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@@ -0,0 +1,611 @@
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+<template>
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+ <view class="u-upload" v-if="!disabled">
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+ <view
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+ v-if="showUploadList"
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+ class="u-list-item u-preview-wrap"
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+ v-for="(item, index) in lists"
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+ :key="index"
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+ :style="{
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+ width: width + 'rpx',
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+ height: width + 'rpx'
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+ }"
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+ >
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+ <view
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+ v-if="deletable"
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+ class="u-delete-icon"
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+ @tap.stop="deleteItem(index)"
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+ :style="{
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+ background: delBgColor
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+ }"
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+ >
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+ <u-icon class="u-icon" :name="delIcon" size="20" :color="delColor"></u-icon>
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+ </view>
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+ <u-line-progress
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+ v-if="showProgress && item.progress > 0 && !item.error"
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+ :show-percent="false"
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+ height="16"
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+ class="u-progress"
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+ :percent="item.progress"
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+ ></u-line-progress>
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+ <view @tap.stop="retry(index)" v-if="item.error" class="u-error-btn">点击重试</view>
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+ <image @tap.stop="doPreviewImage(item.url || item.path, index)" class="u-preview-image" v-if="!item.isImage" :src="item.url || item.path" :mode="imageMode"></image>
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+ </view>
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+ <slot name="file" :file="lists"></slot>
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+ <view style="display: inline-block;" @tap="selectFile" v-if="maxCount > lists.length">
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+ <slot name="addBtn"></slot>
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+ <view
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+ v-if="!customBtn"
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+ class="u-list-item u-add-wrap"
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+ hover-class="u-add-wrap__hover"
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+ hover-stay-time="150"
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+ :style="{
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+ width: width + 'rpx',
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+ height: width + 'rpx'
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+ }"
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+ >
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+ <u-icon name="plus" class="u-add-btn" size="40"></u-icon>
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+ <view class="u-add-tips">{{ uploadText }}</view>
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+ </view>
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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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+/**
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+ * upload 图片上传
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+ * @description 该组件用于上传图片场景
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+ * @tutorial https://www.uviewui.com/components/upload.html
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+ * @property {String} action 服务器上传地址
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+ * @property {String Number} max-count 最大选择图片的数量(默认99)
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+ * @property {Boolean} custom-btn 如果需要自定义选择图片的按钮,设置为true(默认false)
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+ * @property {Boolean} show-progress 是否显示进度条(默认true)
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+ * @property {Boolean} disabled 是否启用(显示/移仓)组件(默认false)
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+ * @property {String} image-mode 预览图片等显示模式,可选值为uni的image的mode属性值(默认aspectFill)
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+ * @property {String} del-icon 右上角删除图标名称,只能为uView内置图标
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+ * @property {String} del-bg-color 右上角关闭按钮的背景颜色
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+ * @property {String} del-color 右上角关闭按钮图标的颜色
