网络摄像头
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entry/src/main/ets/common/service/networkCamera.ts
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95
entry/src/main/ets/common/service/networkCamera.ts
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@ -0,0 +1,95 @@
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import http from '@ohos.net.http';
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import buffer from '@ohos.buffer';
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import image from '@ohos.multimedia.image';
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const TAG = 'CameraService';
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export async function ObtainNetworkCameraImages(ip: string,userName: string, pwd: string): Promise<string | null> {
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// const url = "http://192.168.1.125/snapshot.cgi?stream=1&username=admin&password=123456";
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const url = `http://${ip}/snapshot.cgi?stream=1&username=${userName}&password=${pwd}`;
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let httpRequest = http.createHttp();
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console.log(TAG, url)
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try {
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console.info(TAG, 'Starting image request...');
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const response = await httpRequest.request(url, {
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method: http.RequestMethod.GET,
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connectTimeout: 10000,
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readTimeout: 10000,
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expectDataType: http.HttpDataType.ARRAY_BUFFER,
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});
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if (response.responseCode === 200) {
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let arrayBuffer = response.result as ArrayBuffer;
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// 裁剪左半部分
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const croppedBase64 = await cropLeftHalf(arrayBuffer);
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return croppedBase64;
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} else {
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console.error(TAG, `HTTP Error: ${response.responseCode}`);
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return null;
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}
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} catch (error) {
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console.error(TAG, 'An error occurred while fetching the image.', JSON.stringify(error));
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return null;
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} finally {
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httpRequest.destroy();
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}
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}
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async function cropLeftHalf(arrayBuffer: ArrayBuffer): Promise<string> {
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let imageSource: image.ImageSource | null = null;
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let pixelMap: image.PixelMap | null = null;
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try {
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// 1. 创建ImageSource
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imageSource = image.createImageSource(arrayBuffer);
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// 2. 获取图片信息
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const imageInfo = await imageSource.getImageInfo();
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console.info(TAG, `Original image size: ${imageInfo.size.width}x${imageInfo.size.height}`);
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// 3. 计算并定义左半部分的裁剪区域
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const leftHalfWidth = Math.floor(imageInfo.size.width / 2);
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const cropRegion: image.Region = {
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size: {
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width: leftHalfWidth,
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height: imageInfo.size.height
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},
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x: leftHalfWidth,
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y: 0
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};
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// 创建解码选项，并将裁剪区域放入其中
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const decodingOptions: image.DecodingOptions = {
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desiredRegion: cropRegion
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};
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// 4. 创建像素映射并进行裁剪
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pixelMap = await imageSource.createPixelMap(decodingOptions);
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// 5. 将裁剪后的PixelMap转换为ArrayBuffer
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const imagePacker = image.createImagePacker();
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const packedData = await imagePacker.packing(pixelMap, {
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format: "image/jpeg",
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quality: 90
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});
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// 6. 转换为Base64
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const buf = buffer.from(packedData);
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const base64 = buf.toString('base64');
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const result = `${base64}`;
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console.info(TAG, `Left half cropped successfully. Size: ${leftHalfWidth}x${imageInfo.size.height}`);
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return result;
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} catch (error) {
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console.error(TAG, 'Image cropping failed:', JSON.stringify(error));
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return "";
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} finally {
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// 7. 在 finally 块中安全地释放资源
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imageSource?.release();
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pixelMap?.release();
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}
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}
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@ -1,17 +1,13 @@
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import mediaLibrary from '@ohos.multimedia.mediaLibrary'
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import onvifclient from '@ohos.onvifclient';
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import fs from '@ohos.file.fs'
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// @ts-ignore
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import photoAccessHelper from '@ohos.file.photoAccessHelper'
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import dataSharePredicates from '@ohos.data.dataSharePredicates'
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import { dateFormat, getCurrentTime, isSevenDaysAgo } from '../utils/tools'
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// import rtsp_server from '@ohos.rtsprecord';
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import record from '@ohos.rtsprecord';
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import { FileHelper } from './FileHelper';
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import FileUtil from '../utils/File';
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import { GlobalConfig } from '../../config';
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import promptAction from '@ohos.promptAction';
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import { ObtainNetworkCameraImages } from './networkCamera';
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const rtsp_server = record.createServer();
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//开始录屏
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@ -32,8 +28,6 @@ const FILE_ASSET_FETCH_COLUMNS = [photoAccessHelper.PhotoKeys.URI,
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photoAccessHelper.PhotoKeys.DATE_TRASHED,
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photoAccessHelper.PhotoKeys.HIDDEN];
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// const rtsp_server = record.createServer();
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export async function startRecordVideo(param, td, context, dir, path?, index?) {
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return new Promise(async (reslove, reject) => {
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// const fileUtil = new FileUtil(globalThis.context)
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@ -212,74 +206,13 @@ export async function delPic(day, type) {
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}
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export async function takePhoto(param, context, dir, flag = 1, callback?) {
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var video_uri = `rtsp://${param.userName}:${param.pwd}@${param.ip}:${param.port}/h264/ch${param.pztd}/main/av_stream`;
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// var video_uri = `rtsp://admin:openharmony1@192.168.1.66:554/Streaming/Channels/3`;
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const num = Math.floor(Math.random() * 10000)
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const fileName = `picture_record${num}.jpg`
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console.log('baoyihubaoyihu', video_uri, flag)
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console.log(`baoyihu Rtsprecord baohaowen getVideoSnapshot fileName：` + fileName);
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// @ts-ignore
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// var snapResult = rtsp_server.getVideoSnapshot(context, video_uri, '', dir);
