{"id":108034,"date":"2026-09-20T19:50:15","date_gmt":"2026-09-20T11:50:15","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/108034.html"},"modified":"2026-09-20T19:50:15","modified_gmt":"2026-09-20T11:50:15","slug":"harmonyos-arkts-%e9%9b%b6%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95%e8%ae%b2%e4%b9%89%ef%bc%9a%e4%bb%8e%e7%ac%ac%e4%b8%80%e8%a1%8c%e4%bb%a3%e7%a0%81%e5%88%b0%e5%8f%af%e8%bf%90%e8%a1%8c%e9%a1%b5%e9%9d%a2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/108034.html","title":{"rendered":"HarmonyOS ArkTS \u96f6\u57fa\u7840\u8bed\u6cd5\u8bb2\u4e49\uff1a\u4ece\u7b2c\u4e00\u884c\u4ee3\u7801\u5230\u53ef\u8fd0\u884c\u9875\u9762"},"content":{"rendered":"

0.\u5148\u5efa\u7acb\u6b63\u786e\u8ba4\u8bc6：ArkTS\u3001TypeScript \u4e0e ArkUI \u5206\u522b\u662f\u4ec0\u4e48<\/h2>\n

\u521d\u5b66 HarmonyOS \u65f6，\u6700\u5bb9\u6613\u6df7\u6dc6\u7684\u6709\u4e09\u4e2a\u540d\u8bcd：
\n\"\u540d\u79f0\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a\u4e3b\u8981\u89e3\u51b3\u7684\u95ee\u9898\nJavaScript\u57fa\u7840\u7f16\u7a0b\u8bed\u8a00\u201c\u8ba9\u7a0b\u5e8f\u505a\u4e8b\u201d\nTypeScriptJavaScript<\/p>\n

\u4e00\u53e5\u8bdd\u8bb0\u5fc6：
\n\u2022 ArkTS \u662f\u5199\u903b\u8f91\u3001\u7c7b\u578b\u548c\u6570\u636e\u7684\u8bed\u8a00\u3002
\n\u2022 ArkUI \u662f\u7528 ArkTS \u63cf\u8ff0\u754c\u9762\u7684\u65b9\u5f0f\u3002
\n\u2022 \u4f60\u5728 .ets \u6587\u4ef6\u91cc\u901a\u5e38\u4f1a\u540c\u65f6\u5199\u201c\u6570\u636e\u5904\u7406\u4ee3\u7801\u201d\u548c\u201c\u9875\u9762\u4ee3\u7801\u201d\u3002
\n\u4f8b\u5982：<\/p>\n

let userName: string = '\u5c0f\u660e'; \/\/ ArkTS：\u5b9a\u4e49\u6570\u636e<\/p>\n

Text(`\u4f60\u597d，${userName}`) \/\/ ArkUI：\u628a\u6570\u636e\u753b\u5230\u5c4f\u5e55\u4e0a<\/p>\n

1. \u7b2c\u4e00\u4e2a\u9875\u9762\u957f\u4ec0\u4e48\u6837<\/h2>\n

\u6253\u5f00\u65b0\u9879\u76ee\u4e2d\u7684 Index.ets，\u5e38\u4f1a\u770b\u5230\u7c7b\u4f3c\u4e0b\u9762\u7684\u7ed3\u6784：<\/p>\n

@Entry
\n@Component
\nstruct Index {
\n @State message: string = '\u4f60\u597d，ArkTS！'<\/p>\n

build() {
\n Column() {
\n Text(this.message)
\n .fontSize(28)<\/p>\n

Button('\u70b9\u6211')
\n .margin({ top: 16 })
\n .onClick(() => {
\n this.message = '\u4f60\u521a\u521a\u70b9\u51fb\u4e86\u6309\u94ae'
\n })
\n }
\n .width('100%')
\n .height('100%')
\n .justifyContent(FlexAlign.Center)
\n }
\n}<\/p>\n

\u8fd0\u884c\u540e，\u9875\u9762\u4e0a\u4f1a\u663e\u793a\u4e00\u53e5\u6587\u5b57\u548c\u4e00\u4e2a\u6309\u94ae\u3002\u70b9\u51fb\u6309\u94ae，\u6587\u5b57\u4f1a\u6539\u53d8\u3002
\n\u5148\u4e0d\u8981\u6025\u7740\u8bb0\u4f4f\u5168\u90e8\u8bed\u6cd5\u3002\u4f60\u53ea\u8981\u5148\u7406\u89e3\u8fd9\u56db\u4ef6\u4e8b：<\/p>\n

  • struct Index：\u5b9a\u4e49\u4e00\u4e2a\u53eb Index \u7684\u9875\u9762\u7ec4\u4ef6\u3002<\/li>\n
  • @State message：\u5b9a\u4e49\u4f1a\u5f71\u54cd\u9875\u9762\u663e\u793a\u7684\u6570\u636e\u3002<\/li>\n
  • build()：\u63cf\u8ff0\u9875\u9762\u201c\u5e94\u8be5\u957f\u4ec0\u4e48\u6837\u201d\u3002<\/li>\n
  • onClick：\u63cf\u8ff0\u7528\u6237\u70b9\u51fb\u6309\u94ae\u540e\u201c\u5e94\u8be5\u505a\u4ec0\u4e48\u201d\u3002<\/li>\n

    1.1 @Entry：\u5e94\u7528\u5165\u53e3\u9875\u9762<\/h3>\n

    @Entry
    \n@Component
    \nstruct Index {
    \n build() {
    \n Text('\u6211\u662f\u5e94\u7528\u542f\u52a8\u540e\u6700\u5148\u663e\u793a\u7684\u9875\u9762')
    \n }
    \n}<\/p>\n

    @Entry \u8868\u793a：\u8fd9\u4e2a\u7ec4\u4ef6\u662f\u4e00\u4e2a\u9875\u9762\u5165\u53e3\u3002\u4e00\u4e2a\u9875\u9762\u6587\u4ef6\u901a\u5e38\u53ea\u9700\u8981\u4e00\u4e2a @Entry \u7ec4\u4ef6\u3002<\/p>\n

    1.2 @Component：\u8fd9\u662f\u4e00\u4e2a UI \u7ec4\u4ef6<\/h3>\n

    @Component
    \nstruct WelcomeCard {
    \n build() {
    \n Text('\u6b22\u8fce\u5b66\u4e60 ArkTS')
    \n }
    \n}<\/p>\n

    \u6709\u4e86 @Component，ArkUI \u624d\u77e5\u9053\u8fd9\u4e2a struct \u4e0d\u662f\u666e\u901a\u6570\u636e\u7ed3\u6784，\u800c\u662f\u4e00\u4e2a\u53ef\u7ed8\u5236\u5230\u5c4f\u5e55\u4e0a\u7684\u7ec4\u4ef6\u3002<\/p>\n

    1.3 build()：\u9875\u9762\u7684\u201c\u8bf4\u660e\u4e66\u201d<\/h3>\n

    \u5728 build() \u4e2d，\u4f60\u4e0d\u662f\u624b\u5de5\u521b\u5efa\u50cf\u7d20，\u800c\u662f\u5728\u58f0\u660e：
    \n\u9875\u9762\u91cc\u6709\u54ea\u4e9b\u7ec4\u4ef6，\u5b83\u4eec\u6309\u4ec0\u4e48\u987a\u5e8f\u6392\u5217，\u4f7f\u7528\u4ec0\u4e48\u6570\u636e，\u62e5\u6709\u600e\u6837\u7684\u6837\u5f0f\u3002<\/p>\n

    build() {
    \n Column() {
    \n Text('\u7b2c\u4e00\u884c')
    \n Text('\u7b2c\u4e8c\u884c')
    \n Button('\u7b2c\u4e09\u4e2a\u63a7\u4ef6')
    \n }
    \n}<\/p>\n

    \u8fd9\u6bb5\u4ee3\u7801\u8868\u793a\u7eb5\u5411\u6392\u5217：<\/p>\n

    \u7b2c\u4e00\u884c
    \n\u7b2c\u4e8c\u884c
    \n[\u7b2c\u4e09\u4e2a\u63a7\u4ef6]<\/p>\n

    2. \u6ce8\u91ca：\u7ed9\u672a\u6765\u7684\u81ea\u5df1\u5199\u8bf4\u660e<\/h2>\n

    \u6ce8\u91ca\u4e0d\u4f1a\u6267\u884c，\u53ea\u662f\u89e3\u91ca\u4ee3\u7801\u3002<\/p>\n

    \/\/ \u5355\u884c\u6ce8\u91ca：\u8fd9\u4e00\u884c\u4e0d\u4f1a\u6267\u884c<\/p>\n

    \/*
    \n \u591a\u884c\u6ce8\u91ca：
    \n \u53ef\u4ee5\u5199\u5f88\u591a\u884c\u8bf4\u660e\u3002
    \n*\/<\/p>\n

    \u63a8\u8350\u517b\u6210\u4e24\u4e2a\u4e60\u60ef：
    \n\u2022 \u5bf9\u201c\u4e3a\u4ec0\u4e48\u8fd9\u6837\u5199\u201d\u6dfb\u52a0\u6ce8\u91ca\u3002
    \n\u2022 \u4e0d\u8981\u7ed9\u663e\u800c\u6613\u89c1\u7684\u8bed\u53e5\u6dfb\u52a0\u65e0\u610f\u4e49\u6ce8\u91ca\u3002
    \n\u4e0d\u592a\u6709\u5e2e\u52a9：<\/p>\n

    let age: number = 18; \/\/ \u5b9a\u4e49\u5e74\u9f84<\/p>\n

    \u66f4\u6709\u5e2e\u52a9：<\/p>\n

    \/\/ \u8ba2\u5355\u91d1\u989d\u4ee5\u201c\u5206\u201d\u4e3a\u5355\u4f4d\u4fdd\u5b58，\u907f\u514d\u6d6e\u70b9\u6570\u8ba1\u7b97\u8bef\u5dee
    \nlet amountInFen: number = 1999;<\/p>\n

