Layui中基本元素和组件(文件上传，即时通讯等)总结
作者：互联网
总览
这里只举几个例子，更多案例请去Layui官网查看！
文件上传
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Layui</title>
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<link rel="stylesheet" href="css/layui.css" media="all">
</head>
<body>
<blockquote class="layui-elem-quote">为节省服务器开销，以下示例均未配置真实上传接口，所以每次上传都会报提示：请求上传接口出现异常，这属于正常现象。</blockquote>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>常规使用：普通图片上传</legend>
</fieldset>
<div class="layui-upload">
<button type="button" class="layui-btn" id="test1">上传图片</button>
<div class="layui-upload-list">
<img class="layui-upload-img" id="demo1">
<p id="demoText"></p>
</div>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>上传多张图片</legend>
</fieldset>
<div class="layui-upload">
<button type="button" class="layui-btn" id="test2">多图片上传</button>
<blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
预览图：
<div class="layui-upload-list" id="demo2"></div>
</blockquote>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>指定允许上传的文件类型</legend>
</fieldset>
<button type="button" class="layui-btn" id="test3"><i class="layui-icon"></i>上传文件</button>
<button type="button" class="layui-btn layui-btn-primary" id="test4"><i class="layui-icon"></i>只允许压缩文件</button>
<button type="button" class="layui-btn" id="test5"><i class="layui-icon"></i>上传视频</button>
<button type="button" class="layui-btn" id="test6"><i class="layui-icon"></i>上传音频</button>
<div style="margin-top: 10px;">
<!-- 示例-970 -->
<ins class="adsbygoogle" style="display:inline-block;width:970px;height:90px" data-ad-client="ca-pub-6111334333458862" data-ad-slot="3820120620"></ins>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>设定文件大小限制</legend>
</fieldset>
<button type="button" class="layui-btn layui-btn-danger" id="test7"><i class="layui-icon"></i>上传图片</button>
<div class="layui-inline layui-word-aux">
这里以限制 60KB 为例
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>同时绑定多个元素，并将属性设定在元素上</legend>
</fieldset>
<button class="layui-btn demoMore" lay-data="{url: '/a/'}">上传A</button>
<button class="layui-btn demoMore" lay-data="{url: '/b/', size:5}">上传B</button>
<button class="layui-btn demoMore" lay-data="{url: '/c/', accept: 'file',size:10}">上传C</button>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>选完文件后不自动上传</legend>
</fieldset>
<div class="layui-upload">
<button type="button" class="layui-btn layui-btn-normal" id="test8">选择文件</button>
<button type="button" class="layui-btn" id="test9">开始上传</button>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>拖拽上传</legend>
</fieldset>
<div class="layui-upload-drag" id="test10">
<i class="layui-icon"></i>
<p>点击上传，或将文件拖拽到此处</p>
<div class="layui-hide" id="uploadDemoView">
<hr>
<img src="" alt="上传成功后渲染" style="max-width: 196px">
</div>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>高级应用：制作一个多文件列表</legend>
</fieldset>
<div class="layui-upload">
<button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
<div class="layui-upload-list">
<table class="layui-table">
<thead>
<tr><th>文件名</th>
<th>大小</th>
<th>状态</th>
<th>操作</th>
</tr></thead>
<tbody id="demoList"></tbody>
</table>
</div>
<button type="button" class="layui-btn" id="testListAction">开始上传</button>
</div>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
<legend>绑定原始文件域</legend>
</fieldset>
<input type="file" name="file" id="test20">
