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微信公众平台开发(82) 天气预报_PHP教程

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Jul 13, 2016 am 10:36 AM

aspnet pengaturcaraan perisian

在这篇教程中，我们将介绍如何在微信公众平台上开发天气预报功能。我们将使用中国天气网的气象数据接口来获取天气信息。

这篇教程将介绍以下内容：

一、中国天气网

中国天气网提供了丰富的气象数据接口。下面我们介绍主要的几个：

国家根节点接口：

http://flash.weather.com.cn/wmaps/xml/china.xml

Salin selepas log masuk

<span <</span><span city </span><span quName</span><span ="广东"</span><span  pyName</span><span ="guangdong"</span><span  cityname</span><span ="广州"</span><span  state1</span><span ="2"</span><span  state2</span><span ="7"</span><span  stateDetailed</span><span ="阴转小雨"</span><span  tem1</span><span ="8"</span><span  tem2</span><span ="15"</span><span  windState</span><span ="微风"</span><span /></span>

Salin selepas log masuk

省级节点接口（以广东为例）：

http://flash.weather.com.cn/wmaps/xml/Guangdong.xml

Salin selepas log masuk

<span <</span><span city </span><span cityX</span><span ="409"</span><span  cityY</span><span ="257"</span><span  cityname</span><span ="深圳"</span><span  centername</span><span ="深圳"</span><span  fontColor</span><span ="FFFFFF"</span><span  pyName</span><span ="shenzhen"</span><span  state1</span><span ="1"</span><span  state2</span><span ="1"</span><span  stateDetailed</span><span ="多云"</span><span  tem1</span><span ="12"</span><span  tem2</span><span ="18"</span><span  temNow</span><span ="12"</span><span  windState</span><span ="微风"</span><span  windDir</span><span ="东北风"</span><span  windPower</span><span ="1级"</span><span  humidity</span><span ="74%"</span><span  time</span><span ="21:15"</span><span  url</span><span ="101280601"</span><span /></span>

Salin selepas log masuk

。

实时天气数据（以深圳为例）：

http://www.weather.com.cn/data/sk/101280601.html

Salin selepas log masuk

<span {
    </span><span "</span><span weatherinfo</span><span "</span><span : {
        </span><span "</span><span city</span><span "</span>: <span "</span><span 深圳</span><span "</span><span ,
        </span><span "</span><span cityid</span><span "</span>: <span "</span><span 101280601</span><span "</span><span ,
        </span><span "</span><span temp</span><span "</span>: <span "</span><span 12</span><span "</span><span ,
        </span><span "</span><span WD</span><span "</span>: <span "</span><span 东北风</span><span "</span><span ,
        </span><span "</span><span WS</span><span "</span>: <span "</span><span 1级</span><span "</span><span ,
        </span><span "</span><span SD</span><span "</span>: <span "</span><span 75%</span><span "</span><span ,
        </span><span "</span><span WSE</span><span "</span>: <span "</span><span 1</span><span "</span><span ,
        </span><span "</span><span time</span><span "</span>: <span "</span><span 21:20</span><span "</span><span ,
        </span><span "</span><span isRadar</span><span "</span>: <span "</span><span 1</span><span "</span><span ,
        </span><span "</span><span Radar</span><span "</span>: <span "</span><span JC_RADAR_AZ9755_JB</span><span "</span><span 
    }
}</span>