    3. \u53d8\u91cf：\u8ba9\u7a0b\u5e8f\u8bb0\u4f4f\u6570\u636e<\/h2>\n

    \u53d8\u91cf\u53ef\u4ee5\u7406\u89e3\u4e3a\u201c\u6709\u540d\u5b57\u7684\u76d2\u5b50\u201d\u3002\u4f60\u628a\u6570\u636e\u653e\u8fdb\u76d2\u5b50，\u540e\u7eed\u901a\u8fc7\u540d\u5b57\u53d6\u51fa\u6765\u3002
    \nArkTS \u4e2d\u6700\u5e38\u7528\u7684\u53d8\u91cf\u58f0\u660e\u65b9\u5f0f\u662f let \u548c const\u3002<\/p>\n

    let score: number = 60;
    \nscore = 95;<\/p>\n

    const appName: string = '\u5b66\u4e60\u52a9\u624b';
    \n\/\/ appName = '\u65b0\u540d\u79f0'; \/\/ \u9519\u8bef：const \u58f0\u660e\u7684\u53d8\u91cf\u4e0d\u80fd\u91cd\u65b0\u8d4b\u503c<\/p>\n

    3.1 let \u548c const \u600e\u4e48\u9009<\/h3>\n

    \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    let page: number = 1;
    \npage = 2;<\/p>\n

    const maxPageSize: number = 20;<\/p>\n

    \u521d\u5b66\u65f6\u53ef\u4ee5\u91c7\u7528\u7b80\u5355\u89c4\u5219：
    \n\u9ed8\u8ba4\u5148\u5199 const；\u53ea\u6709\u786e\u5b9e\u9700\u8981\u6539\u53d8\u53d8\u91cf\u503c\u65f6，\u624d\u4f7f\u7528 let\u3002<\/p>\n

    3.2 \u4e0d\u63a8\u8350\u968f\u610f\u4f7f\u7528 var<\/h3>\n

    \u4f60\u53ef\u80fd\u4f1a\u5728\u65e7 JavaScript \u6559\u7a0b\u4e2d\u770b\u5230 var：
    \nvar oldStyle: string = \u2018\u65e7\u5199\u6cd5\u2019;
    \n\u73b0\u4ee3 ArkTS \u5f00\u53d1\u4e2d\u4f18\u5148\u4f7f\u7528 let \u548c const\u3002\u5b83\u4eec\u7684\u4f5c\u7528\u8303\u56f4\u66f4\u6e05\u695a，\u66f4\u4e0d\u5bb9\u6613\u4ea7\u751f\u96be\u4ee5\u6392\u67e5\u7684\u9519\u8bef\u3002<\/p>\n

    4. \u57fa\u672c\u6570\u636e\u7c7b\u578b：\u7ed9\u6570\u636e\u8d34\u4e0a\u201c\u6807\u7b7e\u201d<\/h2>\n

    \u7c7b\u578b\u544a\u8bc9\u7f16\u8bd1\u5668：\u8fd9\u4e2a\u53d8\u91cf\u91cc\u51c6\u5907\u88c5\u4ec0\u4e48\u6570\u636e\u3002<\/p>\n

    let name: string = '\u5c0f\u534e';
    \nlet age: number = 18;
    \nlet isStudent: boolean = true;<\/p>\n

    4.1 string：\u6587\u672c<\/h3>\n

    \u6587\u672c\u5fc5\u987b\u7528\u5355\u5f15\u53f7\u3001\u53cc\u5f15\u53f7\u6216\u53cd\u5f15\u53f7\u5305\u8d77\u6765\u3002<\/p>\n

    let city: string = '\u6df1\u5733';
    \nlet school: string = "\u9e3f\u8499\u5b66\u9662";
    \nlet greeting: string = `\u6b22\u8fce\u6765\u5230 ${city}`;<\/p>\n

    \u63a8\u8350\u4f7f\u7528\u6a21\u677f\u5b57\u7b26\u4e32（\u53cd\u5f15\u53f7）\u62fc\u63a5\u6587\u672c：<\/p>\n

    let userName: string = '\u5c0f\u534e';
    \nlet age: number = 18;<\/p>\n

    let text: string = `\u6211\u662f${userName}，\u4eca\u5e74${age}\u5c81\u3002`;<\/p>\n

    \u4e0d\u63a8\u8350\u521d\u5b66\u65f6\u5927\u91cf\u4f7f\u7528 + \u62fc\u63a5：
    \nlet text: string = \u2018\u6211\u662f\u2019 + userName + \u2018，\u4eca\u5e74\u2019 + age + \u2018\u5c81\u3002\u2019;
    \n\u6a21\u677f\u5b57\u7b26\u4e32\u53ef\u8bfb\u6027\u66f4\u597d\u3002
    \n\u5e38\u7528\u6587\u672c\u64cd\u4f5c：<\/p>\n

    let title: string = ' ArkTS \u5165\u95e8 ';<\/p>\n

    let length: number = title.length; \/\/ \u6587\u672c\u957f\u5ea6
    \nlet upper: string = title.toUpperCase(); \/\/ \u8f6c\u5927\u5199
    \nlet lower: string = title.toLowerCase(); \/\/ \u8f6c\u5c0f\u5199
    \nlet clean: string = title.trim(); \/\/ \u53bb\u6389\u9996\u5c3e\u7a7a\u683c
    \nlet hasArk: boolean = title.includes('Ark'); \/\/ \u662f\u5426\u5305\u542b\u67d0\u6587\u672c<\/p>\n

    4.2 number：\u6570\u5b57<\/h3>\n

    number \u53ef\u8868\u793a\u6574\u6570\u548c\u5c0f\u6570\u3002<\/p>\n

    let count: number = 10;
    \nlet price: number = 19.9;
    \nlet total: number = count * price;<\/p>\n

    \u5e38\u89c1\u8fd0\u7b97\u7b26：
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    let apples: number = 10;
    \napples = apples + 1;
    \napples += 1; \/\/ \u7b49\u4ef7\u4e8e apples = apples + 1<\/p>\n

    4.3 boolean：\u771f\u6216\u5047<\/h3>\n

    \u5e03\u5c14\u503c\u53ea\u6709\u4e24\u4e2a：<\/p>\n

    let isLogin: boolean = true;
    \nlet isVip: boolean = false;<\/p>\n

    \u6ce8\u610f：true \u548c false \u4e0d\u8981\u52a0\u5f15\u53f7\u3002\u52a0\u4e86\u5f15\u53f7\u540e\u5b83\u4eec\u4f1a\u53d8\u6210\u6587\u672c\u3002<\/p>\n

    let correct: boolean = true;
    \nlet wrong: string = 'true';<\/p>\n

    4.4 undefined \u4e0e null：\u6ca1\u6709\u503c，\u8981\u8c28\u614e\u5904\u7406<\/h3>\n

    \u521d\u5b66\u9636\u6bb5\u6700\u91cd\u8981\u7684\u539f\u5219\u662f：
    \n\u4e0d\u786e\u5b9a\u6570\u636e\u662f\u5426\u5b58\u5728\u65f6，\u5148\u68c0\u67e5，\u518d\u4f7f\u7528\u3002<\/p>\n

    let nickName: string | undefined = undefined;<\/p>\n

    if (nickName !== undefined) {
    \n console.info(nickName.toUpperCase());
    \n} else {
    \n console.info('\u7528\u6237\u5c1a\u672a\u8bbe\u7f6e\u6635\u79f0');
    \n}<\/p>\n

    string | undefined \u7684\u610f\u601d\u662f：\u8fd9\u4e2a\u53d8\u91cf\u8981\u4e48\u662f\u6587\u672c，\u8981\u4e48\u6ca1\u6709\u503c\u3002<\/p>\n

    5. \u7c7b\u578b\u63a8\u65ad：\u6709\u65f6\u53ef\u4ee5\u4e0d\u624b\u5199\u7c7b\u578b<\/h2>\n

    \u5982\u679c\u53f3\u4fa7\u7684\u503c\u975e\u5e38\u660e\u786e，ArkTS \u901a\u5e38\u53ef\u4ee5\u81ea\u52a8\u63a8\u65ad\u7c7b\u578b：<\/p>\n

    let name = '\u5c0f\u660e'; \/\/ \u63a8\u65ad\u4e3a string
    \nlet age = 20; \/\/ \u63a8\u65ad\u4e3a number
    \nlet isReady = true; \/\/ \u63a8\u65ad\u4e3a boolean<\/p>\n

    \u4e0d\u8fc7\u5728\u5b66\u4e60\u9636\u6bb5\u3001\u51fd\u6570\u53c2\u6570\u3001\u5bf9\u8c61\u7ed3\u6784\u3001\u63a5\u53e3\u8fb9\u754c\u5904，\u5efa\u8bae\u660e\u786e\u5199\u51fa\u7c7b\u578b：<\/p>\n

    let courseName: string = 'ArkTS';
    \nlet lessonCount: number = 12;<\/p>\n

    \u8fd9\u6837\u4f60\u81ea\u5df1\u548c\u7f16\u8bd1\u5668\u90fd\u66f4\u5bb9\u6613\u53d1\u73b0\u95ee\u9898\u3002<\/p>\n

    6. \u8fd0\u7b97\u4e0e\u6bd4\u8f83：\u7a0b\u5e8f\u5982\u4f55\u201c\u5224\u65ad\u201d<\/h2>\n

