<template>
	<view>
		<z-nav-bar title="电子书购买记录"></z-nav-bar>

		<view class="book_list">
			<view class="bl_tioa" v-for="(item,index) in bookList" @click="onBookJump(item)">
				<image :src="item.image"></image>
				<view style="margin:0 0 10rpx 0;">
					<text class="bok_name">{{item.bookName}}</text>
				</view>
				<view>
					<text>作者：<text style="color: #333;">{{item.author}}</text></text>
				</view>
				<view>
					<text style="line-height: 20rpx;">{{item.title}}</text>
				</view>
			</view>
			<view style="height: 1px;"></view>
			<view v-if="bookList.length==0" style="font-size: 30rpx;text-align: center;">无购买记录</view>
		</view>

		<view>
			<view v-if="status==0" style="text-align: center;">
				<u-loading-icon style="display: inline-block;"></u-loading-icon>
				<font style='vertical-align: super;margin-left: 10px;font-size: 26rpx;color: #909399;'>努力加载中</font>
			</view>
			<view v-if="status==1">
				<u-divider text="全部加载完成"></u-divider>
			</view>
		</view>

		<view style="padding-bottom: 20rpx;">
			<u-back-top :scroll-top="scrollTop" bottom="60" :customStyle='bgiStyle' :iconStyle="iconStyle"></u-back-top>
		</view>
		
	</view>
</template>

<script>
	import $http from '@/config/requestConfig.js';
	import {
		mapState
	} from 'vuex';
	export default {
		data() {
			return {
				scrollTop: 0,
				status: 3,
				BuyScreen: {
					page: 1, //当前页码数
					limit: 5, //单页数据数量
				},
				totalPage: 0,
				totalCount: 0,
				bookList: [],
				bgiStyle: {
					background: '#2ab58833'
				},
				iconStyle: {
					fontSize: '40rpx',
					fontWeight: 'bold',
					color: '#54a966',
				},
			}
		},

		// 返回顶部
		onPageScroll(e) {
			this.scrollTop = e.scrollTop;
		},

		// 下拉刷新
		onReachBottom() {
			this.status = 0
			if (this.BuyScreen.page < this.totalPage) {
				this.BuyScreen.page = this.BuyScreen.page + 1
				setTimeout(() => {
					this.$http
						.post('book/userebookbuy/list?userId=' + this.userInfo.id + '&page=' + this.BuyScreen
							.page + '&limit=' + this.BuyScreen.limit)
						.then(res => {
							this.totalPage = res.page.totalPage
							this.totalCount = res.page.totalCount
							for (let i in res.page.list) {
								this.bookList.push(res.page.list[i])
							}
						});
				}, 1000)
			} else {
				this.status = 1
			}
		},

		//第一次加载
		onLoad() {
			this.getData();
		},
		
		computed: {
			...mapState(['userInfo'])
		},

		//页面显示
		onShow() {
			// this.getData();
		},
		// 下拉刷新
		onPullDownRefresh() {
			this.getData()
			uni.stopPullDownRefresh()
		},
		//方法
		methods: {
			// 获取列表数据
			getData() {
				this.bookList = []
				this.$http
					.post('book/userebookbuy/list?userId=' + this.userInfo.id + '&page=' + this.BuyScreen
						.page + '&limit=' + this.BuyScreen.limit)
					.then(res => {
						this.bookList = res.page.list
						this.totalPage = res.page.totalPage
						this.status = 3
					});
			},

			// 电子书内容跳转
			onBookJump(e) {
				uni.navigateTo({
					url: './bookContent?Id=' + e.bookId
				});
			},
		},

	};
</script>
<style lang="scss" scoped>
	@import '@/style/mixin.scss';
	.book_list {
		margin: 50rpx 30rpx 0 30rpx;

		.bl_tioa {
			box-shadow: 0 0px 10px 1px #d3d1d133;
			background-color: #fff;
			position: relative;
			padding: 30upx 25upx 10upx 230upx;
			margin: 0 0 60rpx 0;
			border-radius: 15rpx;
			min-height: 300rpx;

			view {
				// margin: 0 0 10rpx 0;

				text {
					color: #9b9b9b;
					font-size: 26rpx;
					line-height: 36rpx;
				}

				.bok_name {
					font-weight: bold;
					color: #333;
					font-size: 32rpx;
				}
			}

			image {
				position: absolute;
				left: 30upx;
				top: 30upx;
				width: 160upx;
				height: 240upx;
			}

			b {
				display: block;
				padding: 5rpx 10rpx;
				border-radius: 10rpx;
				text-align: center;
				color: #fff;
				font-weight: normal;
				background: #27b386;
				position: absolute;
				left: -1upx;
				top: -10upx;
				font-size: 16rpx;
			}
		}

	}
</style>
