添加对中国天气网全国气象预警的支持 (#527)

README.md

@@ -254,6 +254,8 @@ RSSHub 是一个轻量、易于扩展的 RSS 生成器，可以给任何奇奇
     -   笔趣阁
     -   UU 看书
     -   文学迷
+-   中国天气网
+    -   全国气象预警
 -   Gitlab
     -   Explore
 

docs/README.md

@@ -2078,6 +2078,16 @@ type，必选，目前支持两种，`hot` 代表热门游记，`latest` 代表
 
 举例网址：https://www.wenxuemi.com/files/article/html/6/6144/
 
+### 中国气象网 <Author uid="ylc395"/>
+
+#### 全国气象预警
+
+举例: <(https://rsshub.app/weatherAlarm>
+
+路由: `/weatherAlarm`
+
+参数: 无（提示: 可以使用全局过滤参数订阅您感兴趣的地区的信息）
+
 ## Gitlab
 
 ### Explore <Author uid="imlonghao"/>

router.js

@@ -454,6 +454,9 @@ router.get('/novel/biquge/:id', require('./routes/novel/biquge'));
 router.get('/novel/uukanshu/:uid', require('./routes/novel/uukanshu'));
 router.get('/novel/wenxuemi/:id1/:id2', require('./routes/novel/wenxuemi'));
 
+// 中国气象网
+router.get('/weatherAlarm', require('./routes/weatherAlarm'));
+
 // Gitlab
 router.get('/gitlab/explore/:type', require('./routes/gitlab/explore'));
 

routes/earthquake/index.js

@@ -64,7 +64,6 @@ module.exports = async (ctx) => {
                 .text()
                 .trim()
                 .substring(5);
-            console.log($container.html());
 
             return {
                 title: $el.find('a').text(),

routes/weatherAlarm/gradeMapping.json

@@ -0,0 +1,7 @@
+{
+    "01": "蓝色",
+    "02": "黄色",
+    "03": "橙色",
+    "04": "红色",
+    "05": "白色"
+}

routes/weatherAlarm/index.js

@@ -0,0 +1,36 @@
+const axios = require('../../utils/axios');
+const DateTime = require('luxon').DateTime;
+
+// 映射信息复制自网页的JS代码 http://i.tq121.com.cn/j/data_alarm.js
+const gradeMap = require('./gradeMapping.json');
+const typeMap = require('./typeMapping.json');
+
+module.exports = async (ctx) => {
+    const alarmInfoURL = `http://product.weather.com.cn/alarm/grepalarm_cn.php?_=${Date.now()}`;
+    const jsonString = (await axios.get(alarmInfoURL)).data.slice(14, -1);
+    const alaramData = JSON.parse(jsonString).data
+                        .map((pair) => {
+                            const location = pair[0];
+                            const list = pair[1].slice(0, -5).split('-');
+                            const date = DateTime.fromFormat(list[1], 'yyyyMMddhhmmss');
+                            const gradeCode = list[2].slice(2);
+                            const typeCode = list[2].slice(0, 2);
+                            return {
+                                location,
+                                date,
+                                grade: gradeMap[gradeCode],
+                                type: typeMap[typeCode],
+                                link: `http://www.weather.com.cn/alarm/newalarmcontent.shtml?file=${pair[1]}`,
+                            };
+                        })
+                        .slice(0, 30) // 取最新的30条数据
+    ctx.state.data = {
+        title: '中国天气网气象预警',
+        link: 'http://www.weather.com.cn/alarm/',
+        item: alaramData.map(item => ({
+            title: `${item.location}${item.date.toFormat('M月dd日HH时mm分')}发布${item.grade}${item.type}预警`,
+            link: item.link,
+            pubDate: item.date.toRFC2822(),
+        })),
+    };
+};

routes/weatherAlarm/typeMapping.json

@@ -0,0 +1,47 @@
+{
+    "01": "台风",
+    "02": "暴雨",
+    "03": "暴雪",
+    "04": "寒潮",
+    "05": "大风",
+    "06": "沙尘暴",
+    "07": "高温",
+    "08": "干旱",
+    "09": "雷电",
+    "10": "冰雹",
+    "11": "霜冻",
+    "12": "大雾",
+    "13": "霾",
+    "14": "道路结冰",
+    "91": "寒冷",
+    "92": "灰霾",
+    "93": "雷雨大风",
+    "94": "森林火险",
+    "95": "降温",
+    "96": "道路冰雪",
+    "97": "干热风",
+    "98": "空气重污染",
+    "99": "低温",
+    "51": "海上大雾",
+    "52": "雷暴大风",
+    "53": "持续低温",
+    "54": "浓浮尘",
+    "55": "龙卷风",
+    "56": "低温冻害",
+    "57": "海上大风",
+    "58": "低温雨雪冰冻",
+    "59": "强对流",
+    "60": "臭氧",
+    "61": "大雪",
+    "62": "强降雨",
+    "63": "强降温",
+    "64": "雪灾",
+    "65": "森林（草原）火险",
+    "66": "雷暴",
+    "67": "严寒",
+    "68": "沙尘",
+    "69": "海上雷雨大风",
+    "70": "海上雷电",
+    "71": "海上台风",
+    "72": "低温"
+}