    6.1 \u6bd4\u8f83\u8fd0\u7b97\u7b26<\/h3>\n

    let score: number = 85;<\/p>\n

    console.info(score > 60); \/\/ true
    \nconsole.info(score >= 85); \/\/ true
    \nconsole.info(score < 100); \/\/ true
    \nconsole.info(score === 85); \/\/ true
    \nconsole.info(score !== 85); \/\/ false<\/p>\n

    \u521d\u5b66\u65f6\u8bf7\u4f18\u5148\u4f7f\u7528\u4e25\u683c\u76f8\u7b49 === \u548c\u4e25\u683c\u4e0d\u7b49 !==\u3002<\/p>\n

    let value: number = 1;<\/p>\n

    \/\/ \u63a8\u8350
    \nif (value === 1) {
    \n console.info('\u503c\u4e3a 1');
    \n}<\/p>\n

    6.2 \u903b\u8f91\u8fd0\u7b97\u7b26<\/h3>\n

    let age: number = 20;
    \nlet hasTicket: boolean = true;<\/p>\n

    let canEnter: boolean = age >= 18 && hasTicket;
    \nlet needsHelp: boolean = age < 18 || !hasTicket;<\/p>\n

    \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    7. \u6761\u4ef6\u5224\u65ad：\u8ba9\u7a0b\u5e8f\u505a\u4e0d\u540c\u9009\u62e9<\/h2>\n

    7.1 if \/ else if \/ else<\/h3>\n

    function getLevel(score: number): string {
    \n if (score >= 90) {
    \n return '\u4f18\u79c0';
    \n } else if (score >= 60) {
    \n return '\u53ca\u683c';
    \n } else {
    \n return '\u9700\u8981\u7ee7\u7eed\u52aa\u529b';
    \n }
    \n}<\/p>\n

    \u8c03\u7528：<\/p>\n

    let result: string = getLevel(85);
    \nconsole.info(result); \/\/ \u53ca\u683c<\/p>\n

    \u8bfb\u4ee3\u7801\u65f6\u53ef\u4ee5\u6309\u81ea\u7136\u8bed\u8a00\u7406\u89e3：<\/p>\n

    \u5982\u679c \u5206\u6570\u5927\u4e8e\u7b49\u4e8e 90：\u4f18\u79c0
    \n\u5426\u5219\u5982\u679c \u5206\u6570\u5927\u4e8e\u7b49\u4e8e 60：\u53ca\u683c
    \n\u5426\u5219：\u9700\u8981\u7ee7\u7eed\u52aa\u529b<\/p>\n

    7.2 \u4e09\u5143\u8868\u8fbe\u5f0f：\u7b80\u5355\u4e8c\u9009\u4e00<\/h3>\n

    \u5f53\u5224\u65ad\u53ea\u6709\u4e24\u4e2a\u7ed3\u679c\u65f6\u53ef\u4f7f\u7528：<\/p>\n

    let isLogin: boolean = true;
    \nlet displayText: string = isLogin ? '\u6b22\u8fce\u56de\u6765' : '\u8bf7\u5148\u767b\u5f55';<\/p>\n

    \u683c\u5f0f\u662f：<\/p>\n

    \u6761\u4ef6 ? \u6761\u4ef6\u6210\u7acb\u65f6\u7684\u503c : \u6761\u4ef6\u4e0d\u6210\u7acb\u65f6\u7684\u503c<\/p>\n

    \u4e0d\u8981\u628a\u8fc7\u4e8e\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u585e\u8fdb\u4e09\u5143\u8868\u8fbe\u5f0f；\u590d\u6742\u65f6\u8bf7\u6539\u7528 if\u3002<\/p>\n

    7.3 switch：\u591a\u4e2a\u56fa\u5b9a\u9009\u9879<\/h3>\n

    function getWeekText(day: number): string {
    \n switch (day) {
    \n case 1:
    \n return '\u661f\u671f\u4e00';
    \n case 2:
    \n return '\u661f\u671f\u4e8c';
    \n case 3:
    \n return '\u661f\u671f\u4e09';
    \n default:
    \n return '\u5176\u4ed6\u65e5\u671f';
    \n }
    \n}<\/p>\n

    \u5f53\u4f60\u662f\u5728\u6bd4\u8f83\u201c\u4e00\u4e2a\u503c\u5bf9\u5e94\u591a\u4e2a\u56fa\u5b9a\u60c5\u51b5\u201d\u65f6，switch \u5f88\u5408\u9002\u3002<\/p>\n

    8. \u5faa\u73af：\u91cd\u590d\u505a\u4e00\u4ef6\u4e8b<\/h2>\n

    8.1 for \u5faa\u73af<\/h3>\n

    for (let index: number = 1; index <= 5; index++) {
    \n console.info(`\u7b2c ${index} \u6b21\u7ec3\u4e60`);
    \n}<\/p>\n

    \u5b83\u7531\u4e09\u90e8\u5206\u7ec4\u6210：<\/p>\n

    for (\u521d\u59cb\u5316; \u7ee7\u7eed\u6761\u4ef6; \u6bcf\u8f6e\u7ed3\u675f\u540e\u7684\u53d8\u5316) {
    \n \u91cd\u590d\u6267\u884c\u7684\u4ee3\u7801
    \n}<\/p>\n

    8.2 \u904d\u5386\u6570\u7ec4：for\u2026of<\/h3>\n

    let fruits: string[] = ['\u82f9\u679c', '\u9999\u8549', '\u6a59\u5b50'];<\/p>\n

    for (const fruit of fruits) {
    \n console.info(fruit);
    \n}<\/p>\n

    \u5bf9\u4e8e\u521d\u5b66\u8005，\u8bfb\u53d6\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u9879\u65f6，\u4f18\u5148\u8003\u8651 for\u2026of\u3002\u5b83\u6bd4\u624b\u52a8\u5199\u4e0b\u6807\u66f4\u76f4\u89c2\u3002<\/p>\n

    8.3 while \u5faa\u73af<\/h3>\n

    let current: number = 1;<\/p>\n

    while (current <= 3) {
    \n console.info(`\u5f53\u524d\u503c：${current}`);
    \n current++;
    \n}<\/p>\n

    \u4f7f\u7528 while \u65f6\u4e00\u5b9a\u8981\u786e\u4fdd\u5faa\u73af\u6761\u4ef6\u6700\u7ec8\u4f1a\u53d8\u6210 false，\u5426\u5219\u53ef\u80fd\u51fa\u73b0\u6b7b\u5faa\u73af\u3002
    \n\u9519\u8bef\u793a\u4f8b：<\/p>\n

    let count: number = 1;<\/p>\n

    \/\/ \u4e0d\u8981\u8fd0\u884c\u8fd9\u6837\u7684\u4ee3\u7801：count \u6c38\u8fdc\u6ca1\u6709\u53d8\u5316
    \n\/\/ while (count <= 3) {
    \n\/\/ console.info(count);
    \n\/\/ }<\/p>\n

    9. \u6570\u7ec4：\u6309\u987a\u5e8f\u4fdd\u5b58\u4e00\u7ec4\u6570\u636e<\/h2>\n

    \u6570\u7ec4\u7528\u4e8e\u4fdd\u5b58\u591a\u4e2a\u540c\u7c7b\u6570\u636e\u3002<\/p>\n

    let scores: number[] = [80, 90, 100];
    \nlet names: string[] = ['\u5c0f\u7ea2', '\u5c0f\u84dd', '\u5c0f\u7eff'];<\/p>\n

    9.1 \u8bfb\u53d6\u6570\u7ec4\u5143\u7d20<\/h3>\n

    \u6570\u7ec4\u4e0b\u6807\u4ece 0 \u5f00\u59cb：<\/p>\n

    let cities: string[] = ['\u5317\u4eac', '\u4e0a\u6d77', '\u5e7f\u5dde'];<\/p>\n

    console.info(cities[0]); \/\/ \u5317\u4eac
    \nconsole.info(cities[1]); \/\/ \u4e0a\u6d77<\/p>\n

    9.2 \u5e38\u7528\u6570\u7ec4\u64cd\u4f5c<\/h3>\n

    let tasks: string[] = ['\u5b66\u4e60\u53d8\u91cf', '\u5b66\u4e60\u51fd\u6570'];<\/p>\n

    tasks.push('\u5b66\u4e60\u7ec4\u4ef6'); \/\/ \u672b\u5c3e\u6dfb\u52a0
    \nconsole.info(tasks.length);<\/p>\n

    let firstTask: string | undefined = tasks.shift(); \/\/ \u5220\u9664\u5e76\u53d6\u5f97\u7b2c\u4e00\u4e2a\u5143\u7d20
    \nconsole.info(firstTask);<\/p>\n

    \u5728 UI \u72b6\u6001\u4e2d，\u63a8\u8350\u8fd4\u56de\u65b0\u6570\u7ec4，\u800c\u4e0d\u662f\u5c31\u5730\u4fee\u6539\u590d\u6742\u5bf9\u8c61\u3002\u8fd9\u6837\u9875\u9762\u66f4\u65b0\u66f4\u7a33\u5b9a\u3001\u4ee3\u7801\u4e5f\u66f4\u5bb9\u6613\u7406\u89e3：<\/p>\n

    let oldList: number[] = [1, 2, 3];
    \nlet newList: number[] = oldList.map((item: number) => item * 2);<\/p>\n

    \/\/ oldList \u662f [1, 2, 3]
    \n\/\/ newList \u662f [2, 4, 6]<\/p>\n

    9.3 \u5e38\u89c1\u6570\u7ec4\u65b9\u6cd5<\/h3>\n

    let scores: number[] = [60, 75, 90, 100];<\/p>\n

    let passed: number[] = scores.filter((score: number) => score >= 60);
    \nlet doubled: number[] = scores.map((score: number) => score * 2);
    \nlet hasPerfect: boolean = scores.some((score: number) => score === 100);
    \nlet allPassed: boolean = scores.every((score: number) => score >= 60);<\/p>\n