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+ * @property {Object} header 上传携带的头信息,对象形式
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+ * @property {Object} form-data 上传额外携带的参数
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+ * @property {String} name 上传文件的字段名,供后端获取使用(默认file)
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+ * @property {Array<String>} size-type original 原图,compressed 压缩图,默认二者都有(默认['original', 'compressed'])
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+ * @property {Array<String>} source-type 选择图片的来源,album-从相册选图,camera-使用相机,默认二者都有(默认['album', 'camera'])
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+ * @property {Boolean} preview-full-image 是否可以通过uni.previewImage预览已选择的图片(默认true)
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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true)
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+ * @property {Boolean} deletable 是否显示删除图片的按钮(默认true)
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+ * @property {String Number} max-size 选择单个文件的最大大小,单位B(byte),默认不限制(默认Number.MAX_VALUE)
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+ * @property {Array<Object>} file-list 默认显示的图片列表,数组元素为对象,必须提供url属性
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+ * @property {Boolean} upload-text 选择图片按钮的提示文字(默认“选择图片”)
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+ * @property {Boolean} auto-upload 选择完图片是否自动上传,见上方说明(默认true)
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+ * @property {Boolean} show-tips 特殊情况下是否自动提示toast,见上方说明(默认true)
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+ * @property {Boolean} show-upload-list 是否显示组件内部的图片预览(默认true)
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+ * @event {Function} on-oversize 图片大小超出最大允许大小
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+ * @event {Function} on-preview 全屏预览图片时触发
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+ * @event {Function} on-remove 移除图片时触发
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+ * @event {Function} on-success 图片上传成功时触发
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+ * @event {Function} on-change 图片上传后,无论成功或者失败都会触发
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+ * @event {Function} on-error 图片上传失败时触发
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+ * @event {Function} on-progress 图片上传过程中的进度变化过程触发
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+ * @event {Function} on-uploaded 所有图片上传完毕触发
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+ * @event {Function} on-choose-complete 每次选择图片后触发,只是让外部可以得知每次选择后,内部的文件列表
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+ * @example <u-upload :action="action" :file-list="fileList" ></u-upload>
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+ */
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+
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+import uploadImage from '@/components/ossutil/uploadFile.js';
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+export default {
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+ name: 'upload',
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+ props: {
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+ //是否显示组件自带的图片预览功能
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+ showUploadList: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 后端地址
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+ action: {
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+ type: String,
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+ default: ''
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+ },
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+ // 最大上传数量
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+ maxCount: {
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+ type: [String, Number],
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+ default: 52
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+ },
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+ // 是否显示进度条
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+ showProgress: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 是否启用
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+ disabled: {
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+ type: Boolean,
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+ default: false
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+ },
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+ // 预览上传的图片时的裁剪模式,和image组件mode属性一致
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+ imageMode: {
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+ type: String,
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+ default: 'aspectFill'
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+ },
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+ // 头部信息
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+ header: {
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+ type: Object,
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+ default() {
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+ return {};
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+ }
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+ },
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+ // 额外携带的参数
