "Url" =>"");
其效果如下所示

四、图文消息的回复
因为图文消息有更好的视觉效果,很多朋友都想要实现图文消息的回复。主要有以下几种情况
1. 关注时回复图文消息
放到订阅事件下就行了,代码如下
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | <span>
<span> private </span> <span> function </span> receiveEvent(<span> $object </span><span>)
{
</span><span> $content </span> = "" <span>;
</span><span> switch </span> (<span> $object </span>-><span>Event)
{
</span><span> case </span> "subscribe" :
<span> $content </span> = <span> array </span><span>();
</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> $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> $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> break </span><span>;
</span><span> case </span> "unsubscribe" :
<span> $content </span> = "取消关注" <span>;
</span><span> break </span><span>;
}
</span><span> if </span>(<span> is_array </span>(<span> $content </span><span>)){
</span><span> if </span> (<span>isset</span>(<span> $content </span>[0<span>])){
</span><span> $result </span> = <span> $this </span>->transmitNews(<span> $object </span>, <span> $content </span><span>);
}</span><span> else </span> <span> if </span> (<span>isset</span>(<span> $content </span>[ 'MusicUrl' <span>])){
</span><span> $result </span> = <span> $this </span>->transmitMusic(<span> $object </span>, <span> $content </span><span>);
}
}</span><span> else </span><span>{
</span><span> $result </span> = <span> $this </span>->transmitText(<span> $object </span>, <span> $content </span><span>);
}
</span><span> return </span> <span> $result </span><span>;
}</span>
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2. 发送关键字回复图文消息
通过判断关键字既可实现,
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | <span>
<span> private </span> <span> function </span> receiveText(<span> $object </span><span>)
{
</span><span> $keyword </span> = <span>trim</span>(<span> $object </span>-><span>Content);
</span><span> if </span> (<span> strstr </span>(<span> $keyword </span>, "单图文" <span>)){
</span><span> $content </span> = <span> array </span><span>();
</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> 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> $content </span> = <span> array </span><span>();
</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> $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> $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> else </span><span>{
</span><span> $content </span> = <span> date </span>( "Y-m-d H:i:s" ,<span>time</span>()). "\n技术支持 方倍工作室" <span>;
}
</span><span> if </span>(<span> is_array </span>(<span> $content </span><span>)){
</span><span> if </span> (<span>isset</span>(<span> $content </span>[0][ 'PicUrl' <span>])){
</span><span> $result </span> = <span> $this </span>->transmitNews(<span> $object </span>, <span> $content </span><span>);
}</span><span> else </span> <span> if </span> (<span>isset</span>(<span> $content </span>[ 'MusicUrl' <span>])){
</span><span> $result </span> = <span> $this </span>->transmitMusic(<span> $object </span>, <span> $content </span><span>);
}
}</span><span> else </span><span>{
</span><span> $result </span> = <span> $this </span>->transmitText(<span> $object </span>, <span> $content </span><span>);
}
}</span>
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3. 点击菜单时回复图文消息
在菜单点击事件中响应即可
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | <span>
<span> private </span> <span> function </span> receiveEvent(<span> $object </span><span>)
{
</span><span> $content </span> = "" <span>;
</span><span> switch </span> (<span> $object </span>-><span>Event)
{
</span><span> case </span> "subscribe" :
<span> $content </span> = "欢迎关注方倍工作室 " <span>;
</span><span> break </span><span>;
</span><span> case </span> "CLICK" :
<span> switch </span> (<span> $object </span>-><span>EventKey)
{
</span><span> case </span> "COMPANY" :
<span> $content </span> = <span> array </span><span>();
</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> break </span><span>;
</span><span> default </span>:
<span> $content </span> = "点击菜单:" .<span> $object </span>-><span>EventKey;
</span><span> break </span><span>;
}
</span><span> break </span><span>;
}
</span><span> if </span>(<span> is_array </span>(<span> $content </span><span>)){
</span><span> if </span> (<span>isset</span>(<span> $content </span>[0<span>])){
</span><span> $result </span> = <span> $this </span>->transmitNews(<span> $object </span>, <span> $content </span><span>);
}</span><span> else </span> <span> if </span> (<span>isset</span>(<span> $content </span>[ 'MusicUrl' <span>])){
</span><span> $result </span> = <span> $this </span>->transmitMusic(<span> $object </span>, <span> $content </span><span>);
}
}</span><span> else </span><span>{
</span><span> $result </span> = <span> $this </span>->transmitText(<span> $object </span>, <span> $content </span><span>);
}
</span><span> return </span> <span> $result </span><span>;
}</span>
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4. 回复多个图文消息
由于回复消息一次只能回复一条,因此要回复多个图文消息,就需要使用其他接口。这需要已经认证的服务号才能拥有权限。
可以回复图文消息的接口有客服接口及高级群发接口,如果被动回复不够,就可使用客服接口来发送。
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方倍工作室微信公众平台账号关注方法:
1. 微信通讯录-添加朋友-查找公众号-搜索“方倍工作室”
2. 微信通讯录-添加朋友-搜号码-输入“pondbaystudio”
3. 使用微信扫描下面的二维码

http://www.bkjia.com/PHPjc/817469.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/817469.htmlTechArticle关键字: 微信公众平台 开发模式 图文消息 作者:方倍工作室 原文:http://www.cnblogs.com/txw1958/p/weixin-97-news.html 在这篇微信公众平台开发教程...