    \u5b83\u4eec\u7684\u8bed\u4e49\u662f：
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    10. \u5bf9\u8c61：\u63cf\u8ff0\u4e00\u4ef6\u6709\u591a\u4e2a\u5c5e\u6027\u7684\u4e8b\u7269<\/h2>\n

    \u5982\u679c\u4e00\u4e2a\u5b66\u751f\u4e0d\u4ec5\u6709\u59d3\u540d，\u8fd8\u6709\u5e74\u9f84\u548c\u662f\u5426\u5df2\u62a5\u540d，\u5c31\u9002\u5408\u7528\u5bf9\u8c61：<\/p>\n

    let student: {
    \n name: string;
    \n age: number;
    \n enrolled: boolean;
    \n} = {
    \n name: '\u5c0f\u660e',
    \n age: 18,
    \n enrolled: true
    \n};<\/p>\n

    console.info(student.name);
    \nconsole.info(student.age);<\/p>\n

    \u4f46\u5bf9\u8c61\u5b57\u6bb5\u8f83\u591a\u65f6，\u5efa\u8bae\u4f7f\u7528 interface\u3002<\/p>\n

    11. interface：\u7ed9\u5bf9\u8c61\u5236\u5b9a\u7edf\u4e00\u7ed3\u6784<\/h2>\n

    \u63a5\u53e3\u662f\u4e00\u4efd\u201c\u6570\u636e\u7ed3\u6784\u7ea6\u5b9a\u201d\u3002\u5b83\u4e0d\u76f4\u63a5\u521b\u5efa\u5bf9\u8c61，\u800c\u662f\u89c4\u5b9a\u5bf9\u8c61\u5fc5\u987b\u6709\u4ec0\u4e48\u5b57\u6bb5\u3001\u6bcf\u4e2a\u5b57\u6bb5\u662f\u4ec0\u4e48\u7c7b\u578b\u3002<\/p>\n

    interface Student {
    \n id: number;
    \n name: string;
    \n age: number;
    \n enrolled: boolean;
    \n}<\/p>\n

    \u6309\u63a5\u53e3\u521b\u5efa\u5bf9\u8c61：<\/p>\n

    let student: Student = {
    \n id: 1,
    \n name: '\u5c0f\u660e',
    \n age: 18,
    \n enrolled: true
    \n};<\/p>\n

    \u5982\u679c\u6f0f\u6389\u5b57\u6bb5，\u7f16\u8bd1\u5668\u4f1a\u63d0\u9192\u4f60：<\/p>\n

    \/\/ \u9519\u8bef\u793a\u610f：\u7f3a\u5c11 enrolled
    \n\/\/ let invalidStudent: Student = {
    \n\/\/ id: 2,
    \n\/\/ name: '\u5c0f\u7ea2',
    \n\/\/ age: 19
    \n\/\/ };<\/p>\n

    11.1 \u53ef\u9009\u5c5e\u6027 ?<\/h3>\n

    \u6709\u4e9b\u5c5e\u6027\u53ef\u4ee5\u6ca1\u6709：<\/p>\n

    interface UserProfile {
    \n id: number;
    \n name: string;
    \n avatarUrl?: string;
    \n}<\/p>\n

    let user: UserProfile = {
    \n id: 1,
    \n name: '\u5c0f\u534e'
    \n};<\/p>\n

    \u8bfb\u53d6\u53ef\u9009\u5c5e\u6027\u65f6\u8981\u515c\u5e95：<\/p>\n

    let avatarText: string = user.avatarUrl ?? '\u672a\u8bbe\u7f6e\u5934\u50cf';
    \nconsole.info(avatarText);<\/p>\n

    ?? \u7684\u610f\u601d\u662f：\u5982\u679c\u5de6\u8fb9\u662f null \u6216 undefined，\u5c31\u4f7f\u7528\u53f3\u8fb9\u7684\u9ed8\u8ba4\u503c\u3002<\/p>\n

    12. \u51fd\u6570：\u628a\u53ef\u91cd\u590d\u7684\u903b\u8f91\u88c5\u8d77\u6765<\/h2>\n

    \u51fd\u6570\u76f8\u5f53\u4e8e\u4e00\u4e2a\u53ef\u91cd\u590d\u8c03\u7528\u7684\u5c0f\u5de5\u5177\u3002<\/p>\n

    function sayHello(): void {
    \n console.info('\u4f60\u597d，ArkTS！');
    \n}<\/p>\n

    \u8c03\u7528\u51fd\u6570：<\/p>\n

    sayHello();<\/p>\n

    12.1 \u5e26\u53c2\u6570\u7684\u51fd\u6570<\/h3>\n

    function greet(name: string): string {
    \n return `\u4f60\u597d，${name}！`;
    \n}<\/p>\n

    let message: string = greet('\u5c0f\u660e');
    \nconsole.info(message);<\/p>\n

    \u8fd9\u91cc：
    \n\u2022 name: string \u662f\u8f93\u5165\u53c2\u6570\u3002
    \n\u2022 : string \u662f\u51fd\u6570\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002
    \n\u2022 return \u8868\u793a\u628a\u7ed3\u679c\u4ea4\u8fd8\u7ed9\u8c03\u7528\u8005\u3002<\/p>\n

    12.2 \u6ca1\u6709\u8fd4\u56de\u503c：void<\/h3>\n

    function printWelcome(): void {
    \n console.info('\u6b22\u8fce\u5f00\u59cb\u5b66\u4e60');
    \n}<\/p>\n

    void \u8868\u793a\u8be5\u51fd\u6570\u53ea\u505a\u4e8b\u60c5，\u4e0d\u8fd4\u56de\u53ef\u4f9b\u4fdd\u5b58\u7684\u7ed3\u679c\u3002<\/p>\n

    12.3 \u591a\u4e2a\u53c2\u6570<\/h3>\n

    function add(left: number, right: number): number {
    \n return left + right;
    \n}<\/p>\n

    let sum: number = add(3, 5);<\/p>\n

    12.4 \u9ed8\u8ba4\u53c2\u6570<\/h3>\n

    function createTitle(text: string, prefix: string = '\u8bfe\u7a0b：'): string {
    \n return `${prefix}${text}`;
    \n}<\/p>\n

    console.info(createTitle('ArkTS \u5165\u95e8'));
    \nconsole.info(createTitle('ArkUI \u5e03\u5c40', '\u7ae0\u8282：'));<\/p>\n

    12.5 \u7bad\u5934\u51fd\u6570<\/h3>\n

    \u7bad\u5934\u51fd\u6570\u5e38\u7528\u4e8e\u6309\u94ae\u70b9\u51fb\u3001\u6570\u7ec4\u5904\u7406\u7b49\u573a\u666f：<\/p>\n

    let multiply = (left: number, right: number): number => {
    \n return left * right;
    \n};<\/p>\n

    console.info(multiply(2, 3));<\/p>\n

    \u5f53\u53ea\u6709\u4e00\u884c\u8fd4\u56de\u503c\u65f6\u53ef\u4ee5\u7b80\u5199：<\/p>\n

    let square = (value: number): number => value * value;
    \nArkUI \u4e2d\u4f60\u4f1a\u7ecf\u5e38\u89c1\u5230：
    \nButton('\u70b9\u51fb')
    \n .onClick(() => {
    \n console.info('\u6309\u94ae\u88ab\u70b9\u51fb');
    \n })<\/p>\n

    \u8fd9\u4e2a () => {} \u5c31\u662f\u201c\u70b9\u51fb\u53d1\u751f\u65f6\u518d\u6267\u884c\u7684\u51fd\u6570\u201d\u3002<\/p>\n

    13. \u7c7b：\u628a\u6570\u636e\u548c\u884c\u4e3a\u653e\u5728\u4e00\u8d77<\/h2>\n

    \u7c7b\u9002\u5408\u63cf\u8ff0\u201c\u6709\u72b6\u6001\u3001\u6709\u884c\u4e3a\u201d\u7684\u5bf9\u8c61\u3002<\/p>\n

    class Counter {
    \n private value: number = 0;<\/p>\n

    increase(): void {
    \n this.value++;
    \n }<\/p>\n

    getValue(): number {
    \n return this.value;
    \n }
    \n}<\/p>\n

    let counter: Counter = new Counter();
    \ncounter.increase();
    \nconsole.info(counter.getValue()); \/\/ 1<\/p>\n

    \u7406\u89e3\u5173\u952e\u5b57：
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"
    \n\u521d\u5b66\u9636\u6bb5\u53ef\u4ee5\u4f18\u5148\u638c\u63e1 interface \u548c\u51fd\u6570；\u5f53\u4e1a\u52a1\u5bf9\u8c61\u786e\u5b9e\u9700\u8981\u5c01\u88c5\u65b9\u6cd5\u4e0e\u5185\u90e8\u72b6\u6001\u65f6，\u518d\u4f7f\u7528\u7c7b\u3002<\/p>\n

    14. \u679a\u4e3e：\u7ed9\u6709\u9650\u9009\u9879\u53d6\u540d\u5b57<\/h2>\n

    \u4f8b\u5982\u4efb\u52a1\u72b6\u6001\u53ea\u6709\u4e09\u79cd，\u4e0e\u5176\u5230\u5904\u5199\u6570\u5b57，\u4e0d\u5982\u4f7f\u7528\u679a\u4e3e：<\/p>\n

    enum TaskStatus {
    \n Todo,
    \n Doing,
    \n Done
    \n}<\/p>\n

    let status: TaskStatus = TaskStatus.Doing;<\/p>\n

    if (status === TaskStatus.Doing) {
    \n console.info('\u4efb\u52a1\u6b63\u5728\u8fdb\u884c');
    \n}<\/p>\n

