assess-app/components/en-from/en-upload/en-upload.vue

<template>
	<view class="con" :class="{'no-con':!showLabel}">
		<view class="con-title" v-if="showLabel">{{label}}</view>
		<movable-area class="area" :style="{ height: areaHeight }" @mouseenter="mouseenter" @mouseleave="mouseleave">
			<block v-for="(item, index) in imageList" :key="item.id">
				<movable-view class="view" :x="item.x" :y="item.y" direction="all" :damping="40"
					:disabled="item.disable" @change="onChange($event, item)" @touchstart="touchstart(item)"
					@mousedown="touchstart(item)" @touchend="touchend(item)" @mouseup="touchend(item)"
					:style="{ width: viewWidth + 'px', height: viewWidth + 'px', 'z-index': item.zIndex, opacity: item.opacity }">
					<view class="area-con" @click.stop="examineImgOne(index)"
						:style="{ width: childWidth, height: childWidth, transform: 'scale(' + item.scale + ')' }">
						<image class="pre-image"
							:src="item.src+(imgType===1?'':'?x-oss-process=video/snapshot,t_7000,f_jpg,w_600,h_0,m_fast')"
							mode="aspectFill"></image>
						<text v-if="imgType===2" class="bf-img iconfont"> &#xea82;</text>
						<view class="del-con" @click.stop="delImage(item, index)"
							@touchstart.stop="delImageMp(item, index)" @touchend.stop="nothing()"
							@mousedown.stop="nothing()" @mouseup.stop="nothing()">
							<view class="del-wrap">
								<!--                <image class="del-image"-->
								<!--                       src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAhCAYAAABX5MJvAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAhdEVYdENyZWF0aW9uIFRpbWUAMjAyMDowNzoyNSAyMTo1NDoyOU4TkJAAAADcSURBVFhH7ZfRCoMwDEXLvkjwwVf/bH/emmAyN6glTW9WBjsgwm28OeCLpj81Sil7zvlJ90UiONS/yY5VogsO6XrBg3IEQ5a/s8vRSWUAKmLqp2w5jz5BiNQEGMo3GbloDLtFXJ1IkaEuhAiiY6gEIqB4yqACSk9piIBiKQ8VUFpLviKg3C2rESKgWERCBZSWiEfgIfffYvrrsAgoISJ3Apy3zuTxcSxLQkV6ykNEPKVQkZEyiAiiZKgDIaC4upACSlcn5fM/+WuDCAHF1E/Z/N9AhkMZnPNDPI+UDjPIXgAQIGjNAAAAAElFTkSuQmCC">-->
								<!--                </image>-->
								<text class="del-image iconfont"> &#xe603;</text>
							</view>
						</view>
					</view>
				</movable-view>
			</block>
			<view class="add" v-if="imageList.length < number"
				:style="{ top: add.y, left: add.x, width: viewWidth + 'px', height: viewWidth + 'px' }"
				@click="showUploadingImg(true,0)">
				<view class="add-wrap" :style="{ width: childWidth, height: childWidth }">
					<view class="video-data">
						<text class="video-img iconfont">&#xe658;</text>
					</view>
				</view>
			</view>
			<uni-popup ref="popup" :safeArea="false" type="bottom" @change="closePopup">
				<view class="popup-block">
					<view class="popup-row" @click="selectMultimedia(1)">拍照</view>
					<view class="popup-row" @click="selectMultimedia(2)">从手机里面选择</view>
					<view class="popup-row" @click="showUploadingImg(false,0)">取消</view>
				</view>
			</uni-popup>
		</movable-area>
	</view>
</template>

<script>
	import tools from "@/service/tools";
	import txUploadFile from "@/service/txOssSts";

