微信公众平台消息接口开发(3)
来源:互联网 发布:广东省大数据管理局 编辑:程序博客网 时间:2024/04/26 08:14
原文链接
上面那篇讲了翻译宝宝,调用有道翻译的接口,现在开发天气宝宝,调用的接口是中国气象网的,这个返回给用户的信息是图文信息。
效果如下:
先了解下中国气象网的api,其实只是一条url,即http://m.weather.com.cn/data/城市代码.html,如http://m.weather.com.cn/data/101280101.html,其中的101280101是城市代码,可以在浏览器输入这条url,看看返回什么数据。
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{
"weatherinfo"
: {
"city"
:
"广州"
,
"city_en"
:
"guangzhou"
,
"date_y"
:
"2013年2月27日"
,
"date"
:
""
,
"week"
:
"星期三"
,
"fchh"
:
"11"
,
"cityid"
:
"101280101"
,
<!-- 从今天开始到第六天的每天的天气情况,这里的温度是摄氏温度 -->
"temp1"
:
"25℃~19℃"
,
"temp2"
:
"24℃~19℃"
,
"temp3"
:
"25℃~13℃"
,
"temp4"
:
"22℃~11℃"
,
"temp5"
:
"16℃~9℃"
,
"temp6"
:
"20℃~11℃"
,
<!-- 从今天开始到第六天的每天的天气情况,这里的温度是华氏温度 -->
"tempF1"
:
"77℉~66.2℉"
,
"tempF2"
:
"75.2℉~66.2℉"
,
"tempF3"
:
"77℉~55.4℉"
,
"tempF4"
:
"71.6℉~51.8℉"
,
"tempF5"
:
"60.8℉~48.2℉"
,
"tempF6"
:
"68℉~51.8℉"
,
<!-- 天气描述 -->
"weather1"
:
"阴"
,
"weather2"
:
"阴"
,
"weather3"
:
"阴转小雨"
,
"weather4"
:
"小雨"
,
"weather5"
:
"阴转晴"
,
"weather6"
:
"晴"
,
<!-- 天气描述图片序号 -->
"img1"
:
"2"
,
"img2"
:
"99"
,
"img3"
:
"2"
,
"img4"
:
"99"
,
"img5"
:
"2"
,
"img6"
:
"7"
,
"img7"
:
"7"
,
"img8"
:
"99"
,
"img9"
:
"2"
,
"img10"
:
"0"
,
"img11"
:
"0"
,
"img12"
:
"99"
,
"img_single"
:
"2"
,
<!-- 图片名称 -->
"img_title1"
:
"阴"
,
"img_title2"
:
"阴"
,
"img_title3"
:
"阴"
,
"img_title4"
:
"阴"
,
"img_title5"
:
"阴"
,
"img_title6"
:
"小雨"
,
"img_title7"
:
"小雨"
,
"img_title8"
:
"小雨"
,
"img_title9"
:
"阴"
,
"img_title10"
:
"晴"
,
"img_title11"
:
"晴"
,
"img_title12"
:
"晴"
,
"img_title_single"
:
"阴"
,
<!-- 风速描述 -->
"wind1"
:
"微风"
,
"wind2"
:
"微风"
,
"wind3"
:
"微风转北风4-5级"
,
"wind4"
:
"北风4-5级转3-4级"
,
"wind5"
:
"微风"
,
"wind6"
:
"微风"
,
<!-- 风速级别描述 -->
"fx1"
:
"微风"
,
"fx2"
:
"微风"
,
"fl1"
:
"小于3级"
,
"fl2"
:
"小于3级"
,
"fl3"
:
"小于3级转4-5级"
,
"fl4"
:
"4-5级转3-4级"
,
"fl5"
:
"小于3级"
,
"fl6"
:
"小于3级"
,
<!-- 今天穿衣指数 -->
"index"
:
"舒适"
,
"index_d"
:
"建议着长袖T恤、衬衫加单裤等服装。年老体弱者宜着针织长袖衬衫、马甲和长裤。"
,
<!-- 48小时穿衣指数 -->
"index48"
:
"舒适"
,
"index48_d"
:
"建议着长袖T恤、衬衫加单裤等服装。年老体弱者宜着针织长袖衬衫、马甲和长裤。"
,
<!-- 紫外线及48小时紫外线 -->
"index_uv"
:
"最弱"
,
"index48_uv"
:
"最弱"
,
<!-- 洗车 -->
"index_xc"
:
"较适宜"
,
<!-- 旅游 -->
"index_tr"
:
"适宜"
,
<!-- 舒适指数 -->
"index_co"
:
"舒适"
,
"st1"
:
"26"
,
"st2"
:
"18"
,
"st3"
:
"25"
,
"st4"
:
"18"
,
"st5"
:
"26"
,
"st6"
:
"9"
,
<!-- 晨练 -->
"index_cl"
:
"较适宜"
,
<!-- 晾晒 -->
"index_ls"
:
"不太适宜"
,
<!-- 过敏 -->
"index_ag"
:
"极不易发"
}
}
返回的是json格式的数据,至少返回的数据是什么意思,我也已注明。
在根目录下建立一个weather_code.php文件,里面主要是存储各城市的城市名和对应的城市代码,是一个数组,下面只显示部分数据:
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<!--?php
$weather_code
=
array
(
'北京'
=--> 101010100,
'重庆'
=> 101040100,
'上海'
=> 101020100,
'天津'
=> 101030100,
'澳门'
=> 101330101,
'香港'
=> 101320101,
'合肥'
=> 101220101,
'蚌埠'
=> 101220201,
'芜湖'
=> 101220301,
'淮南'
=> 101220401,
'马鞍山'
=> 101220501,
'安庆'
=> 101220601,
'宿州'
=> 101220701
);
在index.php文件里,新建一个获取天气信息的方法,如下:
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/**
* getWeather
* @param $keyword
* @return unknown
*/
function
getWeather(
$keyword
) {
include
'weather_code.php'
;
$code
=
$weather_code
[
$keyword
];
$url
=
"http://m.weather.com.cn/data/"
.
