js图片上传的封装代码

本文实例为大家分享了js图片上传的具体代码，供大家参考，具体内容如下

js封装的方法

function uploadimages(picker, url, callback) {
  var img_uploader = webuploader.create({
    auto: true,
    server: url,
    pick: picker,
    filenumlimit: 1,
    filesinglesizelimit: 2097152, // 2m
    accept: {
      title: 'images',
      extensions: 'gif,jpg,jpeg,bmp,png',
      // mimetypes: 'image/*'
    },
    compress: {
      width: 300,
      compresssize: 102400 // < 100kb 不压缩
    },
  })

  var filetype = ['image/jpeg', 'image/jpg', 'image/gif', 'image/png', 'image/bmp']

  img_uploader.on('beforefilequeued', function(file) {

    filetype.some(function(name) {
      return file.type === name
    })

    ? '' : alert('请上传正确的图片！')

  })

  img_uploader.on('uploadsuccess', function(file, res) {
    callback(file, res)
  })

  img_uploader.on('uploaderror', function(file, reason) {
    console.log(reason);
  })

  img_uploader.on('uploadcomplete', function(file) {
    img_uploader.reset()
  })

}

html

<div id="ztu">图片</div>

javascript

var coverimage; 
initimageuploader();
function initimageuploader(){
  var fileurl = 你想上传的地址;
  uploadimages('#imagepicker', fileurl, function(file, res) {
   coverimage = res.url
   $('#ztu').get(0).innerhtml = '<div class="file-item thumbnail"><img style="max-height:180px" src="' + res.url + '" /></div>'
  })
 }

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。