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<!DOCTYPE html> <html> <head> <title>ganttu.html</title> <meta name="keywords" content="keyword1,keyword2,keyword3"> <meta name="content-type" content="text/html; charset=UTF-8"> <meta name="reason" content="甘特图的实际进度与计划进度可能不符,为了展示实际进度与计划进度的差异和方便统计,自己写了个甘特图框架"> <meta name="mast" content="使用代码之前请留言,禁止转载..."> <meta name="description" content="liuyuhang 的甘特图,当前版本1.0,2019-02-19"> <meta name="description" content="时间日期格式:yyyy-mm-dd"> <meta name="description" content="①计划进度与实际进度双重进度体系"> <meta name="description" content="②有前置任务连接线"> <meta name="description" content="③可修改图颜色"> <meta name="description" content="④可隐藏与展示列"> <meta name="description" content="⑤可隐藏域展示子项目"> <meta name="description" content="⑥可跳转时间到当前时间"> <meta name="description" content="⑦可从当前项目开始时间查看"> <meta name="description" content="⑦可隐藏某时间之前的内容"> <meta name="warning" content="⑧未做图拖拽,并不打算做..."> <meta name="author" content="liuyuhang 13501043063"> <!-- 只引用了这些,其余的并没有引用 --> <link href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script> <style type="text/css"> #ganttu-head { height: 70px; background-color: #dddddd; padding: 10px 20px; } #ganttu-body { min-height: 780px; background-color: #eeeeee; padding: 10px 20px; font-size: 20px; } #ganttu-index-projectName { display: inline; padding: 5px 15px; background-image: linear-gradient(to left, #222222 0%, #222222 75%, #000000 100%); color: white; border-radius: 18px; } #ganttu-index-projectDesc { display: inline; padding: 5px 15px; background-image: linear-gradient(to left, #777777 0%, #777777 75%, #333333 100%); color: white; border-radius: 18px; } td { white-space: nowrap } </style> </head> <body> <div id=‘ganttu-head‘ class=‘col-lg-12 col-md-12 col-sm-12 col-xs-12‘ style=‘height‘> <div style=‘display: inline;font-size: 30px;font-weight: 430;padding: 5px 15px;‘>甘特图面板</div> <div id=‘ganttu-index-projectName‘>此项目 名称...</div> <div id=‘ganttu-index-projectDesc‘>此项目描述...</div> </div> <div id=‘ganttu-body‘ class=‘col-lg-12 col-md-12 col-sm-12 col-xs-12‘ style=‘;overflow-x:scroll;font-size:14px;‘> <!-- 甘特图放到了这个div中 --> <div id="lyh-ganttu" class=‘col-lg-12 col-md-12 col-sm-12 col-xs-12‘ style=‘position:relative;padding:0px;height:700px;‘></div> </div> </body> <script type="text/javascript"> $(function() { lyhGanttuInit(‘lyh-ganttu‘); //甘特图初始化 }) /** * 甘特图数据,变量名固定 */ var lyhGanttuData = { data : [ { ‘id‘ : 1, ‘pid‘ : 0, ‘projectName‘ : ‘任务1‘, ‘projectCode‘ : ‘task01‘, ‘planStartAt‘ : ‘2019/02/01‘, ‘planEndAt‘ : ‘2019/02/11‘, ‘startAt‘ : ‘2019/1/31‘, ‘endAt‘ : ‘2019/02/12‘, ‘persent‘ : ‘100%‘, ‘resps‘ : [ ‘刘宇航‘ ], ‘actors‘ : [ ‘刘宇航a‘ ], ‘insiders‘ : [ ‘刘宇航i‘ ], ‘dur‘ : 3, //计划时间跨度 ‘before‘ : [], //前置任务id }, { ‘id‘ : 2, ‘pid‘ : 1, ‘projectName‘ : ‘任务2‘, ‘projectCode‘ : ‘task02‘, ‘planStartAt‘ : ‘2019/02/01‘, ‘planEndAt‘ : ‘2019/02/03‘, ‘startAt‘ : ‘2019/1/31‘, ‘endAt‘ : ‘2019/02/04‘, ‘persent‘ : ‘100%‘, ‘resps‘ : [ ‘刘宇航2‘ ], ‘actors‘ : [ ‘刘宇航b‘ ], ‘insiders‘ : [ ‘刘宇航j‘ ], ‘dur‘ : 4, ‘before‘ : [], }, { ‘id‘ : 3, ‘pid‘ : 1, ‘projectName‘ : ‘任务3‘, ‘projectCode‘ : ‘task03‘, ‘planStartAt‘ : ‘2019/02/04‘, ‘planEndAt‘ : ‘2019/02/07‘, ‘startAt‘ : ‘2019/02/05‘, ‘endAt‘ : ‘2019/02/07‘, ‘persent‘ : ‘100%‘, ‘resps‘ : [ ‘张三‘, ‘李四‘, ‘王五‘ ], ‘actors‘ : [ ‘张三a‘, ‘李四b‘, ‘王五c‘ ], ‘insiders‘ : [ ‘刘宇航k‘, ‘刘宇航f‘ ], ‘dur‘ : 4, ‘before‘ : [ 2 ], }, { ‘id‘ : 4, ‘pid‘ : 1, ‘projectName‘ : ‘任务4‘, ‘projectCode‘ : ‘task04‘, ‘planStartAt‘ : ‘2019/02/08‘, ‘planEndAt‘ : ‘2019/02/11‘, ‘startAt‘ : ‘2019/02/08‘, ‘endAt‘ : ‘2019/02/12‘, ‘persent‘ : ‘100%‘, ‘resps‘ : [ ‘李四‘, ‘王五‘ ], ‘actors‘ : [ ‘李四b‘, ‘王五c‘ ], ‘insiders‘ : [ ‘刘宇航k‘, ‘刘宇航f‘ ], ‘dur‘ : 4, ‘before‘ : [ 2, 3 ], }, ] } /** * 甘特图设置,变量名固定 */ var lyhGanttuConfig = { start : ‘1900/01/01‘, //初始化开始时间配置 - 别在意 end : ‘1900/01/10‘, //初始化结束时间配置 - 别在意 planBorder : ‘#1a8cff‘, //计划进度的border颜色 planBackground : ‘#80bfff‘, //计划进度的back颜色 border : ‘#ffaa00‘, //实际进度的border染颜色 background : ‘#ffcc66‘, //实际进度的back颜色 lineColor : ‘green‘, //前置任务线颜色 //表格中的thead的题头设置,可按照格式任意添加或减少 labels : { ‘projectName‘ : { ‘name‘ : ‘ 任务名 ‘, ‘show‘ : true, }, //任务名 ‘projectCode‘ : { ‘name‘ : ‘编号‘, ‘show‘ : true, }, //编号 ‘planStartAt‘ : { ‘name‘ : ‘计划开始‘, ‘show‘ : true, }, //计划开始时间 ‘planEndAt‘ : { ‘name‘ : ‘计划结束‘, ‘show‘ : false, }, //计划结束时间 ‘startAt‘ : { ‘name‘ : ‘实际开始‘, ‘show‘ : false, }, //实际开始时间 ‘endAt‘ : { ‘name‘ : ‘实际结束‘, ‘show‘ : false, }, //实际结束时间 ‘persent‘ : { ‘name‘ : ‘完成比例‘, ‘show‘ : true, }, //完工百分比 ‘dur‘ : { ‘name‘ : ‘时长‘, ‘show‘ : true, }, //持续时间 ‘resps‘ : { ‘name‘ : ‘负责人‘, ‘show‘ : true, }, //负责人 ‘actors‘ : { ‘name‘ : ‘参与人‘, ‘show‘ : true, }, //参与人 ‘insiders‘ : { ‘name‘ : ‘知情人‘, ‘show‘ : false, }, //知情人 ‘before‘ : { ‘name‘ : ‘前置任务‘, ‘show‘ : false, }, //前置任务 ‘operate‘ : { ‘name‘ : "<button title=‘新建计划‘ class=‘btn btn-primary btn-xs‘><span class=‘glyphicon glyphicon-plus‘ style=‘margin-right:0px‘></span></button>", ‘show‘ : true, }, //修改按钮 } } /** * 添加修改功能 */ function lyhGanttuDataModifyByOperate() { var data = lyhGanttuData.data for (var i = 0; i < data.length; i++) { data[i][‘operate‘] = "<button title=‘修改此计划‘ class=‘btn btn-primary btn-xs‘><span class=‘glyphicon glyphicon-edit‘ style=‘margin-right:0px‘></span></button>"; } } //================ //以下为甘特图本身的绘图代码,调用lyhGanttuInit,参数为要加载甘特图的id //请使用谷歌浏览器,缩放倍数为100% /** * 甘特图初始化函数 */ function lyhGanttuInit(target) { //重置日期设置缓存 lyhGanttuConfig.start = ‘1900/01/01‘; lyhGanttuConfig.end = ‘1900/01/10‘; lyhGanttuConfigModifyByDate(); //过滤所有时间,获取时间长度 