<template>
	<view class="w-100 imgupload">
		<view class="w-100 flex_wrap">
			<view class="imgs-view" v-for="(v,i) in imgArray" :key="i">
				<image @click="preview(v,i)" :src="v"></image>
				<view class="del-btn" @click="delImg(i)">
					<image :src="config.delIcon||'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAA5UlEQVQ4T2NkQAP3fTXs//1njPvP8N+BkYFBCST9n4HhHiMD4wEmxv+LFDffOIishRGZc89HY9Z/BoZUdEPRNMxW2nIjDSYGN+COj8YORgYGd3yaYXL/GRh2qmy54QHigw0gxmZ0gxkZGMAuYYT4meEAMTajq2FiZHBgvOujOZeB4X8SOQYwMDDOY7zjo3EXFtqkGgKOnbs+Gv9hGsVKexm4jG3xmvPt7GGGV93FcDUoBvD7xTGwyijiNeD3k/sMHzctQhhABS9QGIgURyPFCQkWGhQlZZghxCRpWBLGyEwwAVKzMwB5V2gPAYXmLgAAAABJRU5ErkJggg=='"></image>
				</view>
			</view>
			<view v-if="imgArray.length<imgCount" class="upload-img-view flex_xy_center" @click="upPhoto">
				<image src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAeCAYAAAA7MK6iAAAArklEQVRIS2NkGCDAOED2Mgw9i9vb2xVAoVVZWfmAnFAj28ddXV33QRaWlZUp0tvi/1CLyXI8WZpAFnZ1dY1aTFJUjwY10cE1mriIDiqoQpTEBSoGmZmZ9zMwMICLQyqC08zMzDHFxcW3YGYODotJ8eFo4iIltEBqR0suokNsNHERHVTYSi5SNA9kUJ+CtrnMSHEw1iKTFAN6e3vVQOqRy19S9JOdj0mxBJvakWcxAFpiZB+QSLWnAAAAAElFTkSuQmCC"></image>
			</view>
		</view>
		<view v-if="!closeTip&&!tipObj.prompt" class="imgupload__tip">* 最多上传{{imgCount}}张图片(<label> {{imgArray.length}}
			</label>/{{imgCount}})</view>
		
	</view>
</template>

<script>
	export default {
		name: 'imgUpload',
		props: {
			type:{
				type: String,
				default: 'other'
			},
			imgArr: { //图片数组
				type: [Array],
			},
			uploadImgCount: { //一次上传图片数
				type: String,
				default: '1'
			},
			imgCount: { //可上传图片总数
				type: String,
				default: '3'
			},
			imgSize: { //图片大小 单位M
				type: Number,
				default:4
			},
			formData: {
				type: Object,
				default: function() {
					return {}
				}
			},
			imgType: { //如果是小程序，这个值则没用作用
				type: [Array],
				default: function() {
					return ['jpeg', 'png', 'jpg']
				}
			},
			closeTip: {
				type: Boolean,
				default: false
			},
			loading: {
				type: Boolean,
				default: true
			},
			url: { //上传图片Url
				type: String,
			},
			async: {
				type: Boolean,
				default: false
			},
			header: {
				type: Array,
				default: function() {
					return []
				}
			},
			previewMany: { //多图预览
				type: Boolean,
				default: false
			},
			pressImg: { //压缩图片 H5暂不支持压缩api
				type: Number,
				default: -1
			},
			config: {
				type: Object,
				default: function() {
					return {
						delIcon: '', //删除图片icon
						resultTip: true, //结果提示
						resultType: '1', //结果展示类型
						loadIcon: '', //加载时的图标
						loadText: '' //加载时的文字
					}
				}
			}
		},
		data() {
			return {
				imgArray: [],
				canUpCount: '',
				startUpload: false,
				tipObj: {
					prompt: '',
					typeColor: '#009100',
					must: false, //必须要存在的时候
					success: '#009100', //成功-#009100; 可自定义修改
					warning: '#bb9300', // 警告 -#bb9300; 可自定义修改
					error: '#FF0000' // 失败--#FF0000; 可自定义修改
				},
				headers: {},
				curPlatform: '',
				currIndex: null,
				ossData:{},//oss参数
			}
		},
		created() {
			this.imgArray = this.imgArr || [];
			
			this.formDataGet()
			this.canUpCount = Number(this.uploadImgCount);
		
