#2
搞钱2021-01-21 16:51
<!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="//res. media="all"> <!-- 注意:如果你直接复制所有代码到本地,上述css路径需要改成你本地的 --> </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. 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://' //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://' //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){ $('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">') }); } ,done: function(res){ //上传完毕 } }); //指定允许上传的文件类型 upload.render({ elem: '#test3' ,url: 'https://' //改成您自己的上传接口 ,accept: 'file' //普通文件 ,done: function(res){ layer.msg('上传成功'); console.log(res); } }); upload.render({ //允许上传的文件后缀 elem: '#test4' ,url: 'https://' //改成您自己的上传接口 ,accept: 'file' //普通文件 ,exts: 'zip|rar|7z' //只允许上传压缩文件 ,done: function(res){ layer.msg('上传成功'); console.log(res) } }); upload.render({ elem: '#test5' ,url: 'https://' //改成您自己的上传接口 ,accept: 'video' //视频 ,done: function(res){ layer.msg('上传成功'); console.log(res) } }); upload.render({ elem: '#test6' ,url: 'https://' //改成您自己的上传接口 ,accept: 'audio' //音频 ,done: function(res){ layer.msg('上传成功'); console.log(res) } }); //设定文件大小限制 upload.render({ elem: '#test7' ,url: 'https://' //改成您自己的上传接口 ,size: 60 //限制文件大小,单位 KB ,done: function(res){ layer.msg('上传成功'); console.log(res) } }); //同时绑定多个元素,并将属性设定在元素上 upload.render({ elem: '.demoMore' ,before: function(){ layer.tips('接口地址:'+ this.url, this.item, {tips: 1}); } ,done: function(res, index, upload){ var item = this.item; console.log(item); //获取当前触发上传的元素,layui 2.1.0 新增 } }) //选完文件后不自动上传 upload.render({ elem: '#test8' ,url: 'https://' //改成您自己的上传接口 ,auto: false //,multiple: true ,bindAction: '#test9' ,done: function(res){ layer.msg('上传成功'); console.log(res) } }); //拖拽上传 upload.render({ elem: '#test10' ,url: 'https://' //改成您自己的上传接口 ,done: function(res){ layer.msg('上传成功'); layui.$('#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://' //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://' //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> 链接:https://www. |
程序代码:
<html>
<head>
<meta charset="utf-8">
<title>进度条测试</title>
<script type="text/javascript" src="https://libs.baidu.com/jquery/1.11.1/jquery.min.js"></script>
</head>
<body>
<input type="file" id="file_upload"/>
<input type="button" value="上传" id="upload"/>
<div style="background:#848484;width:100px;height:10px;margin-top:5px">
<div id="progressNumber" style="background:#428bca;width:0px;height:10px" >
</div>
</div>
<font id="percent">0%</font>
</body>
<script>
var file = null;
$(function(){
$("#upload").click(function(){
upload();
});
});
var input = document.getElementById("file_upload");
//文件域选择文件时, 执行readFile函数
input.addEventListener('change',readFile,false);
function readFile(){
file = this.files[0];
}
//上传文件
function upload(){
var xhr = new XMLHttpRequest();
var fd = new FormData();
fd.append("fileName", file);
//监听事件
xhr.upload.addEventListener("progress", uploadProgress, false);
//发送文件和表单自定义参数
xhr.open("POST", "./Upload",true);
xhr.send(fd);
}
function uploadProgress(evt){
if (evt.lengthComputable) {
//evt.loaded:文件上传的大小 evt.total:文件总的大小
var percentComplete = Math.round((evt.loaded) * 100 / evt.total);
//加载进度条,同时显示信息
$("#percent").html(percentComplete + '%')
$("#progressNumber").css("width",""+percentComplete+"px");
}
}
</script>
</html>
<head>
<meta charset="utf-8">
<title>进度条测试</title>
<script type="text/javascript" src="https://libs.baidu.com/jquery/1.11.1/jquery.min.js"></script>
</head>
<body>
<input type="file" id="file_upload"/>
<input type="button" value="上传" id="upload"/>
<div style="background:#848484;width:100px;height:10px;margin-top:5px">
<div id="progressNumber" style="background:#428bca;width:0px;height:10px" >
</div>
</div>
<font id="percent">0%</font>
</body>
<script>
var file = null;
$(function(){
$("#upload").click(function(){
upload();
});
});
var input = document.getElementById("file_upload");
//文件域选择文件时, 执行readFile函数
input.addEventListener('change',readFile,false);
function readFile(){
file = this.files[0];
}
//上传文件
function upload(){
var xhr = new XMLHttpRequest();
var fd = new FormData();
fd.append("fileName", file);
//监听事件
xhr.upload.addEventListener("progress", uploadProgress, false);
//发送文件和表单自定义参数
xhr.open("POST", "./Upload",true);
xhr.send(fd);
}
function uploadProgress(evt){
if (evt.lengthComputable) {
//evt.loaded:文件上传的大小 evt.total:文件总的大小
var percentComplete = Math.round((evt.loaded) * 100 / evt.total);
//加载进度条,同时显示信息
$("#percent").html(percentComplete + '%')
$("#progressNumber").css("width",""+percentComplete+"px");
}
}
</script>
</html>