    \u679a\u4e3e\u8ba9\u4ee3\u7801\u66f4\u5bb9\u6613\u8bfb：<\/p>\n

    \/\/ \u4e0d\u591f\u76f4\u89c2
    \nlet state: number = 1;<\/p>\n

    \/\/ \u66f4\u76f4\u89c2
    \nlet state: TaskStatus = TaskStatus.Doing;<\/p>\n

    15. \u8054\u5408\u7c7b\u578b\u3001\u7c7b\u578b\u522b\u540d\u4e0e\u7c7b\u578b\u5b88\u536b<\/h2>\n

    15.1 \u8054\u5408\u7c7b\u578b<\/h3>\n

    \u4e00\u4e2a\u503c\u6709\u65f6\u53ef\u4ee5\u662f\u591a\u79cd\u7c7b\u578b\u4e4b\u4e00：<\/p>\n

    let orderId: number | string = 1001;
    \norderId = 'A-1002';<\/p>\n

    \u4f46\u4f7f\u7528\u524d\u8981\u5148\u5224\u65ad\u771f\u5b9e\u7c7b\u578b：<\/p>\n

    function formatOrderId(id: number | string): string {
    \n if (typeof id === 'number') {
    \n return `\u6570\u5b57\u8ba2\u5355：${id}`;
    \n }
    \n return `\u6587\u672c\u8ba2\u5355：${id.toUpperCase()}`;
    \n}<\/p>\n

    \u8fd9\u91cc\u7684 typeof \u5224\u65ad\u53eb\u505a\u4e00\u79cd\u7c7b\u578b\u5b88\u536b：\u5b83\u5e2e\u52a9\u7f16\u8bd1\u5668\u786e\u8ba4\u67d0\u6bb5\u4ee3\u7801\u4e2d\u7684\u5b9e\u9645\u7c7b\u578b\u3002<\/p>\n

    15.2 \u7c7b\u578b\u522b\u540d type<\/h3>\n

    \u5982\u679c\u4e00\u6bb5\u7c7b\u578b\u5b9a\u4e49\u6bd4\u8f83\u957f，\u53ef\u4ee5\u53d6\u4e00\u4e2a\u540d\u5b57：<\/p>\n

    type CourseLevel = '\u521d\u7ea7' | '\u4e2d\u7ea7' | '\u9ad8\u7ea7';<\/p>\n

    let level: CourseLevel = '\u521d\u7ea7';<\/p>\n

    \u8fd9\u80fd\u9650\u5236\u503c\u53ea\u80fd\u662f\u4e09\u4e2a\u6307\u5b9a\u6587\u672c\u4e4b\u4e00\u3002<\/p>\n

    16. \u5f02\u5e38\u5904\u7406：\u9884\u6599\u5931\u8d25，\u800c\u4e0d\u662f\u5bb3\u6015\u5931\u8d25<\/h2>\n

    \u7a0b\u5e8f\u53ef\u80fd\u9047\u5230\u7f51\u7edc\u5931\u8d25\u3001\u6570\u636e\u683c\u5f0f\u4e0d\u5bf9\u3001\u6743\u9650\u4e0d\u8db3\u7b49\u95ee\u9898\u3002\u5bf9\u53ef\u80fd\u629b\u51fa\u5f02\u5e38\u7684\u903b\u8f91，\u53ef\u4ee5\u4f7f\u7528 try \/ catch：<\/p>\n

    function parseScore(text: string): number {
    \n let result: number = Number(text);<\/p>\n

    if (Number.isNaN(result)) {
    \n throw new Error('\u5206\u6570\u4e0d\u662f\u6709\u6548\u6570\u5b57');
    \n }<\/p>\n

    return result;
    \n}<\/p>\n

    try {
    \n let score: number = parseScore('90');
    \n console.info(`\u5206\u6570\u4e3a：${score}`);
    \n} catch (error) {
    \n console.error(`\u5904\u7406\u5931\u8d25：${String(error)}`);
    \n}<\/p>\n

    \u521d\u5b66\u65f6\u5148\u8bb0\u4f4f\u8fd9\u4e2a\u6a21\u5f0f：<\/p>\n

    try {
    \n \/\/ \u53ef\u80fd\u5931\u8d25\u7684\u4ee3\u7801
    \n} catch (error) {
    \n \/\/ \u5931\u8d25\u540e\u7684\u5904\u7406
    \n}<\/p>\n

    \u4e0d\u8981\u4e3a\u4e86\u201c\u770b\u8d77\u6765\u5b89\u5168\u201d\u800c\u541e\u6389\u9519\u8bef\u3002\u81f3\u5c11\u5e94\u8bb0\u5f55\u9519\u8bef\u6216\u7ed9\u7528\u6237\u4e00\u4e2a\u660e\u786e\u63d0\u793a\u3002<\/p>\n

    17. \u5f02\u6b65\u7f16\u7a0b：\u7b49\u5f85\u8017\u65f6\u64cd\u4f5c\u5b8c\u6210<\/h2>\n

    \u7f51\u7edc\u8bf7\u6c42\u3001\u6587\u4ef6\u8bfb\u5199\u3001\u6570\u636e\u5e93\u64cd\u4f5c\u901a\u5e38\u4e0d\u4f1a\u77ac\u95f4\u5b8c\u6210\u3002\u5f02\u6b65\u4ee3\u7801\u5141\u8bb8\u7a0b\u5e8f\u7b49\u5f85\u7ed3\u679c，\u800c\u4e0d\u628a\u9875\u9762\u5b8c\u5168\u5361\u4f4f\u3002<\/p>\n

    17.1 Promise<\/h3>\n

    Promise \u53ef\u4ee5\u7406\u89e3\u4e3a\u201c\u672a\u6765\u4f1a\u62ff\u5230\u4e00\u4e2a T \u7c7b\u578b\u7684\u7ed3\u679c\u201d\u3002<\/p>\n

    function getCourseName(): Promise<string> {
    \n return Promise.resolve('ArkTS \u96f6\u57fa\u7840\u8bfe\u7a0b');
    \n}<\/p>\n

    17.2 async \/ await<\/h3>\n

    \u63a8\u8350\u7684\u5f02\u6b65\u5199\u6cd5：<\/p>\n

    async function loadCourse(): Promise<void> {
    \n let courseName: string = await getCourseName();
    \n console.info(courseName);
    \n}<\/p>\n

    \u542b\u4e49\u662f：<\/p>\n

  • getCourseName() \u5f00\u59cb\u83b7\u53d6\u6570\u636e\u3002<\/li>\n
  • await \u7b49\u5f85\u5b83\u5b8c\u6210\u3002<\/li>\n
  • \u5f97\u5230\u6587\u672c\u540e，\u8d4b\u503c\u7ed9 courseName\u3002<\/li>\n
  • \u7ee7\u7eed\u6267\u884c\u540e\u9762\u7684\u4ee3\u7801\u3002
    \n\u5728 ArkUI \u4e2d，\u5e38\u89c1\u5199\u6cd5\u5982\u4e0b：<\/li>\n

    async function loadMessage(): Promise<string> {
    \n return Promise.resolve('\u5f02\u6b65\u6570\u636e\u52a0\u8f7d\u5b8c\u6210');
    \n}<\/p>\n

    @Entry
    \n@Component
    \nstruct AsyncExample {
    \n @State message: string = '\u5c1a\u672a\u52a0\u8f7d'<\/p>\n

    build() {
    \n Column() {
    \n Text(this.message)<\/p>\n

    Button('\u52a0\u8f7d\u6570\u636e')
    \n .onClick(async () => {
    \n this.message = '\u52a0\u8f7d\u4e2d…';
    \n this.message = await loadMessage();
    \n })
    \n }
    \n }
    \n}<\/p>\n

    \u63d0\u793a：\u771f\u5b9e\u9879\u76ee\u4e2d\u4f1a\u628a\u7f51\u7edc\u8bf7\u6c42\u3001\u9519\u8bef\u5904\u7406\u3001\u52a0\u8f7d\u72b6\u6001\u548c\u7a7a\u6570\u636e\u72b6\u6001\u90fd\u8003\u8651\u8fdb\u53bb；\u5b66\u4e60\u9636\u6bb5\u5148\u638c\u63e1 async\u3001await \u548c Promise \u7684\u5173\u7cfb\u5373\u53ef\u3002<\/p>\n

    18. ArkUI \u57fa\u7840\u5e03\u5c40：\u9875\u9762\u5982\u4f55\u6446\u653e<\/h2>\n

    \u6700\u5e38\u7528\u7684\u5bb9\u5668\u6709：
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    18.1 Column<\/h3>\n

    Column({ space: 12 }) {
    \n Text('\u6807\u9898')
    \n Text('\u5185\u5bb9')
    \n Button('\u786e\u8ba4')
    \n}
    \n.width('100%')
    \n.padding(16)<\/p>\n

    18.2 Row<\/h3>\n

    Row({ space: 8 }) {
    \n Text('\u7528\u6237\u540d：')
    \n Text('\u5c0f\u660e')
    \n}
    \n.width('100%')<\/p>\n

    18.3 Stack<\/h3>\n

    \u540e\u5199\u7684\u7ec4\u4ef6\u4f1a\u8986\u76d6\u5728\u5148\u5199\u7684\u7ec4\u4ef6\u4e0a\u65b9：<\/p>\n

    Stack({ alignContent: Alignment.BottomStart }) {
    \n Image($r('app.media.app_icon'))
    \n .width(120)
    \n .height(120)<\/p>\n

    Text('\u63a8\u8350')
    \n .fontColor(Color.White)
    \n .backgroundColor(Color.Red)
    \n .padding(6)
    \n}<\/p>\n

