{"id":524,"date":"2019-12-21T11:11:55","date_gmt":"2019-12-21T03:11:55","guid":{"rendered":"http:\/\/wccass.com\/?p=524"},"modified":"2019-12-21T11:11:55","modified_gmt":"2019-12-21T03:11:55","slug":"typescript%e5%9f%ba%e7%a1%80%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/blog.tongyunli.top\/?p=524","title":{"rendered":"TypeScript\u57fa\u7840\u603b\u7ed3"},"content":{"rendered":"\n<p><strong>TypeScript<\/strong><strong>\u662f\u5fae\u8f6f\u5f00\u53d1\u7684<\/strong><strong>\u5f00\u6e90\u7f16\u7a0b\u8bed\u8a00<\/strong><\/p>\n\n\n\n<p><strong>TypeScript<\/strong><strong>\u662f<\/strong><strong>JavaScript<\/strong><strong>\u7684\u8d85\u96c6<\/strong><strong>\uff0c\u5176\u672c\u8d28\u662f\u5411<\/strong><strong>JavaScript<\/strong><strong>\u6dfb\u52a0\u4e86<\/strong><strong>\u6570\u636e\u7c7b\u578b<\/strong><strong>\u548c<\/strong><strong>\u9762\u5411\u5bf9\u8c61<\/strong><strong>\u7279\u5f81<\/strong><\/p>\n\n\n\n<p><strong>TypeScript<\/strong><strong>\n<\/strong><strong>\u4ee3\u7801\u53ef<\/strong><strong>\u4e0e <\/strong><strong>JavaScript<\/strong><strong>\u4e00\u8d77\u4f7f\u7528<\/strong><\/p>\n\n\n\n<p><strong>TypeScript\u6587\u4ef6\u6269\u5c55\u540d\u4e3a.ts,\u53ef\u4ee5\u7f16\u8bd1\u4e3aJavaScript\u4ee3\u7801\uff0c\u6269\u5c55\u540d\u4e3a.js\u6587\u4ef6<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> <strong>\u521b\u5efaTypeScript\u9879\u76ee<\/strong> <\/h2>\n\n\n\n<p>\u521b\u5efa\u6587\u4ef6\u5939<\/p>\n\n\n\n<p>\u65b0\u5efatypescript\u6587\u4ef6 \u8bb0\u4e8b\u672c\u6587\u4ef6\u66f4\u6539\u540e\u7f00\u540d\u4e3a.ts<\/p>\n\n\n\n<p>\u6587\u4ef6\u91cc\u8f93\u5165console.log(&#8220;Hello World&#8221;)<\/p>\n\n\n\n<p>hello world \u7a0b\u5e8f\u5b8c\u6210<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> \u8fd0\u884c <strong>TypeScript\u9879\u76ee<\/strong>  <\/h2>\n\n\n\n<p>\u6253\u5f00cmd\u547d\u4ee4\u884c\u8fdb\u5230\u6587\u4ef6\u6240\u5728\u6587\u4ef6\u5939<\/p>\n\n\n\n<p class=\"has-background has-luminous-vivid-orange-background-color\">tsc \u6587\u4ef6\u540d.ts \/\/ \u5c06ts\u6587\u4ef6\u7f16\u8bd1\u4e3a.js\u6587\u4ef6<\/p>\n\n\n\n<p><strong>\u4f7f\u7528node\u547d\u4ee4\u8fd0\u884cjs\u6587\u4ef6<\/strong><\/p>\n\n\n\n<p class=\"has-background has-luminous-vivid-orange-background-color\">node \u6587\u4ef6\u540d.js<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>TypeScript\u652f\u6301\u6570\u636e\u7c7b\u578b\u7cfb\u7edf<\/strong><\/h2>\n\n\n\n<table class=\"wp-block-table aligncenter has-subtle-pale-pink-background-color has-background\"><tbody><tr><td>\n  <strong>&nbsp;\u7c7b\u578b\u540d\u79f0<\/strong>\n  <\/td><td>\n  <strong>\u8bf4\u660e<\/strong>\n  <\/td><\/tr><tr><td>\n  <strong>boolean<\/strong>\n  <\/td><td>\n  <strong>\u5e03\u5c14\u7c7b\u578b<\/strong>\n  <\/td><\/tr><tr><td>\n  <strong>number<\/strong>\n  <\/td><td>\n  <strong>\u6570\u5b57\u7c7b\u578b<\/strong>\n  <\/td><\/tr><tr><td>\n  <strong>string<\/strong>\n  <\/td><td>\n  <strong>\u5b57\u7b26\u4e32\u7c7b\u578b<\/strong>\n  <\/td><\/tr><tr><td>\n  <strong>Array<\/strong>\n  <\/td><td>\n  <strong>\u6570\u7ec4\u7c7b\u578b<\/strong>\n  <\/td><\/tr><tr><td>\n  <strong>enum<\/strong>\n  <\/td><td>\n  <strong>\u679a\u4e3e\u7c7b\u578b<\/strong>\n  <\/td><\/tr><tr><td>\n  <strong>any<\/strong>\n  <\/td><td><strong>   \u4efb\u610f\u7c7b\u578b   <\/strong><\/td><\/tr><\/tbody><\/table>\n\n\n\n<h2 class=\"wp-block-heading\"> <strong>\u58f0\u660e\u53d8\u91cf<\/strong> <\/h2>\n\n\n\n<p class=\"has-background has-luminous-vivid-orange-background-color\"><strong>let <\/strong><strong>\u53d8\u91cf\u540d\uff1a\u6570\u636e\u7c7b\u578b<\/strong><strong>=<\/strong><strong>\u503c<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">  <strong>\u5728TypeScript\u4e2d\uff0c\u6d6e\u70b9\u6570\u3001\u6574\u6570\u5747\u5c5e\u4e8enumber\u7c7b\u578b<\/strong>  <\/h4>\n\n\n\n<p><strong>let num1:number=3;<\/strong><\/p>\n\n\n\n<p><strong>&nbsp;let num2:number=3.2; <\/strong><\/p>\n\n\n\n<p><strong>&nbsp;let num3:number=<\/strong><strong>0b<\/strong><strong>1010;<\/strong><\/p>\n\n\n\n<p><strong>&nbsp;let num4:number=<\/strong><strong>0o<\/strong><strong>744;<\/strong><\/p>\n\n\n\n<p><strong>&nbsp;let num5:number=<\/strong><strong>0x<\/strong><strong>f00d;<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"> <strong>\u5728TypeScript\u4e2d\uff0c<\/strong> <strong>\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u503c\u9700\u8981\u901a\u8fc7\u53cc\u5f15\u53f7\u6216\u5355\u5f15\u53f7\u5c06\u5b57\u7b26\u4e32\u7684\u503c\u8fdb\u884c\u5305\u88f9<\/strong> <\/h4>\n\n\n\n<p><strong>&nbsp;let name1<\/strong><strong>\uff1a<\/strong><strong>string=\u201cHello, my name is\n\u2018Lin\u2019&nbsp;&nbsp; \u201d<\/strong><\/p>\n\n\n\n<p><strong>&nbsp;let name2<\/strong><strong>\uff1a<\/strong><strong>string=\u2018Hello, my name is\n\u201cLin\u201d&nbsp;&nbsp; \u2019&nbsp;\n<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Array\u6570\u7ec4\u7c7b\u578b<\/strong><\/h2>\n\n\n\n<p>\u4e24\u79cd\u5b9a\u4e49\u65b9\u5f0f:<\/p>\n\n\n\n<p><strong>let arr1:number[ ]=[2,7,9];<\/strong><\/p>\n\n\n\n<p><strong>&nbsp;let arr2<\/strong><strong>\uff1a<\/strong><strong>Array&lt;number&gt;=[2,7,9];\n<\/strong><\/p>\n\n\n\n<p class=\"has-background has-luminous-vivid-orange-background-color\"><strong>let arr3:[string,number]=[\u201cage\u201d\uff0c30]; <\/strong> \/\/\u5143\u7ec4 \u6570\u7ec4\u4e2d\u5143\u7d20\u7c7b\u578b\u4e0d\u540c\u65f6\u4f7f\u7528<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>enum\u679a\u4e3e\u7c7b\u578b<\/strong><\/h2>\n\n\n\n<p>\u5b9a\u4e49\u683c\u5f0f:<\/p>\n\n\n\n<p><strong>enum<\/strong><strong> <\/strong><strong>\u679a\u4e3e\u7c7b\u578b\u540d<\/strong><strong>{&nbsp;&nbsp; <\/strong><strong>\u5e38\u6570\u540d<\/strong><strong>1=<\/strong><strong>\u5e38\u6570\u503c<\/strong><strong>1, <\/strong><strong>\u5e38\u6570\u540d<\/strong><strong>2=<\/strong><strong>\u5e38\u6570\u503c<\/strong><strong>\u2026\u2026. }<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>any\u4efb\u610f\u7c7b\u578b<\/strong><\/h2>\n\n\n\n<p>\u5f53\u4e0d\u786e\u5b9a\u6570\u636e\u7c7b\u578b\u65f6\u53ef\u4ee5\u4f7f\u7528any\u7c7b\u578b<\/p>\n\n\n\n<p><strong>let aa1:any=20;<\/strong><\/p>\n\n\n\n<p><strong>let aa2:any=\u201c<\/strong><strong>abc<\/strong><strong>\u201d;<\/strong><\/p>\n\n\n\n<p><strong>let aa3:any=true;<\/strong><\/p>\n\n\n\n<p><strong>let aa4:any[ ]=[1,true,\u201dfreee\u201d];<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u65e0\u53c2\u51fd\u6570<\/strong>\u548c\u6709\u53c2\u51fd\u6570<\/h2>\n\n\n\n<p>\u65e0\u53c2\u51fd\u6570\u5b9a\u4e49<\/p>\n\n\n<p><\/p>\n\n\n<\/p>\n<p><strong>\u00a0function\u00a0 \u51fd\u6570\u540d\u79f0(){<\/strong><\/p>\n<p>\n\n\n\n<\/p>\n<p><strong>\u00a0\u00a0\u00a0\u00a0 \/\/<\/strong><strong>\u51fd\u6570\u4e3b\u4f53<\/strong><\/p>\n<p>\n\n\n\n<\/p>\n<p><strong>}<\/strong><\/p>\n<p>\n\n\n<p><\/p>\n<p><b>function&nbsp; <\/b><b>buildName<\/b><b>( ){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp; return \u201c<\/b><b>MaYun<\/b><b>\u201d;<\/b><\/p>\n<p><b>}<\/b><\/p>\n\n\n<p>\u6709\u53c2\u51fd\u6570\u5b9a\u4e49:<\/p>\n\n\n<p><b>function&nbsp; <\/b><b>\u51fd\u6570\u540d\u79f0<\/b><b>(<\/b><b>\u53c2\u6570\u540d<\/b><b>1<\/b><b>\uff1a\u53c2\u6570\u7c7b\u578b<\/b><b>,<\/b><b>\u53c2\u6570\u540d<\/b><b>2<\/b><b>\uff1a\u53c2\u6570\u7c7b\u578b<\/b><b>\u2026){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp; \/\/<\/b><b>\u51fd\u6570\u4e3b\u4f53<\/b><\/p>\n<p><b>}<\/b><\/p>\n<p>\/\/\u8c03\u7528\u5e76\u4f20\u503c<\/p>\n<p><b>let name1:string =<\/b><b>buildName<\/b><b>(\u201cMa\u201d,\u201d<\/b><b>Huateng<\/b><b>\u201d);<\/b><\/p>\n\n\n<p>ps:<\/p>\n\n\n\n<p class=\"has-background has-vivid-green-cyan-background-color\"><strong>\u6bcf\u4e2a\u53c2\u6570<\/strong><strong>\u5fc5\u987b\u4f20\u5165\u503c<\/strong><strong>\uff08\u53ef\u4f20\u9012<\/strong><strong>null,undefined<\/strong><strong>\uff09<\/strong><strong>,<\/strong><\/p>\n\n\n\n<p class=\"has-background has-vivid-green-cyan-background-color\"><strong>\u4f20\u9012\u7684\u503c\u7684<\/strong><strong>\u4e2a\u6570<\/strong><strong>\u4e0e\u5b9a\u4e49\u7684\u53c2\u6570<\/strong><strong>\u4e2a\u6570<\/strong><strong>\u4e00\u81f4<\/strong><\/p>\n\n\n\n<p class=\"has-background has-vivid-green-cyan-background-color\"><strong>\u4f20\u9012\u7684\u503c\u7684<\/strong><strong>\u7c7b\u578b<\/strong><strong>\u4e0e\u5b9a\u4e49\u7684\u53c2\u6570<\/strong><strong>\u7c7b\u578b<\/strong><strong>\u4e00\u81f4<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u533f <strong>\u540d\u51fd\u6570<\/strong><\/h2>\n\n\n\n<p><strong>\u533f\u540d\u51fd\u6570\u8bed\u6cd5<\/strong> :<\/p>\n\n\n<p><b>let <\/b><b>\u53d8\u91cf\u540d\u79f0<\/b><b>=function (x<\/b><b>\uff1a\u53c2\u6570\u7c7b\u578b<\/b><b>,y<\/b><b>\uff1a\u53c2\u6570\u7c7b\u578b<\/b><b>){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp; return <\/b><b>x+y<\/b><b>;<\/b><\/p>\n<p><b>}<\/b><b>\uff1b<\/b><\/p>\n<p><b>&nbsp;let <\/b><b>buildName<\/b><b>=function(<\/b><b>x:string,y:string<\/b><b> ){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp; return&nbsp; <\/b><b>x+y<\/b><b>;<\/b><\/p>\n<p><b>}<\/b><\/p>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u53ef\u9009\u53c2\u6570<\/strong><\/h2>\n\n\n\n<p><strong>\u5f53\u4e0d\u786e\u5b9a\u4f20\u5165\u67d0\u4e00\u7c7b\u578b\u7684\u53c2\u6570\u65f6\uff0c\u53ef\u901a\u8fc7\u5728<\/strong><strong>\u53c2\u6570\u540d<\/strong><strong>\u540e\u9762\u52a0\u5165<\/strong><strong>\u201d<\/strong><strong>?<\/strong><strong>\u201d<\/strong><strong>\u7b26\u53f7\uff0c\u4f7f\u8be5\u53c2\u6570\u53d8\u4e3a\u53ef\u9009\u53c2\u6570\u3002<\/strong><\/p>\n\n\n<p><b>function <\/b><b>buildName<\/b><b>\uff08<\/b><b>firstName:string<\/b><b>, <\/b><b>lastname<\/b><b>?<\/b><b> :string<\/b><b>\uff09<\/b><b>{<\/b><\/p>\n<p><b>&nbsp;&nbsp; if(<\/b><b>lastName<\/b><b>!=null){&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return <\/b><b>firstname<\/b><b>+\u201d&nbsp; \u201d+<\/b><b>lastName<\/b><b>;&nbsp; <\/b><\/p>\n<p><b>&nbsp;&nbsp; }else{<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return <\/b><b>firstname<\/b><b>;<\/b><\/p>\n<p><b>&nbsp;&nbsp; }<\/b><\/p>\n<p><b>}<\/b><\/p>\n<p><b>let result1:string=<\/b><b>buildName<\/b><b>(\u201c<\/b><b>Bob\u201d,\u201dAdams<\/b><b>\u201d);<\/b><\/p>\n<p><b>let result2:string=<\/b><b>buildName<\/b><b>(\u201cBob\u201d);<\/b><\/p>\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5269\u4f59\u53c2\u6570<\/strong><\/h2>\n\n\n\n<p><strong>\u5f53\u5269\u4f59<\/strong><strong>\u591a\u4e2a\u540c\u4e00\u7c7b\u578b\u7684\u53c2\u6570<\/strong><strong>\u540c\u65f6\u5b58\u5728\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5269\u4f59\u53c2\u6570<\/strong><\/p>\n\n\n\n<p><strong>\u53c2\u6570\u540d\u524d\u6dfb\u52a0<\/strong><strong>\u2026<\/strong><\/p>\n\n\n\n<p><strong>\u53c2\u6570\u7c7b\u578b\u4f7f\u7528<\/strong><strong>\u6570\u7ec4\u7c7b\u578b<\/strong><\/p>\n\n\n\n<p><strong>\u5269\u4f59\u53c2\u6570\u4e0e\u53ef\u9009\u53c2\u6570\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u4f20\u5165\u503c\uff08<\/strong><strong>\u4efb\u610f\u4e2a\u503c<\/strong><strong>\uff09\uff0c\u4e5f\u53ef\u4e0d\u4f20\u503c\uff08<\/strong><strong>\u4e00\u4e2a\u503c\u4e5f\u4e0d\u4f20<\/strong><strong>\uff09<\/strong><\/p>\n\n\n<p><b>function <\/b><b>buildName<\/b><b>(<\/b><b>firstname:string<\/b><b>,<\/b><b>&#8230;<\/b><b>restOfName:<\/b><b>string<\/b><b>[ ]<\/b><b>){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; return <\/b><b>firstname<\/b><b>+&#8221; &#8220;+<\/b><b>restOfName.join<\/b><b>(&#8220;,&#8221;);&nbsp; <\/b><\/p>\n<p><b>}<\/b><\/p>\n<p><b>let <\/b><b>result:string<\/b><b>=<\/b><b>buildName<\/b><b>(&#8220;<\/b><b>Lili<\/b><b>&#8220;,&#8221;<\/b><b>John&#8221;,&#8221;David&#8221;,&#8221;Durban<\/b><b>&#8220;);<\/b><\/p>\n<p><b>console.log(result);<\/b><\/p>\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7c7b<\/strong><\/h2>\n\n\n\n<p class=\"has-background has-light-green-cyan-background-color\">\u5c5e\u6027\u5b9a\u4e49\u683c\u5f0f:<\/p>\n\n\n<p><b>\/\/class<\/b><b>\uff1a\u58f0\u660e<\/b><b>\u7c7b<\/b><b>\u7684\u5173\u952e\u5b57\uff0c<\/b><b>Stu<\/b><b>\uff1a\u7c7b\u540d\uff0c\u9996\u5b57\u6bcd\u5927\u5199<\/b><\/p>\n<p><b>class Stu{<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; \/\/<\/b><b>\u5c5e\u6027\uff1a\u683c\u5f0f\uff1a\u5c5e\u6027\u540d\uff1a\u5c5e\u6027\u7c7b\u578b<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>id:number<\/b><b>; \/\/<\/b><b>\u5b66\u53f7<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>name:string<\/b><b>; \/\/<\/b><b>\u59d3\u540d<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; age<\/b><b>\uff1a<\/b><b>number<\/b><b>\uff1b<\/b><b>\/\/<\/b><b>\u5e74\u9f84<\/b><\/p>\n<p><b>&nbsp;}<\/b><\/p>\n\n\n<p class=\"has-background has-light-green-cyan-background-color\"><strong>\u65b9\u6cd5\u5b9a\u4e49\u683c\u5f0f:<\/strong><\/p>\n\n\n<p><b>class Stu{<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>id:number<\/b><b>;<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>name:string<\/b><b>;<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>age:number<\/b><b>;&nbsp; <\/b><\/p>\n<p><b>&nbsp;&nbsp; print(){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/b><b>\/\/this<\/b><b>\uff1a\u4ee3\u8868\u81ea\u8eab\uff0c<\/b><b>name<\/b><b>\uff1a\u5c5e\u6027\u540d<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console.log(&#8220;my name is &#8220;+this.name);<\/b><\/p>\n<p><b>&nbsp;&nbsp; }<\/b><\/p>\n<p><b>}<\/b><\/p>\n<p><b>\/\/<\/b><b>\u4e0e\u58f0\u660e\u53d8\u91cf\u7684\u8bed\u6cd5\u7c7b\u4f3c\uff08<\/b><b>let <\/b><b>\u53d8\u91cf\u540d\uff1a\u7c7b\u578b\u540d<\/b><b>=<\/b><b>\u503c\uff09<\/b><\/p>\n<p><b>\/\/let <\/b><b>\u5bf9\u8c61\u540d<\/b><b>:<\/b><b>\u7c7b\u540d<\/b><b>= <\/b><b>\u5b9e\u4f8b\u5316\u7684\u5bf9\u8c61<\/b><\/p>\n<p><b>\/\/<\/b><b>\u4f7f\u7528<\/b><b>new<\/b><b>\u5173\u952e\u5b57\uff0c\u5b9e\u4f8b\u5316\u8be5\u7c7b\u7684\u5bf9\u8c61\uff0c<\/b><\/p>\n<p><b>\/\/let&nbsp; <\/b><b>\u5bf9\u8c61\u540d\uff1a\u7c7b\u540d<\/b><b>= new <\/b><b>\u7c7b\u540d\uff08\uff09<\/b><b>;<\/b><\/p>\n<p><b>let p:Stu=new Stu();<\/b><\/p>\n<p><b>\/\/<\/b><b>\u7ed9\u5c5e\u6027\u8d4b\u503c\uff1a\u5bf9\u8c61\u540d<\/b><b>.<\/b><b>\u5c5e\u6027<\/b><b>=<\/b><b>\u503c\uff1b<\/b><\/p>\n<p><b>p.name=&#8221;<\/b><b>\u5f20\u4e09<\/b><b>&#8220;;<\/b><\/p>\n<p><b>\/\/<\/b><b>\u8c03\u7528\u65b9\u6cd5\uff1a\u5bf9\u8c61\u540d<\/b><b>.<\/b><b>\u65b9\u6cd5\u540d\uff08\uff09<\/b><b>;<\/b><\/p>\n<p><b>p.print<\/b><b>();<\/b><\/p>\n\n\n<p class=\"has-background has-light-green-cyan-background-color\"><strong>\u6784\u9020\u51fd\u6570<\/strong>:<\/p>\n\n\n<p><b>class Stu{<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>id:number<\/b><b>;<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>name:string<\/b><b>;<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>age:number<\/b><b>;&nbsp; <\/b><\/p>\n<p><b>&nbsp;&nbsp; print(){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console.log(&#8220;my name is &#8220;+this.name);<\/b><\/p>\n<p><b>&nbsp;&nbsp; }<\/b><\/p>\n<p><b>&nbsp;&nbsp; <\/b><b>\/\/<\/b><b>\u6784\u9020\u51fd\u6570\u7684\u540d\u5b57\u662f<\/b><b>constructor,<\/b><b>\u4e0d\u80fd\u6539<\/b><b>&nbsp;&nbsp; <\/b><\/p>\n<p><b>&nbsp;&nbsp; constructor(<\/b><b>id:number,name:string,age:number<\/b><b>){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; this.id=id;\/\/this<\/b><b>\u8868\u793a\u7c7b\u81ea\u8eab<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; this.name=name;<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>this.age<\/b><b>=age;<\/b><\/p>\n<p><b>&nbsp;&nbsp; }<\/b><\/p>\n<p><b>}<\/b><\/p>\n<p><b>\/\/new <\/b><b>\u7c7b\u540d\uff08\uff09<\/b><b>,<\/b><b>\u81ea\u52a8\u8c03\u7528\u6784\u9020\u51fd\u6570<\/b><\/p>\n<p><b>\/\/new <\/b><b>\u7c7b\u540d<\/b><b>(<\/b><b>\u503c<\/b><b>1<\/b><b>\uff0c\u503c<\/b><b>2<\/b><b>\uff0c\u503c<\/b><b>3)<\/b><b>\uff1b<\/b><\/p>\n<p><b>let p:Stu=new <\/b><b>Stu(1,&#8221;lisi&#8221;,30);<\/b><\/p>\n<p><b>p.print<\/b><b>();<\/b><\/p>\n\n\n<h2 class=\"wp-block-heading\">\u7c7b\u7684<strong>\u7ee7\u627f<\/strong><\/h2>\n\n\n\n<p><strong>\u53ef\u4ee5\u5728\u5b50\u7c7b\u4e2d<\/strong><strong>\u91cd\u5199<\/strong><strong>\u3001<\/strong><strong>\u6dfb\u52a0<\/strong><strong>\u65b0\u7684\u884c\u4e3a<\/strong><\/p>\n\n\n<p><b>\/\/<\/b><b>\u7ee7\u627f\u7684\u5173\u952e\u5b57\uff1a<\/b><b>extends<\/b><\/p>\n<p><b>class&nbsp; <\/b><b>ziStu<\/b> <b>extends<\/b><b> Stu{<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; <\/b><b>sayHello<\/b><b>(){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console.log(&#8220;<\/b><b>\u6211\u662f\u4e00\u4e2a\u5b50\u7c7b<\