{"id":331,"date":"2022-01-05T15:05:53","date_gmt":"2022-01-05T07:05:53","guid":{"rendered":"http:\/\/gjweb.top\/?p=331"},"modified":"2022-01-05T15:05:54","modified_gmt":"2022-01-05T07:05:54","slug":"1-%e8%bf%90%e8%a1%8c%e5%8f%8a%e5%9f%ba%e7%a1%80%e8%af%ad%e6%b3%95","status":"publish","type":"post","link":"https:\/\/gjweb.top\/?p=331","title":{"rendered":"1. \u8fd0\u884c\u53ca\u57fa\u7840\u8bed\u6cd5"},"content":{"rendered":"\n
  1. \u73af\u5883\u5b89\u88c5\u53ca\u8fd0\u884c<\/li>
  2. \u57fa\u672c\u7c7b\u578b\u7684\u8fd0\u7528<\/li>
  3. \u5bf9\u8c61\u7c7b\u578b\u7684\u4f7f\u7528<\/li>
  4. \u7c7b\u578b\u6ce8\u89e3\u548c\u7c7b\u578b\u63a8\u65ad<\/li>
  5. \u6570\u7ec4\u548c\u5143\u7ec4<\/li>
  6. \u63a5\u53e3Interface
    1. Interface\u7684\u57fa\u672c\u4f7f\u7528<\/li>
    2. Interface\u7684\u6269\u5c55<\/li>
    3. Interface\u7684\u7ee7\u627f<\/li>
    4. Interface\u51fd\u6570\u58f0\u660e\u65b9\u5f0f<\/li>
    5. Interface\u51fd\u6570\u91cd\u8f7d&\u5168\u5c40\u51fd\u6570<\/li><\/ol><\/li><\/ol>\n\n\n\n
      \n\n\n\n

      \u8fd0\u884c<\/h2>\n\n\n\n

      \u5b89\u88c5<\/p>\n\n\n\n

      npm install -g typescript
      npm install -g ts-node
      npm install @types\/node<\/code><\/pre>\n\n\n\n
      \u8fd0\u884c<\/p>\n\n\n\n
      ts-node [\u6587\u4ef6\u540d].ts<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      \u57fa\u672c\u7c7b\u578b\u7684\u8fd0\u7528<\/h2>\n\n\n\n
      let num : number = 123
      let str : string = \"hello\"
      let bool : boolean = false
      let empty : null = null
      let empty2 : undefind = undefind
      let fun = ():viod=>{}<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      \u5bf9\u8c61\u7c7b\u578b\u7684\u4f7f\u7528<\/h2>\n\n\n\n
      \/\/\u5bf9\u8c61\u7c7b\u578b
      const teacher :{
          name:string,
          age:number
      } = {
          name = \"Dell\",
          age = 18
      }
      \/\/ \u6570\u7ec4\u7c7b\u578b
      const numbers:number[] = [1,2,3,4]
      const arrs:(number|string)[] = [1,2,3,\"hello\"]
      \/\/ \u7c7b\u5bf9\u8c61\u7684\u4f7f\u7528
      class Person{}
      const dell:Person = new Person();
      \/\/ \u4f7f\u7528\u51fd\u6570
      const getTotal:()=>number = ()=>{
          return \"123456\"
      }<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      \u7c7b\u578b\u6ce8\u89e3\u548c\u7c7b\u578b\u63a8\u65ad<\/h2>\n\n\n\n
      • \u7c7b\u578b\u6ce8\u89e3\uff1a\u6211\u4eec\u6765\u544a\u8bc9ts\u53d8\u91cf\u662f\u4ec0\u4e48\u7c7b\u578b<\/li>
      • \u7c7b\u578b\u63a8\u65ad : ts \u81ea\u52a8\u5206\u6790\u53d8\u91cf\u7c7b\u578b (\u53ea\u80fd\u505a\u7b80\u5355\u63a8\u65ad)<\/li><\/ul>\n\n\n\n
        \/\/ \u7c7b\u578b\u6ce8\u89e3
        let num : number = 123;
        let num = 123 
        \/*\u4e0a\u9762\u7684\u4e24\u4e2a\u5199\u5199\u6cd5,\u5728ts\u4f1a\u81ea\u52a8\u63a8\u65ad\u51fa num \u4e3a number \u7c7b\u578b*\/
        function xxx(name,age){}
        xxx(\"\u9f9a\u7bad\",24)
        \/*\u4e0a\u9762xxx\u7684\u5f62\u53c2,ts\u4e0d\u80fd\u81ea\u52a8\u7c7b\u578b,\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5bf9\u51fd\u6570\u548c\u5f62\u53c2\u8fdb\u884c\u7c7b\u578b\u6ce8\u89e3*\/
        function xxx:(name:string,age:number)=>void = (name,age)=>{}
        const xxx = (name:string,ageLnumber):void =>{}<\/code><\/pre>\n\n\n\n
        \n\n\n\n
        \u6570\u7ec4\u548c\u5143\u7ec4\u7684\u4f7f\u7528<\/h2>\n\n\n\n
        • \u5143\u7ec4 \u53ea\u80fd\u6309\u7167\u7c7b\u578b\u6ce8\u89e3\u4e00\u4e00\u5bf9\u5e94;\u7c7b\u578b\u4e0d\u5339\u914d\u6216\u8d85\u8fc7\u957f\u5ea6\u90fd\u4e0d\u88ab\u5141\u8bb8<\/li><\/ul>\n\n\n\n
          \/\/ \u6570\u7ec4\u7684\u5e38\u7528\u65b9\u5f0f
          const arr: (number | string)[] = [1, '2', 3];
          const stringArr: string[] = ['a', 'b', 'c'];
          const undefinedArr: undefined[] = [undefined];
          \/\/ \u4f7f\u7528\u7c7b\u578b\u522b\u540d\u5b9a\u4e49\u6570\u7ec4\u5bf9\u8c61
          type User = {name:string,age:number}
          const arr:User[] = [{name:'\u9f9a\u7bad',age:24}]
          \/\/ \u4f7f\u7528\u7c7b\u7684\u5f62\u5f0f\u5b9a\u4e49\u6570\u7ec4\u5bf9\u8c61
          class Teacher {
              name:string,
              age: number
          }
          const objectArr:Teacher[]=[
              new Teacher(),
              {name:'\u9f9a\u7bad',age:24}
          ]
          \/\/\u5143\u7ec4\u7684\u4f7f\u7528\u65b9\u5f0f
          \/\/ \u5143\u7ec4 tuple
          const teacherInfo: [string, string, number] = ['\u9f9a\u7bad', 'web', 18];
          \/\/ csv
          const teacherList: [string, string, number][] = [['\u9f9a\u7bad', 'web', 19], ['\u9f9a\u7bad', 'web', 26], ['\u9f9a\u7bad', 'web', 38]];
          \u200b<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          \u63a5\u53e3Interface<\/h2>\n\n\n\n
          \u5728TS\u89c4\u8303\u63a8\u8350\u4f18\u5148\u4f7f\u7528interface<\/strong><\/p>\n\n\n\n
          \u57fa\u672c\u7528\u6cd5<\/h3>\n\n\n\n
          interface User{
              name:string,
              age:number
          }
          const xioajiejie = (params:User):void=>{}<\/code><\/pre>\n\n\n\n
          \u5c5e\u6027\u7684\u8bbe\u7f6e<\/h3>\n\n\n\n
          interface User{
              readonly name:string, \/\/\u8868\u793a\u53ea\u8bfb
              age?:number, \/\/ \u8868\u793a\u975e\u5fc5\u586b\u9879
              [propsName:string]:any, \/\/ \u8868\u793a\u63a5\u6536key\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u4efb\u610f\u952e\u503c\u5bf9
          }<\/code><\/pre>\n\n\n\n
          interface\u7ee7\u627f<\/h3>\n\n\n\n
          interface User{\n    name:string,\n    age:number\n}\ninterface Tercher extends User{\n    pro:string\n}\n<\/code><\/pre>\n\n\n\n
          \u51fd\u6570\u7684\u58f0\u660e<\/h3>\n\n\n\n
          interface Fun{\n    (word:string):string\n}\nconst xxfun:Fun = (word:string)=>{console.log(\"hello Typescript\")}\n<\/code><\/pre>\n\n\n\n
          Interface\u51fd\u6570\u91cd\u8f7d&\u5168\u5c40\u51fd\u6570<\/h3>\n\n\n\n
          \/\/ \u5b9a\u4e49\u5168\u5c40\u51fd\u6570\ninterface JqueryInstance{\n    html:(html:string) => JqueryInstance\n}\n\/\/ \u51fd\u6570\u91cd\u8f7d\nionterface JQuery {\n    (readyFunc:()=>void):void;\n    (selector:string):JqueryInstance;\n}\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
          \u73af\u5883\u5b89\u88c5\u53ca\u8fd0\u884c \u57fa\u672c\u7c7b\u578b\u7684\u8fd0\u7528 \u5bf9\u8c61\u7c7b\u578b\u7684\u4f7f\u7528 \u7c7b\u578b\u6ce8\u89e3\u548c\u7c7b\u578b\u63a8\u65ad \u6570\u7ec4\u548c\u5143\u7ec4 \u63a5\u53e3Interface Int […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-331","post","type-post","status-publish","format-standard","hentry","category-typescript"],"_links":{"self":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=331"}],"version-history":[{"count":0,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/331\/revisions"}],"wp:attachment":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}