    \u5982\u679c\u4f60\u7684\u9879\u76ee\u4e2d\u6ca1\u6709\u5bf9\u5e94\u56fe\u7247\u8d44\u6e90，\u53ef\u5148\u4e0d\u8fd0\u884c\u8fd9\u6bb5\u56fe\u7247\u793a\u4f8b；Column\u3001Row \u548c Text \u4e0d\u4f9d\u8d56\u989d\u5916\u8d44\u6e90，\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\u3002<\/p>\n

    19. \u6837\u5f0f\u94fe\u5f0f\u8c03\u7528：\u7ec4\u4ef6\u540e\u9762\u7684\u70b9\u53f7\u5728\u505a\u4ec0\u4e48<\/h2>\n

    \u89c2\u5bdf\u4e0b\u9762\u4ee3\u7801：<\/p>\n

    Text('ArkTS')
    \n .fontSize(24)
    \n .fontWeight(FontWeight.Bold)
    \n .fontColor(Color.Blue)
    \n .margin({ bottom: 12 })<\/p>\n

    \u5b83\u8868\u793a\u201c\u521b\u5efa\u4e00\u4e2a\u6587\u672c\u201d，\u7136\u540e\u8fde\u7eed\u8bbe\u7f6e\u5b83\u7684\u6837\u5f0f\u3002
    \n\u5e38\u7528\u6837\u5f0f：<\/p>\n

    Text('\u793a\u4f8b\u6587\u672c')
    \n .fontSize(18)
    \n .fontColor('#333333')
    \n .fontWeight(FontWeight.Medium)
    \n .textAlign(TextAlign.Center)
    \n .width('100%')
    \n .padding(12)
    \n .backgroundColor('#F1F3F5')
    \n .borderRadius(8)<\/p>\n

    \u5e38\u7528\u5c3a\u5bf8\u5355\u4f4d：
    \n\u2022 24：\u901a\u5e38\u8868\u793a vp（\u865a\u62df\u50cf\u7d20），\u9002\u5408\u5e03\u5c40\u5c3a\u5bf8\u3002
    \n\u2022 \u2018100%\u2019：\u76f8\u5bf9\u7236\u7ec4\u4ef6\u5bbd\u5ea6\u6216\u9ad8\u5ea6\u3002
    \n\u2022 12：\u53ef\u7528\u4e8e padding\u3001margin\u3001fontSize \u7b49\u5e38\u7528\u5c5e\u6027\u3002
    \n\u521d\u5b66\u65f6\u4e0d\u5fc5\u628a\u6240\u6709\u5c5e\u6027\u6b7b\u8bb0\u786c\u80cc\u3002\u5148\u4f1a\u67e5\u7ec4\u4ef6\u7684\u5c5e\u6027\u63d0\u793a，\u5e76\u9010\u6b65\u79ef\u7d2f\u3002<\/p>\n

    20. @State：\u9875\u9762\u4e3a\u4ec0\u4e48\u4f1a\u81ea\u52a8\u5237\u65b0<\/h2>\n

    @State \u662f ArkUI \u6700\u91cd\u8981\u7684\u5165\u95e8\u6982\u5ff5\u4e4b\u4e00\u3002
    \n@Entry
    \n@Component
    \nstruct StateExample {
    \n @State count: number = 0<\/p>\n

    build() {
    \n Column({ space: 12 }) {
    \n Text(`\u5f53\u524d\u8ba1\u6570：${this.count}`)
    \n .fontSize(24)<\/p>\n

    Button('+1')
    \n .onClick(() => {
    \n this.count++;
    \n })
    \n }
    \n }
    \n}<\/p>\n

    \u70b9\u51fb\u6309\u94ae\u540e，count \u53d8\u5316，\u9875\u9762\u4e2d\u7684 Text \u4f1a\u81ea\u52a8\u663e\u793a\u65b0\u503c\u3002
    \n\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3：<\/p>\n

    @State \u6570\u636e\u53d8\u5316
    \n \u2193
    \nArkUI \u53d1\u73b0\u8fd9\u4e2a\u6570\u636e\u88ab\u9875\u9762\u4f7f\u7528
    \n \u2193
    \n\u76f8\u5173 UI \u81ea\u52a8\u91cd\u65b0\u8ba1\u7b97\u5e76\u5237\u65b0<\/p>\n

    20.1 \u666e\u901a\u53d8\u91cf\u4e0e @State \u7684\u5dee\u522b<\/h3>\n

    @Component
    \nstruct WrongExample {
    \ncount: number = 0 \/\/ \u666e\u901a\u5b57\u6bb5，\u4e0d\u9002\u5408\u4f5c\u4e3a\u9700\u8981\u9a71\u52a8 UI \u5237\u65b0\u7684\u9875\u9762\u72b6\u6001<\/p>\n

    build() {
    \n Column() {
    \n Text(`${this.count}`)
    \n Button('+1').onClick(() => {
    \n this.count++;
    \n })
    \n }
    \n}
    \n}<\/p>\n

    \u5bf9\u4e8e\u201c\u7528\u6237\u70b9\u51fb\u540e\u8981\u7acb\u5373\u53cd\u6620\u5230\u754c\u9762\u4e0a\u201d\u7684\u6570\u636e，\u5e94\u4f7f\u7528 @State：<\/p>\n

    @State count: number = 0<\/p>\n

    20.2 \u72b6\u6001\u8bbe\u8ba1\u7684\u5c0f\u539f\u5219<\/h3>\n

    \u9002\u5408 @State \u7684\u6570\u636e：
    \n\u2022 \u8f93\u5165\u6846\u4e2d\u6b63\u5728\u8f93\u5165\u7684\u6587\u5b57\u3002
    \n\u2022 \u5f53\u524d\u9009\u4e2d\u7684\u6807\u7b7e\u3002
    \n\u2022 \u5217\u8868\u4e2d\u7684\u4efb\u52a1\u6570\u636e\u3002
    \n\u2022 \u52a0\u8f7d\u4e2d\u3001\u52a0\u8f7d\u6210\u529f\u3001\u52a0\u8f7d\u5931\u8d25\u7684\u9875\u9762\u72b6\u6001\u3002
    \n\u2022 \u5f53\u524d\u8ba1\u6570\u3001\u5f53\u524d\u9875\u7801\u3002
    \n\u4e0d\u9002\u5408\u628a\u6240\u6709\u6570\u636e\u90fd\u65e0\u8111\u653e\u8fdb @State\u3002\u4f8b\u5982\u4e0d\u4f1a\u5f71\u54cd\u5f53\u524d\u9875\u9762\u5c55\u793a\u7684\u5e38\u91cf\u3001\u5de5\u5177\u5bf9\u8c61\u3001\u4e00\u6b21\u6027\u4e34\u65f6\u8ba1\u7b97\u7ed3\u679c，\u901a\u5e38\u4e0d\u9700\u8981\u9875\u9762\u72b6\u6001\u88c5\u9970\u3002<\/p>\n

    21. \u7ec4\u4ef6\u901a\u4fe1：\u7236\u7ec4\u4ef6\u628a\u6570\u636e\u4ea4\u7ed9\u5b50\u7ec4\u4ef6<\/h2>\n

    21.1 @Prop：\u7236\u4f20\u5b50，\u5b50\u7ec4\u4ef6\u53ea\u8bfb\u4f7f\u7528<\/h3>\n

    @Component
    \nstruct UserGreeting {
    \n @Prop name: string = '\u8bbf\u5ba2'<\/p>\n

    build() {
    \n Text(`\u4f60\u597d，${this.name}`)
    \n }
    \n}<\/p>\n

    @Entry
    \n@Component
    \nstruct ParentPage {
    \n build() {
    \n Column() {
    \n UserGreeting({ name: '\u5c0f\u660e' })
    \n UserGreeting({ name: '\u5c0f\u7ea2' })
    \n }
    \n }
    \n}<\/p>\n

    \u7236\u7ec4\u4ef6\u4f7f\u7528\u5b50\u7ec4\u4ef6\u65f6\u50cf\u4f20\u53c2\u6570\u4e00\u6837\u4f20\u5165：<\/p>\n

    UserGreeting({ name: '\u5c0f\u660e' })<\/p>\n

    21.2 @Link：\u7236\u5b50\u5171\u4eab\u53ef\u4fee\u6539\u72b6\u6001<\/h3>\n

    \u5f53\u5b50\u7ec4\u4ef6\u65e2\u8981\u5c55\u793a\u6570\u636e，\u53c8\u8981\u4fee\u6539\u7236\u7ec4\u4ef6\u7684\u72b6\u6001，\u53ef\u4ee5\u4f7f\u7528<\/p>\n

    @Link：
    \n@Component
    \nstruct CounterButton {
    \n @Link count: number<\/p>\n

    build() {
    \n Button(`\u5b50\u7ec4\u4ef6\u52a0 1：${this.count}`)
    \n .onClick(() => {
    \n this.count++;
    \n })
    \n }
    \n}<\/p>\n

    @Entry
    \n@Component
    \nstruct ParentCounterPage {
    \n @State count: number = 0<\/p>\n

    build() {
    \n Column({ space: 12 }) {
    \n Text(`\u7236\u7ec4\u4ef6\u8ba1\u6570：${this.count}`)
    \n .fontSize(24)<\/p>\n

    CounterButton({ count: $count })
    \n }
    \n .padding(24)
    \n }
    \n}<\/p>\n

    \u6ce8\u610f\u4f20\u5165\u65f6\u662f $count，\u4e0d\u662f count：<\/p>\n

    CounterButton({ count: $count })<\/p>\n

    \u521d\u5b66\u8bb0\u5fc6：
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    22. \u9875\u9762\u6e32\u67d3\u8bed\u6cd5：\u6761\u4ef6\u663e\u793a\u548c\u5faa\u73af\u663e\u793a<\/h2>\n

