Harmony鸿蒙实战开发-背单词app「仿不背单词」【源码在文末】-北京尧图网络

Harmony鸿蒙实战开发-背单词app【源码在文末】文章目录Harmony鸿蒙实战开发-背单词app【源码在文末】一、运行演示1、登录2、注册3、开机动画4、首页5、开始学习6、开始学习-看答案7、统计分析8、不背学堂二、部分代码三、源码运行工具DevEco Studio一、运行演示1、登录2、注册3、开机动画4、首页5、开始学习6、开始学习-看答案7、统计分析8、不背学堂二、部分代码import http from ohos.net.http; import fs from ohos.file.fs; import ReadOptions from ohos.file.fs import common from ohos.app.ability.common; import buffer from ohos.buffer; export namespace YouDaoDict { const BUFFER_FILE_PATH /you_dao_dict_cache.json; export type QueryResult { source: string; pronunciation: { en?: string; us?: string; }; meaning: Array{ position?: string; translation: string; }; sentence: Array{ sentence: string; translation: string; }; }; let queryCache: Recordstring, QueryResult undefined; async function loadLocalCache() { let context getContext(this) as common.UIAbilityContext; let filePath ${context.cacheDir}${BUFFER_FILE_PATH} let file: fs.File; if (!await fs.access(filePath)) { file await fs.open(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE); await fs.write(file.fd, {}); await fs.fdatasync(file.fd); await fs.close(file); } queryCache JSON.parse(await fs.readText(filePath, { encoding: UTF-8 })); } async function cacheQuery(word: string): PromiseQueryResult { if (queryCache undefined) await loadLocalCache(); let result queryCache[word]; if (result ! undefined) return result return null; } async function cacheAdd(word: string, result: QueryResult): Promisevoid { queryCache[word] result; let serialized JSON.stringify(queryCache); let context getContext(this) as common.UIAbilityContext; let filePath ${context.cacheDir}${BUFFER_FILE_PATH} let file await fs.open(filePath, fs.OpenMode.WRITE_ONLY | fs.OpenMode.CREATE); await fs.write(file.fd, serialized); await fs.fsync(file.fd); await fs.close(file); } export async function query(word: string): PromiseQueryResult { let result: QueryResult | null await cacheQuery(word); if (result) return result; let httpReq http.createHttp(); let httpResponse await new Promisehttp.HttpResponse((resolve, reject) { httpReq.request( https://dict.youdao.com/jsonapi_s?doctypejsonjsonversion4, { method: http.RequestMethod.POST, header:{ Content-Type:application/x-www-form-urlencoded }, extraData: q${word} }, (err, data) { if (err ! undefined) reject(err); resolve(data) } ) }) let res JSON.parse(httpResponse.result.toString()); result { source: word, pronunciation: { en: res[ec][word][ukphone] as string, us: res[ec][word][usphone] as string }, meaning: [], sentence: [] }; (res[ec][word][trs] as Array{ pos?: string; tran: string }).forEach(elem { result.meaning.push({ position: elem.pos, translation: elem.tran }); }); (res[blng_sents_part][sentence-pair] as Array{ sentence?: string; sentence-translation: string }).forEach(elem { result.sentence.push({ sentence: elem.sentence, translation: elem[sentence-translation] }); }) cacheAdd(word, result); return result; } }三、源码相关鸿蒙项目点此专栏通过百度网盘分享的文件…zip 链接百度网盘请输入提取码文件已经加密请点击下方名片获取源码或Lvnvn0508

Harmony鸿蒙实战开发-背单词app「仿不背单词」【源码在文末】

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