一、变量是字符串里列表, 如 ""100","101","102","103","108""
//把字符串的变量处理成列表
var myList=JSON.parse(pm.environment.get('giftTabId')) #giftTabId变量名
//设置随机取值
var randomItem = myListMath.floor(Math.random() \* myList.length)
//把取得随机值赋值到新得变量名中
pm.environment.set("giftTabId_one",randomItem)
二、变量是列表,如"100","101","102","103","108"
var array=pm.environment.get('evaluationId')
//设置随机取值
var randomItem = arrayMath.floor(Math.random() \* array.length)
//把取得随机值赋值到新得变量名中
pm.environment.set("pingjia_id",randomItem)