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+ formData: {
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+ type: Object,
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+ default() {
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+ return {};
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+ }
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+ },
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+ // 上传的文件字段名
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+ name: {
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+ type: String,
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+ default: 'file'
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+ },
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+ // 所选的图片的尺寸, 可选值为original compressed
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+ sizeType: {
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+ type: Array,
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+ default() {
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+ return ['original', 'compressed'];
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+ }
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+ },
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+ sourceType: {
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+ type: Array,
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+ default() {
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+ return ['album', 'camera'];
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+ }
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+ },
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+ // 是否在点击预览图后展示全屏图片预览
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+ previewFullImage: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 是否开启图片多选,部分安卓机型不支持
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+ multiple: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 是否展示删除按钮
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+ deletable: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 文件大小限制,单位为byte
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+ maxSize: {
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+ type: [String, Number],
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+ default: Number.MAX_VALUE
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+ },
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+ // 显示已上传的文件列表
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+ fileList: {
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+ type: Array,
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+ default() {
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+ return [];
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+ }
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+ },
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+ // 上传区域的提示文字
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+ uploadText: {
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+ type: String,
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+ default: '选择图片'
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+ },
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+ // 是否自动上传
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+ autoUpload: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 是否显示toast消息提示
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+ showTips: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 是否通过slot自定义传入选择图标的按钮
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+ customBtn: {
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+ type: Boolean,
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+ default: false
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+ },
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+ // 内部预览图片区域和选择图片按钮的区域宽度,高等于宽
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+ width: {
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+ type: [String, Number],
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+ default: 200
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+ },
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+ // 右上角关闭按钮的背景颜色
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+ delBgColor: {
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+ type: String,
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+ default: '#fa3534'
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+ },
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+ // 右上角关闭按钮的叉号图标的颜色
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+ delColor: {
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+ type: String,
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+ default: '#ffffff'
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+ },
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+ // 右上角删除图标名称,只能为uView内置图标
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+ delIcon: {
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+ type: String,
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+ default: 'close'
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+ },
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+ // 如果上传后的返回值为json字符串,是否自动转json
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+ toJson: {
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+ type: Boolean,
