微信小程序开发交流qq群 173683895
承接微信小程序开发。扫码加微信。
正文：
js
var app = getApp();var socketOpen = false;var frameBuffer_Data, session, SocketTask;var url = 'ws://请填写您的长链接接口地址';var upload_url ='请填写您的图片上传接口地址'Page({ data: { user_input_text: '',//用户输入文字 inputValue: '', returnValue: '', addImg: false, //格式示例数据，可为空 allContentList: [], num: 0 }, // 页面加载 onLoad: function () { this.bottom(); }, onShow: function (e) { if (!socketOpen) { this.webSocket() } }, // 页面加载完成 onReady: function () { var that = this; SocketTask.onOpen(res => { socketOpen = true; console.log('监听 WebSocket 连接打开事件。', res) }) SocketTask.onClose(onClose => { console.log('监听 WebSocket 连接关闭事件。', onClose) socketOpen = false; this.webSocket() }) SocketTask.onError(onError => { console.log('监听 WebSocket 错误。错误信息', onError) socketOpen = false }) SocketTask.onMessage(onMessage => { console.log('监听WebSocket接受到服务器的消息事件。服务器返回的消息', JSON.parse(onMessage.data)) var onMessage_data = JSON.parse(onMessage.data) if (onMessage_data.cmd == 1) { that.setData({ link_list: text }) console.log(text, text instanceof Array) // 是否为数组 if (text instanceof Array) { for (var i = 0; i < text.length; i++) { text[i] } } else { } that.data.allContentList.push({ is_ai: true, text: onMessage_data.body }); that.setData({ allContentList: that.data.allContentList }) that.bottom() } }) }, webSocket: function () { // 创建Socket SocketTask = wx.connectSocket({ url: url, data: 'data', header: { 'content-type': 'application/json' }, method: 'post', success: function (res) { console.log('WebSocket连接创建', res) }, fail: function (err) { wx.showToast({ title: '网络异常！', }) console.log(err) }, }) }, // 提交文字 submitTo: function (e) { let that = this; var data = { body: that.data.inputValue, } if (socketOpen) { // 如果打开了socket就发送数据给服务器 sendSocketMessage(data) this.data.allContentList.push({ is_my: { text: this.data.inputValue }}); this.setData({ allContentList: this.data.allContentList, inputValue: '' }) that.bottom() } }, bindKeyInput: function (e) { this.setData({ inputValue: e.detail.value }) }, onHide: function () { SocketTask.close(function (close) { console.log('关闭 WebSocket 连接。', close) }) }, upimg: function () { var that = this; wx.chooseImage({ sizeType: ['original', 'compressed'], success: function (res) { that.setData({ img: res.tempFilePaths }) wx.uploadFile({ url: upload_url, filePath: res.tempFilePaths, name: 'img', success: function (res) { console.log(res) wx.showToast({ title: '图片发送成功！', duration: 3000 }); } }) that.data.allContentList.push({ is_my: { img: res.tempFilePaths } }); that.setData({ allContentList: that.data.allContentList, }) that.bottom(); } }) }, addImg: function () { this.setData({ addImg: !this.data.addImg }) }, // 获取hei的id节点然后屏幕焦点调转到这个节点 bottom: function () { var that = this; this.setData({ scrollTop: 1000000 }) },})//通过 WebSocket 连接发送数据，需要先 wx.connectSocket，并在 wx.onSocketOpen 回调之后才能发送。function sendSocketMessage(msg) { var that = this; console.log('通过 WebSocket 连接发送数据', JSON.stringify(msg)) SocketTask.send({ data: JSON.stringify(msg) }, function (res) { console.log('已发送', res) })}
wxml
<view class='page_bg' wx:if='{{block}}' bindtap='hide_bg' /><view class='btn_bg' wx:if='{{block}}'> <view wx:for="{{link_list}}" wx:key='index'> <button class="sp_tit" id='{{index}}' bindtap='list_item'>查看详情 {{item}} </button> </view></view><scroll-view class="history" scroll-y="true" scroll-with-animation scroll-top="{{scrollTop}}"> <block wx:key="{{index}}" wx:for="{{allContentList}}"> <!-- <view> <text class='time'>{{time}}</text> </view> --> <view class='my_right' wx:if="{{item.is_my}}"> <view class='p_r' wx:if='{{item.is_my.text}}'> <text class='new_txt'><text class='new_txt_my'>{{item.is_my.text}}</text></text> <view class='sanjiao my'></view> <image class='new_img' src='/images/test.jpg'></image> </view> <view class='p_r' wx:if='{{item.is_my.img}}' bindtap='my_audio_click' data-id='{{index}}'> <text class='new_txt'> </text> <view class='my_img_bg'> <image class='my_audio' src='{{img}}'></image></view> <view class='sanjiao my'></view> <image class='new_img' src='/images/test.jpg'></image> </view> </view> <!