公司上班时间计算

 火狐：

   <script type="text/javascript">
        document.getElementsByClassName = function (className) {
            var allArray = new Array();
            var elements = new Array();
            if (typeof document.all != "undefined") {
                allArray = document.all
            } else {
                allArray = document.getElementsByTagName("*")
            }
            for (var i = 0; i < allArray.length; i++) {
                var isClassName = hasClassName(allArray[i], className);
                if (isClassName) {
                    elements.push(allArray[i])
                }
            }
            return elements
        };
        function hasClassName(element, className) {
            var elementClassName = element.className;
            if (elementClassName.length == 0) return false;
            if (elementClassName == className || elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) return true;
            return false
        }
        function GetTime(num) {
            var hours = Math.floor(num / 3600000);
            var a = num % 3600000;
            var minute = Math.floor(a / 60000);
            var b = minute % 60000;
            var second = Math.floor(b / 1000);
            return hours + ":" + minute + ":" + second;
        }
        var list = window.frames["Main"].document.getElementsByClassName("listAC");
        var arr = [];
        var pros = [];
        for (var i = 0; i < list.length; i++) {
            var tbody = list[i].children[0];
            var td = tbody.children[1].children[0];
            var td2 = tbody.children[2].children[0].children[0];
            var html = td.innerHTML;
            var prompt = td2.innerHTML;
            if (html != "无刷卡记录") {
                if (prompt == "无") {
                    arr.push(html);
                } else {
                    var da = tbody.children[0].children[0].children[0].children[0].innerHTML;
                    var obj = {};
                    obj.Date = da;
                    obj.Des = prompt;
                    pros.push(obj);
                }
            }
        }
        var total = 0;
        for (var i = 0; i < arr.length; i++) {
            var time = arr[i];
            var exTime1 = time.split('~')[0];
            if (exTime1 < "08:00") {
                exTime1 = "08:00";
            }
            var exTime2 = time.split('~')[1];
            var begin = exTime1.split(':')[0] * 60 * 60 * 1000 + exTime1.split(':')[1] * 60 * 1000;
            var end = exTime2.split(':')[0] * 60 * 60 * 1000 + exTime2.split(':')[1] * 60 * 1000;
            var ti = end - begin;
            total += ti;
        }
        var avg = Math.round(total / parseInt(arr.length));
        console.log("上班总时间:" + GetTime(total));
        console.log("上班平均时间:" + GetTime(avg));
        console.log("上班天数:" + arr.length);
        var res = total - arr.length * 9 * 60 * 60 * 1000;
        if (res > 0) {
            console.log("多上班时间:" + GetTime(res));
        } else {
            console.log("少上班时间:" + GetTime(-res));
        }
        if (pros.length > 0) {
            for (var i = 0; i < pros.length; i++) {
                console.log(pros[i].Date + "号" + pros[i].Des);
            }
        }
    </script>

 chrome：console

  document.getElementsByClassName = function (className) {
            var allArray = new Array();
            var elements = new Array();
            if (typeof document.all != "undefined") {
                allArray = document.all
            } else {
                allArray = document.getElementsByTagName("*")
            }
            for (var i = 0; i < allArray.length; i++) {
                var isClassName = hasClassName(allArray[i], className);
                if (isClassName) {
                    elements.push(allArray[i])
                }
            }
            return elements
        };
        function hasClassName(element, className) {
            var elementClassName = element.className;
            if (elementClassName.length == 0) return false;
            if (elementClassName == className || elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) return true;
            return false
        }
        function GetTime(num) {
            var hours = Math.floor(num / 3600000);
            var a = num % 3600000;
            var minute = Math.floor(a / 60000);
            var b = minute % 60000;
            var second = Math.floor(b / 1000);
            return hours + ":" + minute + ":" + second;
        }
        var list = window.frames["Main"].document.getElementsByClassName("listAC");
        var arr = [];
        var pros = [];
        for (var i = 0; i < list.length; i++) {
            var tbody = list[i].children[0];
            var td = tbody.children[1].children[0];
            var td2 = tbody.children[2].children[0].children[0];
            var html = td.innerHTML;
            var prompt = td2.innerHTML;
            if (html != "无刷卡记录") {
                if (prompt == "无") {
                    arr.push(html);
                } else {
                    var da = tbody.children[0].children[0].children[0].children[0].innerHTML;
                    var obj = {};
                    obj.Date = da;
                    obj.Des = prompt;
                    pros.push(obj);
                }
            }
        }
        var total = 0;
        for (var i = 0; i < arr.length; i++) {
            var time = arr[i];
            var exTime1 = time.split('~')[0];
            if (exTime1 < "08:00") {
                exTime1 = "08:00";
            }
            var exTime2 = time.split('~')[1];
            var begin = exTime1.split(':')[0] * 60 * 60 * 1000 + exTime1.split(':')[1] * 60 * 1000;
            var end = exTime2.split(':')[0] * 60 * 60 * 1000 + exTime2.split(':')[1] * 60 * 1000;
            var ti = end - begin;
            total += ti;
        }
        var avg = Math.round(total / parseInt(arr.length));
    
        var res = total - arr.length * 9 * 60 * 60 * 1000;
        if (res > 0) {
            alert("多上班时间:" + GetTime(res));
        } else {
           alert("少上班时间:" + GetTime(-res));
        }