这期内容当中小编将会给大家带来有关如何在微信小程序中实现聊天对话功能，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。
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to_news.wxml
{{tabdata.title}}
{{tabdata.attribute_attribute}}
{{tabdata.num}}
发布时间: {{tabdata.time_agree}}
您正在与{{tabdata.nickname}}进行沟通
{{item.time}}
{{item.content}}
{{item.content}}
发送
to_news.js
// pages/index/to_news/to_news.js
var app = getApp();
var util = require("../../../utils/util.js")
var message = '';
var text = '';
var user = {};
var length;
var zx_info_id;
var openid_talk;
Page({
data: {
news: '',
scrollTop: 0,
message: '',
text: text,
centendata: '',
nickName: '',
avatarUrl: '',
news_input_val:'',
tabdata: ''
},
bindChange: function (e) {
message = e.detail.value
},
//事件处理函数
add: function (e) {
var that = this
var data = {
program_id: app.jtappid,
openid: app._openid,
zx_info_id: zx_info_id,
content: message,
openid_talk:openid_talk
}
util.request('pg.php/ZXinfo/session_submit', 'post', data, '正在加载数据', function (res) {
if (res.data.state == 1) {
var a = true;
that.loaddata(a);
that.setData({
news_input_val:''
})
message = ''
} else {
wx.showToast({
title: '网络错误,请稍后',
})
}
})
},
onLoad: function (options) {
openid_talk = options.openid_talk;
zx_info_id = options.zx_info_id;
console.log(openid_talk)
//调用应用实例的方法获取全局数据
this.setData({
zx_info_id: zx_info_id,
nickName: app.nickName,
avatarUrl: app.avatarUrl,
});
this.loaddata()
},
// 页面加载
loaddata: function (a) {
var that = this;
var is_img = true;
var data = {
program_id: app.jtappid,
openid: app._openid,
zx_info_id: zx_info_id,
openid_talk: openid_talk
}
util.request('pg.php/ZXinfo/session_page', 'post', data, '', function (res) {
if (res.data.k1) {
res.data.k1.time_agree = util.js_date_time(res.data.k1.time_agree)
}
for (var i = 0; i < res.data.k2.length; i++) {
res.data.k2[i].time = util.js_date_time(res.data.k2[i].time)
var n = res.data.k2[i].content.charAt(res.data.k2[i].content.length - 1);
switch (n) {
case 'g':
res.data.k2[i].is_img = is_img
break;
default:
}
}
that.setData({
tabdata: res.data.k1,
centendata: res.data.k2.reverse()
})
wx.setNavigationBarTitle({ title: that.data.tabdata.nickname });
if (a) {
setTimeout(function () {
that.bottom()
}, 500);
}
})
setTimeout(function () {
if (that.data.centendata.length != length) {
length = that.data.centendata.length
}
that.loaddata()
}, 3000);
},
// 获取hei的id节点然后屏幕焦点调转到这个节点
bottom: function () {
var query = wx.createSelectorQuery()
query.select('#hei').boundingClientRect()
query.selectViewport().scrollOffset()
query.exec(function (res) {
wx.pageScrollTo({
scrollTop: res[0].bottom // #the-id节点的下边界坐标
})
res[1].scrollTop // 显示区域的竖直滚动位置
})
},
// 选择图片并把图片保存
upimg1: function () {
var that = this;
wx.chooseImage({
success: function (res) {
var data = {
program_id: app.jtappid,
openid: app._openid,
zx_info_id: zx_info_id,
}
var tempFilePaths = res.tempFilePaths
wx.uploadFile({
url: 'pg.php/ZXinfo/session_submit', //提交信息至后台
filePath: tempFilePaths[0],
name: 'content', //文件对应的参数名字(key)
formData: data, //其它的表单信息
success: function (res) {
var a = true;
that.loaddata(a);
message = ''
}
})
}
})
}
})to_news.wxss
/* pages/index/to_news/to_news.wxss */
page {
background-color: #f7f7f7;
}
.tab {
padding: 20rpx 20rpx 40rpx 50rpx;
height: 20%;
background-color: white;
}
.tab .tent {
font-size: 33rpx;
margin-bottom: 30rpx;
}
.jia_img{
height: 80rpx;
width: 90rpx;
}
.new_imgtent{
height: 180rpx;
width: 190rpx;
}
.tab .fabu {
font-size: 33rpx;
margin-top: 30rpx;
margin-bottom: 30rpx;
}
.xiahuaxia {
width: 80%;
text-align: center;
margin: 0 auto;
position: relative;
top: 60rpx;
}
.time {
text-align: center;
padding: 5rpx 20rpx 5rpx 20rpx;
width: 200rpx;
font-size: 26rpx;
background-color: #E8E8E8;
}
.new_top_txt {
width: 50%;
position: relative;
top: 38rpx;
text-align: center;
margin: 0 auto;
font-size: 30rpx;
color: #787878;
background-color: #f7f7f7;
}
/* 聊天内容 */
.news {
margin-top: 30rpx;
text-align: center;
margin-bottom: 150rpx;
}
.img_null {
height: 60rpx;
}
.l {
height: 5rpx;
width: 20%;
margin-top: 30rpx;
color: #000;
}
/* 聊天 */
.my_right {
float: right;
position: relative;
right: 40rpx;
}
.you_left {
float: left;
position: relative;
left: 5rpx;
}
.new_img {
width: 100rpx;
height: 100rpx;
border-radius: 50%;
}
.new_txt {
width: 380rpx;
border-radius: 7px;
background-color: #95d4ff;
padding: 0rpx 30rpx 0rpx 30rpx;
}
.sanjiao {
top: 20rpx;
position: relative;
width: 0px;
height: 0px;
border-width: 10px;
border-style: solid;
}
.my {
border-color: transparent transparent transparent #95d4ff;
}
.you {
border-color: transparent #95d4ff transparent transparent;
}
.sendmessage {
background-color: white;
width: 100%;
position: fixed;
bottom: 0rpx;
display: flex;
flex-direction: row;
}
.sendmessage input {
width: 80%;
height: 40px;
background-color: white;
line-height: 40px;
font-size: 14px;
border: 1px solid #d0d0d0;
padding-left: 10px;
}
.sendmessage button {
border: 1px solid white;
width: 18%;
height: 40px;
background: #fff;
color: #000;
line-height: 40px;
font-size: 14px;
}
.historycon {
height: 90%;
width: 100%;
flex-direction: column;
display: flex;
margin-top: 100rpx;
border-top: 0px;
}
.hei{
margin-top: 50px;
height: 20rpx;
}
.history {
height: 100%;
margin-top: 15px;
margin: 10px;
font-size: 14px;
line-height: 40px;
word-break: break-all;
}上述就是小编为大家分享的如何在微信小程序中实现聊天对话功能了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注创新互联行业资讯频道。
当前题目：如何在微信小程序中实现聊天对话功能
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