{"id":1289,"date":"2024-11-07T17:41:06","date_gmt":"2024-11-07T09:41:06","guid":{"rendered":"https:\/\/note.ui11.cc\/?p=1289"},"modified":"2024-11-07T17:41:07","modified_gmt":"2024-11-07T09:41:07","slug":"typescript","status":"publish","type":"post","link":"https:\/\/note.ui11.cc\/index.php\/2024\/11\/07\/typescript\/","title":{"rendered":"TypeScript"},"content":{"rendered":"\n

1.\u6982\u8ff0
TypeScript\u662f\u7528\u4e8e\u5e94\u7528\u7a0b\u5e8f\u89c4\u6a21\u5f00\u53d1\u7684JavaScript\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u7f16\u8bd1ts\u6587\u4ef6\u4ee3\u7801\uff1a<\/p>\n\n\n\n

tsc \u6587\u4ef6\u540d<\/p>\n\n\n\n

\u8fd0\u884cjs\u6587\u4ef6\uff1a<\/p>\n\n\n\n

node js\u6587\u4ef6\u540d<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u5982\u4f55\u7406\u89e3ts\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

TypeScript\u662f\u5f3a\u7c7b\u578b\uff0c\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u8bd1\u8bed\u8a00\u3002\u5b83\u662f\u7531\u5fae\u8f6f\u7684Anders Hejlsberg\uff08C\uff03\u7684\u8bbe\u8ba1\u8005\uff09\u8bbe\u8ba1\u7684\u3002<\/p>\n\n\n\n

