纯手工打造甘特图，js+css+xml,不含其它添加剂

Question

先上效果：

Answer 1

js代码：  <script>
        function Task(from, to, task, resource, progress, notes) {
            //开始时间
            var _from = new Date();
            //结束时间
            var _to = new Date();
            var _task = task;
            var _notes = notes;
            var _resource = resource;
            var _progress = progress;
            // 转化为时间格式
            var dvArr = from.split('/');
            _from.setFullYear(parseInt(dvArr[2], 10), parseInt(dvArr[0], 10) - 1, parseInt(dvArr[1], 10));
            dvArr = to.split('/');
            _to.setFullYear(parseInt(dvArr[2], 10), parseInt(dvArr[0], 10) - 1, parseInt(dvArr[1], 10));            this.getFrom = function() { return _from };
            this.getTo = function() { return _to };
            this.getTask = function() { return _task };
            this.getNotes = function() { return _notes };
            this.getResource = function() { return _resource };
            this.getProgress = function() { return _progress };
        }        function Gantt(gDiv) {
            var _GanttDiv = gDiv;
            var _taskList = new Array();
            this.AddTaskDetail = function(value) {
                _taskList.push(value);            }
            this.Draw = function() {
                var _offSet = 0;
                var _dateDiff = 0;
                var _currentDate = new Date();
                var _maxDate = new Date();
                var _minDate = new Date();
                var _dTemp = new Date();
                //第一个单元格
                var _firstRowStr = "<table border=1 style='border-collapse:collapse'><tr><td rowspan='2' width='200px' style='width:200px;'><div class='GTaskTitle' style='width:200px;'>任务</div></td>";
                var _thirdRow = "";
                var _gStr = "";
                var _colSpan = 0;
                var counter = 0;                _currentDate.setFullYear(_currentDate.getFullYear(), _currentDate.getMonth(), _currentDate.getDate());
                if (_taskList.length > 0) {
                    _maxDate.setFullYear(_taskList[0].getTo().getFullYear(), _taskList[0].getTo().getMonth(), _taskList[0].getTo().getDate());
                    _minDate.setFullYear(_taskList[0].getFrom().getFullYear(), _taskList[0].getFrom().getMonth(), _taskList[0].getFrom().getDate());
                    for (i = 0; i < _taskList.length; i++) {
                        if (Date.parse(_taskList[i].getFrom()) < Date.parse(_minDate))
                            _minDate.setFullYear(_taskList[i].getFrom().getFullYear(), _taskList[i].getFrom().getMonth(), _taskList[i].getFrom().getDate());
                        if (Date.parse(_taskList[i].getTo()) > Date.parse(_maxDate))
                            _maxDate.setFullYear(_taskList[i].getTo().getFullYear(), _taskList[i].getTo().getMonth(), _taskList[i].getTo().getDate());
                    }                    //---- Fix _maxDate value for better displaying-----
                    // Add at least 5 days                    if (_maxDate.getMonth() == 11) //December
                    {
                        if (_maxDate.getDay() + 5 > getDaysInMonth(_maxDate.getMonth() + 1, _maxDate.getFullYear()))
                            _maxDate.setFullYear(_maxDate.getFullYear() + 1, 1, 5); //The fifth day of next month will be used
                        else
                            _maxDate.setFullYear(_maxDate.getFullYear(), _maxDate.getMonth(), _maxDate.getDate() + 5); //The fifth day of next month will be used
                    }
                    else {
                        if (_maxDate.getDay() + 5 > getDaysInMonth(_maxDate.getMonth() + 1, _maxDate.getFullYear()))
                            _maxDate.setFullYear(_maxDate.getFullYear(), _maxDate.getMonth() + 1, 5); //The fifth day of next month will be used
                        else
                            _maxDate.setFullYear(_maxDate.getFullYear(), _maxDate.getMonth(), _maxDate.getDate() + 5); //The fifth day of next month will be used
                    }                    //--------------------------------------------------                    _gStr = "";
                    _gStr += "</tr><tr>";
                    _thirdRow = "<tr><td>&nbsp;</td>";
                    _dTemp.setFullYear(_minDate.getFullYear(), _minDate.getMonth(), _minDate.getDate());
                    while (Date.parse(_dTemp) <= Date.parse(_maxDate)) {
                        if (_dTemp.getDay() % 6 == 0) //Weekend
                        {
                            _gStr += "<td class='GWeekend'><div style='width:24px;'>" + _dTemp.getDate() + "</div></td>";
                            if (Date.parse(_dTemp) == Date.parse(_currentDate))
                            //今天且周末
                                _thirdRow += "<td id='GC_" + (counter++) + "' class='GToDay' style='background-color: #C1D9FF;height:" + (_taskList.length * 21) + "'>&nbsp;</td>";
                            else
                            //周末
                                _thirdRow += "<td id='GC_" + (counter++) + "' class='GWeekend' style='height:" + (_taskList.length * 21) + "'>&nbsp;</td>";
                        }
                        else {
                            _gStr += "<td class='GDay'><div style='width:24px;'>" + _dTemp.getDate() + "</div></td>";
