前置脚本

//设置时间戳到环境变量
var biddingTimestamp = Date.now();
pm.variables.set("timestamp", biddingTimestamp);
console.log(biddingTimestamp);
//读取环境变量设置的参数
var biddingKey = pm.variables.get("BiddingKey");
var biddingSecret =  pm.variables.get("BiddingSecret");
//组合参数
//appkey=IL58LrJu06ZbHWrK0zxobbJC&biddingTimestamp=1700128273589&taskId=&type=
var urlParams = "appkey="+biddingKey+"&biddingTimestamp="+biddingTimestamp+"&taskId=&type=";
//获取校验字符串
var signature = CryptoJS.HmacSHA256(urlParams, biddingSecret).toString().toLowerCase();
console.log("signature:" + signature);
//设置到环境变量
pm.variables.set("signature", signature);

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