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+ default: true
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+ },
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+ // 上传前的钩子,每个文件上传前都会执行
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+ beforeUpload: {
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+ type: Function,
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+ default: null
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+ }
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+ },
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+ mounted() {},
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+ data() {
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+ return {
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+ lists: [],
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+ isInCount: true,
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+ uploading: false
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+ };
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+ },
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+ watch: {
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+ fileList: {
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+ immediate: true,
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+ handler(val) {
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+ val.map(value => {
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+ this.lists.push({ url: value.url, error: false, progress: 100 });
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+ });
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+ }
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+ }
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+ },
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+ methods: {
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+ // 清除列表
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+ clear() {
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+ this.lists = [];
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+ // 如果是清空形式的话,发出"on-list-change"事件
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+ this.$emit('on-list-change', this.lists);
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+ },
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+ // 重新上传队列中上传失败的所有文件
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+ reUpload() {
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+ this.uploadFile();
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+ },
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+ // 选择图片
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+ selectFile() {
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+ if (this.disabled) return;
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+ const { name = '', maxCount, multiple, maxSize, sizeType, lists, camera, compressed, maxDuration, sourceType } = this;
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+ let chooseFile = null;
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+ const newMaxCount = maxCount - lists.length;
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+ // 设置为只选择图片的时候使用 chooseImage 来实现
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+ chooseFile = new Promise((resolve, reject) => {
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+ uni.chooseImage({
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+ count: multiple ? (newMaxCount > 9 ? 9 : newMaxCount) : 1,
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+ sourceType: sourceType,
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+ sizeType,
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+ success: resolve,
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+ fail: reject
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+ });
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+ });
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+ chooseFile
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+ .then(res => {
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+ let file = null;
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+ let listOldLength = this.lists.length;
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+ res.tempFiles.map((val, index) => {
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+ // 如果是非多选,index大于等于1或者超出最大限制数量时,不处理
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+ if (!multiple && index >= 1) return;
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+ if (val.size > maxSize) {
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+ this.$emit('on-oversize', val, this.lists);
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+ this.showToast('超出允许的文件大小');
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+ } else {
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+ if (maxCount <= lists.length) {
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+ this.$emit('on-exceed', val, this.lists);
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+ this.showToast('超出最大允许的文件个数');
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+ return;
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+ }
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+ let fileName = '';
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+ let fileNameLength='';
