nazw/nnzwminiapp/pages/publics/governmentArticlesDetail/governmentArticlesDetail.js

// pages/publics/governmentArticlesDetail/governmentArticlesDetail.js
import {
	imgUrl
} from "../../api/request"
Page({

	/**
	 * 页面的初始数据
	 */
	data: {
		// 屏幕宽度
		windowsWidth: '',
		// 图片前缀
		imgUrl: imgUrl,
		// 文章内容
		articles: '',
		// 文本字号大小
		fontSize: '中',
		// 是否播放语音
		isPlay: false,
		// 是否存在文件
		isFile: true,
		// 文件路径前缀
		fileUrlPrefix: '',
		// 文件列表
		fileList: []
	},

	chooseFontSize(e) {
		let temp = this.data.articles;
		switch (this.data.fontSize) {
			case '大':
				temp.DOCHTMLCON = temp.DOCHTMLCON.replace(/\<span class="fontSizeMax"/gi, '<span"');
				break;
			case '中':
				temp.DOCHTMLCON = temp.DOCHTMLCON.replace(/\<span class="fontSize"/gi, '<span');
				break;
			case '小':
				temp.DOCHTMLCON = temp.DOCHTMLCON.replace(/\<span class="fontSizeSmall"/gi, '<span');
				break;
		}
		switch (e.currentTarget.dataset.size) {
			case '大':
				temp.DOCHTMLCON = temp.DOCHTMLCON.replace(/\<span/gi, '<span class="fontSizeMax"');
				break;
			case '中':
				temp.DOCHTMLCON = temp.DOCHTMLCON.replace(/\<span/gi, '<span class="fontSize"');
				break;
			case '小':
				temp.DOCHTMLCON = temp.DOCHTMLCON.replace(/\<span/gi, '<span class="fontSizeSmall"');
				break;
		}
		this.setData({
			fontSize: e.currentTarget.dataset.size,
			articles: temp
		})
	},

	/**
	 * 生命周期函数--监听页面加载
	 */
	onLoad(options) {
		this.setData({
			windowsWidth: wx.getSystemInfoSync().windowWidth * 0.85 + 'px'
		})
		// 是否显示附件下载
		if (options.isFile == 'false') {
			this.setData({
				isFile: false
			})
		}
		// 图文解读
		if (options.isPic) {
			wx.request({
				url: 'https://data.cqna.gov.cn/mini/hlw/info?channelId=' + options.channelId + '&docId=' + options.docId,
				method: 'GET',
				success: res => {
					res.data.data.DOCPUBTIME = res.data.data.DOCPUBTIME.split(" ")[0];
					res.data.data.DOCHTMLCON = res.data.data.DOCHTMLCON.replace(/\<span/gi, '<span class="fontSize"');
					// 存在多个隐藏图片，取最后一张图片
					if (res.data.data.THUMBFILES.indexOf(",") >= 0) {
						let index = res.data.data.THUMBFILES.lastIndexOf(",")
						res.data.data.THUMBFILES = res.data.data.THUMBFILES.substring(index + 1)
					}
					// 替换图片路径
					res.data.data.DOCHTMLCON = res.data.data.DOCHTMLCON.replace(/src="[^"]+"/gi, 'style="width:' + this.data.windowsWidth + '" src="' + options.url + res.data.data.THUMBFILES + '"');
					// 替换特定图片宽度样式
					res.data.data.DOCHTMLCON = res.data.data.DOCHTMLCON.replace('style="width:600px;"', 'style="width:' + this.data.windowsWidth + '"')
					this.setData({
						fileUrlPrefix: options.url,
						articles: res.data.data,
						fileList: res.data.data.DOCATTACHFILEFIELD
					})
				}
			})
			return
		}
		if (options.docId == undefined) {
			wx.request({
				url: 'https://data.cqna.gov.cn/mini/hlw/send?page=1&limit=1&channelId=' + options.channelId,
				method: 'GET',
				success: res => {
					let url = res.data.data.DATA[0].DOCPUBURL.substring(0, res.data.data.DATA[0].DOCPUBURL.lastIndexOf("/") + 1)
					wx.request({
						url: 'https://data.cqna.gov.cn/mini/hlw/info?channelId=' + res.data.data.DATA[0].CHNLID + '&docId=' + res.data.data.DATA[0].DOCID,
						method: 'GET',
						success: res1 => {
							if (res1.data.data.DOCHTMLCON == undefined) {
								res1.data.data.DOCHTMLCON = res1.data.data.CONTENT;
								res1.data.data.DOCTITLE = res1.data.data.TITLE;
								res1.data.data.DOCSOURCENAME = res1.data.data.ORGANCAT_DISP;
							}
							res1.data.data.DOCPUBTIME = res1.data.data.DOCPUBTIME.split(" ")[0];
							res1.data.data.DOCHTMLCON = res1.data.data.DOCHTMLCON.replace(/\<span/gi, '<span class="fontSize"');
							// let text = res1.data.data.DOCHTMLCON.replace(/<[^>]+>/g, "");
							res1.data.data.DOCHTMLCON = res1.data.data.DOCHTMLCON.replace(/<img [^>]*src="([^'"]+)[^>]*>/gi,
								function (match, capture) {
									// 替换小图片地址
									if (capture.split("/").length > 1) {
										return match.replace(/src=['"]([^'"]+)[^>]/gi, 'src="' + 'https://www.cqna.gov.cn' +
											capture +
											'"');
									}
									return match.replace(/src=['"]([^'"]+)[^>]/gi, 'src="' + url +
										capture +
										'"');
								});
							if (res1.data.data.DOCATTACHFILEFIELD.length > 0) {
								this.setData({
									fileList: res1.data.data.DOCATTACHFILEFIELD
								})
							} else {
								this.getAhrefs(res1.data.data.DOCHTMLCON);
							}
							this.setData({
								fileUrlPrefix: url,
								articles: res1.data.data
							})
						}
					})
				}
			})
		} else {
			wx.request({
				url: 'https://data.cqna.gov.cn/mini/hlw/info?channelId=' + options.channelId + '&docId=' + options.docId,
				method: 'GET',
				success: res => {
					res.data.data.DOCPUBTIME = res.data.data.DOCPUBTIME.split(" ")[0];
					res.data.data.DOCHTMLCON = res.data.data.DOCHTMLCON.replace(/\<span/gi, '<span class="fontSize"');
					res.data.data.DOCHTMLCON = res.data.data.DOCHTMLCON.replace(/<img [^>]*src="([^'"]+)[^>]*>/gi,
						function (match, capture) {
							// 替换小图片地址
							if (capture.split("/").length > 1) {
								return match.replace(/src=['"]([^'"]+)[^>]/gi, 'src="' + 'https://www.cqna.gov.cn' +
									capture +
									'"');
							}
							return match.replace(/src=['"]([^'"]+)[^>]/gi, 'src="' + options.url +
								capture +
								'"');
						});