	export default {
		components: {

		},
		data() {
			return {
				imageList: [],
				previewList: [],
				width: 0,
				add: {
					x: 0,
					y: 0
				},
				current: 0,
				colsValue: 0,
				viewWidth: 0,
				tempItem: null,
				timer: null,
				changeStatus: true,
				preStatus: true,
				ossClient: null,
				isStart: true,
				isUploading: false
			}
		},
		props: {
			value: {
				type: Array,
				default: function() {
					return []
				}
			},
			showLabel: {
				type: Boolean,
				default: true
			},
			label: {
				type: String,
				default: '标题'
			},
			// 返回排序后图片
			list: {
				type: Array,
				default: function() {
					return []
				}
			},
			imgType: {
				type: Number,
				default: 1
			},
			fileNum: {
				type: Number,
				default: 9
			},
			// 选择图片数量限制
			number: {
				type: Number,
				default: 100
			},
			// 图片父容器宽度（实际显示的图片宽度为 imageWidth / 1.1 ），单位 rpx
			imageWidth: {
				type: Number,
				default: 180
			},
			// 图片列数（cols > 0 则 imageWidth 无效）
			cols: {
				type: Number,
				default: 0
			},
			// 图片周围空白填充，单位 rpx
			padding: {
				type: Number,
				default: 10
			},
			// 拖动图片时放大倍数 [0, ∞)
			scale: {
				type: Number,
				default: 1.1
			},
			// 拖动图片时不透明度
			opacity: {
				type: Number,
				default: 0.7
			},
			// 自定义添加（需配合 @aaddImage 事件使用）
			custom: {
				type: Boolean,
				default: false
			}
		},
		watch: {
			'value': function() {
				this.startValue()
			}
		},
		computed: {
			areaHeight() {
				if (this.imageList.length < this.number) {
					return Math.ceil((this.imageList.length + 1) / this.colsValue) * this.viewWidth + 'px'
				} else {
					return Math.ceil(this.imageList.length / this.colsValue) * this.viewWidth + 'px'
				}
			},
			childWidth() {
				return this.viewWidth - this.rpx2px(this.padding) * 2 + 'px'
			},
		},
		created() {
			this.width = uni.getSystemInfoSync().windowWidth
			this.viewWidth = this.rpx2px(this.imageWidth)
		},
		mounted() {
			const query = uni.createSelectorQuery().in(this)
			query.select('.area').boundingClientRect(data => {
				if (data) {
					this.colsValue = Math.floor(data.width / this.viewWidth)
					if (this.cols > 0) {
						this.colsValue = this.cols
						this.viewWidth = data.width / this.cols
					}
					for (let item of this.list) {
						this.addProperties(item)
					}
				}

			})
			query.exec()
			this.startValue()
		},
		methods: {
			showUploadingImg(showImg) {
				if (showImg) {
					if (this.isUploading) {
						return
					}
					this.isUploading = true
					this.$refs.popup.open("bottom");
				} else {
					this.$refs.popup.close();
					this.isUploading = false
				}
			},
			closePopup(e) {
				if (e.show === false) {
					this.isUploading = false
				}
			},
			startValue() {
				if (!this.isStart) {
					return
				}
				if (this.value.length > 0) {
					this.isStart = false
					setTimeout(() => {
						this.startList(this.value)
					}, 100)
				}
			},
			examineImgOne(index) {
				// this.$emit('examineImgOne',index)
				// this.previewList = this.list
				// this.current = index
				// this.$refs.previewImage.open(index);
				let imgList = []
				this.imageList.forEach((item) => {
					console.log(item)
					imgList.push(item.src)
				})
				uni.previewImage({
					urls: imgList,
					current: index,
					success: () => {

					}
				})
			},
			startList(imgList) {
				if (imgList.length <= 0) {
					let maxImageNum = this.imageList.length
					if (maxImageNum > 0) {
						for (let i = maxImageNum; i > 0; --i) {
							let keyNum = i - 1;
							this.delImage(this.imageList[keyNum], keyNum)
						}
					}
				} else {
					imgList.forEach((item) => {
						this.addProperties(item)
					})
				}

				// this.sortList()

