uni-app引入使用uView

yudao-ui-app/uni_modules/uview-ui/components/u-upload/u-upload.vue

@@ -0,0 +1,556 @@
+<template>
+	<view class="u-upload" :style="[$u.addStyle(customStyle)]">
+		<view class="u-upload__wrap" >
+			<template v-if="previewImage">
+				<view
+				    class="u-upload__wrap__preview"
+				    v-for="(item, index) in lists"
+				    :key="index"
+				>
+					<image
+					    v-if="item.isImage || (item.type && item.type === 'image')"
+					    :src="item.thumb || item.url"
+					    :mode="imageMode"
+					    class="u-upload__wrap__preview__image"
+					    @tap="onPreviewImage(item)"
+						:style="[{
+							width: $u.addUnit(width),
+							height: $u.addUnit(height)
+						}]"
+					/>
+					<view
+					    v-else
+					    class="u-upload__wrap__preview__other"
+					>
+						<u-icon
+						    color="#80CBF9"
+						    size="26"
+						    :name="item.isVideo || (item.type && item.type === 'video') ? 'movie' : 'folder'"
+						></u-icon>
+						<text class="u-upload__wrap__preview__other__text">{{item.isVideo || (item.type && item.type === 'video') ? '视频' : '文件'}}</text>
+					</view>
+					<view
+					    class="u-upload__status"
+					    v-if="item.status === 'uploading' || item.status === 'failed'"
+					>
+						<view class="u-upload__status__icon">
+							<u-icon
+							    v-if="item.status === 'failed'"
+							    name="close-circle"
+							    color="#ffffff"
+							    size="25"
+							/>
+							<u-loading-icon
+							    size="22"
+							    mode="circle"
+							    color="#ffffff"
+							    v-else
+							/>
+						</view>
+						<text
+						    v-if="item.message"
+						    class="u-upload__status__message"
+						>{{ item.message }}</text>
+					</view>
+					<view
+					    class="u-upload__deletable"
+					    v-if="item.status !== 'uploading' && (deletable || item.deletable)"
+					    @tap.stop="deleteItem(index)"
+					>
+						<view class="u-upload__deletable__icon">
+							<u-icon
+							    name="close"
+							    color="#ffffff"
+							    size="10"
+							></u-icon>
+						</view>
+					</view>
+					<view
+					    class="u-upload__success"
+					    v-if="item.status === 'success'"
+					>
+						<!-- #ifdef APP-NVUE -->
+						<image
+						    :src="successIcon"
+						    class="u-upload__success__icon"
+						></image>
+						<!-- #endif -->
+						<!-- #ifndef APP-NVUE -->
+						<view class="u-upload__success__icon">
+							<u-icon
+							    name="checkmark"
+							    color="#ffffff"
+							    size="12"
+							></u-icon>
+						</view>
+						<!-- #endif -->
+					</view>
+				</view>
+				
+			</template>
+			
+			<template v-if="isInCount">
+				<view
+				    v-if="$slots.default || $slots.$default"
+				    @tap="chooseFile"
+				>
+					<slot />
+				</view>
+				<view
+				    v-else
+				    class="u-upload__button"
+				    :hover-class="!disabled ? 'u-upload__button--hover' : ''"
+				    hover-stay-time="150"
+				    @tap="chooseFile"
+				    :class="[disabled && 'u-upload__button--disabled']"
+					:style="[{
+						width: $u.addUnit(width),
+						height: $u.addUnit(height)
+					}]"
+				>
+					<u-icon
+					    :name="uploadIcon"
+					    size="26"
+					    :color="uploadIconColor"
+					></u-icon>
+					<text
+					    v-if="uploadText"
+					    class="u-upload__button__text"
+					>{{ uploadText }}</text>
+				</view>
+			</template>
+		</view>
+
+	</view>
+</template>
+
+<script>
+	import {
+		chooseFile
+	} from './utils';
+	import mixin from './mixin.js';
+	import props from './props.js';
+
+	/**
+	 * upload 上传
+	 * @description 该组件用于上传图片场景
+	 * @tutorial https://uviewui.com/components/upload.html
+	 * @property {String}			accept				接受的文件类型, 可选值为all media image file video （默认 'image' ）
+	 * @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'] ）
+	 * @property {Boolean}			compressed			当accept为video时生效，是否压缩视频，默认为true（默认 true ）
+	 * @property {String}			camera				当accept为video时生效，可选值为back或front（默认 'back' ）
+	 * @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 ）
+	 * @property {String}			uploadIcon			上传区域的图标，只能内置图标（默认 'camera-fill' ）
+	 * @property {String}			uploadIconColor		上传区域的图标的字体颜色，只能内置图标（默认 #D3D4D6 ）