Salin selepas log masuk

六日天气数据（以深圳为例）：

http://m.weather.com.cn/data/101280601.html

Salin selepas log masuk

<span {
    </span><span "</span><span weatherinfo</span><span "</span><span : {
        </span><span "</span><span city</span><span "</span>: <span "</span><span 深圳</span><span "</span><span ,
        </span><span "</span><span city_en</span><span "</span>: <span "</span><span shenzhen</span><span "</span><span ,
        </span><span "</span><span date_y</span><span "</span>: <span "</span><span 2014年2月15日</span><span "</span><span ,
        </span><span "</span><span date</span><span "</span>: <span ""</span><span ,
        </span><span "</span><span week</span><span "</span>: <span "</span><span 星期六</span><span "</span><span ,
        </span><span "</span><span fchh</span><span "</span>: <span "</span><span 18</span><span "</span><span ,
        </span><span "</span><span cityid</span><span "</span>: <span "</span><span 101280601</span><span "</span><span ,
        </span><span "</span><span temp1</span><span "</span>: <span "</span><span 12℃~18℃</span><span "</span><span ,
        </span><span "</span><span temp2</span><span "</span>: <span "</span><span 16℃~21℃</span><span "</span><span ,
        </span><span "</span><span temp3</span><span "</span>: <span "</span><span 17℃~23℃</span><span "</span><span ,
        </span><span "</span><span temp4</span><span "</span>: <span "</span><span 11℃~18℃</span><span "</span><span ,
        </span><span "</span><span temp5</span><span "</span>: <span "</span><span 10℃~15℃</span><span "</span><span ,
        </span><span "</span><span temp6</span><span "</span>: <span "</span><span 12℃~17℃</span><span "</span><span ,
        </span><span "</span><span tempF1</span><span "</span>: <span "</span><span 53.6℉~64.4℉</span><span "</span><span ,
        </span><span "</span><span tempF2</span><span "</span>: <span "</span><span 60.8℉~69.8℉</span><span "</span><span ,
        </span><span "</span><span tempF3</span><span "</span>: <span "</span><span 62.6℉~73.4℉</span><span "</span><span ,
        </span><span "</span><span tempF4</span><span "</span>: <span "</span><span 51.8℉~64.4℉</span><span "</span><span ,
        </span><span "</span><span tempF5</span><span "</span>: <span "</span><span 50℉~59℉</span><span "</span><span ,
        </span><span "</span><span tempF6</span><span "</span>: <span "</span><span 53.6℉~62.6℉</span><span "</span><span ,
        </span><span "</span><span weather1</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span weather2</span><span "</span>: <span "</span><span 阴</span><span "</span><span ,
        </span><span "</span><span weather3</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span weather4</span><span "</span>: <span "</span><span 中雨</span><span "</span><span ,
        </span><span "</span><span weather5</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span weather6</span><span "</span>: <span "</span><span 阴</span><span "</span><span ,
        </span><span "</span><span img1</span><span "</span>: <span "</span><span 1</span><span "</span><span ,
        </span><span "</span><span img2</span><span "</span>: <span "</span><span 99</span><span "</span><span ,
        </span><span "</span><span img3</span><span "</span>: <span "</span><span 2</span><span "</span><span ,
        </span><span "</span><span img4</span><span "</span>: <span "</span><span 99</span><span "</span><span ,
        </span><span "</span><span img5</span><span "</span>: <span "</span><span 1</span><span "</span><span ,
        </span><span "</span><span img6</span><span "</span>: <span "</span><span 99</span><span "</span><span ,
        </span><span "</span><span img7</span><span "</span>: <span "</span><span 8</span><span "</span><span ,
        </span><span "</span><span img8</span><span "</span>: <span "</span><span 99</span><span "</span><span ,
        </span><span "</span><span img9</span><span "</span>: <span "</span><span 1</span><span "</span><span ,
        </span><span "</span><span img10</span><span "</span>: <span "</span><span 99</span><span "</span><span ,
        </span><span "</span><span img11</span><span "</span>: <span "</span><span 2</span><span "</span><span ,
        </span><span "</span><span img12</span><span "</span>: <span "</span><span 99</span><span "</span><span ,
        </span><span "</span><span img_single</span><span "</span>: <span "</span><span 1</span><span "</span><span ,
        </span><span "</span><span img_title1</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span img_title2</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span img_title3</span><span "</span>: <span "</span><span 阴</span><span "</span><span ,