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if (flag == 0) {
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// return new
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return new Promise<takePhotoParam>(async (resolve, reject) => {
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rtsp_server.detectVideoSnapshotSize(video_uri, fileName, false, (err, snapResult) => {
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console.log("baohaowen_detectLoop round end size1:" + snapResult.fileSize, snapResult.dataString);
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callback && callback({
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fileSize: snapResult.fileSize,
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errorCode: snapResult.errorCode,
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base64: snapResult.dataString
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})
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resolve({ fileSize: snapResult.fileSize, errorCode: snapResult.errorCode, base64: snapResult.dataString })
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});
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})
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} else {
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return new Promise<takePhotoParam>(async (resolve, reject) => {
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// const time = await getCurrentTime()
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// const date = time.split(' ')[0]
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// let dirName = dir ? dir : date
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rtsp_server.detectVideoSnapshotSize(video_uri, fileName, true, (err, snapResult) => {
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if (snapResult.result && snapResult.errorCode == 0) {
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console.log("baohaowen_detectLoop round end size1:" + snapResult.fileSize, snapResult.dataString);
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callback && callback({
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fileSize: snapResult.fileSize,
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errorCode: snapResult.errorCode,
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base64: snapResult.dataString
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})
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resolve({ fileSize: snapResult.fileSize, errorCode: snapResult.errorCode, base64: snapResult.dataString })
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} else {
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promptAction.showToast({
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message: `拍照失败`,
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duration: 3000
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});
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reject(false)
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}
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});
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// rtsp_server.getVideoSnapshot(context, video_uri, fileName, dirName, true, async (err, snapResult) => {
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// if (snapResult.result && snapResult.errorCode == 0) {
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// resolve({
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// base64: snapResult.dataString,
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// name: snapResult.fileName,
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// fileSize: snapResult.fileSize,
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// errorCode: snapResult.errorCode,
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// path: snapResult.filePath
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// })
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// } else {
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// promptAction.showToast({
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// message: `拍照失败`,
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// duration: 3000
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// });
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// reject(false)
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// // reject()
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// }
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//
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// });
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})
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let base64 = await ObtainNetworkCameraImages(param.ip, param.userName, param.pwd)
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let result : takePhotoParam = {
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name: "",
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base64,
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path: "",
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}
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return result
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}
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export async function deleteAllPicturesFn() {
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@ -16,7 +16,7 @@ export const GlobalConfig={
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//杭州
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hz:{
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km2:['2022.03.14.01','2022.03.17.1'],
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km3:[],
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km3:['2024.08.21.01','2024.08.24.1'],
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},
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//黑龙江
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hlg:{
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@ -52,8 +52,8 @@ export default class EntryAbility extends UIAbility {
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globalThis.deviceNo = '';
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globalThis.hasAuth = false
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globalThis.version = GlobalConfig.version.jn.km3[0];
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globalThis.judgeVersion = GlobalConfig.version.jn.km3[1];
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globalThis.version = GlobalConfig.version.hz.km3[0];
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globalThis.judgeVersion = GlobalConfig.version.hz.km3[1];
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globalThis.tcpSendNum = 0
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globalThis.videoVersion = '1.0'
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globalThis.tcpStep=0
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@ -67,6 +67,8 @@ function ifNeedRetry(code: number | string): boolean {
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}
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export default class Judge {
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private endPhoto: string = ""
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// 过程照片拍照
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getPhoto = async (empty?: boolean) => {
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const singlePlay = globalThis.singlePlay
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@ -536,9 +538,12 @@ export default class Judge {
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private isJudgeDisConnect: boolean;
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// 项目开始接口同步
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beginProject = async (ksxm) => {
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const { judgeUI, fileLog, getSbbm, xmxh, filePath, getPhoto } = this;
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if (ksxm == '11') {
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this.endPhoto = await getPhoto()
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}
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const carInfo = globalThis.carInfo;
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const { examSubject, plateNo } = carInfo;
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const { judgeUI, fileLog, getSbbm, xmxh, filePath } = this;
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const { lsh, idCard, serialNumber, projectsObj, ksdd, kslx, xldm } = judgeUI
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const time = await getCurrentTime();
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const project = projectsObj[ksxm]
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@ -1314,7 +1319,11 @@ export default class Judge {
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// await uploadDisConnectData();
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try {
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const time = await getCurrentTime();
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const photoBase64 = await getPhoto();
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let photoBase64 = this.endPhoto
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if (!photoBase64) {
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photoBase64 = await getPhoto();
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}
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// const photoBase64 = await getPhoto();
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const { d1, d2, d3, d4, d5 } = ksjs
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const data = {
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xtlb: '17',
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@ -1330,7 +1339,6 @@ export default class Judge {
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jssj: time,
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kscj: (totalScore * 1) > 0 ? totalScore : 0,
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kslc: Math.ceil(((ksjs?.qjjl + ksjs?.dcjl) || 0) / 100),
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// 1,22;2,560;3,128;4,0;5,0;
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dwlc: [d1, d2, d3, d4, d5].map((d, index) => `${index + 1},${Math.floor(d / 100)}`).join(';'),
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}
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}
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