+	 * @property {Boolean}			useBeforeRead		是否开启文件读取前事件（默认 false ）
+	 * @property {Boolean}			previewFullImage	是否显示组件自带的图片预览功能（默认 true ）
+	 * @property {String | Number}	maxCount			最大上传数量（默认 52 ）
+	 * @property {Boolean}			disabled			是否启用（默认 false ）
+	 * @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' ）
+	 * @property {String}			name				标识符，可以在回调函数的第二项参数中获取
+	 * @property {Array}			sizeType			所选的图片的尺寸, 可选值为original compressed（默认 ['original', 'compressed'] ）
+	 * @property {Boolean}			multiple			是否开启图片多选，部分安卓机型不支持 （默认 false ）
+	 * @property {Boolean}			deletable			是否展示删除按钮（默认 true ）
+	 * @property {String | Number}	maxSize				文件大小限制，单位为byte （默认 Number.MAX_VALUE ）
+	 * @property {Array}			fileList			显示已上传的文件列表
+	 * @property {String}			uploadText			上传区域的提示文字
+	 * @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 ）
+	 * @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 ）
+	 * @property {Object}			customStyle			组件的样式，对象形式
+	 * @event {Function} afterRead		读取后的处理函数
+	 * @event {Function} beforeRead		读取前的处理函数
+	 * @event {Function} oversize		文件超出大小限制
+	 * @event {Function} clickPreview	点击预览图片
+	 * @event {Function} delete 		删除图片
+	 * @example <u-upload :action="action" :fileList="fileList" ></u-upload>
+	 */
+	export default {
+		name: "u-upload",
+		mixins: [uni.$u.mpMixin, uni.$u.mixin, mixin,props],
+		data() {
+			return {
+				// #ifdef APP-NVUE
+				successIcon: 'data:image/png;base64,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',
+				// #endif
+				lists: [],
+				isInCount: true,
+			}
+		},
+		watch: {
+			// 监听文件列表的变化，重新整理内部数据
+			fileList: {
+				immediate: true,
+				handler() {
+					this.formatFileList()
+				}
+			},
+		},
+		methods: {
+			formatFileList() {
+				const {
+					fileList = [], maxCount
+				} = this;
+				const lists = fileList.map((item) =>
+					Object.assign(Object.assign({}, item), {
+						// 如果item.url为本地选择的blob文件的话，无法判断其为video还是image，此处优先通过accept做判断处理
+						isImage: this.accept === 'image' || uni.$u.test.image(item.url || item.thumb),
+						isVideo: this.accept === 'video' || uni.$u.test.video(item.url || item.thumb),
+						deletable: typeof(item.deletable) === 'boolean' ? item.deletable : this.deletable,
+					})
+				);
+				this.lists = lists
+				this.isInCount = lists.length < maxCount
+			},
+			chooseFile() {
+				const {
+					maxCount,
+					multiple,
+					lists,
+					disabled
+				} = this;
+				if (disabled) return;
+				// 如果用户传入的是字符串，需要格式化成数组
+				let capture;
+				try {
+					capture = uni.$u.test.array(this.capture) ? this.capture : this.capture.split(',');
+				}catch(e) {
+					capture = [];
+				}
+				chooseFile(
+						Object.assign({
+							accept: this.accept,
+							multiple: this.multiple,
+							capture: capture,
+							compressed: this.compressed,
+							maxDuration: this.maxDuration,
+							sizeType: this.sizeType,
+							camera: this.camera,
+						}, {
+							maxCount: maxCount - lists.length,
+						})
+					)
+					.then((res) => {
+						this.onBeforeRead(multiple ? res : res[0]);
+					})
+					.catch((error) => {
+						this.$emit('error', error);
+					});
+			},
+			// 文件读取之前
+			onBeforeRead(file) {
+				const {
+					beforeRead,
+					useBeforeRead,
+				} = this;
+				let res = true
+				// beforeRead是否为一个方法
+				if (uni.$u.test.func(beforeRead)) {
+					// 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
+					res = beforeRead(file, this.getDetail());
+				}
+				if (useBeforeRead) {
+					res = new Promise((resolve, reject) => {
+						this.$emit(
+							'beforeRead',
+							Object.assign(Object.assign({
+								file
+							}, this.getDetail()), {
+								callback: (ok) => {
+									ok ? resolve() : reject();
+								},
+							})
+						);
+					});
+				}
+				if (!res) {
+					return;
+				}
+				if (uni.$u.test.promise(res)) {
+					res.then((data) => this.onAfterRead(data || file));
+				} else {
+					this.onAfterRead(file);
+				}
+			},
+			getDetail(index) {
+				return {
+					name: this.name,
+					index: index == null ? this.fileList.length : index,
+				};
+			},
+			onAfterRead(file) {
+				const {
+					maxSize,
+					afterRead
+				} = this;
+				const oversize = Array.isArray(file) ?