        </span><span "</span><span img_title4</span><span "</span>: <span "</span><span 阴</span><span "</span><span ,
        </span><span "</span><span img_title5</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span img_title6</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span img_title7</span><span "</span>: <span "</span><span 中雨</span><span "</span><span ,
        </span><span "</span><span img_title8</span><span "</span>: <span "</span><span 中雨</span><span "</span><span ,
        </span><span "</span><span img_title9</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span img_title10</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span img_title11</span><span "</span>: <span "</span><span 阴</span><span "</span><span ,
        </span><span "</span><span img_title12</span><span "</span>: <span "</span><span 阴</span><span "</span><span ,
        </span><span "</span><span img_title_single</span><span "</span>: <span "</span><span 多云</span><span "</span><span ,
        </span><span "</span><span wind1</span><span "</span>: <span "</span><span 微风</span><span "</span><span ,
        </span><span "</span><span wind2</span><span "</span>: <span "</span><span 微风</span><span "</span><span ,
        </span><span "</span><span wind3</span><span "</span>: <span "</span><span 微风</span><span "</span><span ,
        </span><span "</span><span wind4</span><span "</span>: <span "</span><span 东北风3-4级</span><span "</span><span ,
        </span><span "</span><span wind5</span><span "</span>: <span "</span><span 微风</span><span "</span><span ,
        </span><span "</span><span wind6</span><span "</span>: <span "</span><span 微风</span><span "</span><span ,
        </span><span "</span><span fx1</span><span "</span>: <span "</span><span 微风</span><span "</span><span ,
        </span><span "</span><span fx2</span><span "</span>: <span "</span><span 微风</span><span "</span><span ,
        </span><span "</span><span fl1</span><span "</span>: <span "</span><span 小于3级</span><span "</span><span ,
        </span><span "</span><span fl2</span><span "</span>: <span "</span><span 小于3级</span><span "</span><span ,
        </span><span "</span><span fl3</span><span "</span>: <span "</span><span 小于3级</span><span "</span><span ,
        </span><span "</span><span fl4</span><span "</span>: <span "</span><span 3-4级</span><span "</span><span ,
        </span><span "</span><span fl5</span><span "</span>: <span "</span><span 小于3级</span><span "</span><span ,
        </span><span "</span><span fl6</span><span "</span>: <span "</span><span 小于3级</span><span "</span><span ,
        </span><span "</span><span index</span><span "</span>: <span "</span><span 较舒适</span><span "</span><span ,
        </span><span "</span><span index_d</span><span "</span>: <span "</span><span 建议着薄外套、开衫牛仔衫裤等服装。年老体弱者应适当添加衣物，宜着夹克衫、薄毛衣等。</span><span "</span><span ,
        </span><span "</span><span index48</span><span "</span>: <span "</span><span 较舒适</span><span "</span><span ,
        </span><span "</span><span index48_d</span><span "</span>: <span "</span><span 建议着薄外套、开衫牛仔衫裤等服装。年老体弱者应适当添加衣物，宜着夹克衫、薄毛衣等。</span><span "</span><span ,
        </span><span "</span><span index_uv</span><span "</span>: <span "</span><span 最弱</span><span "</span><span ,
        </span><span "</span><span index48_uv</span><span "</span>: <span "</span><span 最弱</span><span "</span><span ,
        </span><span "</span><span index_xc</span><span "</span>: <span "</span><span 适宜</span><span "</span><span ,
        </span><span "</span><span index_tr</span><span "</span>: <span "</span><span 适宜</span><span "</span><span ,
        </span><span "</span><span index_co</span><span "</span>: <span "</span><span 舒适</span><span "</span><span ,
        </span><span "</span><span st1</span><span "</span>: <span "</span><span 19</span><span "</span><span ,
        </span><span "</span><span st2</span><span "</span>: <span "</span><span 13</span><span "</span><span ,
        </span><span "</span><span st3</span><span "</span>: <span "</span><span 23</span><span "</span><span ,
        </span><span "</span><span st4</span><span "</span>: <span "</span><span 16</span><span "</span><span ,
        </span><span "</span><span st5</span><span "</span>: <span "</span><span 24</span><span "</span><span ,
        </span><span "</span><span st6</span><span "</span>: <span "</span><span 18</span><span "</span><span ,
        </span><span "</span><span index_cl</span><span "</span>: <span "</span><span 适宜</span><span "</span><span ,
        </span><span "</span><span index_ls</span><span "</span>: <span "</span><span 适宜</span><span "</span><span ,
        </span><span "</span><span index_ag</span><span "</span>: <span "</span><span 不易发</span><span "</span><span 
    }
}</span>

