Home > Web Front-end > Layui Tutorial > Layui's upload component usage and upload blocking

Layui's upload component usage and upload blocking

Release: 2020-01-11 16:55:42
forward
5742 people have browsed it

Layui's upload component usage and upload blocking

Background: There is a button on the page. Click to pop up the upload box. Start writing the method code of the button: handle unselected files to prevent uploading; display or hide uploads by judging the number of selected files. Button;

is defined in js:

function  uploadFile(){
    layer.open({
        type:1,
        title:'上传文件‘,
        area:['25%','400px'],
        content:&#39;<div class="layui-form-item" style="margin-top:40px;">\
          <div class="layui-input-block">\
            <input class="layui-btn" type="button" id="chooseFIle" value="选择文件">\
            <span></span>\
          </div>\
        </div>\
          <div class="layui-form-item" style="margin-top:40px;">\
          <div class="layui-input-block">\
            <input class="layui-btn" type="button" id="uploadbtn" value="上传">\
            <span></span>\
          </div>\
        </div>‘,
    btn:[&#39;关闭&#39;],
    btn1:function(idx,ele){
        layer.closeAll();
      }
  })
createUpload();
}
 
var  files ;
function createUpload(){
      $("#uploadbtn").hide();
      $("#chooseFile").next().next("span").text("");
      layui.use([&#39;upload&#39;],function(){
        var uploadInst = upload.render({
            elem:&#39;#chooseFile&#39;,
             url:&#39; &#39;,
              accept:&#39;file&#39;,
             auto:false,
            multiple:true,
          acceptMime:&#39;application/vnd.ms-excel,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet&#39;,
          exts:&#39;xls|xlsx&#39;,
          size:1024000,
          number:5,
          bindAction:&#39;#uploadbtn&#39;,
          choose:function(obj){
            files = this.files = boj.pushFile();
            if(Object.keys(files).length>0){ $("#uploadbtn").show(); }
            obj.preview(function(index,file,result){
              $("#chooseFile").siblings("span").append("<div title=&#39;"+index+"&#39;>"+file.name+"  <span onclick=&#39;deletefile(\""+index+"\")&#39;>&times;</span></div>")
               if(index>0) {$("#uploadbtn").show() ;}
              })
          },
        allDone:function(obj){  
            if(obj.successful){
              layer.msg(obj.total+"个文件上传成功!");
            }
          },
        error:function(){
          layer.alert("上传成功!");
        }
    })
  }
}
function  deletefile(index){
  delete  files[index];
  $("#chooseFile").siblings("span").find("div[title="+index+"]").remove();
  if(!Object.keys(files).length>0){
      $("#uploadbtn").hide();
  }
 
}
Copy after login

For more layui knowledge, please pay attention to the layui usage tutorial column on the PHP Chinese website.

The above is the detailed content of Layui's upload component usage and upload blocking. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Issues
How about layui framework?
From 1970-01-01 08:00:00
0
0
0
layui cannot be loaded
From 1970-01-01 08:00:00
0
0
0
Why is the reference to layui file invalid?
From 1970-01-01 08:00:00
0
0
0
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template