+					file.some((item) => item.size > maxSize) :
+					file.size > maxSize;
+				if (oversize) {
+					this.$emit('oversize', Object.assign({
+						file
+					}, this.getDetail()));
+					return;
+				}
+				if (typeof afterRead === 'function') {
+					afterRead(file, this.getDetail());
+				}
+				this.$emit('afterRead', Object.assign({
+					file
+				}, this.getDetail()));
+			},
+			deleteItem(index) {
+				this.$emit(
+					'delete',
+					Object.assign(Object.assign({}, this.getDetail(index)), {
+						file: this.fileList[index],
+					})
+				);
+			},
+			// 预览图片
+			onPreviewImage(item) {
+				if (!item.isImage || !this.previewFullImage) return
+				uni.previewImage({
+					// 先filter找出为图片的item，再返回filter结果中的图片url
+					urls: this.lists.filter((item) => this.accept === 'image' || uni.$u.test.image(item.url || item.thumb)).map((item) => item.url || item.thumb),
+					current: item.url || item.thumb,
+					fail() {
+						uni.$u.toast('预览图片失败')
+					},
+				});
+			},
+			onPreviewVideo(event) {
+				if (!this.data.previewFullImage) return;
+				const {
+					index
+				} = event.currentTarget.dataset;
+				const {
+					lists
+				} = this.data;
+				wx.previewMedia({
+					sources: lists
+						.filter((item) => isVideoFile(item))
+						.map((item) =>
+							Object.assign(Object.assign({}, item), {
+								type: 'video'
+							})
+						),
+					current: index,
+					fail() {
+						uni.$u.toast('预览视频失败')
+					},
+				});
+			},
+			onClickPreview(event) {
+				const {
+					index
+				} = event.currentTarget.dataset;
+				const item = this.data.lists[index];
+				this.$emit(
+					'clickPreview',
+					Object.assign(Object.assign({}, item), this.getDetail(index))
+				);
+			}
+		}
+	}
+</script>
+
+<style lang="scss" scoped>
+	@import '../../libs/css/components.scss';
+	$u-upload-preview-border-radius: 2px !default;
+	$u-upload-preview-margin: 0 8px 8px 0 !default;
+	$u-upload-image-width:80px !default;
+	$u-upload-image-height:$u-upload-image-width;
+	$u-upload-other-bgColor: rgb(242, 242, 242) !default;
+	$u-upload-other-flex:1 !default;
+	$u-upload-text-font-size:11px !default;
+	$u-upload-text-color:$u-tips-color !default;
+	$u-upload-text-margin-top:2px !default;
+	$u-upload-deletable-right:0 !default;
+	$u-upload-deletable-top:0 !default;
+	$u-upload-deletable-bgColor:rgb(55, 55, 55) !default;
+	$u-upload-deletable-height:14px !default;
+	$u-upload-deletable-width:$u-upload-deletable-height;
+	$u-upload-deletable-boder-bottom-left-radius:100px !default;
+	$u-upload-deletable-zIndex:3 !default;
+	$u-upload-success-bottom:0 !default;
+	$u-upload-success-right:0 !default;
+	$u-upload-success-border-top-color:transparent !default;
+	$u-upload-success-border-left-color:transparent !default;
+	$u-upload-success-border-bottom-color: $u-success !default;
+	$u-upload-success-border-right-color:$u-upload-success-border-bottom-color;
+	$u-upload-success-border-width:9px !default;
+	$u-upload-icon-top:0px !default;
+	$u-upload-icon-right:0px !default;
+	$u-upload-icon-h5-top:1px !default;
+	$u-upload-icon-h5-right:0 !default;
+	$u-upload-icon-width:16px !default;
+	$u-upload-icon-height:$u-upload-icon-width;
+	$u-upload-success-icon-bottom:-10px !default;
+	$u-upload-success-icon-right:-10px !default;
+	$u-upload-status-right:0 !default;
+	$u-upload-status-left:0 !default;
