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@@ -19,4 +19,64 @@ b = {a:5};
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let c:{a:number,b?:string,[propName:string]:any};
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c = {a:10,b:'12',c:14,d:true};
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// let b = {a:1,b:1}
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+/**
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+ * 函数语法：
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+ * (形参：类型，形参：类型....) => 类型
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+ */
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+let d:(a:number,b:number) => number;
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+d = function fn1(a:number,b:number):number {
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+ return a+b;
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+};
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+
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+let e:(c:string,d:string) => string;
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+e = function fn2(a:string,b:string):string {
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+ return a+b;
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+}
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+/**
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+ * 数组语法
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+ * 类型[];
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+ */
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+let f = [];
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+// 字符串类型数组
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+let g:string[];
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+g = ['1','1','1']
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+let h:number[];
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+h =[2,5,7,9]
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+let i:Array<boolean>
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+// i = [1];
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+i = [false];
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+/**
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+ * 元祖：固定长度的数组
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+ */
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+let j:[number,boolean,string];
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+j = [1,false,'22'];
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+/**
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+ * 枚举
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+ * enum 对象名称 {
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+ * 定义的枚举值
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+ * }
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+ */
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+enum Sex {
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+ man,
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+ woman
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+}
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+let k: {
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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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+k = {name:"孙悟空",age:20,sex: Sex.man};
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+
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+console.log(k.sex === Sex.man ? "男性" : "女性");
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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 l:myType;
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+let m:myType;
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+let n:myType;
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+
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+// 逻辑运算符 &
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+let o: {name:string} & {age:number};
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+o = {name:'孙悟空',age:20};
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+
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export{}
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e