新增例子&图片更新

doc/asset/css/echartsHome.css

@@ -420,4 +420,7 @@ table.full {width:100%;}
 }
 .ec-icon-topic {
     background-position: 0 -376px;
+}
+.ec-icon-eventRiver {
+    background-position: 0 -401px;
 }
\ No newline at end of file

doc/example/mix11.html

@@ -188,6 +188,8 @@ option = {
                 <div id="main" class="main"></div>
                 <div>
                     <button type="button" class="btn btn-sm btn-success" onclick="refresh(true)">刷 新</button>
+                    <span class="text-primary">切换主题</span>
+                    <select id="theme-select"></select>
 
                     <span id='wrong-message' style="color:red"></span>
                 </div>

doc/example/mix9.html

@@ -163,6 +163,8 @@ setTimeout(function (){
                 <div id="main2" class="main" style='width:50%;margin-left:0;padding-left:0;border-left-width:0'></div>
                 <div>
                     <button type="button" class="btn btn-sm btn-success" onclick="refresh(true)">刷 新</button>
+                    <span class="text-primary">切换主题</span>
+                    <select id="theme-select"></select>
 
                     <span id='wrong-message' style="color:red"></span>
                 </div>