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+ let fileFormat = '';
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+ //#ifdef H5
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+ fileName = val.name.lastIndexOf(".");
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+ fileNameLength = val.name.length;
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+ fileFormat = val.name.substring(fileName + 1, fileNameLength).toLowerCase();
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+ //#endif
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+ //#ifndef H5
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+ fileName = val.path.lastIndexOf(".");
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+ fileNameLength = val.path.length;
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+ fileFormat = val.path.substring(fileName + 1, fileNameLength).toLowerCase();
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+ //#endif
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+ lists.push({
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+ url: val.path,
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+ fileType: fileFormat,
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+ progress: 0,
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+ error: false
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+ });
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+ // 列表发生改变,发出事件,第二个参数为当前发生变化的项的索引
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+ this.$emit('on-list-change', this.lists);
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+ }
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+ });
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+ // 每次图片选择完,抛出一个事件,并将当前内部选择的图片数组抛出去
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+ this.$emit('on-choose-complete', this.lists);
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+ if (this.autoUpload) this.uploadFile(listOldLength);
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+ })
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+ .catch(error => {
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+ // this.$emit('on-error', error);
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+ });
|
|
|
|
+ },
|
|
|
|
+ // 提示用户消息
|
|
|
|
+ showToast(message, force = false) {
|
|
|
|
+ if (this.showTips || force) {
|
|
|
|
+ uni.showToast({
|
|
|
|
+ title: message,
|
|
|
|
+ icon: 'none'
|
|
|
|
+ });
|
|
|
|
+ }
|
|
|
|
+ },
|
|
|
|
+ // 该方法供用户通过ref调用,手动上传
|
|
|
|
+ upload() {
|
|
|
|
+ this.uploadFile();
|
|
|
|
+ },
|
|
|
|
+ // 对失败的图片重新上传
|
|
|
|
+ retry(index) {
|
|
|
|
+ this.lists[index].progress = 0;
|
|
|
|
+ this.lists[index].error = false;
|
|
|
|
+ this.lists[index].response = null;
|
|
|
|
+ uni.showLoading({
|
|
|
|
+ title: '重新上传'
|
|
|
|
+ });
|
|
|
|
+ this.uploadFile(index);
|
|
|
|
+ },
|
|
|
|
+ // 上传图片
|
|
|
|
+ async uploadFile(index = 0) {
|
|
|
|
+ if (this.disabled) return;
|
|
|
|
+ if (this.uploading) return;
|
|
|
|
+ // 全部上传完成
|
|
|
|
+ if (index >= this.lists.length) {
|
|
|
|
+ this.$emit('on-uploaded', this.lists);
|
|
|
|
+ return;
|
|
|
|
+ }
|
|
|
|
+ // 检查上传地址
|
|
|
|
+ if (!this.action) {
|
|
|
|
+ this.showToast('请配置上传地址', true);
|
|
|
|
+ return;
|
|
|
|
+ }
|
|
|
|
+ // 检查是否是已上传或者正在上传中
|
|
|
|
+ if (this.lists[index].progress == 100) {
|
|
|
|
+ if (this.autoUpload == false) this.uploadFile(index + 1);
|
|
|
|
+ return;
|
|
|
|
+ }
|
|
|
|
+ // 执行before-upload钩子
|
|
|
|
+ if(this.beforeUpload && typeof(this.beforeUpload) === 'function') {
|
|
|
|
+ // 执行回调,同时传入索引和文件列表当作参数
|
|
|
|
+ let beforeResponse = this.beforeUpload(index, this.lists);
|
|
|
|
+ // 判断是否返回了promise
|
|
|
|
+ if (!!beforeResponse && typeof beforeResponse.then === 'function') {
|
|
|
|
+ await beforeResponse.then(res => {
|
|
|
|
+ // promise返回成功,不进行动作,继续上传
|
|
|
|
+ }).catch(err => {
|
|
|
|
+ // 进入catch回调的话,继续下一张
|
|
|
|
+ return this.uploadFile(index + 1);
|
|
|
|
+ })
|
|
|
|
+ } else if(beforeResponse === false) {
|
|
|
|
+ // 如果返回false,继续下一张图片的上传
|
|
|
|
+ return this.uploadFile(index + 1);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ this.lists[index].error = false;
|
|
|
|
+ this.uploading = true;
|
|
|
|
+ uploadImage(this.lists[index].url, 'appData/',
|
|
|
|
+ result => {
|
|
|
|
+ // 上传成功
|
|
|
|
+ this.lists[index].response = result;
|
|
|
|
+ this.lists[index].progress = 0;
|
|
|
|
+ this.lists[index].error = false;
|
|
|
|
+ this.$emit('on-success', result, index, this.lists);
|
|
|
|
+ }
|
|
|
|
+ )
|
|
|
|
+ // // 创建上传对象
|
|
|
|
+ // const task = uni.uploadFile({
|
|
|
|
+ // url: this.action,
|
|
|
|
+ // filePath: this.lists[index].url,
|
|
|
|
+ // name: this.name,
|
|
|
|
+ // formData: this.formData,
|
|
|
|
+ // header: this.header,
|
|
|
|
+ // success: res => {
|
|
|
|
+ // // 判断是否json字符串,将其转为json格式
|
|
|
|
+ // let data = this.toJson && this.checkIsJSON(res.data) ? JSON.parse(res.data) : res.data;
|
|
|
|
+ // if (![200, 201].includes(res.statusCode)) {
|
|
|
|
+ // this.uploadError(index, data);
|
|
|
|
+ // } else {
|
|
|
|
+ // // 上传成功
|
|
|
|
+ // this.lists[index].response = data;
|
|
|
|
+ // this.lists[index].progress = 0;
|
|
|
|
+ // this.lists[index].error = false;
|
|
|
|
+ // this.$emit('on-success', data, index, this.lists);
|
|
|
|
+ // }
|
|
|
|
+ // },
|
|
|
|
+ // fail: e => {
|
|
|
|
+ // this.uploadError(index, e);
