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@@ -0,0 +1,104 @@
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+// 引用数据类型 Object(object/array/function)
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+let a: object;
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+// a =1;
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+a = [];
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+a = {};
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+a = function () {};
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+
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+/**
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+ * 对象：
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+ * {
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+ * 属性名:属性值
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+ * ...
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+ * 在属性后 添加问号 相当于给当前属性设置可选开关
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+ * }
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+ */
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+let b: {
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+ a: number;
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+ c: string;
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+ d?: boolean;
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+ // 可以添加任意属性 任意类型
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+ [propName: string]: any;
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+};
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+
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+// b = {
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+// a:12,
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+// c:'11'
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+// }
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+b = {
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+ a: 12,
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+ c: "11",
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+ d: false,
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+};
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+
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+b = {
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+ a: 12,
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+ c: "11",
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+ // d: false
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+};
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+b = {
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+ a: 12,
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+ c: "11",
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+ e: false,
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+ f: "12",
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+};
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+
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+/**
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+ * 函数
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+ *
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+ */
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+
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+let g: (a: number, b: number) => number;
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+g = function fn1(a, b) {
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+ return a + b;
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+};
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+g(8, 9);
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+
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+/**数组
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+ * let xxx:type[];
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+ * let yyy:Array<type>
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+ */
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+let x: string[];
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+x = ["1", "2"];
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+// let y:Array<boolean>=[1,2];
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+// let y:Array<boolean>=[true,false];
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+
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+// 元祖：固定长度的数组
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+let z: [number, boolean, number];
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+
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+z = [1, true, 1];
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+
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+// 枚举
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+enum Sex {
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+ man,
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+ woman,
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+}
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+
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+let o: {
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+ name: string;
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+ age: number;
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+ sex: Sex;
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+};
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+
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+o = {
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+ name: "LiLi",
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+ age: 18,
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+ sex: Sex.woman,
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+};
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+
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+console.log(o.sex === Sex.man ? "男" : "女");
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+
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+// 类型别名
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+type myType = 1|2|3|4;
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+let p:myType = 2;
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+
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+
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+// 逻辑运算符 &
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+let r:{name:string}&{age:number};
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+r = {
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+ name:'孙悟空',
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+ age: 18
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+}
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+
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+
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+export {};
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