    22.1 if：\u6709\u6761\u4ef6\u5730\u663e\u793a\u7ec4\u4ef6<\/h3>\n

    @Entry
    \n@Component
    \nstruct LoginPage {
    \n @State isLogin: boolean = false<\/p>\n

    build() {
    \n Column({ space: 12 }) {
    \n if (this.isLogin) {
    \n Text('\u6b22\u8fce\u56de\u6765！')
    \n .fontSize(24)
    \n } else {
    \n Text('\u8bf7\u5148\u767b\u5f55')
    \n .fontSize(24)
    \n }<\/p>\n

    Button(this.isLogin ? '\u9000\u51fa\u767b\u5f55' : '\u767b\u5f55')
    \n .onClick(() => {
    \n this.isLogin = !this.isLogin;
    \n })
    \n }
    \n .padding(24)
    \n }
    \n}<\/p>\n

    \u8fd9\u91cc if \u4e0d\u662f\u666e\u901a\u51fd\u6570\u4e2d\u7684\u6761\u4ef6，\u800c\u662f\u5728 build() \u4e2d\u51b3\u5b9a\u201c\u663e\u793a\u54ea\u4e00\u7ec4 UI\u201d\u3002<\/p>\n

    22.2 ForEach：\u628a\u6570\u7ec4\u753b\u6210\u5217\u8868<\/h3>\n

    @Entry
    \n@Component
    \nstruct FruitPage {
    \n @State fruits: string[] = ['\u82f9\u679c', '\u9999\u8549', '\u6a59\u5b50']<\/p>\n

    build() {
    \n Column({ space: 8 }) {
    \n ForEach(this.fruits, (fruit: string) => {
    \n Text(fruit)
    \n .fontSize(20)
    \n .width('100%')
    \n .padding(12)
    \n .backgroundColor('#F1F3F5')
    \n .borderRadius(8)
    \n }, (fruit: string) => fruit)
    \n }
    \n .padding(16)
    \n }
    \n}<\/p>\n

    ForEach \u7684\u4e09\u4e2a\u90e8\u5206：<\/p>\n

    ForEach(
    \n \u6570\u636e\u6570\u7ec4,
    \n \u6bcf\u4e00\u9879\u5982\u4f55\u7ed8\u5236,
    \n \u6bcf\u4e00\u9879\u7684\u552f\u4e00\u6807\u8bc6
    \n)<\/p>\n

    \u6700\u540e\u7684\u552f\u4e00\u6807\u8bc6\u5f88\u91cd\u8981\u3002\u771f\u5b9e\u5217\u8868\u4e2d\u5efa\u8bae\u4f7f\u7528\u7a33\u5b9a\u7684 id，\u4e0d\u8981\u53ea\u4f9d\u8d56\u5bb9\u6613\u91cd\u590d\u6216\u53d8\u5316\u7684\u6587\u672c\u3002<\/p>\n

    23. \u8f93\u5165\u4e0e\u4e8b\u4ef6：\u8ba9\u7528\u6237\u548c\u9875\u9762\u4e92\u52a8<\/h2>\n

    23.1 TextInput<\/h3>\n

    @Entry
    \n@Component
    \nstruct InputPage {
    \n @State inputText: string = ''<\/p>\n

    build() {
    \n Column({ space: 12 }) {
    \n TextInput({ placeholder: '\u8bf7\u8f93\u5165\u4f60\u7684\u540d\u5b57', text: this.inputText })
    \n .onChange((value: string) => {
    \n this.inputText = value;
    \n })<\/p>\n

    Text(this.inputText.length > 0 ? `\u4f60\u597d，${this.inputText}` : '\u8fd8\u6ca1\u6709\u8f93\u5165\u5185\u5bb9')
    \n }
    \n .padding(24)
    \n }
    \n}<\/p>\n

    \u6838\u5fc3\u5173\u7cfb：<\/p>\n

    \u8f93\u5165\u6846\u5185\u5bb9\u53d8\u5316
    \n \u2193
    \nonChange \u63a5\u6536\u5230 value
    \n \u2193
    \n\u66f4\u65b0 @State inputText
    \n \u2193
    \nText \u4f7f\u7528\u65b0\u503c\u91cd\u65b0\u663e\u793a<\/p>\n

    23.2 \u5e38\u7528\u4e8b\u4ef6<\/h3>\n

    Button('\u70b9\u51fb')
    \n .onClick(() => {
    \n console.info('\u70b9\u51fb\u4e8b\u4ef6');
    \n });<\/p>\n

    TextInput({ placeholder: '\u8f93\u5165\u5185\u5bb9' })
    \n .onChange((value: string) => {
    \n console.info(`\u8f93\u5165\u5185\u5bb9：${value}`);
    \n });<\/p>\n

    \u4e8b\u4ef6\u51fd\u6570\u4e0d\u8981\u5199\u6210\u7acb\u5373\u6267\u884c：<\/p>\n

    \/\/ \u9519\u8bef\u793a\u610f：\u4e0d\u8981\u8fd9\u6837\u5199
    \n\/\/ .onClick(this.doSomething())<\/p>\n

    \u5e94\u8be5\u4f20\u5165\u4e00\u4e2a\u51fd\u6570：<\/p>\n

    .onClick(() => {
    \n this.doSomething();
    \n})<\/p>\n

    24. \u8d44\u6e90\u5f15\u7528：$r() \u662f\u4ec0\u4e48<\/h2>\n

    HarmonyOS \u9879\u76ee\u4e2d\u7684\u8d44\u6e90\u901a\u5e38\u653e\u5728 resources \u76ee\u5f55\u3002\u5f15\u7528\u5b57\u7b26\u4e32\u3001\u989c\u8272\u3001\u56fe\u7247\u7b49\u8d44\u6e90\u65f6，\u7ecf\u5e38\u4f1a\u770b\u5230 $r()：<\/p>\n

    Text($r('app.string.app_name'))<\/p>\n

    Image($r('app.media.app_icon'))<\/p>\n

    \u53ef\u4ee5\u7c97\u7565\u7406\u89e3\u4e3a：
    \n\u201c\u5230\u5e94\u7528\u8d44\u6e90\u6587\u4ef6\u4e2d，\u6309\u8d44\u6e90\u540d\u53d6\u51fa\u5bf9\u5e94\u5185\u5bb9\u3002\u201d
    \n\u521d\u5b66\u9636\u6bb5，\u76f4\u63a5\u4f7f\u7528\u6587\u672c\u548c\u989c\u8272\u5373\u53ef：<\/p>\n

    Text('\u6b22\u8fce\u5b66\u4e60 ArkTS')
    \n .fontColor('#0A59F7')<\/p>\n

    \u5f53\u9879\u76ee\u9700\u8981\u591a\u8bed\u8a00\u3001\u7edf\u4e00\u4e3b\u9898\u548c\u53ef\u7ef4\u62a4\u56fe\u7247\u8d44\u6e90\u65f6，\u518d\u9010\u6b65\u5b66\u4e60\u8d44\u6e90\u6587\u4ef6\u7684\u7ec4\u7ec7\u65b9\u5f0f\u3002<\/p>\n

    25. ArkTS \u521d\u5b66\u8005\u6700\u5e38\u9047\u5230\u7684\u9519\u8bef<\/h2>\n

    25.1 \u628a\u6587\u672c\u5fd8\u8bb0\u52a0\u5f15\u53f7<\/h3>\n

    \/\/ \u9519\u8bef
    \n\/\/ let name: string = \u5c0f\u660e;<\/p>\n

    \/\/ \u6b63\u786e
    \nlet name: string = '\u5c0f\u660e';<\/p>\n

    25.2 \u628a = \u4e0e === \u6df7\u6dc6<\/h3>\n

    let score: number = 90;<\/p>\n

    \/\/ \u6b63\u786e：\u6bd4\u8f83
    \nif (score === 90) {
    \n console.info('\u6ee1\u5206');
    \n}<\/p>\n

    \u2022 =：\u8d4b\u503c\u3002
    \n\u2022 ===：\u6bd4\u8f83\u662f\u5426\u76f8\u7b49\u3002<\/p>\n

    25.3 \u5fd8\u8bb0\u4f7f\u7528 this<\/h3>\n

    \u5728\u7ec4\u4ef6\u5185\u90e8\u8bbf\u95ee\u5b57\u6bb5\u65f6\u901a\u5e38\u8981\u5199 this.：<\/p>\n

    @State count: number = 0<\/p>\n

    \/\/ \u6b63\u786e
    \nthis.count++;<\/p>\n

    25.4 \u628a\u4f1a\u6539\u53d8\u9875\u9762\u7684\u53d8\u91cf\u5199\u6210\u666e\u901a\u5b57\u6bb5<\/h3>\n

    \/\/ \u8981\u8ba9 UI \u81ea\u52a8\u5237\u65b0，\u4f7f\u7528 @State
    \n@State title: string = '\u521d\u59cb\u6807\u9898';<\/p>\n

    25.5 ForEach \u4e2d\u6ca1\u6709\u7a33\u5b9a\u552f\u4e00\u6807\u8bc6<\/h3>\n

    \u5217\u8868\u6709\u589e\u52a0\u3001\u5220\u9664\u3001\u6392\u5e8f\u7b49\u64cd\u4f5c\u65f6，\u5c3d\u91cf\u4f7f\u7528\u4e1a\u52a1\u552f\u4e00 id：<\/p>\n

    interface Todo {
    \n id: number;
    \n title: string;
    \n}<\/p>\n

    ForEach(this.todos, (item: Todo) => {
    \n Text(item.title)
    \n}, (item: Todo) => item.id.toString())<\/p>\n

    25.6 \u628a\u590d\u6742\u4e1a\u52a1\u5168\u585e\u8fdb build()<\/h3>\n

    build() \u5e94\u4e3b\u8981\u8d1f\u8d23\u63cf\u8ff0 UI\u3002\u590d\u6742\u8ba1\u7b97\u3001\u6570\u636e\u8f6c\u6362\u3001\u7f51\u7edc\u8c03\u7528\u53ef\u4ee5\u63d0\u53d6\u6210\u51fd\u6570：<\/p>\n

    private getWelcomeText(): string {
    \n return this.userName.length > 0 ? `\u4f60\u597d，${this.userName}` : '\u4f60\u597d，\u8bbf\u5ba2';
    \n}<\/p>\n

    build() {
    \n Text(this.getWelcomeText())
    \n}<\/p>\n

    26. \u5b8c\u6574\u53ef\u8fd0\u884c\u793a\u4f8b：ArkTS \u8bed\u6cd5\u5b9e\u9a8c\u5ba4<\/h2>\n

    \u628a\u4e0b\u9762\u5b8c\u6574\u4ee3\u7801\u590d\u5236\u5230 entry\/src\/main\/ets\/pages\/Index.ets，\u66ff\u6362\u539f\u6709\u5185\u5bb9\u540e\u8fd0\u884c\u3002\u70b9\u51fb\u6309\u94ae\u5373\u53ef\u5728\u9875\u9762\u4e0a\u770b\u5230\u53d8\u91cf\u3001\u6570\u7ec4\u3001\u5bf9\u8c61\u3001\u51fd\u6570\u3001\u7c7b\u3001\u679a\u4e3e\u548c\u5f02\u6b65\u8bed\u6cd5\u7684\u6267\u884c\u7ed3\u679c\u3002<\/p>\n

    enum LearningStatus {
    \n NotStarted,
    \n Learning,
    \n Finished
    \n}<\/p>\n

    interface Learner {
    \n name: string;
    \n age: number;
    \n courses: string[];
    \n}<\/p>\n

    class SimpleCounter {
    \n private value: number = 0;<\/p>\n

    increase(): void {
    \n this.value++;
    \n }<\/p>\n

    getValue(): number {
    \n return this.value;
    \n }
    \n}<\/p>\n

    function getLevel(score: number): string {
    \n if (score >= 90) {
    \n return '\u4f18\u79c0';
    \n } else if (score >= 60) {
    \n return '\u53ca\u683c';
    \n }
    \n return '\u7ee7\u7eed\u52aa\u529b';
    \n}<\/p>\n

    function getAsyncMessage(): Promise<string> {
    \n return Promise.resolve('\u5f02\u6b65\u4efb\u52a1\u5df2\u5b8c\u6210：\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86 async \/ await \u7684\u57fa\u672c\u5199\u6cd5\u3002');
    \n}<\/p>\n

    @Entry
    \n@Component
    \nstruct Index {
    \n @State resultText: string = '\u70b9\u51fb\u201c\u8fd0\u884c\u793a\u4f8b\u201d，\u5728\u8fd9\u91cc\u67e5\u770b\u8f93\u51fa\u3002'<\/p>\n

    build() {
    \n Column({ space: 16 }) {
    \n Text('ArkTS \u8bed\u6cd5\u5b9e\u9a8c\u5ba4')
    \n .fontSize(26)
    \n .fontWeight(FontWeight.Bold)<\/p>\n

    Text(this.resultText)
    \n .fontSize(16)
    \n .lineHeight(24)
    \n .width('100%')
    \n .padding(16)
    \n .backgroundColor('#F1F3F5')
    \n .borderRadius(12)<\/p>\n

    Button('\u8fd0\u884c\u793a\u4f8b')
    \n .width('100%')
    \n .onClick(async () => {
    \n await this.runDemo();
    \n })
    \n }
    \n .width('100%')
    \n .height('100%')
    \n .padding(24)
    \n .justifyContent(FlexAlign.Center)
    \n }<\/p>\n

    private async runDemo(): Promise<void> {
    \n const appName: string = 'ArkTS \u5165\u95e8';
    \n let score: number = 88;
    \n const isLearning: boolean = true;<\/p>\n

    const learner: Learner = {
    \n name: '\u5c0f\u660e',
    \n age: 18,
    \n courses: ['\u53d8\u91cf', '\u51fd\u6570', '\u7ec4\u4ef6']
    \n };<\/p>\n

    const counter: SimpleCounter = new SimpleCounter();
    \n counter.increase();
    \n counter.increase();<\/p>\n

    const status: LearningStatus = LearningStatus.Learning;
    \n const courseText: string = learner.courses.join('\u3001');
    \n const level: string = getLevel(score);
    \n const asyncMessage: string = await getAsyncMessage();<\/p>\n

    this.resultText =
    \n `\u8bfe\u7a0b：${appName}\\\\n` +
    \n `\u5b66\u4e60\u8005：${learner.name}，${learner.age} \u5c81\\\\n` +
    \n `\u6b63\u5728\u5b66\u4e60：${isLearning ? '\u662f' : '\u5426'}\\\\n` +
    \n `\u8bfe\u7a0b\u5217\u8868：${courseText}\\\\n` +
    \n `\u5206\u6570：${score}，\u8bc4\u4ef7：${level}\\\\n` +
    \n `\u8ba1\u6570\u5668\u503c：${counter.getValue()}\\\\n` +
    \n `\u5b66\u4e60\u72b6\u6001\u679a\u4e3e\u503c：${status}\\\\n` +
    \n `${asyncMessage}`;
    \n }
    \n}<\/p>\n

    \u4f60\u53ef\u4ee5\u5c1d\u8bd5\u81ea\u5df1\u4fee\u6539：<\/p>\n

  • \u628a score \u6539\u6210 95，\u89c2\u5bdf\u8bc4\u4ef7\u53d8\u5316\u3002<\/li>\n
  • \u5728 courses \u4e2d\u589e\u52a0 \u2018\u5f02\u6b65\u7f16\u7a0b\u2019\u3002<\/li>\n
  • \u591a\u8c03\u7528\u4e00\u6b21 counter.increase()\u3002<\/li>\n
  • \u628a learner.name \u6539\u6210\u4f60\u81ea\u5df1\u7684\u540d\u5b57\u3002<\/li>\n

    27 \u4e00\u4efd\u901f\u67e5\u8868<\/h2>\n

    \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n","protected":false},"excerpt":{"rendered":"

    0.\u5148\u5efa\u7acb\u6b63\u786e\u8ba4\u8bc6：ArkTS\u3001TypeScript \u4e0e ArkUI \u5206\u522b\u662f\u4ec0\u4e48
    \n\u521d\u5b66 HarmonyOS \u65f6，\u6700\u5bb9\u6613\u6df7\u6dc6\u7684\u6709\u4e09\u4e2a\u540d\u8bcd：\u4e00\u53e5\u8bdd\u8bb0\u5fc6：
    \n\u2022 ArkTS \u662f\u5199\u903b\u8f91\u3001\u7c7b\u578b\u548c\u6570\u636e\u7684\u8bed\u8a00\u3002
    \n\u2022 ArkUI \u662f\u7528 ArkTS \u63cf\u8ff0\u754c\u9762\u7684\u65b9\u5f0f\u3002
    \n\u2022 \u4f60\u5728 .ets \u6587\u4ef6\u91cc\u901a\u5e38\u4f1a\u540c\u65f6\u5199\u201c\u6570\u636e\u5904\u7406\u4ee3\u7801\u201d\u548c\u201c\u9875\u9762\u4ee3\u7801\u201d\u3002
    \n\u4f8b\u5982：
    \nlet userName: string \u5c0f\u660e; \/\/ ArkTS&#xff1a<\/p>\n","protected":false},"author":2,"featured_media":108024,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[280,67],"topic":[],"class_list":["post-108034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-harmonyos","tag-67"],"yoast_head":"\nHarmonyOS ArkTS \u96f6\u57fa\u7840\u8bed\u6cd5\u8bb2\u4e49\uff1a\u4ece\u7b2c\u4e00\u884c\u4ee3\u7801\u5230\u53ef\u8fd0\u884c\u9875\u9762 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/108034.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HarmonyOS ArkTS \u96f6\u57fa\u7840\u8bed\u6cd5\u8bb2\u4e49\uff1a\u4ece\u7b2c\u4e00\u884c\u4ee3\u7801\u5230\u53ef\u8fd0\u884c\u9875\u9762 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"0.\u5148\u5efa\u7acb\u6b63\u786e\u8ba4\u8bc6：ArkTS\u3001TypeScript \u4e0e ArkUI \u5206\u522b\u662f\u4ec0\u4e48 \u521d\u5b66 HarmonyOS \u65f6，\u6700\u5bb9\u6613\u6df7\u6dc6\u7684\u6709\u4e09\u4e2a\u540d\u8bcd：\u4e00\u53e5\u8bdd\u8bb0\u5fc6： \u2022 ArkTS \u662f\u5199\u903b\u8f91\u3001\u7c7b\u578b\u548c\u6570\u636e\u7684\u8bed\u8a00\u3002 \u2022 ArkUI \u662f\u7528 ArkTS \u63cf\u8ff0\u754c\u9762\u7684\u65b9\u5f0f\u3002 \u2022 \u4f60\u5728 .ets \u6587\u4ef6\u91cc\u901a\u5e38\u4f1a\u540c\u65f6\u5199\u201c\u6570\u636e\u5904\u7406\u4ee3\u7801\u201d\u548c\u201c\u9875\u9762\u4ee3\u7801\u201d\u3002 \u4f8b\u5982： let userName: string \u5c0f\u660e; 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