                            if (Date.parse(_dTemp) == Date.parse(_currentDate))
                            //今天
                                _thirdRow += "<td id='GC_" + (counter++) + "' class='GToDay' style='background-color: #C1D9FF; height:" + (_taskList.length * 21) + "'>&nbsp;</td>";
                            else
                            //正常日期（非今天，周末）
                                _thirdRow += "<td id='GC_" + (counter++) + "' class='GDay'>&nbsp;</td>";
                        }
                        if (_dTemp.getDate() < getDaysInMonth(_dTemp.getMonth() + 1, _dTemp.getFullYear())) {
                            if (Date.parse(_dTemp) == Date.parse(_maxDate)) {
                                _firstRowStr += "<td class='GMonth' colspan='" + (_colSpan + 1) + "'>" + (_dTemp.getMonth() + 1) + "月/" + _dTemp.getFullYear() + "年</td>";
                            }
                            _dTemp.setDate(_dTemp.getDate() + 1);
                            _colSpan++;
                        }
                        else {
                            _firstRowStr += "<td class='GMonth' colspan='" + (_colSpan + 1) + "'>" + (_dTemp.getMonth() + 1) + "月/" + _dTemp.getFullYear() + "年</td>";
                            _colSpan = 0;
                            if (_dTemp.getMonth() == 11) //December
                            {
                                _dTemp.setFullYear(_dTemp.getFullYear() + 1, 0, 1);
                            }
                            else {
                                _dTemp.setFullYear(_dTemp.getFullYear(), _dTemp.getMonth() + 1, 1);
                            }
                        }
                    }
                    _thirdRow += "</tr>";
                    _gStr += "</tr>" + _thirdRow;
                    _gStr += "</table>";
                    _gStr = _firstRowStr + _gStr;
                    for (i = 0; i < _taskList.length; i++) {
                        _offSet = (Date.parse(_taskList[i].getFrom()) - Date.parse(_minDate)) / (24 * 60 * 60 * 1000);
                        _dateDiff = (Date.parse(_taskList[i].getTo()) - Date.parse(_taskList[i].getFrom())) / (24 * 60 * 60 * 1000) + 1;
                        //修改此处getTask()
                        _gStr += "<div style='position:absolute; top:" + (20 * (i + 2)) + "; left:" + (_offSet * 27 + 204) + "; width:" + (27 * _dateDiff - 1 + 100) + "'><div title='" + _taskList[i].getNotes() + "' class='GTask' style='float:left; width:" + (27 * _dateDiff - 1) + "px;'>" + getProgressDiv(_taskList[i].getProgress()) + "</div><div style='float:left; padding-left:3'>" + _taskList[i].getResource() + "</div></div>";
                        _gStr += "<div style='position:absolute; top:" + (20 * (i + 2) + 1) + "; left:5px'>" + _taskList[i].getTask() + "</div>";
                    }
                    _GanttDiv.innerHTML = _gStr;
                }
            }
        }        function getProgressDiv(progress) {
            return "<div class='GProgress' style='width:" + progress + "%; overflow:hidden'></div>"
        }
        // GET NUMBER OF DAYS IN MONTH
        function getDaysInMonth(month, year) {            var days;
            switch (month) {
                case 1:
                case 3:
                case 5:
                case 7:
                case 8:
                case 10:
                case 12:
                    days = 31;
                    break;
                case 4:
                case 6:
                case 9:
                case 11:
                    days = 30;
                    break;
                case 2:
                    if (((year % 4) == 0) && ((year % 100) != 0) || ((year % 400) == 0))
                        days = 29;
                    else
                        days = 28;
                    break;
            }
            return (days);
        }
        /*----- END OF MY CODE FOR Gantt CHART GENERATOR -----*/
    </script>

Answer 2

css： <style>
        .Gantt
        {
            font-family: tahoma, arial, verdana;
            font-size: 11px;
        }
        .GTaskTitle
        {
            font-family: tahoma, arial, verdana;
            font-size: 11px;
            font-weight: bold;
        }
        .GMonth
        {
            padding-left: 5px;
            font-family: tahoma, arial, verdana;
            font-size: 11px;
            font-weight: bold;
        }
        .GToday
        {
            background-color: #FDFDE0;
        }
        .GWeekend
        {
            font-family: tahoma, arial, verdana;
            font-size: 11px;
            background-color: #F5F5F5;
            text-align: center;
        }
        .GDay
        {
            font-family: tahoma, arial, verdana;
            font-size: 11px;
            text-align: center;
        }
        .GTask
        {
            border-top: 1px solid #CACACA;
            border-bottom: 1px solid #CACACA;
            height: 14px;
            background-color: yellow;
        }
        .GProgress
        {
            background-color: black;
            height: 2px;
            overflow: hidden;
            margin-top: 5px;
        }
    </style>
晚上整理一下，发博客

Answer 3

继续努力，单点了点，要和它比一比
http://www.netronic.de/produkte-fuer-entwickler/varchart-gantt-diagramm.html