后端接口

public function store(Request $request){
    return Formater::ajaxReturn(0, 'success',['csrf_token'=>csrf_token()]);
}

预处理脚本

var host = pm.environment.get("URL");

pm.sendRequest(host+"/activity/zhenxing/store/41/z359Md3q", function (err, response) {
    if (response.code === 200) {
        console.log(response.json());
        var res = response.json();
        var csrf_token = res.data.csrf_token;

        pm.environment.set("csrf_token", csrf_token);
    }
});