elementUI 和vue 还有axios +java的完整示例, 代码敲了很久, 累死了, 以后用就直接复制了 ,很值吧!!!
1.html
<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>导入</title>
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
</head>
<body>
<div id="myUpload">
<el-button type="primary" size="mini" @click="uploadFile">导入</el-button>
<!--上传-->
<el-dialog title="上传" width="40%" :visible.sync="uploadTemplateDialog">
<el-row>
<el-col :span="22">
<el-upload class="upload-demo"
ref="upload"
action=""
:accept="acceptFileType"
:limit="1"
:on-exceed="handleExceed"
:before-upload="beforeUpload"
:on-preview="handlePreview"
:on-remove="handleRemove"
:file-list="fileList"
:auto-upload="false">
<el-button slot="trigger" size="small" type="primary">选取Excel格式文件</el-button>
<div slot="tip" class="el-upload_tip">只能上传.xls文件,且不超过1M</div>
</el-upload>
</el-col>
</el-row>
<span slot="footer" class="dialog-footer">
<el-button @click="submitUpload" type="primary" size="mini" :loading="uploadLoading" > 确定上传</el-button>
<el-button @click="uploadTemplateDialog=false" size="mini">取消</el-button>
</span>
</el-dialog>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script src="https://unpkg.com/element-ui@2.6.1/lib/index.js"></script>
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
<script >
new Vue({
el:‘#myUpload‘,
data:function(){
return{
uploadTemplateDialog:false,
fileList:[],
uploadLoading:false,
acceptFileType:‘.xls‘,
downLoadLoading:‘‘,
}
},
//钩子函数,页面加载执行
created:function(){
},
//钩子函数,页面加载完成后执行
mounted(){
},
//函数方法
methods:{
uploadFile(){
this.uploadLoading=false;
var that=this;
this.fileList=[];
this.uploadTemplateDialog=true;
setTimeout(function(){
that.$refs.upload.clearFiles();
},100);
},
handleExceed(files,fileList){
this.$message.warning(‘只能选择1个文件!‘);
},
submitUpload(){
this.uploadLoading=true;
var that=this;
setTimeout(function () {
if(that.$refs.upload.$children[0].fileList.length==1){
that.$refs.upload.submit();
}else{
that.uploadLoading=false;
that.$message({
type:‘error‘,
showClose:true,
duration:3000,
message:‘请选择文件!‘
});
};
},100);
},
handleRemove(file,fileList){
//console.log(file,fileList);
},
handlePreview(file){
//console.log(file);
},
beforeUpload(file){
var that=this;
//文件类型
var fileName=file.name.substring(file.name.lastIndexOf(‘.‘)+1);
if(fileName!=‘xls‘){
that.uploadTemplateDialog=false;
that.$message({
type:‘error‘,
showClose:true,
duration:3000,
message:‘文件类型不是.xls文件!‘
});
return false;
}
//读取文件大小
var fileSize=file.size;
console.log(fileSize);
if(fileSize>1048576){
that.uploadTemplateDialog=false;
that.$message({
type:‘error‘,
showClose:true,
duration:3000,
message:‘文件大于1M!‘
});
return false;
}
that.downloadLoading=that.$loading({
lock:true,
text:‘数据导入中...‘,
spinner:‘el-icon-loading‘,
background:‘rgba(0,0,0,0.7)‘
});
let fd=new FormData();
fd.append(‘file‘,file);
fd.append(‘_t1‘,new Date());
axios({
method:‘post‘,
url:‘/upload/‘+new Date().getTime(),
data:fd,
headers:{"Content-Type":"multipart/form-data;boundary="+new Date().getTime()}
}).then(rsp=>{
that.downloadLoading.close();
that.uploadLoading=false;
let resp=rsp.data
if(resp.resultCode==200){
that.uploadTemplateDialog=false;
that.$message.success(resp.resultMsg);
//that.queryData();//更新数据
}else{
that.uploadTemplateDialog=false;
that.$message({
type:‘error‘,
showClose:true,
duration:60000,
message:resp.resultMsg
});
}
}).catch(error=> {
that.downloadLoading.close();
that.uploadLoading=false;
that.uploadTemplateDialog=false;
that.$message({
type:‘error‘,
showClose:true,
duration:60000,
message:‘请求失败! error:‘+error
});
})
return false;
}
}
})
</script>
</body>
</html>
2.java
@RequestMapping(value="/upload/{time}",method={RequestMethod.POST})
@ResponseBody
public HttpResult upload(@PathVariable("time") String time,@RequestParam("file") MultipartFile file,HttpServlet request){
String fileName=file.getOriginalFilename();
String prefix=fileName.substring(filename.lastIndexOf(".")+1); // 后缀: "xls"
String path=request.getServletContext().getRealPath(File.separator+"myFile");
String date=String.valueOf(new Date().getTime());
if(!new File(path).exists()){
new File(path).mkdir();
}
File file2=new File(path+File.separator+date+"_"+fileName);
file.transferTo(files);
return HttpResult.ok();
}
3.效果图
效果图还是不错的吧, 后台java 我就截取了一段代码, 大家可以自己发挥, 前端基本都完整了, 可以完全套用, 大家给个意见吧!!!
原文地址：https://www.cnblogs.com/yysbolg/p/10516144.html
时间： 2024-10-06 12:01:45