TypeScript\u65e2\u662f\u4e00\u79cd\u8bed\u8a00\u53c8\u662f\u4e00\u7ec4\u5de5\u5177\u3002TypeScript\u662fJavaScript\u7684\u4e00\u4e2a\u8d85\u96c6\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cTypeScript\u662fJavaScript\u52a0\u4e0a\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd\u3002
TypeScript\u5e38\u7528\u7c7b\u578b\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
                        \nTypeScript \u6269\u5c55\u4e86 JavaScript \u7684\u8bed\u6cd5\uff0c\u6240\u4ee5\u4efb\u4f55\u73b0\u6709\u7684 JavaScript \u7a0b\u5e8f\u53ef\u4ee5\u4e0d\u52a0\u6539\u53d8\u7684\u5728 TypeScript \u4e0b\u5de5\u4f5c\u3002TypeScript \u662f\u4e3a\u5927\u578b\u5e94\u7528\u4e4b\u5f00\u53d1\u800c\u8bbe\u8ba1\uff0c\u800c\u7f16\u8bd1\u65f6\u5b83\u4ea7\u751f JavaScript \u4ee5\u786e\u4fdd\u517c\u5bb9\u6027\u3002\n<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
TypeScript \u53ef\u4ee5\u7f16\u8bd1\u51fa\u7eaf\u51c0\u3001 \u7b80\u6d01\u7684 JavaScript \u4ee3\u7801\uff0c\u5e76\u4e14\u53ef\u4ee5\u8fd0\u884c\u5728\u4efb\u4f55\u6d4f\u89c8\u5668\u4e0a\u3001Node.js \u73af\u5883\u4e2d\u548c\u4efb\u4f55\u652f\u6301 ECMAScript 3\uff08\u6216\u66f4\u9ad8\u7248\u672c\uff09\u7684 JavaScript \u5f15\u64ce\u4e2d\u3002<\/p>\n\n\n\n
\u6ce8\u610f\uff1anode.js\u662f\u524d\u7aef\u8fd0\u884c\u73af\u5883<\/p>\n\n\n\n
npm\u662fjavaScript\u7684\u5305\u7ba1\u7406\u5de5\u5177<\/p>\n\n\n\n
vue cli:\u57fa\u4e8evue\u5feb\u901f\u5f00\u53d1\u7684\u5b8c\u6574\u7cfb\u7edf\uff0c\u5b9e\u73b0\u4ea4\u4e92\u5f0f\u7684\u9879\u76ee\u811a\u624b\u67b6<\/p>\n\n\n\n
\u4ece\u672c\u8d28\u4e0a\u8bb2\uff0cTypeScript\u7531\u4ee5\u4e0b\u4e09\u4e2a\u7ec4\u6210\u90e8\u5206\uff1a<\/p>\n\n\n\n
\u8bed\u8a00 – \u5b83\u5305\u62ec\u8bed\u6cd5\uff0c\u5173\u952e\u5b57\u548c\u7c7b\u578b\u6ce8\u91ca\u3002
\u7f16\u8bd1\u5668 – TypeScript\u7f16\u8bd1\u5668\uff08TSC\uff09\u5c06\u4f7f\u7528TypeScript\u7f16\u5199\u7684\u6307\u4ee4\u8f6c\u6362\u4e3a\u5176\u7b49\u6548\u7684JavaScript\u3002
\u8bed\u8a00\u670d\u52a1 – \u201cTypeScript\u8bed\u8a00\u670d\u52a1\u201d\u5728\u6838\u5fc3\u7f16\u8bd1\u7ba1\u9053\u5468\u56f4\u516c\u5f00\u4e86\u4e00\u4e2a\u989d\u5916\u7684\u5c42\uff0c\u5b83\u662f\u7c7b\u4f3c\u7f16\u8f91\u5668\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u8bed\u8a00\u670d\u52a1\u652f\u6301\u5e38\u89c1\u7684\u7f16\u8f91\u5668\u64cd\u4f5c\u96c6\uff0c\u5982\u8bed\u53e5\u5b8c\u6210\uff0c\u7b7e\u540d\u5e2e\u52a9\uff0c\u4ee3\u7801\u683c\u5f0f\u5316\u548c\u5927\u7eb2\uff0c\u7740\u8272\u7b49\u3002
\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n\n\n\n
                        \n\u5e03\u5c14\u503c\uff1a\n1\uff09\u5e03\u5c14\u503c\n\u5b9a\u4e49\u4e00\u4e2a\u5e03\u5c14\u7c7b\u578b\u7684\u53d8\u91cf:<\/code><\/pre>\n\n\n\n
let isDone: boolean = false;\n<\/code><\/pre>\n\n\n\n
TypeScript\u4e2d, \u5728\u53c2\u6570\u540d\u79f0\u540e\u9762\u4f7f\u7528\u5192\u53f7:\u6765\u6307\u5b9a\u53c2\u6570\u7684\u7c7b\u578b<\/p>\n\n\n\n
let \u53d8\u91cf\u540d: \u6570\u636e\u7c7b\u578b\n<\/code><\/pre>\n\n\n\n
\uff082\uff09\u6570\u5b57<\/h5>\n\n\n\n
\u548c JavaScript \u4e00\u6837\uff0cTypeScript \u91cc\u7684\u6240\u6709\u6570\u5b57\u90fd\u662f\u6d6e\u70b9\u6570\u3002 \u8fd9\u4e9b\u6d6e\u70b9\u6570\u7684\u7c7b\u578b\u662f number\u3002 \u9664\u4e86\u652f\u6301\u5341\u8fdb\u5236\u548c\u5341\u516d\u8fdb\u5236\u5b57\u9762\u91cf\uff0cTypeScript \u8fd8\u652f\u6301 ECMAScript 2015 \u4e2d\u5f15\u5165\u7684\u4e8c\u8fdb\u5236\u548c\u516b\u8fdb\u5236\u5b57\u9762\u91cf\u3002<\/p>\n\n\n\n
let decLiteral: number = 6;\nlet hexLiteral: number = 0xf00d;\nlet binaryLiteral: number = 0b1010;\nlet octalLiteral: number = 0o744;\n<\/code><\/pre>\n\n\n\n
\uff083\uff09\u5b57\u7b26\u4e32<\/h5>\n\n\n\n
\u666e\u901a\u5b57\u7b26\u4e32<\/strong><\/p>\n\n\n\n
JavaScript \u7a0b\u5e8f\u7684\u53e6\u4e00\u9879\u57fa\u672c\u64cd\u4f5c\u662f\u5904\u7406\u7f51\u9875\u6216\u670d\u52a1\u5668\u7aef\u7684\u6587\u672c\u6570\u636e\u3002 \u50cf\u5176\u5b83\u8bed\u8a00\u91cc\u4e00\u6837\uff0c\u6211\u4eec\u4f7f\u7528 string \u8868\u793a\u6587\u672c\u6570\u636e\u7c7b\u578b\u3002 \u548c JavaScript \u4e00\u6837\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cc\u5f15\u53f7 “\u6216\u5355\u5f15\u53f7\u2019\u8868\u793a\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n
