ts

ts/2.类型/2.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var a;
+a = {};
+a = [];
+a = function () { };
+/**
+ * 对象：
+ * {
+ *     属性名:类型,
+ *     属性名:类型...
+ * }
+ * ? 可选的
+ */
+var b;
+b = {
+    a: 1,
+    c: 'h',
+    d: "你好",
+    e: "就是",
+    f: 1333
+};
+/**
+ * 函数：
+ *
+ */
+var c;
+c = function fn1(a, b) {
+    return a + b;
+};
+console.log(c(1, '12'));

ts/2.类型/2.ts

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+let a: object;
+a = {};
+a = [];
+a = function () { };
+
+/**
+ * 对象：
+ * {
+ *     属性名:类型,
+ *     属性名:类型...
+ * }
+ * ? 可选的
+ */
+
+let b: {
+    a: number,
+    c: string,
+    d?: string,
+    // 可以添加任意属性任意类型的属性
+    [propName: string]: any
+}
+
+b = {
+    a: 1,
+    c: 'h',
+    d: "你好",
+    e: "就是",
+    f: 1333
+}
+
+/**
+ * 函数：
+ * let c:(a:number,b:string)=> string;
+ */
+let c: (a: number, b: string) => string;
+
+c = function fn1(a: number, b: string) {
+    return a + b;
+}
+
+// console.log(c('12','12'))
+
+
+/**
+ * 数组
+ * let x:类型[]
+ * let x:Array<类型>
+ */
+let d: number[];
+d = [1, 2, 3, 4];
+let e: Array<boolean>
+e = [true, false]
+
+// 元祖：固定长度的数组
+let f:[number,boolean,string];
+f=[1,true,"12"];
+
+
+// 枚举
+enum Sex {
+    man,woman
+}
+let g: {
+    name:string,
+    age:number,
+    sex:Sex
+}
+g = {
+    name:'图图',
+    age: 3,
+    sex:Sex.man
+}
+console.log(g.sex === Sex.woman ? '女' : '男');
+
+// 类型别名
+// 或=> |
+type k = 1|2|3|4; 
+let s1:k = 4;
+// let s2:k = 41;
+
+// 逻辑运算符：&
+let s3:{name:string}&{age:number};
+s3 = {
+    name:"海绵宝宝",
+    age:12
+}
+
+export { };