{"id":10020533,"date":"2024-12-22T10:43:14","date_gmt":"2024-12-22T02:43:14","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020533"},"modified":"2024-12-22T10:43:14","modified_gmt":"2024-12-22T02:43:14","slug":"%e7%90%86%e8%a7%a3%e9%9d%99%e6%80%81%e7%b1%bb%e5%9e%8b%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e9%80%89%e6%8b%a9typescript%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020533","title":{"rendered":"\u7406\u89e3\u9759\u6001\u7c7b\u578b\uff1a\u4e3a\u4ec0\u4e48\u9009\u62e9TypeScript\uff1f"},"content":{"rendered":"

\u672c\u6587\u6211\u4eec\u8981\u8ba8\u8bba\u4e00\u4e2a\u975e\u5e38\u5173\u952e\u7684\u6982\u5ff5\u2014\u2014\u9759\u6001\u7c7b\u578b<\/strong>\uff0c\u4ee5\u53ca\u5b83\u662f\u5982\u4f55\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7f16\u5199\u4ee3\u7801\u7684\uff0c\u7279\u522b\u662f\u4e3a\u4ec0\u4e48\u5728\u5f00\u53d1\u4e2d\u9009\u62e9 TypeScript<\/strong> \u800c\u4e0d\u662f\u4f20\u7edf\u7684 JavaScript<\/strong>\u3002<\/p>\n

\u6211\u4eec\u53ef\u80fd\u5df2\u7ecf\u542c\u8bf4\u8fc7\u9759\u6001\u7c7b\u578b\u8fd9\u4e2a\u8bcd\uff0c\u4f46\u662f\u5b83\u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u5b83\u5bf9\u6211\u4eec\u7f16\u5199\u4ee3\u7801\u6709\u54ea\u4e9b\u5e2e\u52a9\uff1f\u4eca\u5929\u6211\u4eec\u5c31\u5e26\u4f60\u4e00\u8d77\u6df1\u5165\u7406\u89e3\u9759\u6001\u7c7b\u578b\uff0c\u63a2\u8ba8 TypeScript \u7684\u4f18\u52bf\u3002<\/p>\n

4.1 \u4ec0\u4e48\u662f\u9759\u6001\u7c7b\u578b\uff1f<\/h3>\n

\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u660e\u786e\u4e00\u4e0b \u9759\u6001\u7c7b\u578b<\/strong> \u8fd9\u4e2a\u6982\u5ff5\u3002\u7b80\u5355\u6765\u8bf4\uff0c\u9759\u6001\u7c7b\u578b\u662f\u6307\u53d8\u91cf\u7684\u7c7b\u578b\u5728\u7f16\u8bd1\u65f6\u5c31\u5df2\u7ecf\u786e\u5b9a\u597d\u4e86\uff0c\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4e0d\u4f1a\u6539\u53d8\u3002\u800c \u52a8\u6001\u7c7b\u578b<\/strong> \u5219\u662f\u53d8\u91cf\u7684\u7c7b\u578b\u5728\u8fd0\u884c\u65f6\u624d\u786e\u5b9a\uff0c\u53ef\u4ee5\u968f\u65f6\u6539\u53d8\u3002<\/p>\n

\u4ee5 JavaScript \u4e3a\u4f8b\uff0cJavaScript \u662f\u4e00\u79cd\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f60\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u968f\u610f\u6539\u53d8\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n