			
		},
		watch: {
			imgArr(n, o) {
				this.imgArray = n || [];
				
			},
			imgCount(n, o) {
				this.uploadImgCount = n;
				this.canUpCount = Number(this.uploadImgCount);
			},
			
		},
		methods: {
			//上传凭证
			formDataGet(){
				let that = this
				uni.request({
					//url: 'https://pm.lidashine.com/get-oss-sign', //oss获取参数接口地址。
					url:'http://47.97.79.225:9020/fileMgr/v1/oss/getOssSign',
					complete: (result) => {
						let res = JSON.parse(result.data.data);
						that.ossData = res
					}
				})
			},
			//预览图片
			preview(obj, index) {
				if (this.previewMany) {
					let urls = [];
					urls.push(obj.url)
					this.imgArray.map(item => {
						if (obj.id != item.id) {
							urls.push(item.url);
						}
					})
					uni.previewImage({
						urls: urls
					});
				} else {
					// 预览图片(单张)
					uni.previewImage({
						urls: [obj.url]
					});
				}
			},
			//删除图片
			delImg(i) {
				const _this = this;
				uni.showModal({
					title: '提示',
					content: '是否删除这张照片？',
					success: function(res) {
						if (res.confirm) {
							_this.imgArray.splice(i, 1);
							_this.$emit('result',_this.imgArray)
						} else if (res.cancel) {}
					}
				});
			},
			// 随机生成文件名
			  random_string(len) {
				len = len || 32;
				var chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz123456789';
				var maxPos = chars.length;
				var pwd = '';
				for (let i = 0; i < len; i++) {
				  pwd += chars.charAt(Math.floor(Math.random() * maxPos));
				}
				return pwd;
			  },
			//上传图片
			upPhoto() {
				let that = this;
				uni.showActionSheet({
					itemList: ['拍照上传', '从相册中选择'],
					success: function(res) {
						console.log(res)
						if (res.tapIndex == 0) {
							uni.chooseImage({
								count: Number(that.canUpCount),
								sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
								sourceType: ['camera'], //从相册选择
								success: function(res) {
									if (res) {
										
										let filePath = res.tempFilePaths[0]
										let nameStr = that.random_string(8)+'.'+res.tempFilePaths[0].split('.').pop();
										if (res.tempFiles) {
											for (let item of res.tempFiles) {
												if (item.size > (that.imgSize * 1024 * 1024)) {
													uni.showToast({
														title: `图片不能大于${that.imgSize}M`,
														icon: 'none'
													})
													return false;
												}
												if (item.type) {
													let r = that.imgType.some(v => {
														let type = item.type.split('/');
														if (type.length)
															return (v === type[1]);
													});
													if (!r) {
														uni.showToast({
															title: `只允许上传${that.imgType}的类型`,
															icon: 'none'
														})
														return false;
													}
												}
											}
										}
										
									
										that.updataImg(filePath,nameStr)
									}
								}
							});
						} else if (res.tapIndex == 1) {
							uni.chooseImage({
								count: Number(that.canUpCount),
								sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
								sourceType: ['album'], //从相册选择
								success: function(res) {
									if (res) {
										let filePath = res.tempFilePaths[0]
										console.log(filePath)
										let nameStr = that.random_string(8)+'.'+res.tempFilePaths[0].split('.').pop();
										if (res.tempFiles) {
											for (let item of res.tempFiles) {
												if (item.size > (that.imgSize * 1024 * 1024)) {
													uni.showToast({
														title: `图片不能大于${that.imgSize}M`,
														icon: 'none'
													})
													return false;
												}
												if (item.type) {
													let r = that.imgType.some(v => {
														let type = item.type.split('/');
														if (type.length)
															return (v === type[1]);
													});
													if (!r) {
														uni.showToast({
															title: `只允许上传${that.imgType}的类型`,
															icon: 'none'
														})
														return false;
													}
												}
											}
										}
										
									
										that.updataImg(filePath,nameStr)
									}
								}
							});
						}
					},
					fail: function(res) {
						console.log(res.errMsg);
					}
				});
			},
			