<script src="//res.layui.com/layui/dist/layui.js" charset="utf-8"></script>
<!-- 注意：如果你直接复制所有代码到本地，上述js路径需要改成你本地的 -->
<script>
layui.use('upload', function(){
var $ = layui.jquery
,upload = layui.upload;
//普通图片上传
var uploadInst = upload.render({
elem: '#test1'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,before: function(obj){
//预读本地文件示例，不支持ie8
obj.preview(function(index, file, result){
$('#demo1').attr('src', result); //图片链接（base64）
});
}
,done: function(res){
//如果上传失败
if(res.code > 0){
return layer.msg('上传失败');
}
//上传成功
}
,error: function(){
//演示失败状态，并实现重传
var demoText = $('#demoText');
demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-xs demo-reload">重试</a>');
demoText.find('.demo-reload').on('click', function(){
uploadInst.upload();
});
}
});
//多图片上传
upload.render({
elem: '#test2'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,multiple: true
,before: function(obj){
//预读本地文件示例，不支持ie8
obj.preview(function(index, file, result){
$('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">')
});
}
,done: function(res){
//上传完毕
}
});
//指定允许上传的文件类型
upload.render({
elem: '#test3'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,accept: 'file' //普通文件
,done: function(res){
layer.msg('上传成功');
console.log(res);
}
});
upload.render({ //允许上传的文件后缀
elem: '#test4'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,accept: 'file' //普通文件
,exts: 'zip|rar|7z' //只允许上传压缩文件
,done: function(res){
layer.msg('上传成功');
console.log(res)
}
});
upload.render({
elem: '#test5'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,accept: 'video' //视频
,done: function(res){
layer.msg('上传成功');
console.log(res)
}
});
upload.render({
elem: '#test6'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,accept: 'audio' //音频
,done: function(res){
layer.msg('上传成功');
console.log(res)
}
});
//设定文件大小限制
upload.render({
elem: '#test7'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,size: 60 //限制文件大小，单位 KB
,done: function(res){
layer.msg('上传成功');
console.log(res)
}
});
//同时绑定多个元素，并将属性设定在元素上
upload.render({
elem: '.demoMore'
,before: function(){
layer.tips('接口地址：'+ this.url, this.item, {tips: 1});
}
,done: function(res, index, upload){
var item = this.item;
console.log(item); //获取当前触发上传的元素，layui 2.1.0 新增
}
})
//选完文件后不自动上传
upload.render({
elem: '#test8'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,auto: false
//,multiple: true
,bindAction: '#test9'
,done: function(res){
layer.msg('上传成功');
console.log(res)
}
});
//拖拽上传
upload.render({
elem: '#test10'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,done: function(res){
layer.msg('上传成功');
layui.$('#uploadDemoView').removeClass('layui-hide').find('img').attr('src', res.files.file);
console.log(res)
}
});
//多文件列表示例
var demoListView = $('#demoList')
,uploadListIns = upload.render({
elem: '#testList'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,accept: 'file'
,multiple: true
,auto: false
,bindAction: '#testListAction'
,choose: function(obj){
var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
//读取本地文件
obj.preview(function(index, file, result){
var tr = $(['<tr id="upload-'+ index +'">'
,'<td>'+ file.name +'</td>'
,'<td>'+ (file.size/1024).toFixed(1) +'kb</td>'
,'<td>等待上传</td>'
,'<td>'
,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
,'</td>'
,'</tr>'].join(''));
//单个重传
tr.find('.demo-reload').on('click', function(){
obj.upload(index, file);
});
//删除
tr.find('.demo-delete').on('click', function(){
