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571 lines
19 KiB
571 lines
19 KiB
<template> |
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<view class="u-upload" :style="[$u.addStyle(customStyle)]"> |
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<view class="u-upload__wrap"> |
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<template v-if="previewImage"> |
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<view |
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class="u-upload__wrap__preview" |
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v-for="(item, index) in lists" |
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:key="index" |
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> |
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<image |
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v-if="item.isImage || (item.type && item.type === 'image')" |
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:src="item.thumb || item.url" |
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:mode="imageMode" |
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class="u-upload__wrap__preview__image" |
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@tap="onPreviewImage(item)" |
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:style="[ |
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{ |
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width: $u.addUnit(width), |
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height: $u.addUnit(height) |
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} |
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]" |
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/> |
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<view v-else class="u-upload__wrap__preview__other"> |
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<u-icon |
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color="#80CBF9" |
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size="26" |
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:name=" |
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item.isVideo || (item.type && item.type === 'video') |
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? 'movie' |
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: 'folder' |
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" |
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></u-icon> |
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<text class="u-upload__wrap__preview__other__text"> |
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{{ |
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item.isVideo || (item.type && item.type === 'video') |
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? '视频' |
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: '文件' |
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}} |
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</text> |
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</view> |
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<view |
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class="u-upload__status" |
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v-if="item.status === 'uploading' || item.status === 'failed'" |
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> |
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<view class="u-upload__status__icon"> |
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<u-icon |
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v-if="item.status === 'failed'" |
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name="close-circle" |
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color="#ffffff" |
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size="25" |
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/> |
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<u-loading-icon |
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size="22" |
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mode="circle" |
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color="#ffffff" |
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v-else |
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/> |
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</view> |
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<text v-if="item.message" class="u-upload__status__message"> |
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{{ item.message }} |
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</text> |
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</view> |
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<view |
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class="u-upload__deletable" |
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v-if=" |
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item.status !== 'uploading' && (deletable || item.deletable) |
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" |
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@tap.stop="deleteItem(index)" |
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> |
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<view class="u-upload__deletable__icon"> |
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<u-icon |
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name="close-circle-fill" |
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color="#f8285a" |
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size="48rpx" |
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></u-icon> |
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</view> |
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</view> |
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<view class="u-upload__success" v-if="item.status === 'success'"> |
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<!-- #ifdef APP-NVUE --> |
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<image |
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:src="successIcon" |
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class="u-upload__success__icon" |
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></image> |
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<!-- #endif --> |
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<!-- #ifndef APP-NVUE --> |
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<view class="u-upload__success__icon"> |
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<u-icon name="checkmark" color="#ffffff" size="12"></u-icon> |
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</view> |
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<!-- #endif --> |
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</view> |
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</view> |
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</template> |
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|
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<template v-if="isInCount"> |
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<view v-if="$slots.default || $slots.$default" @tap="chooseFile"> |
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<slot /> |
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</view> |
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<view |
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v-else |
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class="u-upload__button" |
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:hover-class="!disabled ? 'u-upload__button--hover' : ''" |
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hover-stay-time="150" |
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@tap="chooseFile" |
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:class="[disabled && 'u-upload__button--disabled']" |
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:style="[ |
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{ |
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width: $u.addUnit(width), |
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height: $u.addUnit(height) |
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} |
