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這篇文章主要介紹了Vue如何調用手機相機和相冊以及上傳,具有一定借鑒價值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
組件
<template> <div> <input id="upload_file" type="file" accept='image/*' name="file" @change="fileChange($event)"/> <div class="image-item space" @click="showActionSheet()"> <div class="image-up"></div> </div> <div class="upload_warp"> <div class="upload_warp_img"> <div class="upload_warp_img_div" v-for="(item,index) in imgList"> <div class="upload_warp_img_div_top"> <img src="https://cache.yisu.com/upload/information/20200622/114/23987.png" class="upload_warp_img_div_del" @click="fileDel(index)"> </div> <img :src="item.file.src" > </div> <div class="upload_warp_left" id="upload_warp_left" @click="fileClick()" v-if="this.imgList.length < 6"> <!--<img src="../assets/upload.png">--> <img src="../assets/images/添加圖片.png" class="imgs"/> </div> </div> </div> <div class="upload_warp_text"> <span>選中{{imgList.length}}張文件,共{{bytesToSize(this.size)}}</span> </div> </div> </template>
javaScript代碼
<script type="text/ecmascript-6"> export default { name: "cameras-and-albums", data(){ return{ imgList: [], datas: new FormData(), files:0, size:0 } }, methods:{ //調用相冊&相機 fileClick() { $('#upload_file').click(); }, //調用手機攝像頭并拍照 getImage() { let cmr = plus.camera.getCamera(); cmr.captureImage(function(p) { plus.io.resolveLocalFileSystemURL(p, function(entry) { compressImage(entry.toLocalURL(),entry.name); }, function(e) { plus.nativeUI.toast("讀取拍照文件錯誤:" + e.message); }); }, function(e) { }, { filter: 'image' }); }, //從相冊選擇照片 galleryImgs() { plus.gallery.pick(function(e) { let name = e.substr(e.lastIndexOf('/') + 1); compressImage(e,name); }, function(e) { }, { filter: "image" }); }, //點擊事件,彈出選擇攝像頭和相冊的選項 showActionSheet() { let bts = [{ title: "拍照" }, { title: "從相冊選擇" }]; plus.nativeUI.actionSheet({ cancel: "取消", buttons: bts }, function(e) { if (e.index == 1) { this.getImage(); } else if (e.index == 2) { this.galleryImgs(); } } ); }, fileChange(el) { this.files=$("#upload_file").get(0).files; console.log(this.files.length); for(let i=0;i<this.files.length;i++){ this.datas.append("file",this.files[i]); } this.show1=false; console.log(typeof this.files); console.log(this.files); if (!el.target.files[0].size) return; this.fileList(el.target); el.target.value = '' }, fileList(fileList) { let files = fileList.files; for (let i = 0; i < files.length; i++) { //判斷是否為文件夾 if (files[i].type != '') { this.fileAdd(files[i]); } else { //文件夾處理 this.folders(fileList.items[i]); } } }, //文件夾處理 folders(files) { let _this = this; //判斷是否為原生file if (files.kind) { files = files.webkitGetAsEntry(); } files.createReader().readEntries(function (file) { for (let i = 0; i < file.length; i++) { if (file[i].isFile) { _this.foldersAdd(file[i]); } else { _this.folders(file[i]); } } }) }, fileAdd(file) { //總大小 this.size = this.size + file.size; //判斷是否為圖片文件 if (file.type.indexOf('image') == -1) { file.src = 'wenjian.png'; this.imgList.push({ file }); } else { let reader = new FileReader(); reader.vue = this; reader.readAsDataURL(file); reader.onload = function () { file.src = this.result; this.vue.imgList.push({ file }); } } }, fileDel(index) { this.size = this.size - this.imgList[index].file.size;//總大小 this.imgList.splice(index, 1); }, bytesToSize(bytes) { if (bytes === 0){ return '0 B'; } let k = 1000, // or 1024 sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'], i = Math.floor(Math.log(bytes) / Math.log(k)); return (bytes / Math.pow(k, i)).toPrecision(3) + ' ' + sizes[i]; }, dragenter(el) { el.stopPropagation(); el.preventDefault(); }, dragover(el) { el.stopPropagation(); el.preventDefault(); }, drop(el) { el.stopPropagation(); el.preventDefault(); this.fileList(el.dataTransfer); }, shows(et,tx){ this.strut=et; this.txt=tx; }, handleClick(){ this.$store.commit('add') }, }, } </script>
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