Vue + ccropper.js裁切图片（vue-cropper）

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按原比例裁切图片，不失真

安装：

 

    cnpm install vue-cropper

使用：

 

 

import VueCropper from 'vue-cropper'

  

    

      
    
    

      

        
      
    
  

  

    

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export default {
    data() {
      return {
        crap: false,
        previews: {},
        option: {
          img: 'http://img1.vued.vanthink.cn/vued751d13a9cb5376b89cb6719e86f591f3.png',
          size: 1,
          full: false,//输出原图比例截图 props名full

        outputType: 'png',

canMove : true, original : false, canMoveBox : true, autoCrop : true, autoCropWidth : 200 , autoCropHeight : 200 , fixedBox : true } , downImg : '#' , } ; } , methods : { changeScale (num ) { num = num || 1 this.$refs .cropper . changeScale (num ) } , rotateLeft () { this.$refs .cropper . rotateLeft () } , rotateRight () { this.$refs .cropper . rotateRight () } , finish (type ) { // 输出 // var test = window.open('about:blank') // test.document.body.innerHTML = '图片生成中..' if (type === 'blob' ) { this.$refs .cropper .getCropBlob ((data ) => { var img = window .URL . createObjectURL (data ) this.model = true this.modelSrc = img }) } else { this.$refs .cropper .getCropData ((data ) => { this.model = true this.modelSrc = data }) } } , // 实时预览函数 realTime (data ) { this.previews = data } , down (type ) { // event.preventDefault() var aLink = document . createElement ( 'a' ) aLink .download = 'author-img' // 输出 if (type === 'blob' ) { this.$refs .cropper .getCropBlob ((data ) => { console . log (data ) this.downImg = window .URL . createObjectURL (data ) // aLink.download = this.downImg; console . log ( this.downImg ) aLink .href = window .URL . createObjectURL (data ) aLink . click () }) } else { this.$refs .cropper .getCropData ((data ) => { this.downImg = data aLink .href = data aLink . click () }) } } , uploadImg (e , num ) { //上传图片 // this.option.img var file = e .target .files [ 0 ] if ( ! /\.(gif|jpg|jpeg|png|bmp|GIF|JPG|PNG)$/ . test (e .target .value )) { alert ( '图片类型必须是.gif,jpeg,jpg,png,bmp中的一种' ) return false } var reader = new FileReader () reader .onload = (e ) => { let data if ( typeof e .target .result === 'object' ) { // 把Array Buffer转化为blob 如果是base64不需要 data = window .URL . createObjectURL ( new Blob ([e .target .result ])) } else { data = e .target .result } if (num === 1 ) { this.option .img = data } else if (num === 2 ) { this.example2 .img = data } } // 转化为base64 // reader.readAsDataURL(file) // 转化为blob reader . readAsArrayBuffer ( file ) } , imgLoad (msg ) { console . log (msg ) } } , components : { VueCropper } , }

 

 

.cropper-content{
  display: flex;
  display: -webkit-flex;
  justify-content: flex-end;
  -webkit-justify-content: flex-end;
  .cropper{
    width: 350px;
    height: 300px;
  }
  .show-preview{
    flex: 1;
    -webkit-flex: 1;
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    -webkit-justify-content: center;
    .preview{
      overflow: hidden;
      border-radius: 50%;
      border:1px solid #cccccc;
      background: #cccccc;
      margin-left: 40px;
    }
  }
}
.footer-btn{
  margin-top: 30px;
  display: flex;
  display: -webkit-flex;
  justify-content: flex-end;
  -webkit-justify-content: flex-end;
  .scope-btn{
    width: 350px;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
  }
  .upload-btn{
    flex: 1;
    -webkit-flex: 1;
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    -webkit-justify-content: center;
  }
  .btn {
    outline: none;
    display: inline-block;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    -webkit-appearance: none;
    text-align: center;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    outline: 0;
    margin: 0;
    -webkit-transition: .1s;
    transition: .1s;
    font-weight: 500;
    padding: 8px 15px;
    font-size: 12px;
    border-radius: 3px;
    color: #fff;
    background-color: #67c23a;
    border-color: #67c23a;
  }
}

截图效果：