building_tx_mini_wx_rebuild/pages/ocr/ocr.js

// pages/ocr/ocr.js
const tip_en = require("../../international/ocr_scence/index")
const app = getApp()
const upload_image = require("../../utils/upload/upload_image")
const {
	getPassportDetail, BaiDuFaceComparison
} = require("../../utils/api/make_appointment")

Page({

	/**
	 * 页面的初始数据
	 */
	data: {
		// 中英文
		isChinese: true,
		// 翻译包
		tip: tip_en,
		// 证件类型
		type_list: [{
			name_ch: '护照',
			name_en: 'passport',
			type: 13
		},
			//   {name_ch: '往来港澳通行证', name_en: 'Hong Kong and Macao Travel Permit', type: 22},
			//   {name_ch: '往来台湾通行证', name_en: 'Taiwan Travel Permit', type: 29},
			//   {name_ch: '香港居民身份证', name_en: 'Hong Kong Identity Card', type: 1001},
		],
		type_index: 0,
		type: 13,
		needPhoto: false,
	},
	// 选择证件类型
	chooseType(e) {
		this.setData({
			type_index: e.detail.value,
			type: this.data.type_list[e.detail.value].type
		})
	},
	// 提交护照验证
	doOCR() {
		var that = this;
		if (!this.data.type) {
			wx.showToast({
				title: this.data.isChinese ? '请先选择证件类型~' : 'Please select the id type~',
				icon: 'none'
			});
			return;
		}
		wx.chooseMedia({
			count: 1,
			mediaType: ['image'],
			sourceType: ['album', 'camera'],
			sizeType: ['original'],
			success(res) {
				var image = {
					url: res.tempFiles[0].tempFilePath
				}
				wx.showLoading({
					title: that.data.isChinese ? '上传中~' : 'uploading...',
				})
				//上传照片
				upload_image(image).then((img) => {
					wx.hideLoading()
					var data = {
						passportUrl: img.url,
						type: that.data.type
					}
					that.checkInfo(data)
				}).catch(() => {
					wx.hideLoading()
				})
			}
		})
	},
	//处理结果
	checkInfo(data) {
		let that = this;
		wx.showLoading({
			title: that.data.isChinese ? '识别中...' : 'recognizing..',
		})
		//ocr 识别
		getPassportDetail(data).then(res => {
			wx.hideLoading();
			//接口层错误
			if (res.code != 200) {
				wx.showModal({
					content: res.msg,
					showCancel: false
				});
				return;
			}
			//数据识别不完整
			if (!res.data.avatar) {
				wx.showModal({
					content: 'Sorry, OCR Failed. Please make sure the photo is clear and complete, then try again。',
					showCancel: false,
				});
				return;
			}
			//识别成功，暂存识别信息
			that.data.ocrInfo = res.data;
			that.data.ocrInfo.passportUrl = data.passportUrl;
			//需要抓拍人像(实名一定需要抓拍人像)
			if (that.data.needRealname || that.data.needPhoto) {
				that.data.flag = 3;
				wx.navigateTo({
					url: '/pages/faceCheck/faceCheck'
				});
				return;
			}
			//无需进行人像抓拍
			app.data.ocrInfo = that.data.ocrInfo;
			wx.navigateBack({
				delta: 1
			})
		}).catch(err => {
			wx.hideLoading()
		})
	},
	//比对照片
	comparePhoto() {
		const that = this;
		let img = app.data.catchFaceUrl;
		app.data.catchFaceUrl = null;
		//拍摄人脸照片失败
		if(!img) {
			wx.showModal({
				content: that.data.isChinese ? '抓拍失败, 再试一次吧' : 'Sorry，failed to capture a profile picture，pleas try again。',
				showCancel: false,
				complete: (res) => {}
			})
			return;
		}
		//拍摄人脸照片成功
		//无需 1:1 比对
		if(!this.data.needRealname) {
			that.data.ocrInfo.faceImage = img
			app.data.ocrInfo = that.data.ocrInfo;
			wx.navigateBack({
				delta: 1
			})
			return;
		}
		//需要 1:1 比对
		let data = {
			faceImage: img,
			cardImage: that.data.ocrInfo.avatar || '',
		}
		BaiDuFaceComparison(data).then(res => {
			//1:1比对成功
			if(res.data) {
				that.data.ocrInfo.faceImage = img
				app.data.ocrInfo = that.data.ocrInfo;
				wx.navigateBack({
					delta: 1
				})
			//1；1 比对失败
			} else {
				wx.showModal({
					content: that.data.isChinese ? '比对失败, 请保持光线良好，护照照片清晰，再试一次吧' : 'Sorry，the comparison failed，keep the light good and the passport clear，then try again。',
					showCancel: false,
					complete: (res) => {}
				})
			}
		})
	},
	/**
	 * 生命周期函数--监听页面加载
	 */
	onLoad: function (options) {
		this.setData({
			needPhoto: options.needPhoto === 'true' ? true:false,
			needRealname: options.needRealname === 'true'? true:false
		})
		if (app.data.language == 'ch') {
			this.setData({
				isChinese: true
			})
		} else {
			this.setData({
				isChinese: false
			})
		}
		// （过审专用，禁止删除）- start
		app.data.fake = false
		// （过审专用，禁止删除）- end
	},

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

	},

	/**
	 * 生命周期函数--监听页面显示
	 */
	onShow: function () {
		//抓拍照片完成返回
		if(this.data.flag == 3) {
			this.data.flag = null;
			this.comparePhoto()
		}
	},

	/**
	 * 生命周期函数--监听页面隐藏
	 */
	onHide: function () {

	},

	/**
	 * 生命周期函数--监听页面卸载
	 */
	onUnload: function () {

	},

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

	},

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

	},

	/**
	 * 用户点击右上角分享
	 */
	onShareAppMessage: function () {

	}
})