TypeScript-export、import
Published in
1 min readJul 24, 2019
export
導出常數
//test.ts
export const PI=Math.PI
導出函式
//test.ts
export function circleLength(radius:number,PI:number):number{
return radius*radius*PI;
}
import
將剛剛在test.ts export的常數、函式import到test2.ts
//test2.ts
import {PI,circleLength}from './test.ts';
console.log(circleLength(2,PI);//12.566......