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以上接口是我们做天气预报功能将使用到的接口。

二、微信公众平台开发

1. 需要将城市编码对照表导入到数据库中，以下是SAE导入后截图

2. 将城市名转为城市代码的方法，这将在用户发送城市名的时候调用

<span  1</span> <span function</span> fromNameToCode(<span $name</span><span )
</span><span  2</span> <span {
</span><span  3</span>     <span $mysql_host</span> =<span  SAE_MYSQL_HOST_M;
</span><span  4</span>     <span $mysql_host_s</span> =<span  SAE_MYSQL_HOST_S;
</span><span  5</span>     <span $mysql_port</span> =<span  SAE_MYSQL_PORT;
</span><span  6</span>     <span $mysql_user</span> =<span  SAE_MYSQL_USER;
</span><span  7</span>     <span $mysql_password</span> =<span  SAE_MYSQL_PASS;
</span><span  8</span>     <span $mysql_database</span> =<span  SAE_MYSQL_DB;
</span><span  9</span> 
<span 10</span>     <span $mysql_table</span> = "weather"<span ;
</span><span 11</span>     <span $mysql_state</span> = "SELECT * FROM ".<span $mysql_table</span>." WHERE `cityName` = '".<span $name</span>."'"<span ;
</span><span 12</span>     
<span 13</span>     <span $con</span> = <span mysql_connect</span>(<span $mysql_host</span>.':'.<span $mysql_port</span>, <span $mysql_user</span>, <span $mysql_password</span>, <span true</span><span );
</span><span 14</span>     <span if</span> (!<span $con</span><span ){
</span><span 15</span>         <span die</span>('Could not connect: ' . <span mysql_error</span><span ());
</span><span 16</span> <span     }
</span><span 17</span>     <span mysql_query</span>("SET NAMES 'UTF8'"<span );
</span><span 18</span>     <span mysql_select_db</span>(<span $mysql_database</span>, <span $con</span><span );
</span><span 19</span>     <span $result</span> = <span mysql_query</span>(<span $mysql_state</span><span );
</span><span 20</span>     <span $cityCode</span> = ""<span ;
</span><span 21</span>     <span while</span>(<span $row</span> = <span mysql_fetch_array</span>(<span $result</span><span ))
</span><span 22</span> <span     {
</span><span 23</span>         <span $cityCode</span> = <span $row</span>['cityCode'<span ]; 
</span><span 24</span>         <span break</span><span ;
</span><span 25</span> <span     }
</span><span 26</span>     <span mysql_close</span>(<span $con</span><span );
</span><span 27</span>     <span return</span> <span $cityCode</span><span ;
</span><span 28</span> }

Salin selepas log masuk

3. 编写接口调用函数，用于向天气网发送cURL请求，获取数据

<span  1</span> <span function</span> httpRequest(<span $url</span><span )
</span><span  2</span> <span {
</span><span  3</span>     <span $ch</span> =<span  curl_init();
</span><span  4</span>     curl_setopt(<span $ch</span>, CURLOPT_URL, <span $url</span><span );
</span><span  5</span>     curl_setopt(<span $ch</span>, CURLOPT_RETURNTRANSFER, 1<span );
</span><span  6</span>     <span $output</span> = curl_exec(<span $ch</span><span );
</span><span  7</span>     curl_close(<span $ch</span><span );
</span><span  8</span>     <span if</span> (<span $output</span> === <span FALSE</span><span ){
</span><span  9</span>         <span return</span> "cURL Error: ". curl_error(<span $ch</span><span );
</span><span 10</span> <span     }
</span><span 11</span>     <span return</span> <span $output</span><span ;
</span><span 12</span> }