lyhGanttuDataModifyByOperate(); //添加点修改或新增数据按钮 var table = lyhGanttuTable(target); $(‘#‘ + target).html(table); drawLink(target); //线条初始化 //提示工具初始化 $(‘#‘ + target).find(‘[title]‘).attr(‘data-toggle‘, ‘tooltip‘).attr(‘data-placement‘, ‘right‘); $("[data-toggle=‘tooltip‘]").tooltip(); //标记today var today = lyhGanttuDate(new Date()); //今天的日期字符串 var todayIn = $(‘#‘ + target + ‘ .table thead tr #date‘).find(‘[data-original-title=\‘‘ + today + ‘\‘]‘); if (todayIn.length > 0) { todayIn.addClass(‘todayDiv‘).css(‘background-color‘, ‘orange‘).append($(‘<div>‘).css({ ‘height‘ : parseInt($(‘#‘ + target + ‘ .table‘).css(‘height‘).split(‘px‘)[0]) - 45 + ‘px‘, ‘position‘ : ‘absolute‘, ‘z-index‘ : 202, ‘margin-top‘ : ‘-40px‘, ‘margin-left‘ : ‘-10px‘, ‘border-left‘ : ‘2px dashed red‘, }).append($(‘<button>‘).addClass(‘btn btn-danger btn-xs todayBtn‘).css(‘margin-left‘, ‘3px‘).html(‘ today ‘))) } } /** * 绘制甘特图基础函数 */ function lyhGanttuTable(target) { var htr = $(‘<tr>‘).addClass(‘text-center‘); var labels = lyhGanttuConfig.labels; //head的标签json var start = lyhGanttuConfig.start; //总开始时间 var end = lyhGanttuConfig.end; //总结束时间 var pBorder = lyhGanttuConfig.planBorder; var pBackground = lyhGanttuConfig.planBackground; var border = lyhGanttuConfig.border; var background = lyhGanttuConfig.background; var indexBtn = $(‘<button>‘).addClass(‘btn btn-success btn-xs‘).append("<span class=‘glyphicon glyphicon-chevron-down‘ style=‘margin-right:0px‘></span><span class=‘glyphicon glyphicon-chevron-right‘ style=‘display:none;margin-right:0px‘></span>"); indexBtn.click(function() { //展开或隐藏所以有任务卡点击函数 var me = $(this); var indexBtnDown = me.find(‘.glyphicon-chevron-down‘); //转开状态 var indexBtnRight = me.find(‘.glyphicon-chevron-right‘); //隐藏状态 var meTrs = $(‘#‘ + target + ‘ .table tr‘); var meTdsHide = meTrs.find(‘div[hideId]‘); if (indexBtnRight.is(‘:hidden‘)) { //若当前为展开状态,则隐藏,同时调整按钮 meTdsHide.parent().parent().hide(300); indexBtnRight.show(); indexBtnDown.hide(); } else { //当前为隐藏状态,则展开 meTdsHide.parent().parent().show(300); indexBtnRight.hide(); indexBtnDown.show(); } setTimeout(function() { //重新绘图 drawLink(‘lyh-ganttu‘); }, 400) }) var index = $(‘<td>‘).append(indexBtn); htr.append(index); //添加index //循环添加label for (var label in labels) { var htd = $(‘<td>‘).append($(‘<div>‘).attr(‘id‘, label).html(labels[label].name)); if (labels[label].show != true) { htd.css(‘display‘, ‘none‘); } htr.append(htd); } //添加甘特图的日期头 var dataHtd = $(‘<td>‘).attr(‘id‘, ‘date‘).css(‘width‘, ‘50%‘).css(‘padding‘, ‘0px‘); var hDivs = lyhGanttuHeadDivs(target); for (var i = 0; i < hDivs.length; i++) { dataHtd.append(hDivs[i]); } htr.append(dataHtd); //添加甘特图的数据内容 var tbody = $(‘<tbody>‘) var data = lyhGanttuData.data; for (var i = 0; i < data.length; i++) { //写入展开按钮 var btr = $(‘<tr>‘).addClass(‘text-center‘).css(‘max-height‘, ‘40px‘); if (data[i].pid == 0) { var plusBtn = $(‘<button>‘).append("<span class=‘glyphicon glyphicon-flag‘ style=‘margin-right:0px‘></span>").addClass(‘btn btn-success btn-xs‘).attr(‘title‘, ‘展开/隐藏-计划‘).attr(‘id‘, data[i][‘id‘]); plusBtn.click(function() { //任务展开与隐藏按钮点击函数 var me = $(this); var meId = me.attr(‘id‘); var meTrs = $(‘#‘ + target + ‘ .table tr‘); var meTdsHide = meTrs.find(‘div[hideId=‘ + meId + ‘]‘); if (meTdsHide.is(‘:hidden‘)) { //已经隐藏 meTdsHide.parent().parent().show(300); } else { meTdsHide.parent().parent().hide(300); } setTimeout(function() { //重新绘图 drawLink(‘lyh-ganttu‘); }, 400) }) var plus = $(‘<td>‘).css(‘padding‘, ‘5px‘).append(plusBtn) } else { var plus = $(‘<td>‘).css(‘padding‘, ‘5px‘).append($(‘<div>‘).attr(‘id‘, data[i][‘id‘]).attr(‘hideId‘, data[i][‘pid‘]).attr(‘title‘, ‘工作包‘).append("<span class=‘glyphicon glyphicon-tasks‘ style=‘margin-right:0px‘></span>")); } btr.append(plus) //写入数据 for (var label in labels) { for (var key in data[i]) { if (label == key) { if (label.indexOf(‘At‘) > -1) { //若是时间数据,则截取一下 var tda = $(‘<td>‘).css(‘padding‘, ‘5px‘).append($(‘<div>‘).addClass(key).html(data[i][key].substr(5, 5)).attr(‘title‘, data[i][key])) } else if (label == ‘resps‘ || label == ‘actors‘ || label == ‘insiders‘) { //负责人,参与人,知情人加载 var tda = $(‘<td>‘).css(‘padding‘, ‘5px‘).append($(‘<div>‘).addClass(key).html(data[i][key][0]).attr(‘title‘, data[i][key])); } else if (label == ‘before‘) { //前置任务 var befores = data[i][key]; var beforesNames = []; if (befores.length > 0) { for (var j = 0; j < data.length; j++) { for (var k = 0; k < befores.length; k++) { if (data[j].id == befores[k]) { beforesNames.push(data[j].projectName); } } } } else { beforesNames.push(‘无‘); } var tda = $(‘<td>‘).css(‘padding‘, ‘5px‘).append($(‘<div>‘).addClass(key).html(beforesNames[0]).attr(‘title‘, beforesNames)); } else { //其他信息加载 var tda = $(‘<td>‘).css(‘padding‘, ‘5px‘).append($(‘<div>‘).addClass(key).html(data[i][key])); } if (labels[label].show != true) { //该列是否展示 tda.hide(); } if (label == ‘planStartAt‘) { tda.css(‘cursor‘, ‘pointer‘) tda.click(function() { //对planStartAt添加点击函数 var me = $(this); var psaTitle = me.find(‘div‘).attr(‘data-original-title‘); var dateDivs = $(‘#‘ + target + ‘ .table thead #date‘); var dateBtn = dateDivs.find(‘div[data-original-title=\‘‘ + psaTitle + ‘\‘]‘).prev(); dateBtn.click(); }) } btr.append(tda); break; } } } //写入图信息 var ps = data[i][‘planStartAt‘]; //计划开始时间 var pe = data[i][‘planEndAt‘]; //计划结束时间 var dpss = lyhGanttuDateDiff(start, ps) - 1; //计划开始时间和总开始时间的时间差 var dpse = lyhGanttuDateDiff(ps, pe) + 1; //计划开始时间和计划结束时间的时间差 var dse = lyhGanttuDateDiff(start, end); //总开始和总结束时间差 