Typescript中方法重載的實現
function getInfo(name:string):string;
function getInfo(age:number):string;
function getInfo(str:any):any{
if (typeof str=='string') {
return '我叫---'+str
}
if (typeof str=='number') {
return '我的年齡---'+str
}
}
console.log(getInfo('張三'))
console.log(getInfo(18))
運行結果:

