<!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="layui/css/layui.css" 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>
<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 name="file" id="test20" type="file">
<script src="layui/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'
,exts: 'zip|rar|7z|ini|jpg|png' //设置一些后缀，用于演示前端验证和后端的验证
,url: 'http://localhost:8080/xxxxxxx/mmmmmm/uploadTest'//http://127.0.0.1:81/xxxxxxxThinkPHP/Home/index //这里是两个版本的上传地址
,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 == 500){
return layer.msg('上传失败，'+res.msg);
}else{//上传成功
layer.msg('上传成功，'+res.data.src);
}
}
,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-mini demo-reload">重试</a>');
demoText.find('.demo-reload').on('click', function(){
uploadInst.upload();
});
}
});
});
</script>
</body>
</html>
java的上传(Springboot框架)
@RestController
public class UploadController {
String filePath="D:/";
@RequestMapping("/uploadTest")
public Map<String,Object> uploadTest(MultipartFile file) throws FileNotFoundException {
// Map<String,Object> result = wifiCapService.uploadTest(file, request);
// return result
//a.jpg--->.jpg
Map<String,Object> result= new HashMap<>();
String ertName=file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));//获取文件格式
String fileName= UUID.randomUUID().toString()+ertName;//uuid创建文件
final String uploadPath = "Uploads/" + new SimpleDateFormat("yyyy/MM/dd").format(new Date());//上传的组合路径
try {
File saveFile =new File(filePath+uploadPath,fileName);
if (!saveFile.exists()){
saveFile.mkdirs();//目录不存在，递归创建
FileCopyUtils.copy(file.getInputStream(),new FileOutputStream(saveFile));//把文件写入磁盘
result.put("code",200);
result.put("msg","上传成功");
result.put("data", new HashMap<String, Object>() {
{
put("src", uploadPath + "/"+ fileName);
}
});
}
} catch (IOException e) {
e.printStackTrace();
}
return result;//返回名称
}
}
