feat(weather): 更新天气数据获取方式并添加天气图标

将天气数据获取的 API 更改为 wttr.in，并更新天气信息的显示方式。
添加天气图标以增强用户界面体验。

js/vis/index.js

@@ -216,13 +216,15 @@
       $("#current_year_3").text(year);
       $("#current_year_3").text(year);
       $("#current_year_4").text(year);
       $("#current_year_4").text(year);
       $.ajax({
       $.ajax({
-        url: "http://wthrcdn.etouch.cn/weather_mini?city=深圳",
+        url: "https://wttr.in/深圳?format=j1",
         dataType: 'json',
         dataType: 'json',
         type: "get",
         type: "get",
         success: function (res) {
         success: function (res) {
-          $("#wendu").text(res.data.wendu + "℃");
+          var condition = res.current_condition[0];
+          $("#wendu").text(condition.temp_C + "℃");
+          var iconUrl = condition.weatherIconUrl[0].value;
+          $("#weatherIcon").attr("src", iconUrl).css("display", "inline-block");
         }
         }
-
       })
       })
       setInterval(function () {
       setInterval(function () {
         var myDate = new Date;
         var myDate = new Date;

vis.html

@@ -32,6 +32,7 @@
                 <span>北京时间&nbsp;&nbsp;</span>
                 <span>北京时间&nbsp;&nbsp;</span>
                 <span class="color" id="time">00:00:00</span>
                 <span class="color" id="time">00:00:00</span>
                 <span class="ml">深圳&nbsp;&nbsp;</span>
                 <span class="ml">深圳&nbsp;&nbsp;</span>
+                <img id="weatherIcon" src="" alt="" style="width:20px;height:20px;vertical-align:middle;margin-right:4px;display:none;" />
                 <span class="color" id="wendu"></span>
                 <span class="color" id="wendu"></span>
             </p>
             </p>
             <span class="title"></span>
             <span class="title"></span>