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]" |
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> |
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<u-icon |
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:name="uploadIcon" |
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size="26" |
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:color="uploadIconColor" |
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></u-icon> |
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<text v-if="uploadText" class="u-upload__button__text"> |
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{{ uploadText }} |
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</text> |
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</view> |
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</template> |
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</view> |
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</view> |
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</template> |
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|
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<script> |
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import { chooseFile } from './utils' |
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import mixin from './mixin.js' |
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import props from './props.js' |
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|
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/** |
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* upload 上传 |
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* @description 该组件用于上传图片场景 |
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* @tutorial https://uviewui.com/components/upload.html |
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* @property {String} accept 接受的文件类型, 可选值为all media image file video （默认 'image' ） |
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* @property {String | Array} capture 图片或视频拾取模式，当accept为image类型时设置capture可选额外camera可以直接调起摄像头（默认 ['album', 'camera'] ） |
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* @property {Boolean} compressed 当accept为video时生效，是否压缩视频，默认为true（默认 true ） |
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* @property {String} camera 当accept为video时生效，可选值为back或front（默认 'back' ） |
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* @property {Number} maxDuration 当accept为video时生效，拍摄视频最长拍摄时间，单位秒（默认 60 ） |
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* @property {String} uploadIcon 上传区域的图标，只能内置图标（默认 'camera-fill' ） |
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* @property {String} uploadIconColor 上传区域的图标的字体颜色，只能内置图标（默认 #D3D4D6 ） |
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* @property {Boolean} useBeforeRead 是否开启文件读取前事件（默认 false ） |
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* @property {Boolean} previewFullImage 是否显示组件自带的图片预览功能（默认 true ） |
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* @property {String | Number} maxCount 最大上传数量（默认 52 ） |
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* @property {Boolean} disabled 是否启用（默认 false ） |
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* @property {String} imageMode 预览上传的图片时的裁剪模式，和image组件mode属性一致（默认 'aspectFill' ） |
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* @property {String} name 标识符，可以在回调函数的第二项参数中获取 |
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* @property {Array} sizeType 所选的图片的尺寸, 可选值为original compressed（默认 ['original', 'compressed'] ） |
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* @property {Boolean} multiple 是否开启图片多选，部分安卓机型不支持 （默认 false ） |
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* @property {Boolean} deletable 是否展示删除按钮（默认 true ） |
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* @property {String | Number} maxSize 文件大小限制，单位为byte （默认 Number.MAX_VALUE ） |
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* @property {Array} fileList 显示已上传的文件列表 |
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* @property {String} uploadText 上传区域的提示文字 |
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* @property {String | Number} width 内部预览图片区域和选择图片按钮的区域宽度（默认 80 ） |
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* @property {String | Number} height 内部预览图片区域和选择图片按钮的区域高度（默认 80 ） |
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* @property {Object} customStyle 组件的样式，对象形式 |
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* @event {Function} afterRead 读取后的处理函数 |
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* @event {Function} beforeRead 读取前的处理函数 |
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* @event {Function} oversize 文件超出大小限制 |
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* @event {Function} clickPreview 点击预览图片 |
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* @event {Function} delete 删除图片 |
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* @example <u-upload :action="action" :fileList="fileList" ></u-upload> |
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*/ |
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export default { |
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name: 'u-upload', |
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mixins: [uni.$u.mpMixin, uni.$u.mixin, mixin, props], |
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data() { |
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return { |
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// #ifdef APP-NVUE |
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successIcon: |
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'data:image/png;base64,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', |
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// #endif |
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lists: [], |
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isInCount: true |
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} |
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}, |
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watch: { |
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// 监听文件列表的变化，重新整理内部数据 |
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fileList: { |
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immediate: true, |
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handler() { |
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this.formatFileList() |
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} |
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} |
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}, |
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methods: { |
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formatFileList() { |
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const { fileList = [], maxCount } = this |
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const lists = fileList.map(item => |
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Object.assign(Object.assign({}, item), { |
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// 如果item.url为本地选择的blob文件的话，无法判断其为video还是image，此处优先通过accept做判断处理 |
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isImage: |
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this.accept === 'image' || |
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uni.$u.test.image(item.url || item.thumb), |
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isVideo: |
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this.accept === 'video' || |
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uni.$u.test.video(item.url || item.thumb), |
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deletable: |
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typeof item.deletable === 'boolean' |
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? item.deletable |
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: this.deletable |
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}) |
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) |
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this.lists = lists |
