ZhHealth/pages/im/group/chat.nvue

<template>
    <view class="group--chat">
        <list class="body" :show-scrollbar="false">
            <cell class="cell" v-for="(item, index) in messages" :key="index">
                <view class="cell-item" :class="item.messageDirection == 1 ? 'right' : 'left'">
                    <u-avatar class="avatar" size="36" text="Ad" />
                    <view class="msg">
                        <show-voice v-if="item.objectName === 'RC:HQVCMsg'" :guest="item.messageDirection == 1"
                            :msg="item.content" :name="item.content.userInfo.name" />
                        <show-image v-if="item.objectName === 'RC:ImgMsg'" :guest="item.messageDirection == 1"
                            :msg="item.content" :name="item.content.userInfo.name" />
                        <show-text v-if="item.objectName === 'RC:TxtMsg'" :guest="item.messageDirection == 1"
                            :msg="item.content" :name="item.content.userInfo.name" />
                    </view>
                </view>
            </cell>
            <cell class="cell-footer" ref="chatBottom"></cell>
        </list>
        <sent-message-bar :conversationType="conversationType" :targetId="targetId" @onSuccess="getMessageList()" />
    </view>
</template>

<script>
    import {
        timeCustomCN
    } from '@/utils/filters.js'
    import * as RongIMLib from '@/uni_modules/RongCloud-IMWrapper/js_sdk/index'
    import im from '@/utils/im/index.js'
    import showVoice from '../components/showVoice'
    import showImage from '../components/showImage'
    import showText from '../components/showText'
    import sentMessageBar from '../components/sentMessageBar'

    const ChatList = uni.requireNativePlugin('dom')

    export default {
        components: {
            showVoice,
            showImage,
            showText,
            sentMessageBar
        },
        data() {
            return {
                targetId: '',
                conversationType: 3,
                messages: []
            }
        },
        onLoad(e) {
            this.targetId = e.targetId
            this.getMessageList()
            uni.$on('onReceiveGroupMessage', (msg) => {
                if (msg.targetId == this.targetId) {
                    this.getMessageList()
                }
            })
        },
        onBackPress() {
            uni.$off('onReceiveGroupMessage')
        },
        methods: {
            // 获取消息列表
            getMessageList() {
                im.getMessageList(
                    this.conversationType,
                    this.targetId,
                    new Date().getTime(),
                    20,
                    true,
                    (messages) => {
                        this.messages = messages.reverse()
                        this.scrollBottom()
                    })
            },
            // 滚动到底部
            scrollBottom(type) {
                // 清理当前会话，未读消息数量
                RongIMLib.clearMessagesUnreadStatus(this.conversationType, this.targetId, new Date().getTime() + 1100)
                // 发送消息已读状态给对方
                RongIMLib.sendReadReceiptMessage(this.conversationType, this.targetId, new Date().getTime())
                // 更新badge提醒数量
                im.setNotifyBadge()
                
                setTimeout(() => {
                    let el = this.$refs.chatBottom
                    ChatList.scrollToElement(el, {
                        offset: 0,
                        animated: false
                    })
                }, 50)
            }
        }
    }
</script>

<style lang="scss" scoped>
    .group--chat {
        background: $window-color;
        flex: 1;

        .body {
            flex: 1;

            .cell {
                padding: 10rpx 30rpx;

                .cell-item {
                    width: 690rpx;
                    justify-content: flex-start;


                    &.left {
                        flex-direction: row;
                    }

                    &.right {
                        flex-direction: row-reverse;

                        .state {
                            flex-direction: row;
                            justify-content: flex-end;
                        }
                    }

                    .avatar {
                        width: 78rpx;
                        height: 78rpx;
                        background-color: white;
                        border-radius: 10rpx;
                    }

                    .msg {
                        margin: 0 20rpx;

                        .user {
                            font-size: 18rpx;
                            line-height: 40rpx;
                        }
                    }
                }

                .cell-footer {
                    height: 20rpx;
                }
            }
        }

        .footer {
            background: white;
            padding: 20rpx 30rpx;
            display: flex;
            justify-content: space-between;
            flex-direction: row;

            .msg-type {
                width: 70rpx;
                height: 70rpx;

                .icon {
                    margin: 5rpx;
                    width: 60rpx;
                    height: 60rpx;
                }
            }
        }
    }
</style>