					if (res.data.data.DOCATTACHFILEFIELD.length > 0) {
						this.setData({
							fileList: res.data.data.DOCATTACHFILEFIELD
						})
					} else {
						this.getAhrefs(res.data.data.DOCHTMLCON);
					}
					this.setData({
						fileUrlPrefix: options.url,
						articles: res.data.data
					})
				}
			})
		}
	},
	audioPlay() {
		if (!this.data.isPlay) {
			let that = this;
			that.innerAudioContext = wx.createInnerAudioContext({
				useWebAudioImplement: false
			})
			that.innerAudioContext.src = 'https://www.cqna.gov.cn/voice_assistant/2022-11-28/a05-60ff109e2a32_10281519.mp3';
			that.innerAudioContext.play()
		} else {
			this.innerAudioContext.pause();
		}
		this.setData({
			isPlay: !this.data.isPlay
		})
	},
	downloadFile(e) {
		wx.downloadFile({
			url: this.data.fileUrlPrefix + e.currentTarget.dataset.url,
			success: function (res) {
				if (res.statusCode === 200) {
					let filename = res.tempFilePath;
					let fileType = filename.split('.').pop();
					wx.openDocument({
						filePath: res.tempFilePath,
						fileType: fileType,
						showMenu: true, // 关键，这里开启预览页面的右上角菜单，才能另存为
					});
				} else {
					wx.showToast({
						title: '失败',
					});
				}
			},
		});
	},

	getAhrefs(content) {
		let fileTemp = [];
		let temp;
		let regex = /<a[^>]*href=['"]([^"]*)['"][^>]*>(.*?)<\/a>/g;
		while (regex.exec(content) != null) {
			temp = {
				APPDESC: RegExp.$2,
				APPFILE: RegExp.$1.substring(RegExp.$1.lastIndexOf('/') + 1, RegExp.$1.length)
			}
		}
		fileTemp.push(temp);
		this.setData({
			fileList: fileTemp
		})
	},

	/**
	 * 生命周期函数--监听页面初次渲染完成
	 */
	onReady() {

	},

	/**
	 * 生命周期函数--监听页面显示
	 */
	onShow() {

	},

	/**
	 * 生命周期函数--监听页面隐藏
	 */
	onHide() {
		if (this.innerAudioContext) {
			this.innerAudioContext.stop(); //暂停音频
		}
	},

	/**
	 * 生命周期函数--监听页面卸载
	 */
	onUnload() {
		if (this.innerAudioContext) {
			this.innerAudioContext.stop(); //暂停音频
		}
	},

	/**
	 * 页面相关事件处理函数--监听用户下拉动作
	 */
	onPullDownRefresh() {

	},

	/**
	 * 页面上拉触底事件的处理函数
	 */
	onReachBottom() {

	},

	/**
	 * 用户点击右上角分享
	 */
	onShareAppMessage() {
		return {
			title: this.data.articles.DOCTITLE
		};
	}
})