zhywpt-h5/components/form-image/form-image.vue

<template>
	<view>
		<view class="as-gravity-center" style="display: flex;flex-direction: row;flex-wrap: wrap;position: relative;"
			:style="'justify-content:' + (imageList.length === 0 ? 'center': 'space-between')">
			<!-- 嵌套这层就over了  -->
			<view :style="'margin-left: ' + (retract + 10) + 'rpx;margin-right: '+ retract + 'rpx'"
				style="justify-content: flex-start; align-items: center;display: flex;flex-direction: row;flex-wrap: wrap;">

				<block v-for="(image,indexs) in imageList" :key="indexs">
					<view :style="'width:' + innerWidth + 'px;' +'height:' + innerWidth + 'px'"
						style="display: block;margin-left: 5px;margin-top: 5px; opacity:0.7;">
						<view class="as-gravity-center" @tap="previewImage(indexs,imageList)"
							:style="'width:' + (isDelete ? innerWidth / 2 : innerWidth / 2) + 'px;' +'height:' + innerWidth + 'px'"
							style="position: absolute;z-index: 3;opacity:1;">
							<image v-show="isDelete" src="/static/image/big.png" style="width: 12px;height: 12px;">
							</image>
						</view>
						<view v-show="isDelete" class="as-gravity-center" @tap="removeImg(indexs,imageList)"
							:style="'width:' + innerWidth / 2 + 'px;' +'height:' + innerWidth + 'px;' + 'margin-left: '+ innerWidth / 2 +'px;'"
							style="position: absolute;z-index: 3;opacity:1;">
							<image src="/static/image/remove.png" style="width: 12px;height: 12px;">
							</image>
						</view>

						<view :style="'width:' + innerWidth + 'px;' +'height:' + innerWidth + 'px'"
							style="position: absolute;z-index: 2;background-color: #B2B2B2;opacity:0.5;"></view>
						<image :style="'width:' + innerWidth + 'px;' +'height:' + innerWidth + 'px'"
							class="as-radius-8px" style="position: relative; display: block;"
							:src="isUrl ? urls + image : image" :data-src="isUrl ? urls + image : image">
						</image>
					</view>
				</block>

				<view v-if="isChoose" class="layout4 as-gravity-center" @tap="chooseImage(item)"
					:style="'width:' + innerWidth + 'px;height:' + innerWidth + 'px'"
					style="display: flex;flex-direction: column;margin-top: 8px;margin-left: 5px;">
					<image src="/static/image/photo.png" style="height: 24px;width: 28.5px;"></image>
					<view class="text8" style="margin-top: 8px;">上传图片</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		name: "form-image",
		props: {
			showImageList: {
				/* 图片数组*/
				type: Array,
				default: function() {
					return []
				}
			},
			imgWidth: {
				/*获取屏幕宽度*/
				type: Number,
				default: 0,
				required: false
			},
			retract: {
				/*缩进*/
				type: Number,
				default: 0
			},
			isChoose: {
				/*是否选择图片*/
				type: Boolean,
				default: true
			},
			isDelete: {
				/* 是否具备删除*/
				type: Boolean,
				default: true
			},
			isUrl: {
				/* 是否拼接图片地址*/
				type: Boolean,
				default: false
			},
			count: {
				/* 图片上传数量*/
				type: Number,
				default: 9
			}
		},
		created() {
			let {
				showImageList
			} = this
			if (showImageList.length > 0) {
				this.imageList = showImageList
			}
			let _this = this

			if (isNaN(this.imgWidth) || this.imgWidth === 0) { //判断是否不是数字
				uni.getSystemInfo({
					success: function(res) {
						_this.innerWidth = res.windowWidth / 4 - 18
					}
				})
			} else {
				_this.innerWidth = this.imgWidth - 18
			}

		},
		mounted() { //当视图运行完后执行

		},
		data() {
			return {
				sourceTypeIndex: 2,
				innerWidth: 0,
				imageList: [],
				item: {},
				urls: '',
				update: true
			};
		},
		watch: { //计算属性
			imageList(val) {
				console.log('图片数据改变了', this.imageList.length);
			}
		},
		methods: {
			previewImage(e, item) { //放大图片
				// var current = this.isUrl ? this.urls + item[e] : item[e]
				if (this.isUrl) {
					for (var i = 0; i < item.length; i++) {
						if (item[i].indexOf("http") == -1) {
							item[i] = this.urls + item[i]
						}
					}
				}
				var current = item[e]
				uni.previewImage({
					current: current,
					urls: item
				})
			},
			removeImg(e, item) { //删除图片
				item.splice(e, 1)
			},
			chooseImage: function(item) { //选择相机或相册时
				let _this = this
				if (_this.imageList === undefined) {
					_this.imageList = []
				}
				if (_this.imageList.length === this.count) {
					uni.showToast({
						icon: 'none',
						title: '最多只能选择' + _this.count + '张图片'
					})
					return
				}
				/* 图片选择 */
				uni.chooseImage({
					count: _this.count,
					success: (res) => { //选择成功
						_this.imageList = _this.imageList.concat(res.tempFilePaths);
						const tempFilePaths = res.tempFilePaths;
						const imgUrl = '';
						_this.$emit('backImg', _this.imageList) //测试环境下(正式环境请切换至接口返回地址)
						//task_img
						for (var i = 0; i < tempFilePaths.length; i++) {
							/* 图片上传 */
							uni.uploadFile({
								url: 'https://www.example.com/upload', //仅为示例，非真实的接口地址
								filePath: tempFilePaths[i],
								name: 'file',
								header: {
									'X-Access-Token': uni.getStorageSync('token')
								},
								formData: {
									biz: 'app'
								},
								success: (uploadFileRes) => {
									let imgData = JSON.parse(uploadFileRes.data)
									/* 数据拼接 */
									if (imgUrl === undefined || imgUrl === '') {
										imgUrl = imgData.message
									} else {
										imgUrl += ',' + imgData.message
									}
									_this.$emit('backImg', _this.imageList) //正式环境下
								},
								fail: (res) => {
									console.log(res);
								}
							});
						}
					},
					fail: (err) => {
						if (err.errMsg.indexOf('cancel') !== '-1') {
							return;
						}
						uni.getSetting({
							success: (res) => {
								let authStatus = false;
								switch (this.sourceTypeIndex) {
									case 0:
										authStatus = res.authSetting['scope.camera'];
										break;
									case 1:
										authStatus = res.authSetting['scope.album'];
										break;
									case 2:
										authStatus = res.authSetting['scope.album'] && res
											.authSetting['scope.camera'];
										break;
									default:
										break;
								}
								if (!authStatus) {
									uni.showModal({
										title: '授权失败',
										content: '需要从您的相机或相册获取图片，请在设置界面打开相关权限',
										success: (res) => {
											if (res.confirm) {
												uni.openSetting()
											}
										}
									})
								}
							}
						})
					}
				})
			}
		}
	}
</script>

<style>
	.text8 {
		font-size: 11px;
		font-family: PingFang SC;
		color: #C8C8C8;
		opacity: 1;
	}

	.layout4 {
		background: #F8F9FA;
		opacity: 1;
		border-radius: 8px;
	}
</style>