			},
			onChange(e, item) {
				if (!item) return
				item.oldX = e.detail.x
				item.oldY = e.detail.y
				if (e.detail.source === 'touch') {
					if (item.moveEnd) {
						item.offset = Math.sqrt(Math.pow(item.oldX - item.absX * this.viewWidth, 2) + Math.pow(item.oldY -
							item
							.absY * this.viewWidth, 2))
					}
					let x = Math.floor((e.detail.x + this.viewWidth / 2) / this.viewWidth)
					if (x >= this.colsValue) return
					let y = Math.floor((e.detail.y + this.viewWidth / 2) / this.viewWidth)
					let index = this.colsValue * y + x
					if (item.index != index && index < this.imageList.length) {
						this.changeStatus = false
						for (let obj of this.imageList) {
							if (item.index > index && obj.index >= index && obj.index < item.index) {
								this.change(obj, 1)
							} else if (item.index < index && obj.index <= index && obj.index > item.index) {
								this.change(obj, -1)
							} else if (obj.id != item.id) {
								obj.offset = 0
								obj.x = obj.oldX
								obj.y = obj.oldY
								setTimeout(() => {
									this.$nextTick(() => {
										obj.x = obj.absX * this.viewWidth
										obj.y = obj.absY * this.viewWidth
									})
								}, 0)
							}
						}
						item.index = index
						item.absX = x
						item.absY = y
						this.sortList()
					}
				}
			},
			change(obj, i) {
				obj.index += i
				obj.offset = 0
				obj.x = obj.oldX
				obj.y = obj.oldY
				obj.absX = obj.index % this.colsValue
				obj.absY = Math.floor(obj.index / this.colsValue)
				setTimeout(() => {
					this.$nextTick(() => {
						obj.x = obj.absX * this.viewWidth
						obj.y = obj.absY * this.viewWidth
					})
				}, 0)
			},
			touchstart(item) {
				this.imageList.forEach(v => {
					v.zIndex = v.index + 9
				})
				item.zIndex = 99
				item.moveEnd = true
				this.tempItem = item
				this.timer = setTimeout(() => {
					item.scale = this.scale
					item.opacity = this.opacity
					clearTimeout(this.timer)
					this.timer = null
				}, 200)
			},
			touchend(item) {
				this.previewImage(item)
				item.scale = 1
				item.opacity = 1
				item.x = item.oldX
				item.y = item.oldY
				item.offset = 0
				item.moveEnd = false
				setTimeout(() => {
					this.$nextTick(() => {
						item.x = item.absX * this.viewWidth
						item.y = item.absY * this.viewWidth
						this.tempItem = null
						this.changeStatus = true
					})
				}, 0)
			},
			previewImage(item) {
				console.log(item)
				if (this.timer && this.preStatus && this.changeStatus && item.offset < 28.28) {
					clearTimeout(this.timer)
					this.timer = null
					let src = this.list.findIndex(v => v === item.src)
					uni.previewImage({
						urls: this.list,
						current: src,
						success: () => {
							this.preStatus = false
							setTimeout(() => {
								this.preStatus = true
							}, 600)
						}
					})
				} else if (this.timer) {
					clearTimeout(this.timer)
					this.timer = null
				}
			},
			mouseenter() {
				//#ifdef H5
				this.imageList.forEach(v => {
					v.disable = false
				})
				//#endif

			},
			mouseleave() {
				//#ifdef H5
				if (this.tempItem) {
					this.imageList.forEach(v => {
						v.disable = true
						v.zIndex = v.index + 1
						v.offset = 0
						v.moveEnd = false
						if (v.id == this.tempItem.id) {
							if (this.timer) {
								clearTimeout(this.timer)
								this.timer = null
							}
							v.scale = 1
							v.opacity = 1
							v.x = v.oldX
							v.y = v.oldY
							this.$nextTick(() => {
								v.x = v.absX * this.viewWidth
								v.y = v.absY * this.viewWidth
								this.tempItem = null
							})
						}
					})
					this.changeStatus = true
				}
				//#endif
			},
			selectMultimedia(fileType) {
				if (this.imgType === 1) {
					//图片选择
					this.uploadingImg(fileType);
				} else {
					//视频选择
					this.uploadingVideo(fileType);
				}
			},
			uploadingImg(sourceType) {
				if (this.list.length > 100) {
					tools.error('最多上传100张')
					return;
				}
				uni.chooseImage({
					count: this.fileNum, //默认9
					sizeType: 'compressed', //可以指定是原图还是压缩图
					sourceType: [sourceType === 1 ? 'camera' : 'album'],
					success: (res) => {
						this.showUploadingImg(false)
						if (res.tempFiles !== undefined) {
							res.tempFiles.forEach((file) => {
								if (file.size > (1048576 * 3)) {
									tools.error('图片最大3MB')
								} else {
									if (this.list.length > 100) {
										tools.error('最多上传100张')
									} else {
										if (tools.getPlatform() === 'H5') {
											this.uploadingFile(file);
										} else {
											this.uploadingFile(file.path);
										}
									}
								}
							})
						}
					},
					fail: (e) => {
						console.log(e)
					}
				});
			},
			uploadingVideo(sourceType) {
				uni.chooseVideo({
					sourceType: [sourceType === 1 ? 'camera' : 'album'],
					maxDuration: 60,
					success: (res) => {
						this.showUploadingImg(false)
						this.uploadingFile(res.tempFile);
					}
				});
			},
			uploadingFile(file) {
				//图片上传
				tools.showLoading();
				this.isStart = false
				txUploadFile(file).then((res) => {
					if (res.Location) {
						this.addProperties(res.Location)
						tools.hideLoading();
					} else {
						tools.hideLoading();
						tools.error('上传失败')
					}
				}).catch((err) => {
					tools.hideLoading();
				})
			},
			addImages() {
				if (this.custom) {
					this.$emit('addImage')
				} else {
					let checkNumber = this.number - this.imageList.length
					uni.chooseImage({
						count: checkNumber,
						sourceType: ['album', 'camera'],
						success: res => {
							let count = checkNumber <= res.tempFilePaths.length ? checkNumber : res
								.tempFilePaths.length
							for (let i = 0; i < count; i++) {
								this.addProperties(res.tempFilePaths[i])
							}
						}
					})
				}
			},
			addImage(image) {
				this.addProperties(image)
			},
			delImage(item, index) {
				this.imageList.splice(index, 1)
				for (let obj of this.imageList) {
					if (obj.index > item.index) {
						obj.index -= 1
						obj.x = obj.oldX
						obj.y = obj.oldY
						obj.absX = obj.index % this.colsValue
						obj.absY = Math.floor(obj.index / this.colsValue)
						this.$nextTick(() => {
							obj.x = obj.absX * this.viewWidth
							obj.y = obj.absY * this.viewWidth
						})
					}
				}
				this.add.x = (this.imageList.length % this.colsValue) * this.viewWidth + 'px'
				this.add.y = Math.floor(this.imageList.length / this.colsValue) * this.viewWidth + 'px'
				this.sortList()
			},
			delImageMp(item, index) {
				//#ifdef MP
				this.delImage(item, index)
				//#endif
			},
			sortList() {
				let list = this.imageList.slice()
				list.sort((a, b) => {
					return a.index - b.index
				})
				for (let i = 0; i < list.length; i++) {
					list[i] = list[i].src
				}
				// this.$emit('update:list', list)
				this.$emit('input', list)
			},
			addProperties(item) {
				console.log('------------------addProperties')
				console.log(item)
				let absX = this.imageList.length % this.colsValue
				let absY = Math.floor(this.imageList.length / this.colsValue)
				let x = absX * this.viewWidth
				let y = absY * this.viewWidth
				this.imageList.push({
					src: item,
					x,
					y,
					oldX: x,
					oldY: y,
					absX,
					absY,
					scale: 1,
					zIndex: 9,
					opacity: 1,
					index: this.imageList.length,
					id: this.guid(),
					disable: false,
					offset: 0,
					moveEnd: false
				})
				this.add.x = (this.imageList.length % this.colsValue) * this.viewWidth + 'px'
				this.add.y = Math.floor(this.imageList.length / this.colsValue) * this.viewWidth + 'px'
				this.sortList()
			},
			nothing() {},
			rpx2px(v) {
				return this.width * v / 750
			},
			guid() {
				function S4() {
					return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
				}
				return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4());
			}
		}
	}
</script>