let message = "Hello, World!";  \/\/ message \u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\nmessage = 42;  \/\/ \u73b0\u5728 message \u662f\u4e00\u4e2a\u6570\u5b57<\/code><\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmessage<\/code> \u4ece\u4e00\u4e2a\u5b57\u7b26\u4e32\u53d8\u6210\u4e86\u6570\u5b57\uff0cJavaScript \u5e76\u4e0d\u4f1a\u62a5\u9519\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u867d\u7136\u5f88\u597d\uff0c\u4f46\u4e5f\u5e26\u6765\u4e86\u4e00\u4e2a\u95ee\u9898\uff1a\u4f60\u4e0d\u80fd\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u5c31\u77e5\u9053\u53d8\u91cf\u7684\u5b9e\u9645\u7c7b\u578b\uff0c\u5f88\u591a\u9519\u8bef\u53ea\u6709\u5728\u8fd0\u884c\u65f6\u624d\u4f1a\u88ab\u53d1\u73b0\u3002<\/p>\n
TypeScript<\/strong> \u5219\u662f\u9759\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u610f\u5473\u7740\u5728\u4ee3\u7801\u8fd0\u884c\u4e4b\u524d\uff0cTypeScript \u7f16\u8bd1\u5668\u4f1a\u68c0\u67e5\u4f60\u7684\u7c7b\u578b\uff0c\u786e\u4fdd\u7c7b\u578b\u7684\u6b63\u786e\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n
let message: string = "Hello, World!";\nmessage = 42;  \/\/ \u9519\u8bef\uff0cmessage \u88ab\u58f0\u660e\u4e3a string \u7c7b\u578b\uff0c\u4e0d\u80fd\u8d4b\u503c\u4e3a\u6570\u5b57<\/code><\/pre>\n
\u5728 TypeScript \u4e2d\uff0cmessage<\/code> \u53d8\u91cf\u88ab\u660e\u786e\u58f0\u660e\u4e3a string<\/code> \u7c7b\u578b\uff0c\u6240\u4ee5\u7f16\u8bd1\u65f6\u4f1a\u62a5\u9519\uff0c\u63d0\u9192\u6211\u4eec\u4e0d\u80fd\u628a\u4e00\u4e2a\u6570\u5b57\u8d4b\u503c\u7ed9\u5b83\u3002\u8fd9\u5c31\u662f\u9759\u6001\u7c7b\u578b\u68c0\u67e5\u7684\u9b45\u529b\uff0c\u5b83\u5e2e\u52a9\u6211\u4eec\u907f\u514d\u4e86\u6f5c\u5728\u7684\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/p>\n
4.2 \u9759\u6001\u7c7b\u578b\u7684\u4f18\u52bf\uff1a\u7f16\u8bd1\u65f6\u9519\u8bef\u68c0\u67e5<\/h3>\n
4.2.1 \u63d0\u524d\u53d1\u73b0\u9519\u8bef<\/h4>\n
\u5728\u6ca1\u6709\u9759\u6001\u7c7b\u578b\u7684\u8bed\u8a00\u4e2d\uff08\u5982 JavaScript\uff09\uff0c\u5f88\u591a\u9519\u8bef\u53ea\u6709\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u624d\u4f1a\u88ab\u53d1\u73b0\u3002\u60f3\u8c61\u4e00\u4e0b\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5f00\u53d1\u4e00\u4e2a\u5927\u578b\u5e94\u7528\uff0c\u7a0b\u5e8f\u8fd0\u884c\u65f6\u51fa\u73b0\u4e86\u9519\u8bef\uff0c\u800c\u4f60\u4e0d\u5f97\u4e0d\u901a\u8fc7\u8c03\u8bd5\u6765\u627e\u51fa\u662f\u54ea\u4e00\u884c\u4ee3\u7801\u51fa\u4e86\u95ee\u9898\uff0c\u8fd9\u4f1a\u975e\u5e38\u8d39\u65f6\u8d39\u529b\u3002<\/p>\n
\u4f46\u662f\u5728 TypeScript<\/strong> \u4e2d\uff0c\u7f16\u8bd1\u5668\u4f1a\u5728\u4f60\u7f16\u5199\u4ee3\u7801\u65f6\u5c31\u68c0\u67e5\u51fa\u6f5c\u5728\u7684\u9519\u8bef\uff0c\u53ca\u65f6\u7ed9\u51fa\u63d0\u793a\u3002\u8fd9\u4f7f\u5f97\u6211\u4eec\u80fd\u591f\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u5c31\u53d1\u73b0\u95ee\u9898\uff0c\u800c\u4e0d\u662f\u7b49\u5230\u4ee3\u7801\u8fd0\u884c\u65f6\u624d\u53bb\u8c03\u8bd5\u3002<\/p>\n