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this.isInCount = lists.length < maxCount |
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}, |
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chooseFile() { |
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const { maxCount, multiple, lists, disabled } = this |
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if (disabled) return |
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// 如果用户传入的是字符串，需要格式化成数组 |
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let capture |
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try { |
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capture = uni.$u.test.array(this.capture) |
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? this.capture |
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: this.capture.split(',') |
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} catch (e) { |
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capture = [] |
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} |
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chooseFile( |
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Object.assign( |
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{ |
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accept: this.accept, |
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multiple: this.multiple, |
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capture: capture, |
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compressed: this.compressed, |
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maxDuration: this.maxDuration, |
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sizeType: this.sizeType, |
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camera: this.camera |
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}, |
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{ |
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maxCount: maxCount - lists.length |
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} |
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) |
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) |
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.then(res => { |
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this.onBeforeRead(multiple ? res : res[0]) |
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}) |
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.catch(error => { |
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this.$emit('error', error) |
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}) |
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}, |
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// 文件读取之前 |
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onBeforeRead(file) { |
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const { beforeRead, useBeforeRead } = this |
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let res = true |
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// beforeRead是否为一个方法 |
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if (uni.$u.test.func(beforeRead)) { |
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// 如果用户定义了此方法，则去执行此方法，并传入读取的文件回调 |
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res = beforeRead(file, this.getDetail()) |
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} |
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if (useBeforeRead) { |
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res = new Promise((resolve, reject) => { |
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this.$emit( |
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'beforeRead', |
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Object.assign( |
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Object.assign( |
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{ |
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file |
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}, |
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this.getDetail() |
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), |
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{ |
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callback: ok => { |
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ok ? resolve() : reject() |
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} |
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} |
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) |
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) |
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}) |
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} |
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if (!res) { |
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return |
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} |
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if (uni.$u.test.promise(res)) { |
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res.then(data => this.onAfterRead(data || file)) |
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} else { |
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this.onAfterRead(file) |
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} |
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}, |
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getDetail(index) { |
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return { |
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name: this.name, |
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index: index == null ? this.fileList.length : index |
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} |
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}, |
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onAfterRead(file) { |
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const { maxSize, afterRead } = this |
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const oversize = Array.isArray(file) |
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? file.some(item => item.size > maxSize) |
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: file.size > maxSize |
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if (oversize) { |
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this.$emit( |
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'oversize', |
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Object.assign( |
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{ |
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file |
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}, |
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this.getDetail() |
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) |
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) |
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return |
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} |
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if (typeof afterRead === 'function') { |
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afterRead(file, this.getDetail()) |
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} |
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this.$emit( |
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'afterRead', |
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Object.assign( |
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{ |
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file |
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}, |
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this.getDetail() |
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) |
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) |
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}, |
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deleteItem(index) { |
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this.$emit( |
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'delete', |
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Object.assign(Object.assign({}, this.getDetail(index)), { |
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file: this.fileList[index] |
