test.html

   
    <script type="text/javascript">
    (function(){
        //请注意设置成移动端无效，我怕这些程序在移动端不兼容
        function getAbsoluteLocation(el) {
            var el2 = el;
            var curtop = 0;
            var curleft = 0;
            if (document.getElementById || document.all) {
                do {
                    curleft += el.offsetLeft - el.scrollLeft;
                    curtop += el.offsetTop - el.scrollTop;
                    el = el.offsetParent;
                    el2 = el2.parentNode;
                    while (el2 != el) {
                        curleft -= el2.scrollLeft;
                        curtop -= el2.scrollTop;
                        el2 = el2.parentNode;
                    }
                } while (el.offsetParent);

            } else if (document.layers) {
                curtop += el.y;
                curleft += el.x;
            }

            return { top: curtop, left: curleft };
        }



        function biaoyu(op, sentence) {
            if (op == "init") {
                mengban.style.background = "#9D9D9D";
                mengban.style.width = "100%";
                mengban.style.height = "100%";
                mengban.style.top = 0;
                mengban.style.left = 0;
                mengban.innerHTML = sentence;
                mengban.style.opacity = 0.7;
                mengban.style.zIndex = 1;
                mengban.style.position = "fixed";
                mengban.style.fontSize = "6em";
                mengban.style.paddingTop = "10%";
                mengban.style.textAlign = "center";
                mengban.style.display = 'block';
                mengban.style.color = '#8B0000';
                document.body.appendChild(mengban);
            }
            if (op == "close") {
                console.log("准备正常关闭了");
                if(window.xyltimer != undefined){
                  self.clearInterval(xyltimer);
                }
                document.documentElement.scrollTop = 0;
                mengban.style.display = 'none';
            }
            if (op == "error") {
                mengban.style.fontSize = "3em";
                mengban.innerHTML = sentence;
            }
            
        }

        function beginDrag() {
            mengban = document.createElement("div");
            console.log("预检，若不需要加载控件就算了");
            biaoyu("init", "请稍候");
            var flag = "flag初始值";
            var wordtoolbar = document.getElementById("missiveButtonDiv");
                
            console.log("wordtoolbar:"+wordtoolbar);
            if (wordtoolbar == undefined) {
                console.log("控件不需要打开");
                flag = "不需要继续运行了";
                biaoyu("close", ""); //我们认为这是正常的不展开iWebOffice控件的情形
            }

            if (flag == "不需要继续运行了") {
                console.log("不是IE或者本次不需要展开iWebOffice控件，程序到此为止了");
                return;
            }
            // 如果程序还继续运行到了这里，说明本页面需要展开
            var wordtoolbar = document.getElementById("missiveButtonDiv");
            console.log("启动clock定时器");
            xyltimer = self.setInterval(function () { clock(); }, 500);
            var currHeight = 0;
            var iDrag = 0; var iStay = 0;
            function clock() {
                console.log("第" + iDrag + "尝试打开控件");
                iDrag++;
                console.log("网页正文全文高： " + document.body.scrollHeight);
                console.log("网页可见区域高： " + document.body.offsetHeight);
                console.log("屏幕分辨率的高： " + window.screen.height);
                console.log("垂直方向滚动的值：" + document.documentElement.scrollTop);

                var actualY = getAbsoluteLocation(wordtoolbar).top;
                console.log("actural Y:" + actualY + " move to :" + (actualY - window.screen.height * 0.7));
                document.documentElement.scrollTop = (actualY - window.screen.height * 0.7) + iDrag * window.screen.height*0.4;
                try {
                    var xu_wordobj = document.getElementById("JGWebOffice_zrtgContract");
                    console.log(" word工具栏：" + wordtoolbar);
                    if (xu_wordobj == undefined) { //控件没打开
                        console.log("控件完全没打开");
                        biaoyu("error", "页面加载不完整，请重新刷新页面试试，或者打电话2345"); //未知原因的不展开iWebOffice控件的情形
                    } else { //控件已经打开了
                        if (iStay >= 6) {
                            biaoyu("close", "");
                        }
                        iStay++;

                        /*
                        var xuarr = Object.getOwnPropertyNames(xu_wordobj);
                        console.log("word控件的属性数量：" + xuarr.length);
                        if (xuarr.length == 42 || xuarr.length == 41  || xuarr.length == 46) { //42是新建，41是后续审批
                        if (xuarr.length > 9) { // 算了，就胡乱写点吧
                            if (iStay >= 2) {
                                biaoyu("close", "");
                            }
                            iStay++;
                        } else {
                            biaoyu("error", "控件已存在但是没有正确加载，请打电话2345"); //控件打开但是数量不对。
                        }
                        */
                    }
                } catch (err) { //完全找不到控件在dom中的id
                    biaoyu("error", "在页面中找不到控件，请重新刷新页面试试，或者打电话2345");
                    console.error(err);
                }

            }
        }

        document.ready = function (callback) {
            /// 兼容Firefox, Google
            if (document.addEventListener) {
                document.addEventListener('DOMContentLoaded', function () {
                    document.removeEventListener('DOMContentLoaded', arguments.callee, false);
                    callback();
                }, false)
            }
            // 兼容IE
            else if (document.attachEvent) {
                document.attachEvent('onreadystatechange', function () {
                    if (document.readyState == "complete") {
                        document.detachEvent("onreadystatechange", arguments.callee);
                        callback();
                    }
                })
            }
            else if (document.lastChild == document.body) {
                callback();
            }
        }

        document.ready(function () {
            console.log('正在进入Document ready 队列');
            beginDrag();
        });

    }());
    </script>