Salin selepas log masuk

4. 编写获取天气数据的函数，这里获取实时天气和未来3日天气，并将返回结果封装成图文信息的数组

<span  1</span> <span function</span> getWeatherInfo(<span $cityName</span><span )
</span><span  2</span> <span {
</span><span  3</span>     <span $cityCode</span> = fromNameToCode(<span $cityName</span><span );
</span><span  4</span>     
<span  5</span>     <span if</span> (<span $cityCode</span> == ""<span )
</span><span  6</span> <span     {
</span><span  7</span>         <span return</span> "错误的城市名或者此城市不在数据库中!"<span ;
</span><span  8</span> <span     }
</span><span  9</span>     
<span 10</span>     <span //</span><span 获取实时天气</span>
<span 11</span>     <span $url</span> = "http://www.weather.com.cn/data/sk/".<span $cityCode</span>.".html"<span ;
</span><span 12</span>     <span $output</span> = httpRequest(<span $url</span><span );
</span><span 13</span>     <span $weather</span> = json_decode(<span $output</span>, <span true</span><span ); 
</span><span 14</span>     <span $info</span> = <span $weather</span>['weatherinfo'<span ];
</span><span 15</span> 
<span 16</span>     <span $weatherArray</span> = <span array</span><span ();
</span><span 17</span>     <span $weatherArray</span>[] = <span array</span>("Title"=>$info['city']."天气预报", "Description"=>"", "PicUrl"=>"", "Url" =>""<span );
</span><span 18</span>     <span if</span> ((int)<span $cityCode</span> < 101340000<span ){
</span><span 19</span>         <span $result</span> = "实况 温度：".<span $info</span>['temp']."℃ 湿度：".<span $info</span>['SD']." 风速：".<span $info</span>['WD'].<span $info</span>['WSE']."级"<span ;
</span><span 20</span>         <span $weatherArray</span>[] = <span array</span>("Title"=><span str_replace</span>("%", "﹪", <span $result</span>), "Description"=>"", "PicUrl"=>"", "Url" =>""<span );
</span><span 21</span> <span     }
</span><span 22</span> 
<span 23</span>     <span //</span><span 获取六日天气</span>
<span 24</span>     <span $url</span> = "http://m.weather.com.cn/data/".<span $cityCode</span>.".html"<span ;
</span><span 25</span>     <span $output</span> = httpRequest(<span $url</span><span );
</span><span 26</span>     <span $weather</span> = json_decode(<span $output</span>, <span true</span><span ); 
</span><span 27</span>     <span $info</span> = <span $weather</span>['weatherinfo'<span ];
</span><span 28</span> 
<span 29</span>     <span if</span> (!<span empty</span>(<span $info</span>['index_d'<span ])){
</span><span 30</span>         <span $weatherArray</span>[] = <span array</span>("Title" =><span $info</span>['index_d'], "Description" =>"", "PicUrl" =>"", "Url" =>""<span );
</span><span 31</span> <span     }
</span><span 32</span> 
<span 33</span>     <span $weekArray</span> = <span array</span>("日","一","二","三","四","五","六"<span );
</span><span 34</span>     <span $maxlength</span> = 3<span ;
</span><span 35</span>     <span for</span> (<span $i</span> = 1; <span $i</span> <= <span $maxlength</span>; <span $i</span>++<span ) {
</span><span 36</span>         <span $offset</span> = <span strtotime</span>("+".(<span $i</span>-1)." day"<span );
</span><span 37</span>         <span $subTitle</span> = <span date</span>("m月d日",<span $offset</span>)." 周".<span $weekArray</span>[<span date</span>('w',<span $offset</span>)]." ".<span $info</span>['temp'.<span $i</span>]." ".<span $info</span>['weather'.<span $i</span>]." ".<span $info</span>['wind'.<span $i</span><span ];
</span><span 38</span>         <span $weatherArray</span>[] = <span array</span>("Title" =><span $subTitle</span>, "Description" =>"", "PicUrl" =>"http://discuz.comli.com/weixin/weather/"."d".<span sprintf</span>("%02u",<span $info</span>['img'.((<span $i</span> *2)-1)]).".jpg", "Url" =>""<span );
</span><span 39</span> <span     }
</span><span 40</span> 
<span 41</span>     <span return</span> <span $weatherArray</span><span ;
</span><span 42</span> }