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}) |
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) |
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}, |
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// 预览图片 |
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onPreviewImage(item) { |
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if (!item.isImage || !this.previewFullImage) return |
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uni.previewImage({ |
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// 先filter找出为图片的item，再返回filter结果中的图片url |
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urls: this.lists |
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.filter( |
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item => |
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this.accept === 'image' || |
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uni.$u.test.image(item.url || item.thumb) |
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) |
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.map(item => item.url || item.thumb), |
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current: item.url || item.thumb, |
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fail() { |
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uni.$u.toast('预览图片失败') |
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} |
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}) |
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}, |
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onPreviewVideo(event) { |
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if (!this.data.previewFullImage) return |
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const { index } = event.currentTarget.dataset |
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const { lists } = this.data |
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wx.previewMedia({ |
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sources: lists |
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.filter(item => isVideoFile(item)) |
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.map(item => |
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Object.assign(Object.assign({}, item), { |
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type: 'video' |
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}) |
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), |
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current: index, |
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fail() { |
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uni.$u.toast('预览视频失败') |
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} |
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}) |
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}, |
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onClickPreview(event) { |
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const { index } = event.currentTarget.dataset |
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const item = this.data.lists[index] |
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this.$emit( |
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'clickPreview', |
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Object.assign(Object.assign({}, item), this.getDetail(index)) |
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) |
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} |
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} |
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} |
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</script> |
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|
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<style lang="scss" scoped> |
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@import '../../libs/css/components.scss'; |
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$u-upload-preview-border-radius: 2px !default; |
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$u-upload-preview-margin: 0 8px 8px 0 !default; |
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$u-upload-image-width: 80px !default; |
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$u-upload-image-height: $u-upload-image-width; |
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$u-upload-other-bgColor: rgb(242, 242, 242) !default; |
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$u-upload-other-flex: 1 !default; |
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$u-upload-text-font-size: 11px !default; |
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$u-upload-text-color: $u-tips-color !default; |
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$u-upload-text-margin-top: 2px !default; |
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$u-upload-deletable-right: 0 !default; |
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$u-upload-deletable-top: 0 !default; |
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$u-upload-deletable-bgColor: rgb(55, 55, 55) !default; |
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$u-upload-deletable-height: 14px !default; |
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$u-upload-deletable-width: $u-upload-deletable-height; |
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$u-upload-deletable-boder-bottom-left-radius: 100px !default; |
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$u-upload-deletable-zIndex: 3 !default; |
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$u-upload-success-bottom: 0 !default; |
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$u-upload-success-right: 0 !default; |
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$u-upload-success-border-style: solid !default; |
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$u-upload-success-border-top-color: transparent !default; |
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$u-upload-success-border-left-color: transparent !default; |
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$u-upload-success-border-bottom-color: $u-success !default; |
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$u-upload-success-border-right-color: $u-upload-success-border-bottom-color; |
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$u-upload-success-border-width: 9px !default; |
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$u-upload-icon-top: 0px !default; |
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$u-upload-icon-right: 0px !default; |
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$u-upload-icon-h5-top: 1px !default; |
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$u-upload-icon-h5-right: 0 !default; |
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$u-upload-icon-width: 16px !default; |
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$u-upload-icon-height: $u-upload-icon-width; |
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$u-upload-success-icon-bottom: -10px !default; |
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$u-upload-success-icon-right: -10px !default; |
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$u-upload-status-right: 0 !default; |
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$u-upload-status-left: 0 !default; |
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$u-upload-status-bottom: 0 !default; |
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$u-upload-status-top: 0 !default; |
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$u-upload-status-bgColor: rgba(0, 0, 0, 0.5) !default; |
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$u-upload-status-icon-Zindex: 1 !default; |
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$u-upload-message-font-size: 12px !default; |
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$u-upload-message-color: #ffffff !default; |
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$u-upload-message-margin-top: 5px !default; |
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$u-upload-button-width: 80px !default; |
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$u-upload-button-height: $u-upload-button-width; |