\u6bd4\u5982\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u72af\u8fd9\u79cd\u9519\u8bef\uff1a\u5fd8\u8bb0\u4e86\u7ed9\u53d8\u91cf\u8d4b\u503c\uff0c\u5bfc\u81f4 undefined<\/code> \u88ab\u4f20\u5165\u5230\u51fd\u6570\u4e2d\uff1a<\/p>\n
function greet(name: string) {\n  console.log(`Hello, ${name}!`);\n}\n\nlet userName: string;\ngreet(userName);  \/\/ \u9519\u8bef\uff1auserName \u672a\u521d\u59cb\u5316\uff0c\u53ef\u80fd\u662f undefined<\/code><\/pre>\n
TypeScript \u4f1a\u7acb\u523b\u63d0\u9192\u6211\u4eec\u53d8\u91cf userName<\/code> \u6ca1\u6709\u521d\u59cb\u5316\uff0c\u9632\u6b62\u6211\u4eec\u5728\u8fd0\u884c\u65f6\u9047\u5230\u9519\u8bef\u3002<\/p>\n
4.2.2 \u7c7b\u578b\u63a8\u65ad<\/h4>\n
\u5373\u4f7f\u4f60\u4e0d\u624b\u52a8\u4e3a\u6bcf\u4e2a\u53d8\u91cf\u52a0\u4e0a\u7c7b\u578b\u6ce8\u89e3\uff0cTypeScript \u4e5f\u80fd\u901a\u8fc7 \u7c7b\u578b\u63a8\u65ad<\/strong> \u6765\u81ea\u52a8\u63a8\u65ad\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n
let greeting = "Hello, TypeScript!";  \/\/ TypeScript \u4f1a\u81ea\u52a8\u63a8\u65ad greeting \u7684\u7c7b\u578b\u4e3a string<\/code><\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cTypeScript \u81ea\u52a8\u63a8\u65ad\u51fa\u4e86 greeting<\/code> \u53d8\u91cf\u662f string<\/code> \u7c7b\u578b\uff0c\u6211\u4eec\u5e76\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u5199 let greeting: string<\/code>\u3002\u8fd9\u79cd\u667a\u80fd\u63a8\u65ad\u8ba9 TypeScript \u53d8\u5f97\u65e2\u5b89\u5168\u53c8\u4e0d\u5931\u7075\u6d3b\u3002<\/p>\n
4.3 \u9759\u6001\u7c7b\u578b\u7684\u4f18\u52bf\uff1a\u63d0\u9ad8\u53ef\u7ef4\u62a4\u6027<\/h3>\n
4.3.1 \u66f4\u6613\u8bfb\u7684\u4ee3\u7801<\/h4>\n
\u7c7b\u578b\u6ce8\u89e3\u8ba9\u4ee3\u7801\u66f4\u6e05\u6670\u6613\u61c2\u3002\u5f53\u4f60\u5728\u4ee3\u7801\u4e2d\u770b\u5230\u4e00\u4e2a\u7c7b\u578b\u4e3a string<\/code> \u7684\u53d8\u91cf\u65f6\uff0c\u4f60\u7acb\u523b\u5c31\u80fd\u77e5\u9053\u5b83\u5e94\u8be5\u5b58\u50a8\u4e00\u4e2a\u6587\u672c\u503c\u3002\u800c\u5728 JavaScript \u4e2d\uff0c\u7531\u4e8e\u6ca1\u6709\u7c7b\u578b\u6ce8\u89e3\uff0c\u4f60\u53ea\u80fd\u901a\u8fc7\u53d8\u91cf\u7684\u4e0a\u4e0b\u6587\u6765\u731c\u6d4b\u5b83\u7684\u7c7b\u578b\uff0c\u8fd9\u4f1a\u8ba9\u4ee3\u7801\u9605\u8bfb\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\u3002<\/p>\n
\u4f8b\u5982\uff0c\u8003\u8651\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\uff1a<\/p>\n
let user = getUserFromDatabase();\nconsole.log(user.name);<\/code><\/pre>\n