+	$u-upload-status-bottom:0 !default;
+	$u-upload-status-top:0 !default;
+	$u-upload-status-bgColor:rgba(0, 0, 0, 0.5) !default;
+	$u-upload-status-icon-Zindex:1 !default;
+	$u-upload-message-font-size:12px !default;
+	$u-upload-message-color:#FFFFFF !default;
+	$u-upload-message-margin-top:5px !default;
+	$u-upload-button-width:80px !default;
+	$u-upload-button-height:$u-upload-button-width;
+	$u-upload-button-bgColor:rgb(244, 245, 247) !default;
+	$u-upload-button-border-radius:2px !default;
+	$u-upload-botton-margin: 0 8px 8px 0 !default;
+	$u-upload-text-font-size:11px !default;
+	$u-upload-text-color:$u-tips-color !default;
+	$u-upload-text-margin-top: 2px !default;
+	$u-upload-hover-bgColor:rgb(230, 231, 233) !default;
+	$u-upload-disabled-opacity:.5 !default;
+
+	.u-upload {
+		@include flex(column);
+		flex: 1;
+
+		&__wrap {
+			@include flex;
+			flex-wrap: wrap;
+			flex: 1;
+
+			&__preview {
+				border-radius: $u-upload-preview-border-radius;
+				margin: $u-upload-preview-margin;
+				position: relative;
+				overflow: hidden;
+				@include flex;
+
+				&__image {
+					width: $u-upload-image-width;
+					height: $u-upload-image-height;
+				}
+
+				&__other {
+					width: $u-upload-image-width;
+					height: $u-upload-image-height;
+					background-color: $u-upload-other-bgColor;
+					flex: $u-upload-other-flex;
+					@include flex(column);
+					justify-content: center;
+					align-items: center;
+
+					&__text {
+						font-size: $u-upload-text-font-size;
+						color: $u-upload-text-color;
+						margin-top: $u-upload-text-margin-top;
+					}
+				}
+			}
+		}
+
+		&__deletable {
+			position: absolute;
+			top: $u-upload-deletable-top;
+			right: $u-upload-deletable-right;
+			background-color: $u-upload-deletable-bgColor;
+			height: $u-upload-deletable-height;
+			width: $u-upload-deletable-width;
+			@include flex;
+			border-bottom-left-radius: $u-upload-deletable-boder-bottom-left-radius;
+			align-items: center;
+			justify-content: center;
+			z-index: $u-upload-deletable-zIndex;
+
+			&__icon {
+				position: absolute;
+				transform: scale(0.7);
+				top: $u-upload-icon-top;
+				right: $u-upload-icon-right;
+				/* #ifdef H5 */
+				top: $u-upload-icon-h5-top;
+				right: $u-upload-icon-h5-right;
+				/* #endif */
+			}
+		}
+
+		&__success {
+			position: absolute;
+			bottom: $u-upload-success-bottom;
+			right: $u-upload-success-right;
+			@include flex;
+			// 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
+			// 所以在nvue下使用图片，非nvue下使用css实现
+			/* #ifndef APP-NVUE */
+			border-top-color: $u-upload-success-border-top-color;
+			border-left-color: $u-upload-success-border-left-color;
+			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;
+			justify-content: center;
+			/* #endif */
+
+			&__icon {
+				/* #ifndef APP-NVUE */
+				position: absolute;
+				transform: scale(0.7);
+				bottom: $u-upload-success-icon-bottom;
+				right: $u-upload-success-icon-right;
+				/* #endif */
+				/* #ifdef APP-NVUE */
+				width: $u-upload-icon-width;
+				height: $u-upload-icon-height;
+				/* #endif */
+			}
+		}
+
+		&__status {
+			position: absolute;
+			top: $u-upload-status-top;
+			bottom: $u-upload-status-bottom;
+			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;
+			/* #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>