Salin selepas log masuk

5. 在微信公众平台接口函数中处理收到的文本消息时，文本将为城市名，直接调用获取天气的函数

<span   1</span> <span /*</span>
<span   2</span> <span     方倍工作室
</span><span   3</span> <span     CopyRight 2013 All Rights Reserved
</span><span   4</span> <span */</span>
<span   5</span> 
<span   6</span> <span define</span>("TOKEN", "weixin"<span );
</span><span   7</span> 
<span   8</span> <span $wechatObj</span> = <span new</span><span  wechatCallbackapiTest();
</span><span   9</span> <span if</span> (!<span isset</span>(<span $_GET</span>['echostr'<span ])) {
</span><span  10</span>     <span $wechatObj</span>-><span responseMsg();
</span><span  11</span> }<span else</span><span {
</span><span  12</span>     <span $wechatObj</span>-><span valid();
</span><span  13</span> <span }
</span><span  14</span> 
<span  15</span> <span class</span><span  wechatCallbackapiTest
</span><span  16</span> <span {
</span><span  17</span>     <span public</span> <span function</span><span  valid()
</span><span  18</span> <span     {
</span><span  19</span>         <span $echoStr</span> = <span $_GET</span>["echostr"<span ];
</span><span  20</span>         <span if</span>(<span $this</span>-><span checkSignature()){
</span><span  21</span>             <span echo</span> <span $echoStr</span><span ;
</span><span  22</span>             <span exit</span><span ;
</span><span  23</span> <span         }
</span><span  24</span> <span     }
</span><span  25</span> 
<span  26</span>     <span private</span> <span function</span><span  checkSignature()
</span><span  27</span> <span     {
</span><span  28</span>         <span $signature</span> = <span $_GET</span>["signature"<span ];
</span><span  29</span>         <span $timestamp</span> = <span $_GET</span>["timestamp"<span ];
</span><span  30</span>         <span $nonce</span> = <span $_GET</span>["nonce"<span ];
</span><span  31</span>         <span $token</span> =<span  TOKEN;
</span><span  32</span>         <span $tmpArr</span> = <span array</span>(<span $token</span>, <span $timestamp</span>, <span $nonce</span><span );
</span><span  33</span>         <span sort</span>(<span $tmpArr</span><span );
</span><span  34</span>         <span $tmpStr</span> = <span implode</span>(<span $tmpArr</span><span );
</span><span  35</span>         <span $tmpStr</span> = <span sha1</span>(<span $tmpStr</span><span );
</span><span  36</span> 
<span  37</span>         <span if</span>(<span $tmpStr</span> == <span $signature</span><span ){
</span><span  38</span>             <span return</span> <span true</span><span ;
</span><span  39</span>         }<span else</span><span {
</span><span  40</span>             <span return</span> <span false</span><span ;
</span><span  41</span> <span         }
</span><span  42</span> <span     }
</span><span  43</span> 
<span  44</span>     <span public</span> <span function</span><span  responseMsg()
</span><span  45</span> <span     {
</span><span  46</span>         <span $postStr</span> = <span $GLOBALS</span>["HTTP_RAW_POST_DATA"<span ];
</span><span  47</span>         <span if</span> (!<span empty</span>(<span $postStr</span><span )){
</span><span  48</span>             <span $this</span>->logger("R ".<span $postStr</span><span );
</span><span  49</span>             <span $postObj</span> = <span simplexml_load_string</span>(<span $postStr</span>, 'SimpleXMLElement',<span  LIBXML_NOCDATA);
</span><span  50</span>             <span $RX_TYPE</span> = <span trim</span>(<span $postObj</span>-><span MsgType);
</span><span  51</span> 
<span  52</span>             <span switch</span> (<span $RX_TYPE</span><span )
</span><span  53</span> <span             {
</span><span  54</span>                 <span case</span> "event":
<span  55</span>                     <span $result</span> = <span $this</span>->receiveEvent(<span $postObj</span><span );
</span><span  56</span>                     <span break</span><span ;
</span><span  57</span>                 <span case</span> "text":
<span  58</span>                     <span $result</span> = <span $this</span>->receiveText(<span $postObj</span><span );
</span><span  59</span>                     <span break</span><span ;
</span><span  60</span> <span             }
</span><span  61</span>             <span $this</span>->logger("T ".<span $result</span><span );
</span><span  62</span>             <span echo</span> <span $result</span><span ;
</span><span  63</span>         }<span else</span><span  {
</span><span  64</span>             <span echo</span> ""<span ;
</span><span  65</span>             <span exit</span><span ;
</span><span  66</span> <span         }
</span><span  67</span> <span     }
</span><span  68</span>     
<span  69</span>     <span private</span> <span function</span> receiveEvent(<span $object</span><span )
</span><span  70</span> <span     {
</span><span  71</span>         <span $content</span> = ""<span ;
</span><span  72</span>         <span switch</span> (<span $object</span>-><span Event)
</span><span  73</span> <span         {
