//获取响应数据的json对象var jsonData = pm.response.json();//从json对象中提取token值var token = jsonData.data.token;//把token值设置为测试集变量pm.collectionVariables.set("token", token);

// 构造登录请求const loginRequest = {     url: 'http://litemall.hogwarts.ceshiren.com/wx/auth/login',     method: "POST",     header: 'Content-Type: application/json',    body: {         mode: 'raw',        raw: JSON.stringify({'username': 'user123', "password": "user123"})    } }; 
// 发送请求 pm.sendRequest(loginRequest, function (err, response) {    if (err) {        console.log(err);    } else {        console.log(response.json());        pm.collectionVariables.set("token", response.json().data.token);    }});