function IframeClose() {

        var obj = {method: "iframeClose"};

        window.parent.postMessage(obj, "*");

    }

    //删除

    function deleteExercise(exeid) {

        //删除习题：delExercise(习题id)

        var obj = {method: "deleteExercise", exeid: exeid};

        window.frames[0].postMessage(obj, domain);

    }

    window.addEventListener('message', function (e) {

        if (e.data.method == "iframeClose") {

            Modal.Close("#ExerciseScoreIframe");

            if (typeof iframecallback == "function") {

                iframecallback();

            } else {

                window.location.reload();

            }

        }

    }, false);

    window.addEventListener('message', function (e) {

         if (e.data.removeLayout != undefined && e.data.removeLayout == "success") {

               console.log("删除排版成功");

               window.location.reload();

            }

   }, false);