{"id":332,"date":"2022-01-05T15:06:50","date_gmt":"2022-01-05T07:06:50","guid":{"rendered":"http:\/\/gjweb.top\/?p=332"},"modified":"2022-01-05T15:06:51","modified_gmt":"2022-01-05T07:06:51","slug":"2-ts%e4%b8%ad%e7%b1%bb%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/gjweb.top\/?p=332","title":{"rendered":"2. TS\u4e2d\u7c7b\u7684\u4f7f\u7528"},"content":{"rendered":"\n
  1. \u7c7b\u7684\u57fa\u672c\u4f7f\u7528\u53casuper\u7684\u4f5c\u7528<\/li>
  2. \u8bbf\u95ee\u7c7b\u578b<\/li>
  3. \u6784\u9020\u51fd\u6570 constructor<\/li>
  4. get\u548cset\u5c5e\u6027<\/li>
  5. \u62bd\u8c61\u7c7b\u548c\u65b9\u6cd5<\/li><\/ol>\n\n\n\n
    \n\n\n\n

    \u7c7b\u7684\u4f7f\u7528\u53casuper\u7684\u4f5c\u7528<\/h2>\n\n\n\n
    class User{
        name = \"\u9f9a\u7bad\";
        getName(){
            return this.name
        }
    }
    const xiaojiejie = new User();
    console.log(xiaojiejie.getName()); \/\/ \u9f9a\u7bads<\/code><\/pre>\n\n\n\n
    super\u7684\u4f7f\u7528<\/h3>\n\n\n\n
    super\u7684\u4f5c\u7528\u5728\u4e8e\u8c03\u7528\u7236\u7c7b\u7684constrctor\u51fd\u6570\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528super.xxx \u76f4\u63a5\u8bbf\u95ee\u7c7b\u4e0a\u9762\u7684\u5c5e\u6027<\/p>\n\n\n\n
    class User{
        name=\"\u9f9a\u7bad\";
        getName(){
            return this.name
        }
    }
    class Teacher extends Person{
        getTeacherNama(){
            return 'Teacher'
        }
        getName(){
            return super.getName()+'web'
        }
    }
    const teacher = new Teacher();
    console.log(teacher.getName()) \/\/ \u9f9a\u7badweb
    \u200b<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u8bbf\u95ee\u7c7b\u578b<\/h2>\n\n\n\n
    • private \u53ea\u5141\u8bb8\u5728\u7c7b\u4e2d\u4f7f\u7528<\/li>
    • protected \u53ea\u5141\u8bb8\u5728\u7c7b\u5185\u6216\u8005\u7ee7\u627f\u7684\u5b50\u7c7b\u4e2d\u4f7f\u7528<\/li>
    • public \u5728\u5185\u5916\u90fd\u53ef\u4ee5\u4f7f\u7528<\/li>
    • static \u76f4\u63a5\u6302\u8f7d\u7c7b\u4e0a\u9762,\u800c\u975e\u5b9e\u4f8b\u4e0a<\/li><\/ul>\n\n\n\n
      class User{
          private  name = \"\u9f9a\u7bad\";
          private sayHi(){
              console.log(`${this.name} hello`)
          }
      }
      class Teacher() extends User{
          sayBye(){
              this.sayHi()
          }
      }
      let xxx = new Teacher()
      xxx.sayBye()<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      \u6784\u9020\u51fd\u6570 constructor<\/h2>\n\n\n\n
      class Person{
          public name:string;
          constructor(name:string){
              this.name = name
          }
      }
      \/\/ \u7b80\u5199
      class Person{
          constructor(public name:string){}
      }
      \/\/ \u4f7f\u7528
      let xxx = new Person(\"\u9f9a\u7bad\")<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      get\u548cset\u5c5e\u6027<\/h2>\n\n\n\n
      \u6ce8\u610f getter \u548c setter \u5b9a\u4e49\u7684\u5c5e\u6027\u662f\u4e0d\u7528\u51fd\u6570\u7684\u65b9\u5f0f\u8c03\u7528\u7684,\u53ea\u9700\u8981\u70b9\u64cd\u4f5c\u7b26\u5c31\u53ef<\/p>\n\n\n\n
      class User{
          constructor(private name:string){}
          get getName(){
              return this.name +\"web\"
          }
          set setName(newName){
              this.name = newName
          }
      }
      const person = new Person('\u9f9a\u7bad')
      console.log(person.getName)
      person.setName = \"\u5b66\u4e60\"
      console.log(person.getName)<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      \u62bd\u8c61\u7c7b\u548c\u65b9\u6cd5<\/h2>\n\n\n\n
      \u62bd\u8c61\u7c7b\u548c\u65b9\u5f0f,\u662f\u4e00\u79cd\u7f16\u7a0b\u601d\u60f3,\u5e76\u4e0d\u662f\u7279\u5b9a\u7684\u8bed\u6cd5<\/p>\n\n\n\n
      \u672c\u8d28\u7684\u4f5c\u7528\u5c31\u662f\u5c06\u591a\u4e2a\u7c7b\u578b\u4e2d\u540c\u6837\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u62bd\u79bb\u51fa\u6765,\u521b\u5efa\u65b0\u7c7b.\u5e76\u901a\u8fc7\u7ee7\u627f\u7684\u65b9\u5f0f\u4e0b\u653e\u5230\u5404\u4e2a\u5b50\u7c7b\u4e2d<\/p>\n\n\n\n
      interface Person {
        name: string;
      }
      \u200b
      interface Teacher extends Person {
        teachingAge: number;
      }
      \u200b
      interface Student extends Person {
        age: number;
      }
      \u200b
      interface Driver {
        name: string;
        age: number;
      }
      \u200b
      const teacher = {
        name: 'dell',
        teachingAge: 3
      };
      \u200b
      const student = {
        name: 'lee',
        age: 18
      };
      \u200b
      const getUserInfo = (user: Person) => {
        console.log(user.name);
      };
      \u200b
      getUserInfo(teacher);
      getUserInfo(student);
      \u200b<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
      \u7c7b\u7684\u57fa\u672c\u4f7f\u7528\u53casuper\u7684\u4f5c\u7528 \u8bbf\u95ee\u7c7b\u578b \u6784\u9020\u51fd\u6570 constructor get\u548cset\u5c5e\u6027 \u62bd\u8c61\u7c7b\u548c\u65b9\u6cd5  […]<\/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-332","post","type-post","status-publish","format-standard","hentry","category-typescript"],"_links":{"self":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/332","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=332"}],"version-history":[{"count":0,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/332\/revisions"}],"wp:attachment":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}