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$u-upload-button-bgColor: rgb(244, 245, 247) !default; |
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$u-upload-button-border-radius: 2px !default; |
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$u-upload-botton-margin: 0 8px 8px 0 !default; |
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$u-upload-text-font-size: 11px !default; |
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$u-upload-text-color: $u-tips-color !default; |
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$u-upload-text-margin-top: 2px !default; |
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$u-upload-hover-bgColor: rgb(230, 231, 233) !default; |
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$u-upload-disabled-opacity: 0.5 !default; |
|
|
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.u-upload { |
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@include flex(column); |
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flex: 1; |
|
|
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&__wrap { |
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@include flex; |
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flex-wrap: wrap; |
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flex: row; |
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flex: 1; |
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gap: 30rpx; |
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&__preview { |
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border-radius: 16rpx; |
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position: relative; |
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@include flex; |
|
|
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&__image { |
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width: $u-upload-image-width; |
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height: $u-upload-image-height; |
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border-radius: 16rpx; |
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} |
|
|
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&__other { |
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width: $u-upload-image-width; |
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height: $u-upload-image-height; |
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background-color: $u-upload-other-bgColor; |
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flex: $u-upload-other-flex; |
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@include flex(column); |
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justify-content: center; |
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align-items: center; |
|
|
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&__text { |
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font-size: $u-upload-text-font-size; |
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color: $u-upload-text-color; |
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margin-top: $u-upload-text-margin-top; |
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} |
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} |
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} |
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} |
|
|
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&__deletable { |
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position: absolute; |
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// top: $u-upload-deletable-top; |
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// right: $u-upload-deletable-right; |
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// background-color: $u-upload-deletable-bgColor; |
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top: 0; |
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right: 0; |
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border-radius: 999px; |
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transform: translateX(50%) translateY(-50%); |
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// height: $u-upload-deletable-height; |
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// width: $u-upload-deletable-width; |
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@include flex; |
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// border-bottom-left-radius: $u-upload-deletable-boder-bottom-left-radius; |
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align-items: center; |
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justify-content: center; |
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z-index: $u-upload-deletable-zIndex; |
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&__icon { |
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transform: scale(0.7); |
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} |
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} |
|
|
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&__success { |
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opacity: 0; |
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position: absolute; |
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bottom: $u-upload-success-bottom; |
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right: $u-upload-success-right; |
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@include flex; |
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// 由于weex(nvue)为阿里巴巴的KPI(部门业绩考核)的laji产物，不支持css绘制三角形 |
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// 所以在nvue下使用图片，非nvue下使用css实现 |
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/* #ifndef APP-NVUE */ |
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border-style: $u-upload-success-border-style; |
|
border-top-color: $u-upload-success-border-top-color; |
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border-left-color: $u-upload-success-border-left-color; |
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border-bottom-color: $u-upload-success-border-bottom-color; |
|
border-right-color: $u-upload-success-border-right-color; |
|
border-width: $u-upload-success-border-width; |
|
align-items: center; |
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justify-content: center; |
|
/* #endif */ |
|
|
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&__icon { |
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/* #ifndef APP-NVUE */ |
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position: absolute; |
|
transform: scale(0.7); |
|
bottom: $u-upload-success-icon-bottom; |
|
right: $u-upload-success-icon-right; |
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/* #endif */ |
|
/* #ifdef APP-NVUE */ |
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width: $u-upload-icon-width; |
|
height: $u-upload-icon-height; |
|
/* #endif */ |
|
} |
|
} |
|
|
|
&__status { |
|
position: absolute; |
|
top: $u-upload-status-top; |
|
bottom: $u-upload-status-bottom; |
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left: $u-upload-status-left; |
|
right: $u-upload-status-right; |
|
background-color: $u-upload-status-bgColor; |
|
@include flex(column); |
|
align-items: center; |
|
justify-content: center; |
|
|
|
&__icon { |
|
position: relative; |
|
z-index: $u-upload-status-icon-Zindex; |
|
} |
|
|
|
&__message { |
|
font-size: $u-upload-message-font-size; |
|
color: $u-upload-message-color; |
|
margin-top: $u-upload-message-margin-top; |
|
} |
|
} |
|
|
|
&__button { |
|
@include flex(column); |
|
align-items: center; |
|
justify-content: center; |
|
width: $u-upload-button-width; |
|
height: $u-upload-button-height; |
|
background-color: $u-upload-button-bgColor; |
|
// border-radius: $u-upload-button-border-radius; |
|
margin: $u-upload-botton-margin; |
|
border-radius: 16rpx; |
|
/* #ifndef APP-NVUE */ |
|
box-sizing: border-box; |
|
/* #endif */ |
|
|
|
&__text { |
|
font-size: $u-upload-text-font-size; |
|
color: $u-upload-text-color; |
|
margin-top: $u-upload-text-margin-top; |
|
} |
|
|
|
&--hover { |
|
background-color: $u-upload-hover-bgColor; |
|
} |
|
|
|
&--disabled { |
|
opacity: $u-upload-disabled-opacity; |
|
} |
|
} |
|
} |
|
</style>
|
|
|