解构

pages/im/components/connectionStatus.vue

@@ -0,0 +1,67 @@
+<template>
+        <u-alert type="warning" v-if="connection != 0" :description="description" show-icon />
+</template>
+
+<script>
+    export default {
+        props: {
+            connection: {
+                type: Number,
+                default: 0
+            }
+        },
+        computed: {
+            description() {
+                return this.connectionStatusMap.filter(item => item.index == this.connection)[0].text
+            }
+        },
+        data() {
+            return {
+                connectionStatusMap: [{
+                        index: -1,
+                        text: '网络不可用'
+                    },
+                    {
+                        index: 0,
+                        text: '连接成功'
+                    },
+                    {
+                        index: 1,
+                        text: '连接中'
+                    },
+                    {
+                        index: 2,
+                        text: '未连接'
+                    },
+                    {
+                        index: 3,
+                        text: '用户账号在其它设备登录'
+                    },
+                    {
+                        index: 4,
+                        text: 'TOKEN过期'
+                    },
+                    {
+                        index: 6,
+                        text: '用户被禁用'
+                    },
+                    {
+                        index: 12,
+                        text: '退出登录'
+                    },
+                    {
+                        index: 13,
+                        text: '连接暂时被挂起'
+                    },
+                    {
+                        index: 14,
+                        text: '连接超时'
+                    },
+                ],
+            }
+        }
+    }
+</script>
+
+<style>
+</style>