删除公告，消息撤回优化

pages/im/components/showMessageCell.vue

@@ -2,7 +2,8 @@
     <view class="">
         <view class="notify" v-if="message.objectName === 'RC:GrpNtf'">
             {{ message.content.message }}
-            <text class="link" @click="toAnnounce(message)" v-if="message.content.operation == 'ANNOUNCEMENT'">点击查看 </text>
+            <text class="link" @click="toAnnounce(message)" v-if="message.content.operation == 'ANNOUNCEMENT'">点击查看
+            </text>
         </view>
         <view class="notify" v-else-if="message.objectName === 'RC:RcNtf'">
             {{ contact(message.senderUserId).name }} 撤回了一条消息
@@ -25,6 +26,9 @@
 </template>
 
 <script>
+    import {
+        getGroupAnnouncement
+    } from '@/apis/interfaces/im.js'
     import * as IMLib from '@/uni_modules/RongCloud-IMWrapper/js_sdk/index'
     import showVoice from './show/showVoice'
     import showImage from './show/showImage'
@@ -68,17 +72,25 @@
                 }
             },
             // 跳转群公告
-<<<<<<< HEAD
             toAnnounce(message) {
-                if (message.content.extra) {
-                    uni.navigateTo({
-                        url: '/pages/im/group/announceCreate?type=cheack&targetId=' + message.targetId + '&aId=' + message.content.extra
-=======
-            toAnnounce(targetId) {
-                if (targetId) {
-                    uni.navigateTo({
-                        url: '/pages/im/group/announceCreate?type=check&targetId=' + this.message.targetId + '&aId=' + targetId
->>>>>>> 32e3e0ef3040a5320c18aa4803fc5bf1476deb06
+                if (message.content.extra) {
+                    getGroupAnnouncement(message.targetId, message.content.extra).then(res => {
+                        uni.navigateTo({
+                            url: '/pages/im/group/announceCreate?type=check&targetId=' + message
+                                .targetId + '&aId=' + message.content.extra
+                        })
+                    }).catch(err => {
+                        IMLib.deleteMessagesByIds([message.messageId], ({
+                            code
+                        }) => {
+                            if (code === 0) {
+                                uni.$emit('remove_message_' + message.targetId, message.messageId)
+                            }
+                        })
+                        uni.showToast({
+                            title: '公告不存在或已删除',
+                            icon: 'none',
+                        })
                     })
                 } else {
                     uni.showToast({