E_WeChat/select/product/index.js

const _Http = getApp().globalData.http,
	file = require("../../utils/FormatTheAttachment");

Page({
	data: {
		loading: true,
		params: {}, //请求体
		result: [], //返回结果
		radio: false, //是否为单选
		idname: "itemid", //idkey
		showName: "itemname"
	},
	onLoad(options) {
		if (options.item) {
			let item = JSON.parse(options.item);
			this.setData({
				item,
				params: item.params
			});
		}
		if (options.params) this.setData({
			params: JSON.parse(options.params)
		});
		this.setData({
			radio: options.radio ? true : false,
			idname: options.idname || this.data.idname,
			showName: options.showName || this.data.showName,
		});
		this.getList()
	},
	getList(init = false) {
		//init 用于初始化分页
		if (init.detail != undefined) init = init.detail;
		let params = this.data.params;
		if (init) params.content.pageNumber = 1
		if (params.content.pageNumber > params.content.pageTotal) return;

		_Http.basic(params).then(res => {
			console.log("选择产品列表", res)
			this.selectComponent('#ListBox').RefreshToComplete();
			if (res.msg != '成功') return wx.showToast({
				title: res.msg,
				icon: "none"
			})
			res.data = res.data.map(value => {
				if (value.attinfos.length != 0) {
					value.attinfos = file.fileList(value.attinfos)
					let image = value.attinfos.find(v => v.fileType == "image");
					value.cover = image ? image.cover : "";
				}
				value.gradeprice && (value.gradeprice = (value.gradeprice - 0).toFixed(2));
				value.price && (value.price = (value.price - 0).toFixed(2));
				value.oldprice && (value.oldprice = (value.oldprice - 0).toFixed(2));
				value.brandName = value.brand.map(name => name.brandname)
				value.tradefields = value.tradefield.map(name => name.tradefield)
				return value;
			})

			this.setData({
				'params.content.pageNumber': res.pageNumber + 1,
				'params.content.pageTotal': res.pageTotal,
				'params.content.total': res.total,
				list: res.pageNumber == 1 ? res.data : this.data.list.concat(res.data),
				loading: false
			})
		})
	},
	/* 选中 */
	changeResult(e) {
		let {
			id
		} = e.currentTarget.dataset, result = this.data.result;
		if (this.data.radio) {
			result = [id];
		} else {
			result.some(v => v == id) ? result = result.filter(v => v != id) : result.push(id)
		}
		this.setData({
			result
		});
		if (this.data.radio) this.submit();
	},
	/* 提交 */
	submit() {
		let result = this.data.result,
			obj = this.data.radio ? {
				id: result,
				item: this.data.list.find(value => value[this.data.idname] == result),
				value: [this.data.list.find(value => value[this.data.idname] == result)[this.data.showName], result]
			} : {
				result,
				list: result.map(v => this.data.list.find(value => value[this.data.idname] == v)),
				value: [result.map(v => {
					let data = this.data.list.find(value => value[this.data.idname] == v);
					return data ? data[this.data.showName] : ""
				}), result]
			}
		getApp().globalData.handleSelect && getApp().globalData.handleSelect(obj)
	},
	/* 预览图片 */
	viewImage(e) {
		const {
			file
		} = e.currentTarget.dataset;
		if (file.length) wx.previewMedia({
			sources: file.filter(value => ['image', 'vadio'].includes(value.fileType)).map(v => {
				return {
					url: v.url,
					type: v.fileType
				}
			}),
			current: 0,
			showmenu: true
		})
	},
	/* 开始搜索 */
	startSearch({
		detail
	}) {
		let condition = this.data.content ? this.data.content.where.condition : this.data.params.content.where.condition;
		if (detail == condition) return;
		this.setData({
			'content.where.condition': detail,
			'params.content.where.condition': detail
		});
		this.getList(true);
	},
	/* 取消搜索 */
	onClear() {
		this.setData({
			'content.where.condition': "",
			'params.content.where.condition': ""
		});
		this.getList(true);
	},
	onReady() {
		this.selectComponent("#ListBox").setHeight(".total", this);
	},
	onUnload() {
		//回收数据
		getApp().globalData.handleSelect = null;
		
	}
})