Vue觸發(fā)input選取文件點擊事件操作

更新時間：2020年08月07日 11:35:43 作者：LaLaLa_heng

這篇文章主要介紹了Vue觸發(fā)input選取文件點擊事件操作，具有很好的參考價值，希望對大家有所幫助。一起跟隨小編過來看看吧

CSS

.upload-btn-box {
  margin-bottom: 10px;
  button {
    margin-right: 10px;
  }
  input[type=file] {
    display: none;
  }
}

HTML

<div class="upload-btn-box">
　　<Button @click="choiceImg" icon="ios-cloud-upload-outline" type="primary">點擊上傳</Button>
  <input ref="filElem" type="file" class="upload-file" @change="getFile">
</div>

Script

choiceImg(){
  this.$refs.filElem.dispatchEvent(new MouseEvent('click')) 
},
getFile(){
      var that = this;
      const inputFile = this.$refs.filElem.files[0];
      if(inputFile){
        if(inputFile.type !== 'image/jpeg' && inputFile.type !== 'image/png' && inputFile.type !== 'image/gif'){
          alert('不是有效的圖片文件！');
          return;
        }
        this.imgInfo = Object.assign({}, this.imgInfo, {
          name: inputFile.name,
          size: inputFile.size,
          lastModifiedDate: inputFile.lastModifiedDate.toLocaleString()
        })
        const reader = new FileReader();
        reader.readAsDataURL(inputFile);
        reader.onload = function (e) {
          that.imgSrc = this.result;
        }
      } else {
        return;
      }
    }

補充知識： vue下打包時幾個文件選擇文件打包一起并做懶加載

直接上代碼

const DeviceManage = r => require.ensure([], () => r(require(deviceManagePath + 'main/DeviceManage')), 'g-DeviceManage');
const SingleDeviceSet = r => require.ensure([], () => r(require(deviceManagePath + 'deviceSet/SingleDeviceSet')), 'g-DeviceManage');
const ModifyNo = r => require.ensure([], () => r(require(deviceManagePath + 'modifyNo/ModifyNo')), 'g-DeviceManage');
const PricePerTime = r => require.ensure([], () => r(require(deviceManagePath + 'pricePerTime/PricePerTime')), 'g-DeviceManage');
const SetParams = r => require.ensure([], () => r(require(deviceManagePath + 'setParams/SetParams')), 'g-DeviceManage');
const ShowDevicePrice = r => require.ensure([], () => r(require(deviceManagePath + 'showDevicePrice/ShowDevicePrice')), 'g-DeviceManage');
const parameterSetting = r => require.ensure([], () => r(require(deviceManagePath + 'parameterSetting/parameterSetting')), 'g-DeviceManage');
const SetParams3G = r => require.ensure([], () => r(require(deviceManagePath + 'setParams3G/SetParams3G')), 'g-Device3Gparams');

這么寫所有g-DeviceManage的文件會被打包在一起

以上這篇Vue觸發(fā)input選取文件點擊事件操作就是小編分享給大家的全部內容了，希望能給大家一個參考，也希望大家多多支持腳本之家。

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