export default {} // 匿名函数 const makeMoney = function(salary:number, reward: number): number { return salary + reward; } // 命名函数 function writeCode(hour: number, sleep: number) { return hour; } // 箭头函数 const seeMeiMei = (time: number):void => { console.log(`我每天要看${time}个小时的MeiMei`); } seeMeiMei(8) // 接口函数 type myFunc = (x: number, y: number) => number const myfunc:myFunc = (a: number, b: number) => a+b;