|
|
|
|
+ // },
|
|
|
|
+ // complete: res => {
|
|
|
|
+ // uni.hideLoading();
|
|
|
|
+ // this.uploading = false;
|
|
|
|
+ // this.uploadFile(index + 1);
|
|
|
|
+ // this.$emit('on-change', res, index, this.lists);
|
|
|
|
+ // }
|
|
|
|
+ // });
|
|
|
|
+ // task.onProgressUpdate(res => {
|
|
|
|
+ // if (res.progress > 0) {
|
|
|
|
+ // this.lists[index].progress = res.progress;
|
|
|
|
+ // this.$emit('on-progress', res, index, this.lists);
|
|
|
|
+ // }
|
|
|
|
+ // });
|
|
|
|
+ },
|
|
|
|
+ // 上传失败
|
|
|
|
+ uploadError(index, err) {
|
|
|
|
+ this.lists[index].progress = 0;
|
|
|
|
+ this.lists[index].error = true;
|
|
|
|
+ this.lists[index].response = null;
|
|
|
|
+ this.$emit('on-error', err, index, this.lists);
|
|
|
|
+ this.showToast('上传失败,请重试');
|
|
|
|
+ },
|
|
|
|
+ // 删除一个图片
|
|
|
|
+ deleteItem(index) {
|
|
|
|
+ uni.showModal({
|
|
|
|
+ title: '提示',
|
|
|
|
+ content: '您确定要删除此项吗?',
|
|
|
|
+ success: res => {
|
|
|
|
+ if (res.confirm) {
|
|
|
|
+ if (this.lists[index].process < 100 && this.lists[index].process > 0) {
|
|
|
|
+ typeof this.lists[index].uploadTask != 'undefined' && this.lists[index].uploadTask.abort();
|
|
|
|
+ }
|
|
|
|
+ this.lists.splice(index, 1);
|
|
|
|
+ this.$forceUpdate();
|
|
|
|
+ this.$emit('on-remove', index, this.lists);
|
|
|
|
+ this.showToast('移除成功');
|
|
|
|
+ // 列表发生改变,发出事件
|
|
|
|
+ this.$emit('on-list-change', this.lists);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ });
|
|
|
|
+ },
|
|
|
|
+ // 用户通过ref手动的形式,移除一张图片
|
|
|
|
+ remove(index) {
|
|
|
|
+ // 判断索引的合法范围
|
|
|
|
+ if (index >= 0 && index < this.lists.length) {
|
|
|
|
+ this.lists.splice(index, 1);
|
|
|
|
+ this.$emit('on-list-change', this.lists);
|
|
|
|
+ }
|
|
|
|
+ },
|
|
|
|
+ // 预览图片
|
|
|
|
+ doPreviewImage(url, index) {
|
|
|
|
+ if (!this.previewFullImage) return;
|
|
|
|
+ const images = this.lists.map(item => item.url || item.path);
|
|
|
|
+ uni.previewImage({
|
|
|
|
+ urls: images,
|
|
|
|
+ current: url,
|
|
|
|
+ success: () => {
|
|
|
|
+ this.$emit('on-preview', url, this.lists);
|
|
|
|
+ },
|
|
|
|
+ fail: () => {
|
|
|
|
+ uni.showToast({
|
|
|
|
+ title: '预览图片失败',
|
|
|
|
+ icon: 'none'
|
|
|
|
+ });
|
|
|
|
+ }
|
|
|
|
+ });
|
|
|
|
+ },
|
|
|
|
+ // 判断是否json字符串
|
|
|
|
+ checkIsJSON(str) {
|
|
|
|
+ if (typeof str == 'string') {
|
|
|
|
+ try {
|
|
|
|
+ var obj = JSON.parse(str);
|
|
|
|
+ if (typeof obj == 'object' && obj) {
|
|
|
|
+ return true;
|
|
|
|
+ } else {
|
|
|
|
+ return false;
|
|
|
|
+ }
|
|
|
|
+ } catch (e) {
|
|
|
|
+ return false;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ return false;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+};
|
|
|
|
+</script>
|
|
|
|
+
|
|
|
|
+<style lang="scss" scoped>
|
|
|
|
+// nvue不能用标签命名样式
|
|
|
|
+/* #ifndef APP-NVUE */
|
|
|
|
+image {
|
|
|
|
+ display: inline-block;
|
|
|
|
+ // 解决图片加载时可能会瞬间变形的问题
|
|
|
|
+ will-change: transform;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+view,
|
|
|
|
+text {
|
|
|
|
+ box-sizing: border-box;
|
|
|
|
+ flex-direction: row;
|
|
|
|
+}
|
|
|
|
+/* #endif */
|
|
|
|
+.u-upload {
|
|
|
|
+ display: flex;
|
|
|
|
+ flex-wrap: wrap;
|
|
|
|
+ align-items: center;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-list-item {
|
|
|
|
+ width: 200rpx;
|
|
|
|
+ height: 200rpx;
|
|
|
|
+ overflow: hidden;
|
|
|
|
+ margin: 10rpx;
|
|
|
|
+ background: rgb(244, 245, 246);
|
|
|
|
+ position: relative;
|
|
|
|
+ border-radius: 10rpx;
|
|
|
|
+ display: inline-flex;
|
|
|
|
+ align-items: center;
|
|
|
|
+ justify-content: center;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-preview-wrap {
|
|
|
|
+ border: 1px solid rgb(235, 236, 238);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-add-wrap {
|
|
|
|
+ flex-direction: column;
|
|
|
|
+ color: $u-content-color;
|
|
|
|
+ font-size: 28rpx;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-add-tips {
|
|
|
|
+ margin-top: 20rpx;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-add-wrap__hover {
|
|
|
|
+ background-color: rgb(235, 236, 238);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-preview-image {
|
|
|
|
+ display: block;
|
|
|
|
+ width: 100%;
|
|
|
|
+ height: 100%;
|
|
|
|
+ border-radius: 10rpx;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-delete-icon {
|
|
|
|
+ position: absolute;
|
|
|
|
+ top: 10rpx;
|
|
|
|
+ right: 10rpx;
|
|
|
|
+ z-index: 10;
|
|
|
|
+ background-color: $u-type-error;
|
|
|
|
+ border-radius: 100rpx;
|
|
|
|
+ width: 44rpx;
|
|
|
|
+ height: 44rpx;
|
|
|
|
+ display: flex;
|
|
|
|
+ align-items: center;
|
|
|
|
+ justify-content: center;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-icon {
|
|
|
|
+ display: flex;
|
|
|
|
+ align-items: center;
|
|
|
|
+ justify-content: center;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-progress {
|
|
|
|
+ position: absolute;
|
|
|
|
+ bottom: 10rpx;
|
|
|
|
+ left: 8rpx;
|
|
|
|
+ right: 8rpx;
|
|
|
|
+ z-index: 9;
|
|
|
|
+ width: auto;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+.u-error-btn {
|
|
|
|
+ color: #ffffff;
|
|
|
|
+ background-color: $u-type-error;
|
|
|
|
+ font-size: 20rpx;
|
|
|
|
+ padding: 4px 0;
|
|
|
|
+ text-align: center;
|
|
|
|
+ position: absolute;
|
|
|
|
+ bottom: 0;
|
|
|
|
+ left: 0;
|
|
|
|
+ right: 0;
|
|
|
|
+ z-index: 9;
|
|
|
|
+ line-height: 1;
|
|
|
|
+}
|
|
|
|
+</style>
|