$code
.
".html"
;
$file
=
file_get_contents
(
$url
);
$obj
=json_decode(
$file
);
$weatherinfo
=
$obj
-> weatherinfo;
$city
=
$weatherinfo
-> city;
$temp1
=
$weatherinfo
->temp1;
$temp2
=
$weatherinfo
->temp2;
$temp3
=
$weatherinfo
->temp3;
$img1
=
$weatherinfo
->img1;
$img2
=
$weatherinfo
->img3;
$img3
=
$weatherinfo
->img5;
$weather1
=
$weatherinfo
->weather1;
$weather2
=
$weatherinfo
->weather2;
$weather3
=
$weatherinfo
->weather3;
$wind1
=
$weatherinfo
->wind1;
$wind2
=
$weatherinfo
->wind2;
$wind3
=
$weatherinfo
->wind3;
$index
=
$weatherinfo
->index;
$index_d
=
$weatherinfo
->index_d;
$date_y
=
$weatherinfo
->date_y;
$week
=
$weatherinfo
->week;
$array
=
array
(
array
(
"title"
=>
$city
.
" "
.
$week
.
" "
.
$temp1
.
" "
.
$weather1
,
"des"
=>
"testdes"
,
"pic"
=>
"http://api.itcreating.com/weather/image.jpg"
),
array
(
"title"
=>
$index_d
,
"des"
=>
"testdes"
),
array
(
"title"
=>
date
(
"Y年m月d日"
).
" "
.
$temp1
.
" "
.
$weather1
.
" "
.
$wind1
,
"des"
=>
"testdes"
,
"pic"
=>
"http://api.itcreating.com/weather/images/"
.
$img1
.
".png"
),
array
(
"title"
=>
date
(
"Y年m月d日"
,
strtotime
(
"+1 day"
)).
" "
.
$temp2
.
" "
.
$weather2
.
" "
.
$wind2
,
"des"
=>
"testdes"
,
"pic"
=>
"http://api.itcreating.com/weather/images/"
.
$img2
.
".png"
),
array
(
"title"
=>
date
(
"Y年m月d日"
,
strtotime
(
"+2 day"
)).
" "
.
$temp3
.
" "
.
$weather3
.
" "
.
$wind3
,
"des"
=>
"testdes"
,
"pic"
=>
"http://api.itcreating.com/weather/images/"
.
$img3
.
".png"
),
);
return
$array
;
}
这方法很简单,通过传入城市名,然后获取该城市的城市代码,接着通过中国气象网api发送请求,再将中国气象网返回的数据通过PHP的JSON解析函数json_decode将JSON格式的数据解析为PHP的关联数组,最后将我们需要的信息取出来再封装成数组。
注释掉$wechatObj->responseMsg();
在$wechatObj->responseMsg()下面加入$wechatObj->responseImgMsg();并新建一个responseImgMsg方法,如下:
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public
function
responseImgMsg()
{
//get post data, May be due to the different environments
$postStr
=
$GLOBALS
[
"HTTP_RAW_POST_DATA"
];
//extract post data
if
(!
empty
(
$postStr
)){
$postObj
= simplexml_load_string(
$postStr
,
'SimpleXMLElement'
, LIBXML_NOCDATA);
$fromUsername
=
$postObj
->FromUserName;
$toUsername
=
$postObj
->ToUserName;
$keyword
= trim(
$postObj
->Content);
$time
= time();
$textHaderTpl
= "
<![CDATA[%s]]>
<![CDATA[%s]]>
%s
<![CDATA[news]]>
%d
";
$textContentTpl
= "
<![CDATA[%s]]>
<![CDATA[%s]]>
<![CDATA[%s]]>
<![CDATA[%s]]>
";
$textFooterTpl
= "
1
";
if
(!
empty
(
$keyword
))
{
$msgType
=
"news"
;
// 判断是否首次关注
if
(
$keyword
==
"Hello2BizUser"
) {
}
else
{
$array
= getWeather(
$keyword
);
$resultHaderStr
= sprintf(
$textHaderTpl
,
$fromUsername
,
$toUsername
,
$time
,
count
(
$array
));
foreach
(
$array
as
$key
=>
$value
) {
$resultContentStr
.= sprintf(
$textContentTpl
,
$value
[
'title'
],
$value
[
'des'
],
$value
[
'pic'
],
$value
[
'url'
]);
}
$resultFooterStr
= sprintf(
$textFooterTpl
);
echo
$resultStr
=
$resultHaderStr
,
$resultContentStr
,
$resultFooterStr
;
}
}
else
{
echo
"Input something..."
;
}
}
else
{
echo
""
;
exit
;
}
}
要返回图文消息的,就要使用数组这种方式将将消息输出。
源码已在github上托管,可以上去下载,地址:https://github.com/hxxy2003/Weather-weixin
欢迎关注天气宝宝和翻译宝宝:
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