/b><b>&#8220;);<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; }<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; print(){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console.log(\u201c<\/b><b>\u91cd\u5199\u7236\u7c7b\u4e2d\u7684\u65b9\u6cd5<\/b><b>\u201d);<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; }<\/b><\/p>\n<p><b>}<\/b><\/p>\n<p><b>\/\/<\/b><b>\u8c03\u7528\u7ee7\u627f\u8fc7\u6765\u7684\u6784\u9020\u51fd\u6570<\/b><\/p>\n<p><b>let <\/b><b>zi:ziStu<\/b><b>=new <\/b><b>ziStu<\/b><b>(2,&#8221;wangwu&#8221;,20);<\/b><\/p>\n<p><b>\/\/<\/b><b>\u8c03\u7528\u91cd\u5199<\/b><b>print<\/b><b>\uff08\uff09\u65b9\u6cd5<\/b><\/p>\n<p><b>zi.print<\/b><b>();<\/b><\/p>\n<p><b>\/\/<\/b><b>\u8c03\u7528\u6dfb\u52a0\u65b0\u65b9\u6cd5<\/b><b>say<\/b><b>\uff08\uff09<\/b><\/p>\n<p><b>zi.sayHello<\/b><b>();<\/b><\/p>\n\n\n<h2 class=\"wp-block-heading\"><strong>\u65b9\u6cd5\u7684\u91cd\u8f7d<\/strong><\/h2>\n\n\n\n<p><strong>\u8c03\u7528\u65f6\u6839\u636e<\/strong><strong>\u4f20\u5165<\/strong><strong>\u7684<\/strong><strong>\u503c<\/strong><strong>\uff0c<\/strong><strong>\u81ea\u52a8\u9009\u62e9\u5bf9\u5e94\u7684<\/strong><strong>\u65b9\u6cd5\u6267\u884c<\/strong><\/p>\n\n\n<p><b>class&nbsp; AA{<\/b><\/p>\n<p><b>&nbsp;&nbsp; <\/b><b>\/\/1.<\/b><b>\u65b9\u6cd5\u91cd\u8f7d\u5b9a\u4e49\uff0c\u6ca1\u6709\u65b9\u6cd5\u4f53<\/b><\/p>\n<p><b>&nbsp; <\/b><b>add(<\/b><b>a:number,b:number<\/b><b>);<\/b><\/p>\n<p><b>&nbsp; add(<\/b><b>a:string,b:string<\/b><b>);<\/b><\/p>\n<p><b>&nbsp; \/\/2.<\/b><b>\u58f0\u660e\u4e00\u4e2a<\/b><b>any<\/b><b>\u7c7b\u578b\u91cd\u8f7d\u5b9a\u4e49\uff0c\u5e76\u5b9e\u73b0\u65b9\u6cd5\u4f53<\/b><\/p>\n<p><b>&nbsp; add(<\/b><b>a:any,b:any<\/b><b>){<\/b><\/p>\n<p><b>&nbsp;&nbsp;&nbsp; console.log(<\/b><b>a+b<\/b><b>); <\/b><\/p>\n<p><b>&nbsp; }<\/b><\/p>\n<p><b>}<\/b><\/p>\n<p><b>let a:AA = new AA();<\/b><\/p>\n<p><b>a.add<\/b><b>(1,2);<\/b><\/p>\n<p><b>a.add<\/b><b>(&#8220;<\/b><b>zhang<\/b><b>&#8220;,&#8221;san&#8221;);<\/b><\/p>\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TypeScript\u662f\u5fae\u8f6f\u5f00\u53d1\u7684\u5f00\u6e90\u7f16\u7a0b\u8bed\u8a00 TypeScript\u662fJavaScript\u7684\u8d85\u96c6\uff0c\u5176\u672c\u8d28\u662f\u5411Ja [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[33,22],"class_list":["post-524","post","type-post","status-publish","format-standard","hentry","tag-typescript","tag-projk"],"_links":{"self":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/posts\/524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=524"}],"version-history":[{"count":0,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=\/wp\/v2\/posts\/524\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tongyunli.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}