delete files[index]; //删除对应的文件
tr.remove();
uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
});
demoListView.append(tr);
});
}
,done: function(res, index, upload){
if(res.files.file){ //上传成功
var tr = demoListView.find('tr#upload-'+ index)
,tds = tr.children();
tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
tds.eq(3).html(''); //清空操作
return delete this.files[index]; //删除文件队列已经上传成功的文件
}
this.error(index, upload);
}
,error: function(index, upload){
var tr = demoListView.find('tr#upload-'+ index)
,tds = tr.children();
tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
}
});
//绑定原始文件域
upload.render({
elem: '#test20'
,url: 'https://httpbin.org/post' //改成您自己的上传接口
,done: function(res){
layer.msg('上传成功');
console.log(res)
}
});
});
</script>
</body>
</html>
即时通讯
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Layui</title>
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<link rel="stylesheet" href="/css/layui.css" media="all">
</head>
<body>
<blockquote class="layui-elem-quote">
注意：LayIM 是基于 layui 的一款独立的付费组件，它是网页即时通讯 UI 解决方案，您购买授权后得到的是一套前端源代码，而服务端程序需自写。</blockquote>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 50px;">
<legend>面板外的操作示例</legend>
</fieldset>
<div class="site-demo-button">
<button class="layui-btn site-demo-layim" data-type="chat">自定义会话</button>
<button class="layui-btn site-demo-layim" data-type="message">接受好友的消息</button>
<button class="layui-btn site-demo-layim" data-type="messageAudio">接受音频消息</button>
<button class="layui-btn site-demo-layim" data-type="messageVideo">接受视频消息</button>
<button class="layui-btn site-demo-layim" data-type="messageTemp">接受临时会话消息</button>
<br>
<button class="layui-btn site-demo-layim" data-type="add">申请好友</button>
<button class="layui-btn site-demo-layim" data-type="addqun">申请加群</button>
<button class="layui-btn site-demo-layim" data-type="addFriend">同意好友</button>
<button class="layui-btn site-demo-layim" data-type="addGroup">增加群组到主面板</button>
<button class="layui-btn site-demo-layim" data-type="removeFriend">删除主面板好友</button>
<button class="layui-btn site-demo-layim" data-type="removeGroup">删除主面板群组</button>
<br>
<button class="layui-btn site-demo-layim" data-type="setGray">置灰离线好友</button>
<button class="layui-btn site-demo-layim" data-type="unGray">取消好友置灰</button>
<a href="http://layim.layui.com/kefu.html" class="layui-btn site-demo-layim" target="_blank">客服模式</a>
<button class="layui-btn site-demo-layim" style="background-color: #3FDD86" data-type="mobile">移动端版本演示</button>
</div>
<script src="layui.js" charset="utf-8"></script>
<script>
layui.use('layim', function(){
var layim = layui.layim;
//演示自动回复
var autoReplay = [
'您好，我现在有事不在，一会再和您联系。',
'你没发错吧？face[微笑] ',
'洗澡中，请勿打扰，偷窥请购票，个体四十，团体八折，订票电话：一般人我不告诉他！face[哈哈] ',
'你好，我是主人的美女秘书，有什么事就跟我说吧，等他回来我会转告他的。face[心] face[心] face[心] ',
'face[威武] face[威武] face[威武] face[威武] ',
'<（@￣︶￣@）>',
'你要和我说话？你真的要和我说话？你确定自己想说吗？你一定非说不可吗？那你说吧，这是自动回复。',
'face[黑线] 你慢慢说，别急……',
'(*^__^*) face[嘻嘻] ，是贤心吗？'
];
//基础配置
layim.config({
//初始化接口
init: {
url: '/layim/json/getList.json'
,data: {}
}
//查看群员接口
,members: {
url: '/layim/json/getMembers.json'
,data: {}
}
,uploadImage: {
url: '' //（返回的数据格式见下文）
,type: '' //默认post
}
,uploadFile: {
url: '' //（返回的数据格式见下文）
,type: '' //默认post
}
,isAudio: true //开启聊天工具栏音频
,isVideo: true //开启聊天工具栏视频
//扩展工具栏
,tool: [{
alias: 'code'
,title: '代码'
,icon: ''
}]