			updataImg(filePath,nameStr){
				console.log(filePath)
				console.log(nameStr)
				let date = new Date();
				let allData = date.getFullYear()+'-'+date.getMonth()+1+'-'+date.getDate()
				let ossData = this.ossData
				let shopid = uni.getStorageSync('shop')
				let id = 0
				if(!shopid){
					id=0
				}else{
					id=shopid.id
				}
				let key = 'img/'+id+'/'+this.type+'/'+allData+'/'+nameStr
				uni.uploadFile({
					url: ossData.host,
					filePath: filePath,
					fileType: 'image',
					name: 'file',
					formData: {
						'name': nameStr,
						'key': key,
						'policy': ossData.policy,
						'OSSAccessKeyId': ossData.accessid,
						'success_action_status': '200',
						'signature': ossData.signature,
					},
					success: (res) => {
						uni.hideLoading();
						if (res.statusCode != 200) {
							return;
						}
						let imgurl = ossData.host+'/'+key
						this.imgArray.push(imgurl)
						this.$emit('result',this.imgArray)
						uni.showToast({
							title: '上传成功',
							icon: 'success',
							duration: 1000
						})
						
						// alert(ossRes.host+"/"+encodeURIComponent(fileName));
				    
					},
					fail: (err) => {
						uni.hideLoading();
						console.log('uploadImage fail', err);
						uni.showModal({
							content: err.errMsg,
							showCancel: false
						});
					}
				});
			},

		

		}
	}
</script>


<style scoped>
	.w-100 {
		width: 100%;
	}

	.flex {
		/* 转为弹性盒模型*/
		display: flex;
	}

	.flex_bet {
		/* 两端左右*/
		display: flex;
		justify-content: space-between;
	}

	.flex_wrap {
		/* 转为弹性盒模型并自动换行*/
		display: flex;
		flex-wrap: wrap;
	}

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

	.upload-img-view {
		height: 200rpx;
		width: 32%;
		border-radius: 10rpx;
		border: 4rpx dotted #F1F1F1;
		/* background-color: #F1F1F1; */
	}

	.upload-img-view>image {
		width: 70rpx;
		height: 70rpx;
	}

	.upload-txt {
		font-size: 24rpx;
		color: #FFFFFF;
	}

	.imgs-view {
		height: 200rpx;
		width: 31.5%;
		border-radius: 10rpx;
		margin-right: 1.8%;
		margin-bottom: 16rpx;
		border: 1rpx solid #F1F1F1;
		box-sizing: border-box;
		position: relative;
	}

	.result {
		position: absolute;
		bottom: 0;
		width: 100%;
		height: 45rpx;
		font-size: 26rpx;
		left: 0;
		background-color: rgba(0, 0, 0, .6);
		text-align: center;
		line-height: 45rpx;
		border-bottom-left-radius: 10rpx;
		border-bottom-right-radius: 10rpx;
	}

	.result>.success {
		color: #00b900;
	}

	.result>.error {
		color: #b52e25;
	}

	.uploading {
		position: absolute;
		background-color: rgba(0, 0, 0, .5);
		left: 0;
		top: 0;
		width: 100%;
		height: 100%;
		text-align: center;
		line-height: 100%;
		z-index: 999;
	}

	.uploading image {
		width: 60rpx;
		height: 60rpx;
		z-index: 1000;
		animation: rotation .6s linear infinite;
		-moz-animation: rotation .6s linear infinite;
		-webkit-animation: rotation .6s linear infinite;
		-o-animation: rotation .6s linear infinite;
	}


	@keyframes rotation {
		from {
			-webkit-transform: rotate(0deg);
			transform: rotate(0deg);
			-moz-transform: rotate(0deg);
			-o-transform: rotate(0deg);
		}

		to {
			-webkit-transform: rotate(360deg);
			transform: rotate(360deg);
			-moz-transform: rotate(360deg);
			-o-transform: rotate(360deg);
		}
	}

	.imgs-view>image {
		width: 100%;
		height: 100%;
		border-radius: 10rpx;
	}

	.imgupload__tip {
		font-size: 24rpx;
		color: #FF0000;
		margin: 10rpx auto;
	}

	.imgupload__tip>label {
		color: #009100;
	}

	.del-btn {
		position: absolute;
		top: 0;
		right: 0;
		width: 32rpx;
		height: 32rpx;
		z-index: 999;
	}

	.del-btn>image {
		width: 100%;
		height: 100%;
		display: flex;
	}

	.css2 {
		border-style: solid;
		border-width: 0px 0px 100px 100px;
		border-color: transparent transparent blue transparent;
		width: 0px;
		height: 0px;
	}
</style>