\u5728 JavaScript \u4e2d\uff0c\u6211\u4eec\u65e0\u6cd5\u77e5\u9053 user<\/code> \u53d8\u91cf\u7684\u5177\u4f53\u7c7b\u578b\uff0cgetUserFromDatabase()<\/code> \u8fd4\u56de\u7684\u662f\u4ec0\u4e48\u7c7b\u578b\uff0cname<\/code> \u662f\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u8fd8\u662f\u5176\u4ed6\u7c7b\u578b\u3002\u6211\u4eec\u53ea\u80fd\u4f9d\u8d56\u6ce8\u91ca\u6216\u67e5\u770b\u51fd\u6570\u5b9e\u73b0\u6765\u7406\u89e3\u5b83\u7684\u884c\u4e3a\u3002<\/p>\n
\u5728 TypeScript \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u63a5\u53e3\u548c\u7c7b\u578b\u6ce8\u89e3\u6765\u6e05\u695a\u5730\u63cf\u8ff0 user<\/code> \u53d8\u91cf\u7684\u7ed3\u6784\uff1a<\/p>\n
interface User {\n  name: string;\n  age: number;\n}\n\nlet user: User = getUserFromDatabase();\nconsole.log(user.name);  \/\/ \u73b0\u5728\u6211\u4eec\u77e5\u9053 user \u662f\u4e00\u4e2a User \u7c7b\u578b\u7684\u5bf9\u8c61\uff0cname \u662f\u5b57\u7b26\u4e32<\/code><\/pre>\n
\u901a\u8fc7\u63a5\u53e3\uff0cUser<\/code> \u7c7b\u578b\u660e\u786e\u89c4\u5b9a\u4e86 user<\/code> \u5bf9\u8c61\u7684\u7ed3\u6784\uff0c\u4f7f\u5f97\u4ee3\u7801\u53d8\u5f97\u66f4\u52a0\u53ef\u8bfb\u548c\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n
4.3.2 \u6539\u8fdb\u4ee3\u7801\u91cd\u6784<\/h4>\n
\u5728\u5927\u578b\u9879\u76ee\u4e2d\uff0c\u4ee3\u7801\u7684\u91cd\u6784\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002\u91cd\u6784\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u6539\u52a8\u5f88\u591a\u5730\u65b9\uff0c\u751a\u81f3\u4f1a\u6539\u53d8\u4e00\u4e9b\u51fd\u6570\u548c\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u5982\u679c\u6ca1\u6709\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u91cd\u6784\u540e\u6211\u4eec\u53ef\u80fd\u9519\u8fc7\u67d0\u4e9b\u9700\u8981\u4fee\u6539\u7684\u5730\u65b9\uff0c\u5bfc\u81f4\u65b0\u7684 bug \u4ea7\u751f\u3002<\/p>\n
\u4f46\u662f\u6709\u4e86 TypeScript \u7684\u9759\u6001\u7c7b\u578b\u7cfb\u7edf\uff0c\u5f53\u4f60\u5728\u4fee\u6539\u7c7b\u578b\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u7acb\u523b\u544a\u77e5\u4f60\u54ea\u4e9b\u5730\u65b9\u9700\u8981\u66f4\u65b0\uff0c\u4ece\u800c\u5927\u5927\u51cf\u5c11\u4e86\u56e0\u4e3a\u91cd\u6784\u5e26\u6765\u7684\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u4fee\u6539\u4e86\u63a5\u53e3 User<\/code> \u7684\u5b9a\u4e49\uff1a<\/p>\n
interface User {\n  name: string;\n  age: number;\n  email: string;  \/\/ \u65b0\u589e\u4e86 email \u5c5e\u6027\n}<\/code><\/pre>\n
\u90a3\u4e48\u7f16\u8bd1\u5668\u4f1a\u63d0\u9192\u4f60\uff0c\u6240\u6709\u4f7f\u7528 User<\/code> \u7c7b\u578b\u7684\u5730\u65b9\u90fd\u9700\u8981\u66f4\u65b0\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u548c\u6b63\u786e\u6027\u3002<\/p>\n
