设置点击版本，没有关闭按钮

src/pages/site/site.vue

@@ -197,6 +197,9 @@
           <view v-if="!forceUpdate" class="ad-btn" @click="closeAd">
             <view>{{ $lang.lang.notices.close }}</view>
           </view>
+          <view class="ad-btn" v-if="forceUpdate" @click="toCloseApp">
+            <view>{{ $lang.lang.notices.closeApp }}</view>
+          </view>
         </view>
         <view class="progress" v-if="showdownLine">
           <progress :percent="downloadNum" show-info stroke-width="3" />
@@ -287,6 +290,15 @@ export default {
     }, 500)
   },
   methods: {
+    toCloseApp() {
+      let platform = uni.getSystemInfoSync().platform.toLocaleLowerCase()
+      if (platform == 'ios') {
+        //ios使用原来的quit()方法失效
+        plus.ios.import("UIApplication").sharedApplication().performSelector("exit")
+      }else {
+        plus.runtime.quit();
+      }
+    },
     showLangView() {
       const lang=uni.getStorageSync('locale')||'zh';
       this.index=this.languages.findIndex(item => item.value === lang);