-- <view class='you_left' id='id_{{allContentList.length}}'> --> <view class='you_left' id='id_{{allContentList.length}}' wx:key="{{index}}" wx:if="{{item.is_ai}}"> <view class='p_r'> <image class='new_img' src='/images/chac.jpg'></image> <view class='sanjiao you'></view> <view class='new_txt'> <view class='new_txt_ai'> <!-- {{item.text}} --> <block wx:for='{{item.is_two}}' wx:key='index'> <text wx:if='{{item.text}}'>{{item.text}}</text> <text wx:if='{{item.a.title}}' style='color:#0000EE' bindtap='link' id='{{item.a.link}}'>{{item.a.title}}</text> </block> </view> </view> </view> </view> </block></scroll-view><view class="sendmessage"> <image class='voice_icon' bindtap='addImg' src='/images/jia_img.png'></image> <block wx:if='{{!addImg}}'> <input type="text" bindinput="bindKeyInput" value='{{inputValue}}' focus='{{focus}}' bindfocus="focus" confirm-type="done" placeholder="" /> <button bindtap="submitTo" class='user_input_text'>发送</button> </block> <block wx:if='{{addImg}}'> <view class='voice_ing' bindtap="upimg">发送图片</view> </block></view>css
page { background-color: #f2f2f2; height: 100%;} .jia_img{ height: 80rpx; width: 90rpx; } .time { text-align: center; padding: 5rpx 20rpx 5rpx 20rpx; width: 200rpx; font-size: 26rpx; background-color: #E8E8E8; } .tab{ bottom: 120rpx;}.tab_1{ position: fixed; bottom: 50rpx; width: 200rpx; font-size: 26rpx; left: 50%; margin-left: -45rpx; height: 100rpx;}.tab_2{ right: 30rpx; position: fixed;}/* 聊天 */ .my_right { float: right; margin-top: 30rpx; position: relative; right: 40rpx; } .my_audio{ height: 120rpx; width: 150rpx; position: absolute; right: 150rpx; background: white; top: 20rpx;}.my_img_bg{ height: 150rpx; width: 400rpx; position: relative; right: 0; background: white; top: 20rpx;}.you_left { margin-top: 30rpx; float: left; position: relative; left: 5rpx; } .new_img { width: 100rpx; height: 100rpx; border-radius: 50%; } .new_txt { width: 420rpx; } .new_txt_my{ border-radius: 7px; background-color: #fff; margin-top: 10rpx; padding: 0rpx 30rpx 0rpx 30rpx; float: right;}.new_txt_ai{ border-radius: 7px; background-color: #fff; margin-top: 10rpx; padding: 0rpx 30rpx 0rpx 30rpx; float: left;}.sanjiao { top: 25rpx; position: relative; width: 0px; height: 0px; border-width: 15rpx; border-style: solid; } .my { border-color: transparent transparent transparent #fff; } .you { border-color: transparent #fff transparent transparent; } .sendmessage { width: 100%; z-index: 2; display: flex; position: fixed; bottom: 0px; background-color: #F4F4F6; flex-direction: row; height: 85rpx;} .voice_icon{ width: 60rpx; height: 60rpx; margin: 0 auto; padding: 10rpx 10rpx 10rpx 10rpx;}.voice_ing{ width: 90%; height: 75rpx; line-height: 85rpx; text-align: center; border-radius: 15rpx; border: 1px solid #d0d0d0;}.sendmessage_2 { z-index: 1; position: relative; width: 100%; display: flex; background-color: #F4F4F6; flex-direction: row; height: 85rpx;} .sendmessage input { width: 75%; height: 60rpx; background-color: white; line-height: 60rpx; font-size: 28rpx; border-radius: 10rpx; margin-top: 10rpx; margin-left: 20rpx; border: 1px solid #d0d0d0; padding-left: 20rpx; } .sendmessage button { border: 1px solid white; width: 18%; height: 65rpx; background: #00CC00; color: white; line-height: 65rpx; margin-top: 10rpx; font-size: 28rpx; } .hei{ height: 20rpx; } .history { height: 80%; padding: 20rpx 20rpx 20rpx 20rpx; font-size: 14px; line-height: 50rpx; word-break: break-all; } .icno_kf{ position: fixed; bottom: 160rpx; margin: 0 auto; text-align: center; left: 50%; margin-left: -40rpx; width: 100rpx; height: 100rpx; border-radius: 50%}