4.4 \u9759\u6001\u7c7b\u578b\u7684\u4f18\u52bf\uff1a\u4ee3\u7801\u81ea\u52a8\u8865\u5168\u4e0e\u667a\u80fd\u63d0\u793a<\/h3>\n
\u5927\u591a\u6570\u5f00\u53d1\u5de5\u5177\u548c\u7f16\u8f91\u5668\uff08\u6bd4\u5982 VS Code\uff09\u90fd\u80fd\u591f\u6839\u636e TypeScript \u7684\u7c7b\u578b\u7cfb\u7edf\u63d0\u4f9b \u4ee3\u7801\u8865\u5168<\/strong> \u548c \u667a\u80fd\u63d0\u793a<\/strong>\u3002\u8fd9\u6bd4\u8d77 JavaScript \u7684\u5355\u7eaf\u4ee3\u7801\u8865\u5168\u8981\u5f3a\u5927\u5f97\u591a\u3002<\/p>\n
\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5f53\u4f60\u5728 TypeScript \u4e2d\u4f7f\u7528\u4e00\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\u65f6\uff0c\u7f16\u8f91\u5668\u4f1a\u6839\u636e\u7c7b\u578b\u81ea\u52a8\u663e\u793a\u6240\u6709\u53ef\u7528\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff1a<\/p>\n
let user: User = getUserFromDatabase();\nconsole.log(user.name);  \/\/ \u5728\u8fd9\u91cc\uff0c\u7f16\u8f91\u5668\u4f1a\u63d0\u793a user \u5177\u6709 name \u548c age \u5c5e\u6027<\/code><\/pre>\n
\u800c\u5728 JavaScript \u4e2d\uff0c\u7531\u4e8e\u6ca1\u6709\u9759\u6001\u7c7b\u578b\uff0c\u7f16\u8f91\u5668\u65e0\u6cd5\u63d0\u4f9b\u8fd9\u4e48\u667a\u80fd\u7684\u63d0\u793a\uff0c\u5f00\u53d1\u8005\u53ea\u80fd\u4f9d\u8d56\u81ea\u5df1\u7684\u8bb0\u5fc6\u6216\u8005\u67e5\u9605\u6587\u6863\u3002<\/p>\n
4.5 \u4e3a\u4ec0\u4e48\u9009\u62e9TypeScript\uff1f<\/h3>\n
\u65e2\u7136\u9759\u6001\u7c7b\u578b\u6709\u8fd9\u4e48\u591a\u597d\u5904\uff0c\u90a3\u4e3a\u4ec0\u4e48\u4e0d\u76f4\u63a5\u4f7f\u7528\u5176\u4ed6\u9759\u6001\u7c7b\u578b\u8bed\u8a00\u5462\uff1f\u4e3a\u4ec0\u4e48\u8981\u9009\u62e9 TypeScript<\/strong> \u800c\u4e0d\u662f\u5176\u4ed6\u50cf Java \u6216 C# \u8fd9\u6837\u7684\u9759\u6001\u7c7b\u578b\u8bed\u8a00\u5462\uff1f<\/p>\n
    \n
  1. \u4e0e JavaScript \u517c\u5bb9<\/strong>\uff1aTypeScript \u662f JavaScript \u7684\u8d85\u96c6\uff0c\u6240\u6709\u5408\u6cd5\u7684 JavaScript \u4ee3\u7801\u90fd\u662f\u5408\u6cd5\u7684 TypeScript \u4ee3\u7801\u3002\u8fd9\u6837\uff0c\u4f60\u53ef\u4ee5\u9010\u6b65\u8fc1\u79fb\u73b0\u6709\u7684 JavaScript \u9879\u76ee\u5230 TypeScript\uff0c\u800c\u4e0d\u662f\u4ece\u96f6\u5f00\u59cb\u3002<\/li>\n
  2. \u6e10\u8fdb\u5f0f\u7c7b\u578b\u7cfb\u7edf<\/strong>\uff1aTypeScript \u5e76\u4e0d\u4f1a\u5f3a\u5236\u4f60\u5b8c\u5168\u4f7f\u7528\u7c7b\u578b\u7cfb\u7edf\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9010\u6e10\u6dfb\u52a0\u7c7b\u578b\u6ce8\u89e3\uff0c\u4e5f\u53ef\u4ee5\u5728\u67d0\u4e9b\u5730\u65b9\u8df3\u8fc7\u7c7b\u578b\u68c0\u67e5\uff0c\u8ba9\u9879\u76ee\u4fdd\u6301\u7075\u6d3b\u6027\u3002<\/li>\n
  3. \u73b0\u4ee3\u7279\u6027<\/strong>\uff1aTypeScript \u652f\u6301\u6700\u65b0\u7684 JavaScript \u7279\u6027\uff0c\u751a\u81f3\u5728\u5b83\u4eec\u88ab\u6b63\u5f0f\u52a0\u5165 JavaScript \u4e4b\u524d\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728 TypeScript \u4e2d\u4f7f\u7528\u8fd9\u4e9b\u7279\u6027\u3002\u6bd4\u5982\uff0cTypeScript \u5728\u652f\u6301 ES6\u3001ES7 \u7279\u6027\u65b9\u9762\u505a\u5f97\u5f88\u597d\uff0c\u5e76\u4e14\u5b83\u4f1a\u5c06\u8fd9\u4e9b\u65b0\u7279\u6027\u8f6c\u6362\u4e3a\u517c\u5bb9\u65e7\u6d4f\u89c8\u5668\u7684\u4ee3\u7801\u3002<\/li>\n<\/ol>\n
    4.6 \u603b\u7ed3<\/h3>\n
    \u4eca\u5929\u6211\u4eec\u6df1\u5165\u63a2\u8ba8\u4e86 \u9759\u6001\u7c7b\u578b<\/strong> \u7684\u4f18\u52bf\uff0c\u4ee5\u53ca\u5b83\u4e3a\u4ec0\u4e48\u5bf9\u6211\u4eec\u7684\u5f00\u53d1\u5de5\u4f5c\u5982\u6b64\u91cd\u8981\u3002\u901a\u8fc7\u9759\u6001\u7c7b\u578b\uff0cTypeScript \u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u63d0\u524d\u53d1\u73b0\u9519\u8bef\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u540c\u65f6\u4e3a\u6211\u4eec\u63d0\u4f9b\u66f4\u597d\u7684\u5f00\u53d1\u4f53\u9a8c\u3002<\/p>\n
    \u5982\u679c\u4f60\u4ece JavaScript \u8fc7\u6e21\u5230 TypeScript\uff0c\u4f60\u4f1a\u53d1\u73b0\uff0c\u5b83\u80fd\u8ba9\u4f60\u7f16\u5199\u51fa\u66f4\u53ef\u9760\u3001\u66f4\u6613\u4e8e\u7ba1\u7406\u7684\u4ee3\u7801\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0cTypeScript \u7684\u7c7b\u578b\u7cfb\u7edf\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u66f4\u5f3a\u7684\u4fdd\u969c\uff0c\u5c24\u5176\u662f\u5728\u5f00\u53d1\u5927\u578b\u9879\u76ee\u548c\u56e2\u961f\u534f\u4f5c\u65f6\u3002<\/p>\n
    \u540e\u9762\u6211\u4eec\u5c06\u8fdb\u4e00\u6b65\u63a2\u8ba8 TypeScript \u4e2d\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\uff0c\u770b\u770b\u5b83\u5982\u4f55\u5e2e\u52a9\u6211\u4eec\u7ba1\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n
    https:\/\/segmentfault.com\/a\/1190000045667185<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
    \u672c\u6587\u6211\u4eec\u8981\u8ba8\u8bba\u4e00\u4e2a\u975e\u5e38\u5173\u952e\u7684\u6982\u5ff5\u2014\u2014\u9759\u6001\u7c7b\u578b\uff0c\u4ee5\u53ca\u5b83\u662f\u5982\u4f55\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7f16\u5199\u4ee3\u7801\u7684\uff0c\u7279\u522b\u662f\u4e3a\u4ec0\u4e48\u5728\u5f00\u53d1\u4e2d\u9009\u62e9  […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020533","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020533"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020533\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}