</span><span  74</span>             <span case</span> "subscribe":
<span  75</span>                 <span $content</span> = "欢迎关注方倍工作室 "<span ;
</span><span  76</span>                 <span break</span><span ;
</span><span  77</span>             <span case</span> "unsubscribe":
<span  78</span>                 <span $content</span> = "取消关注"<span ;
</span><span  79</span>                 <span break</span><span ;
</span><span  80</span> <span         }
</span><span  81</span>         <span $result</span> = <span $this</span>->transmitText(<span $object</span>, <span $content</span><span );
</span><span  82</span>         <span return</span> <span $result</span><span ;
</span><span  83</span> <span     }
</span><span  84</span>   
<span  85</span>     <span private</span> <span function</span> receiveText(<span $object</span><span )
</span><span  86</span> <span     {
</span><span  87</span>         <span $keyword</span> = <span trim</span>(<span $object</span>-><span Content);
</span><span  88</span> 
<span  89</span>         <span include</span>("weather.php"<span );
</span><span  90</span>         <span $content</span> = getWeatherInfo(<span $keyword</span><span );
</span><span  91</span>         <span $result</span> = <span $this</span>->transmitNews(<span $object</span>, <span $content</span><span );
</span><span  92</span>         <span return</span> <span $result</span><span ;
</span><span  93</span> <span     }
</span><span  94</span>    
<span  95</span>     
<span  96</span>     <span private</span> <span function</span> transmitText(<span $object</span>, <span $content</span><span )
</span><span  97</span> <span     {
</span><span  98</span>         <span $textTpl</span> = "<span <xml>
</span><span  99</span> <span <ToUserName><![CDATA[%s]]></ToUserName>
</span><span 100</span> <span <FromUserName><![CDATA[%s]]></FromUserName>
</span><span 101</span> <span <CreateTime>%s</CreateTime>
</span><span 102</span> <span <MsgType><![CDATA[text]]></MsgType>
</span><span 103</span> <span <Content><![CDATA[%s]]></Content>
</span><span 104</span> </xml>"<span ;
</span><span 105</span>         <span $result</span> = <span sprintf</span>(<span $textTpl</span>, <span $object</span>->FromUserName, <span $object</span>->ToUserName, <span time</span>(), <span $content</span><span );
</span><span 106</span>         <span return</span> <span $result</span><span ;
</span><span 107</span> <span     }
</span><span 108</span> 
<span 109</span>     <span private</span> <span function</span> transmitNews(<span $object</span>, <span $arr_item</span><span )
</span><span 110</span> <span     {
</span><span 111</span>         <span if</span>(!<span is_array</span>(<span $arr_item</span><span ))
</span><span 112</span>             <span return</span><span ;
</span><span 113</span> 
<span 114</span>         <span $itemTpl</span> = "<span     <item>
</span><span 115</span> <span         <Title><![CDATA[%s]]></Title>
</span><span 116</span> <span         <Description><![CDATA[%s]]></Description>
</span><span 117</span> <span         <PicUrl><![CDATA[%s]]></PicUrl>
</span><span 118</span> <span         <Url><![CDATA[%s]]></Url>
</span><span 119</span> <span     </item>
</span><span 120</span> "<span ;
</span><span 121</span>         <span $item_str</span> = ""<span ;
</span><span 122</span>         <span foreach</span> (<span $arr_item</span> <span as</span> <span $item</span><span )
</span><span 123</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 124</span> 
<span 125</span>         <span $newsTpl</span> = "<span <xml>
</span><span 126</span> <span <ToUserName><![CDATA[%s]]></ToUserName>
</span><span 127</span> <span <FromUserName><![CDATA[%s]]></FromUserName>
</span><span 128</span> <span <CreateTime>%s</CreateTime>
</span><span 129</span> <span <MsgType><![CDATA[news]]></MsgType>
</span><span 130</span> <span <Content><![CDATA[]]></Content>
</span><span 131</span> <span <ArticleCount>%s</ArticleCount>
</span><span 132</span> <span <Articles>
</span><span 133</span> <span $item_str</span><span </Articles>
</span><span 134</span> </xml>"<span ;
</span><span 135</span> 
<span 136</span>         <span $result</span> = <span sprintf</span>(<span $newsTpl</span>, <span $object</span>->FromUserName, <span $object</span>->ToUserName, <span time</span>(), <span count</span>(<span $arr_item</span><span ));
</span><span 137</span>         <span return</span> <span $result</span><span ;
</span><span 138</span> <span     }
</span><span 139</span>     
<span 140</span>     <span private</span> <span function</span> logger(<span $log_content</span><span )
</span><span 141</span> <span     {
</span><span 142</span> <span     }
</span><span 143</span> }

Salin selepas log masuk

四、如何扩展

1. 在数据库加入邮编、区号、拼音等字段，可以扩展成使用区号等方式查询，请参考：http://www.cnblogs.com/txw1958/archive/2013/02/07/weixin-if4-weather-forecast.html

2. 拥有高级接口的用户，可以使用结合语音识别+中文分词技术，实现语音版的智能查询，请参考：http://www.cnblogs.com/txw1958/archive/2013/02/06/weixin-if40-voice-recognition.html

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