//,brief: true //是否简约模式（若开启则不显示主面板）
//,title: 'WebIM' //自定义主面板最小化时的标题
//,right: '100px' //主面板相对浏览器右侧距离
//,minRight: '90px' //聊天面板最小化时相对浏览器右侧距离
,initSkin: '3.jpg' //1-5 设置初始背景
//,skin: ['aaa.jpg'] //新增皮肤
//,isfriend: false //是否开启好友
//,isgroup: false //是否开启群组
//,min: true //是否始终最小化主面板，默认false
//,notice: true //是否开启桌面消息提醒，默认false
//,voice: false //声音提醒，默认开启，声音文件为：default.mp3
,msgbox: '/layim/demo/msgbox.html' //消息盒子页面地址，若不开启，剔除该项即可
,find: '/layim/demo/find.html' //发现页面地址，若不开启，剔除该项即可
,chatLog: '/layim/demo/chatlog.html' //聊天记录页面地址，若不开启，剔除该项即可
});
//监听在线状态的切换事件
layim.on('online', function(status){
layer.msg(status);
});
//监听签名修改
layim.on('sign', function(value){
layer.msg(value);
});
//监听自定义工具栏点击，以添加代码为例
layim.on('tool(code)', function(insert){
layer.prompt({
title: '插入代码 - 工具栏扩展示例'
,formType: 2
,shade: 0
}, function(text, index){
layer.close(index);
insert('[pre class=layui-code]' + text + '[/pre]'); //将内容插入到编辑器
});
});
//监听layim建立就绪
layim.on('ready', function(res){
//console.log(res.mine);
layim.msgbox(5); //模拟消息盒子有新消息，实际使用时，一般是动态获得
});
//监听发送消息
layim.on('sendMessage', function(data){
var To = data.to;
//console.log(data);
if(To.type === 'friend'){
layim.setChatStatus('<span style="color:#FF5722;">对方正在输入。。。</span>');
}
//演示自动回复
setTimeout(function(){
var obj = {};
if(To.type === 'group'){
obj = {
username: '模拟群员'+(Math.random()*100|0)
,avatar: layui.cache.dir + 'images/face/'+ (Math.random()*72|0) + '.gif'
,id: To.id
,type: To.type
,content: autoReplay[Math.random()*9|0]
}
} else {
obj = {
username: To.name
,avatar: To.avatar
,id: To.id
,type: To.type
,content: autoReplay[Math.random()*9|0]
}
layim.setChatStatus('<span style="color:#FF5722;">在线</span>');
}
layim.getMessage(obj);
}, 1000);
});
//监听查看群员
layim.on('members', function(data){
//console.log(data);
});
//监听聊天窗口的切换
layim.on('chatChange', function(res){
var type = res.data.type;
console.log(res.data.id)
if(type === 'friend'){
//模拟标注好友状态
//layim.setChatStatus('<span style="color:#FF5722;">在线</span>');
} else if(type === 'group'){
//模拟系统消息
layim.getMessage({
system: true
,id: res.data.id
,type: "group"
,content: '模拟群员'+(Math.random()*100|0) + '加入群聊'
});
}
});
//面板外的操作
var $ = layui.jquery, active = {
chat: function(){
//自定义会话
layim.chat({
name: '小闲'
,type: 'friend'
,avatar: '//tva3.sinaimg.cn/crop.0.0.180.180.180/7f5f6861jw1e8qgp5bmzyj2050050aa8.jpg'
,id: 1008612
});
layer.msg('也就是说，此人可以不在好友面板里');
}
,message: function(){
//制造好友消息
layim.getMessage({
username: "贤心"
,avatar: "//tp1.sinaimg.cn/1571889140/180/40030060651/1"
,id: "100001"
,type: "friend"
,content: "嗨，你好！欢迎体验LayIM。演示标记："+ new Date().getTime()
,timestamp: new Date().getTime()
});
}
,messageAudio: function(){
//接受音频消息
layim.getMessage({
username: "王小贤"
,avatar: "https://tvax3.sinaimg.cn/crop.0.0.996.996.180/006Ftl1oly8g8ckqshrgjj30ro0rojst.jpg?KID=imgbed,tva&Expires=1576236580&ssig=6IEtTJL5so"
,id: "76543"
,type: "friend"
,content: "audio[http://gddx.sc.chinaz.com/Files/DownLoad/sound1/201510/6473.mp3]"
,timestamp: new Date().getTime()
});
}
,messageVideo: function(){
//接受视频消息
layim.getMessage({
username: "王小贤"
,avatar: "https://tvax3.sinaimg.cn/crop.0.0.996.996.180/006Ftl1oly8g8ckqshrgjj30ro0rojst.jpg?KID=imgbed,tva&Expires=1576236580&ssig=6IEtTJL5s"
,id: "76543"
,type: "friend"
,content: "video[http://www.w3school.com.cn//i/movie.ogg]"
,timestamp: new Date().getTime()
});
}
,messageTemp: function(){