<style lang="scss" scoped>
	@import url("../../static/css/en-common.css");
	@import "@/static/css/wh-common";

	.con {
		padding: 30rpx 0;
		border-bottom: 2rpx solid #F0F0F0;

		.con-title {
			font-size: 28rpx;
			color: #333333;
			padding-bottom: 10rpx;
		}

		.area {
			width: 100%;

			.view {
				display: flex;
				justify-content: center;
				align-items: center;

				.area-con {
					position: relative;

					.pre-image {
						width: 100%;
						height: 100%;
						border-radius: 10rpx;
					}

					.bf-img {
						width: 40rpx;
						height: 40rpx;
						position: absolute;
						left: 50%;
						top: 50%;
						//margin: -20rpx 0 0 -20rpx;
						z-index: 2;
					}

					.del-con {
						position: absolute;
						top: 5rpx;
						right: 5rpx;
						//padding: 0 0 20rpx 20rpx;

						.del-wrap {
							width: 36rpx;
							height: 36rpx;
							//background-color: rgba(0, 0, 0, 0.4);
							border-radius: 0 0 0 10rpx;
							display: flex;
							justify-content: center;
							align-items: center;

							.del-image {
								//width: 20rpx;
								//height: 20rpx;
							}
						}
					}
				}
			}

			.add {
				position: absolute;
				display: flex;
				justify-content: center;
				align-items: center;

				.add-wrap {
					// display: flex;
					// justify-content: center;
					// align-items: center;
					background: #F7F7F7;
					border-radius: 10rpx;

					.add-img {
						width: 80rpx;
						height: 80rpx;
						margin: 0 auto;
						padding-top: 44rpx;
					}

					.names {
						color: #6F6F6F;
						font-size: 28rpx;
						text-align: center;
					}

					.video-data {
						width: 160rpx;
						height: 160rpx;
						//background-color: #fff;
						text-align: center;
						line-height: 160rpx;

						.video-img {
							font-size: 80rpx;
							color: #999;
						}
					}

				}
			}
		}
	}

	.no-con {
		padding: 0;
		border: none;
	}
</style>