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vupload

v2.3.1

Published

vue upload

Readme

// vupload 组件 基于swiper 组件制作查看大图,可滑动查看全图 解决 前端图片压缩,图片颠倒问题, 图片压缩: { 宽高压缩: 以手机屏幕宽度为值,等比例压缩高度 质量宽度: canvas 压缩质量参数压缩 }

简化了使用配置,优化了删除功能,修复安卓下上传不了

优化了上传异步请求队列 增加了上传失败提示,超时 摈弃了对swiper的依赖 增加了 data 属性(string/Object) 例: 上传参数为file=图片&type='png'两个参数, 即data={file:'', type: 'png'}, 组件以对象中位空的参数为图片内容字段

增加了单个上传文件的容量大小限制参数

增加 scale 参数: 依据图片实际大小宽度进行等比例大小压缩(取值范围: 0.1 ~ 1)

// 引入上传组件 import { upload, uploadList, uploadFile } from 'vupload'

注:以上方式如果出现报错可换成 import upload from 'vupload/upload' import uploadList from 'vupload/component/uploadlist' import uploadFile from 'vupload/component/upload' 分别引入

export default { components: { upload, uploadList, uploadFile } }

上传组件使用方法

<template>
  <div class="ins-btn">
    <upload class="base remark-img" 
        :list="option"// 上传图片参数
        :server="'/'"//服务器地址
        :data="{
          file:'',
          type: 'png'
        }//不填默认 上传参数为file"
        
        :multiple="true"//不填默认为true(开启批量上传)
        quality="0.8"//图片质量,默认50%
        max="5"//一次最多上传图片个数,默认5张
        :progress="onProgress"//上传进度,移动端支持度不高
        :start="onStart"// 上传开始事件,显示缩略图
        :success="onSuccess"// 上传成功回调
        :error="onError">// 上传失败回调(前端拦截失败的情况,比如 超过上限之类)
      <upload-list 
        :list="option.imgList"// 上传成功图片
        :thunb="option.imgCache"// 缩略图
        :onDel="onDel"// 删除图片事件
        class="list"
      />
      <upload-file class="uploader" />
    </upload>
  </div>
</template>

<script>
  export default {
    data () {
      return {
        option: {
           imgList: [],
           imgCache: []
        }
      }
    },
    methods: {
      onStart(canvas) {
         this.option.imgCache.push(canvas)//上传前回调
       },
       onSuccess(jsons) {
         this.option.imgList.push(jsons.content.downloadUrl)//上传成功回调
       },
       onError(e) {
         console.log(e)//发生异常
       },
       onDel(index) {
         this.option.imgList = this.option.imgList.filter((data, num) => num != index )
         this.option.imgCache = this.option.imgCache.filter((data, num) => num != index )
         //删除图片(可选)
       },
       onProgress(num) {
         console.log(num)//进度条事件(可选)
       }
    }
  }
</script>

#样式 从父组件定义组件内样式,

‘scoped’ 不需要加,否则会导致内部样式丢失,以防冲突,可以通过,顶层id包含下面的样式


<style lang="scss">
@function turnToRem($px) {
  @return 64px * $px / 75px / 32px * 1rem;
}


.ins-btn {
  position: relative;
  min-height: turnToRem(45px);
  overflow: hidden;
}

.uploader {
  float: left;
  width: turnToRem(200px);
  height: turnToRem(200px);
}

.upload {
  width: 100%;
  height: 100%;
  background: url('../../assets/upload.png') no-repeat;
  background-size: 100% auto;
  position: relative;
  overflow:hidden;
}
.list {
  .item {
     float: left;
     width: turnToRem(198px);
     height: turnToRem(198px);
     border: 1px solid #ddd;
     margin-right: 2%;
     position: relative;
     margin-bottom: 2%;
     overflow: hidden;
     img {
       width: 100%;
        height: 100%;
     }
     
     .loadImg {
       width: 100%;
       height: 100%;
       position: absolute;
       background:rgba(239,239,239,.6);
       top: 0;
       left: 0;
       display: flex;
       align-items: center;
       .loading {
         margin: 0 auto;
         width: turnToRem(66px);
         height: turnToRem(6px);
         background:url('../../assets/loading.gif');
         background-size: turnToRem(66px) auto;
       }
       //新增fail样式
       .failure {
         margin: 0 auto;
         width: turnToRem(88px);
         height: turnToRem(88px);
         background:url('../../assets/img_fail.png');
         background-size: turnToRem(88px) auto;
       
     }
     .failImg {
       background: #eee
     }
     .del {
       position: absolute;
       top: 0;
       right: 0;
       width: turnToRem(40px);
       height: turnToRem(40px);
       background: url('../../assets/del.png');
       background-size: turnToRem(40px) auto
    }
  }
}
</style>