//接受临时会话消息
layim.getMessage({
username: "小酱"
,avatar: "//tva1.sinaimg.cn/crop.7.0.736.736.50/bd986d61jw8f5x8bqtp00j20ku0kgabx.jpg"
,id: "198909151014"
,type: "friend"
,content: "临时："+ new Date().getTime()
});
}
,add: function(){
//实际使用时数据由动态获得
layim.add({
type: 'friend'
,username: '马化腾'
,avatar: '//tva1.sinaimg.cn/crop.0.0.720.720.180/005JKVuPjw8ers4osyzhaj30k00k075e.jpg'
,submit: function(group, remark, index){
layer.msg('好友申请已发送，请等待对方确认', {
icon: 1
,shade: 0.5
}, function(){
layer.close(index);
});
//通知对方
/*
$.post('/im-applyFriend/', {
uid: info.uid
,from_group: group
,remark: remark
}, function(res){
if(res.status != 0){
return layer.msg(res.msg);
}
layer.msg('好友申请已发送，请等待对方确认', {
icon: 1
,shade: 0.5
}, function(){
layer.close(index);
});
});
*/
}
});
}
,addqun: function(){
layim.add({
type: 'group'
,username: 'LayIM会员群'
,avatar: '//tva2.sinaimg.cn/crop.0.0.180.180.50/6ddfa27bjw1e8qgp5bmzyj2050050aa8.jpg'
,submit: function(group, remark, index){
layer.msg('申请已发送，请等待管理员确认', {
icon: 1
,shade: 0.5
}, function(){
layer.close(index);
});
//通知对方
/*
$.post('/im-applyGroup/', {
uid: info.uid
,from_group: group
,remark: remark
}, function(res){
});
*/
}
});
}
,addFriend: function(){
var user = {
type: 'friend'
,id: 1234560
,username: '李彦宏' //好友昵称，若申请加群，参数为：groupname
,avatar: '//tva4.sinaimg.cn/crop.0.0.996.996.180/8b2b4e23jw8f14vkwwrmjj20ro0rpjsq.jpg' //头像
,sign: '全球最大的中文搜索引擎'
}
layim.setFriendGroup({
type: user.type
,username: user.username
,avatar: user.avatar
,group: layim.cache().friend //获取好友列表数据
,submit: function(group, index){
//一般在此执行Ajax和WS，以通知对方已经同意申请
//……
//同意后，将好友追加到主面板
layim.addList({
type: user.type
,username: user.username
,avatar: user.avatar
,groupid: group //所在的分组id
,id: user.id //好友ID
,sign: user.sign //好友签名
});
layer.close(index);
}
});
}
,addGroup: function(){
layer.msg('已成功把[Angular开发]添加到群组里', {
icon: 1
});
//增加一个群组
layim.addList({
type: 'group'
,avatar: "//tva3.sinaimg.cn/crop.64.106.361.361.50/7181dbb3jw8evfbtem8edj20ci0dpq3a.jpg"
,groupname: 'Angular开发'
,id: "12333333"
,members: 0
});
}
,removeFriend: function(){
layer.msg('已成功删除[凤姐]', {
icon: 1
});
//删除一个好友
layim.removeList({
id: 121286
,type: 'friend'
});
}
,removeGroup: function(){
layer.msg('已成功删除[前端群]', {
icon: 1
});
//删除一个群组
layim.removeList({
id: 101
,type: 'group'
});
}
//置灰离线好友
,setGray: function(){
layim.setFriendStatus(168168, 'offline');
layer.msg('已成功将好友[马小云]置灰', {
icon: 1
});
}
//取消好友置灰
,unGray: function(){
layim.setFriendStatus(168168, 'online');
layer.msg('成功取消好友[马小云]置灰状态', {
icon: 1
});
}
//移动端版本
,mobile: function(){
var device = layui.device();
var mobileHome = '/layim/demo/mobile.html';
if(device.android || device.ios){
return location.href = mobileHome;
}
var index = layer.open({
type: 2
,title: '移动版演示 （或手机扫右侧二维码预览）'
,content: mobileHome
,area: ['375px', '667px']
,shadeClose: true
,shade: 0.8
,end: function(){
layer.close(index + 2);
}
});
layer.photos({
photos: {
"data": [{
"src": "http://cdn.layui.com/upload/2016_12/168_1481056358469_50288.png",
}]
}
,anim: 0
,shade: false
,success: function(layero){
layero.css('margin-left', '350px');
}
});
}
};
$('.site-demo-layim').on('click', function(){
var type = $(this).data('type');
active[type] ? active[type].call(this) : '';
});
});
</script>
</body>
</html>
标签：function,layer,上传,res,Layui,即时通讯,layim,type 来源： https://blog.csdn.net/YZSS17/article/details/113479648