获取随机数的脚本:(在Pre-request Script 标签下编写)
const randomInt = (min,max) => Math.floor(Math.random() * (max-min+1))+min; //随机整数
const getRandomValue = list => list[randomInt(0, list.length - 1)]; //随机选择项
postman.setGlobalVariable("num",randomInt(5, 20)); //num随机整数值
const divisions = ['1','2'];
postman.setGlobalVariable("Type",getRandomValue(divisions)); //随机输入类型