let name: string = \"bob\";\nname = \"loen\";\n<\/code><\/pre>\n\n\n\n
\u591a\u884c\u5b57\u7b26\u4e32<\/strong><\/p>\n\n\n\n
\u5728Typescript\u4e2d\u4f60\u53ef\u4ee5\u4f7f\u7528\u53cd\u5f15\u53f7\u8868\u793a\u591a\u884c\u5b57\u7b26\u4e32.<\/p>\n\n\n\n
let hello: string = Welcome to \nW3cschool;\n<\/code><\/pre>\n\n\n\n
\u5185\u5d4c\u8868\u8fbe\u5f0f<\/strong><\/p>\n\n\n\n
\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6a21\u7248\u5b57\u7b26\u4e32\uff0c\u4e5f\u5c31\u662f\u5728\u53cd\u5f15\u53f7\u4e2d\u4f7f\u7528 ${ expr }\u8fd9\u79cd\u5f62\u5f0f\u5d4c\u5165\u8868\u8fbe\u5f0f<\/p>\n\n\n\n
let name: string = Loen;
let age: number = 37;
let sentence: string = Hello, my name is ${ name }.
\/\/\u4e0e\u4e0b\u9762\u5b9a\u4e49sentence\u7684\u65b9\u5f0f\u6548\u679c\u76f8\u540c
I’ll be ${ age + 1 } years old next month.;<\/p>\n\n\n\n
let sentence: string = “Hello, my name is ” + name + “.\\n\\n” +
“I’ll be ” + (age + 1) + ” years old next month.”;<\/p>\n\n\n\n
\u81ea\u52a8\u62c6\u5206\u5b57\u7b26\u4e32<\/strong><\/p>\n\n\n\n
\u6211\u4eec\u53ef\u4ee5\u7528\u5b57\u7b26\u4e32\u6a21\u677f\u53bb\u8c03\u7528\u4e00\u4e2a\u65b9\u6cd5<\/p>\n\n\n\n
function userinfo(params,name,age){\n    console.log(params);\n    console.log(name);\n    console.log(age);\n}\n\n\nlet myname = \"Loen Wang\";\nlet getAge = function(){\n    return 18;\n}\n\/\/ \u8c03\u7528\nuserinfohello my name is ${myname}, i'm ${getAge()}\n<\/code><\/pre>\n\n\n\n
\uff084\uff09\u6570\u7ec4<\/h5>\n\n\n\n
TypeScript \u6709\u4e24\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5b9a\u4e49\u6570\u7ec4\u3002<\/p>\n\n\n\n
\u7b2c\u4e00\u79cd, \u662f\u5728\u5143\u7d20\u7c7b\u578b\u540e\u9762\u63a5\u4e0a []\uff0c\u8868\u793a\u7531\u6b64\u7c7b\u578b\u5143\u7d20\u7ec4\u6210\u7684\u4e00\u4e2a\u6570\u7ec4\uff1a<\/p>\n\n\n\n
let list: number[] = [1, 2, 3];<\/p>\n\n\n\n
\u7b2c\u4e8c\u79cd\u65b9\u5f0f\u662f\u4f7f\u7528\u6570\u7ec4\u6cdb\u578b\uff0cArray<\u5143\u7d20\u7c7b\u578b>\uff1a<\/p>\n\n\n\n
let list: Array = [1, 2, 3];<\/p>\n\n\n\n
\uff085\uff09\u5143\u7ec4Tuple<\/h5>\n\n\n\n
\u5143\u7ec4\u7c7b\u578b\u5141\u8bb8\u8868\u793a\u4e00\u4e2a\u5df2\u77e5\u5143\u7d20\u6570\u91cf\u548c\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u5404\u5143\u7d20\u7684\u7c7b\u578b\u4e0d\u5fc5\u76f8\u540c\u3002 \u6bd4\u5982\uff0c\u4f60\u53ef\u4ee5\u5b9a\u4e49\u4e00\u5bf9\u503c\u5206\u522b\u4e3a string \u548c number \u7c7b\u578b\u7684\u5143\u7ec4\u3002<\/p>\n\n\n\n
\/\/ \u58f0\u660e\u4e00\u4e2a\u5143\u7ec4\u7c7b\u578b\nlet x: [string, number];\n\/\/ \u521d\u59cb\u5316\u5143\u7ec4\nx = ['hello', 10]; \nx = [10, 'hello']; \/\/ \u8fd9\u91cc\u4f1a\u62a5\u9519,\u7c7b\u578b\u9519\u8bef\n<\/code><\/pre>\n\n\n\n
\uff086\uff09\u679a\u4e3e<\/h5>\n\n\n\n
enum \u7c7b\u578b\u662f\u5bf9 JavaScript \u6807\u51c6\u6570\u636e\u7c7b\u578b\u7684\u4e00\u4e2a\u8865\u5145\u3002 \u50cf C# \u7b49\u5176\u5b83\u8bed\u8a00\u4e00\u6837\uff0c\u4f7f\u7528\u679a\u4e3e\u7c7b\u578b\u53ef\u4ee5\u4e3a\u4e00\u7ec4\u6570\u503c\u8d4b\u4e88\u53cb\u597d\u7684\u540d\u5b57\u3002<\/p>\n\n\n\n
enum Color {Red, Green, Blue}\nlet c: Color = Color.Green;\n<\/code><\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
1.\u6982\u8ff0TypeScript\u662f\u7528\u4e8e\u5e94\u7528\u7a0b\u5e8f\u89c4\u6a21\u5f00\u53d1\u7684JavaScript\u3002 \u7f16\u8bd1ts\u6587\u4ef6\u4ee3\u7801\uff1a tsc \u6587\u4ef6\u540d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,8,17],"tags":[],"class_list":["post-1289","post","type-post","status-publish","format-standard","hentry","category-javase","category-8","category-17"],"_links":{"self":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/1289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/comments?post=1289"}],"version-history":[{"count":1,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/1289\/revisions"}],"predecessor-version":[{"id":1370,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/1289\/revisions\/1370"}],"wp:attachment":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/media?parent=1289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/categories?post=1289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/tags?post=1289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}