var as = data[i][‘startAt‘]; //实际开始时间 var ae = data[i][‘endAt‘]; //实际结束时间 var dass = lyhGanttuDateDiff(start, as) - 1; //实际开始时间和总开始时间的时间差 var dase = lyhGanttuDateDiff(as, ae) + 1; //实际开始时间和实际结束时间的时间差 var tdu = $(‘<td>‘).css(‘padding‘, ‘0px‘).css(‘max-height‘, ‘38px‘); var d = $(‘<div>‘).css({ //计划的div ‘display‘ : ‘inline-block‘, ‘width‘ : ‘55px‘, ‘height‘ : ‘26px‘, ‘margin-bottom‘ : ‘-5px‘, ‘margin-top‘ : ‘3px‘, ‘padding‘ : ‘-1px‘, ‘z-index‘ : 200, }).addClass(‘Gout‘).append($(‘<div>‘).css({ //背景色的div,用于标注周末 ‘width‘ : ‘55px‘, ‘height‘ : ‘30px‘, ‘position‘ : ‘absolute‘, ‘margin-top‘ : ‘-2px‘, ‘opacity‘ : 0.07, }).addClass(‘weekend‘)).append($(‘<div>‘).css({ //实际的div ‘width‘ : ‘55px‘, ‘height‘ : ‘14px‘, ‘position‘ : ‘absolute‘, ‘margin-top‘ : ‘7px‘, ‘z-index‘ : 200, }).addClass(‘Gin‘)); var weekDay = new Date(start).getDay(); //获取初始日期是星期几 - - 0-6为星期日 -- 星期六 //甘特图绘图填色 for (var k = 0; k < dse; k++) { //在总开始和总结束之间做日期循环 var dc = d.clone(); if ((k + weekDay) % 7 == 5 || (k + weekDay) % 7 == 6) { //周末标识填充 dc.find(‘.weekend‘).css({ ‘background-color‘ : ‘blue‘, ‘border-left‘ : ‘1px inset #ddd‘, }) } if (k > dpss - 1 && k < dpss + dpse) { //计划内容填充 dc.css({ ‘background-color‘ : pBackground, ‘border-top‘ : ‘1px inset ‘ + pBorder, ‘border-bottom‘ : ‘1px inset ‘ + pBorder, }).attr(‘title‘, ‘计划进度与实际进度‘); if (k == dpss) { //左边界 dc.css(‘border-left‘, ‘1px inset ‘ + pBorder); dc.find(‘.Gin‘).html(‘<div style="position:absolute;top:-3px;padding-left:10px">‘ + data[i][‘persent‘] + ‘</div>‘); //完工百分比 dc.attr(‘sId‘, data[i][‘id‘]); //标记为开始,查询sid,获取当前的计划的id } if (k == dpss + dpse - 1) { //右边界 dc.css(‘border-right‘, ‘1px inset ‘ + pBorder); dc.attr(‘eId‘, data[i][‘id‘]); //标记为结束,查询eid,获取当前的计划的id } } if (k > dass - 1 && k < dass + dase) { //实际内容填充 dc.find(‘.Gin‘).css({ ‘background-color‘ : background, ‘border-top‘ : ‘1px inset ‘ + border, ‘border-bottom‘ : ‘1px inset ‘ + border, }).attr(‘title‘, ‘实际进度与实际进度‘); if (k == dass) { //左边界 dc.find(‘.Gin‘).css(‘border-left‘, ‘1px inset ‘ + border); } if (k == dass + dase - 1) { //右边界 dc.find(‘.Gin‘).css(‘border-right‘, ‘1px inset ‘ + border); } if (dc.css(‘border-top-width‘) != ‘1px‘) { //是否是只有实际进度,进行margin-top位置调整 dc.find(‘.Gin‘).css(‘margin-top‘, ‘8px‘); } } tdu.append(dc) } btr.append(tdu) tbody.append(btr); } //写入table顶部工具栏,包括隐藏展示列功能 var optr = $(‘<tr>‘); var hideResetBtn = $(‘<button>‘).addClass(‘btn btn-primary btn-sm‘).attr(‘title‘, ‘展示所有隐藏项‘).html(‘<span class="glyphicon glyphicon-transfer"></span>‘) hideResetBtn.click(function() { //全部展示或隐藏的按钮点击函数 if (lyhGanttuConfig.labels.planEndAt.show == false) { for (var key in lyhGanttuConfig.labels) { if (key != ‘projectName‘ && key != ‘planStartAt‘ && key != ‘operate‘) { lyhGanttuConfig.labels[key].show = true; } } } else { for (var key in lyhGanttuConfig.labels) { if (key != ‘projectName‘ && key != ‘planStartAt‘ && key != ‘operate‘) { lyhGanttuConfig.labels[key].show = false; } } } lyhGanttuInit(target); //重新绘图 }) var optdFirst = $(‘<td>‘).css(‘padding‘, ‘5px‘).append(hideResetBtn); optr.append(optdFirst); //写入重置隐藏项按钮 for (var key in labels) { if (key != ‘projectName‘ && key != ‘planStartAt‘ && key != ‘operate‘) { var checkSpan = $(‘<span>‘).addClass(‘glyphicon glyphicon-check‘); //已选择span var uncheckSpan = $(‘<span>‘).addClass(‘glyphicon glyphicon-unchecked‘); //未选择span if (labels[key].show == true) { //该项目要显示,隐藏未选 uncheckSpan.hide(); } else { checkSpan.hide(); } var optBtn = $(‘<button>‘).addClass(‘btn btn-primary btn-sm‘).html(‘‘).append(checkSpan).append(uncheckSpan).append(labels[key].name) .attr(‘title‘, ‘隐藏/展示-‘ + labels[key].name + ‘列‘).attr(‘id‘, key); optBtn.click(function() { //表格列工具点击函数 var me = $(this); var hideColumId = me.attr(‘id‘); if (lyhGanttuConfig.labels[hideColumId].show == true) { //隐藏 lyhGanttuConfig.labels[hideColumId].show = false; } else { lyhGanttuConfig.labels[hideColumId].show = true; //展示 } lyhGanttuInit(target); //重新绘图 }) var optd = $(‘<td>‘).css(‘padding‘, ‘5px 10px‘).append(optBtn); optr.append(optd); } } //当前进度按钮 var optBtnToday = $(‘<button>‘).addClass(‘btn btn-danger btn-sm‘).html(‘<span class="glyphicon glyphicon-pushpin"></span>今天进度‘).attr(‘id‘, key); optBtnToday.click(function() { //跳转到今天的点击函数 var todayBtn = $(‘#‘ + target + ‘ .table thead tr #date‘).find(‘.todayDiv‘); todayBtn.prev().prev().click(); }) optr.append($(‘<td>‘).css(‘padding‘, ‘5px 10px‘).append(optBtnToday)); var opt = $(‘<caption>‘).append(optr); //组装table var thead = $(‘<thead>‘).append(htr).css(‘background-color‘, ‘#cccccc‘); var table = $(‘<table>‘).append(opt).append(thead).append(tbody).addClass(‘table table-bordered table-hover‘); return table; } /** * 根据甘特图生成canvas线条连接linked的函数 */ function drawLink(target) { var temp = $(‘#‘ + target); var dw = parseInt(temp.find(‘.table #date‘).css(‘width‘).split(‘px‘)[0]); var offset = temp.find(‘.table #date‘).position().left; var dh = parseInt(temp.find(‘.table‘).css(‘height‘).split(‘px‘)[0]) - 80; var data = lyhGanttuData.data; var canvas = $(‘<canvas>‘).css({ ‘position‘ : ‘absolute‘, ‘top‘ : ‘0px‘, ‘left‘ : ‘0px‘, ‘z-index‘ : 10, ‘margin-top‘ : ‘95px‘, //高偏移量 ‘margin-left‘ : offset + ‘px‘, }).attr(‘width‘, dw + ‘px‘).attr(‘height‘, dh + ‘px‘); //删除target下的所有的canvas temp.find(‘canvas‘).remove() for (var i = 0; i < data.length; i++) { var before = data[i][‘before‘]; var id = data[i][‘id‘]; if (before.length > 0) { for (var k = 0; k < before.length; k++) { var eDiv = $(‘#‘ + target).find(‘div[sId=‘ + id + ‘]‘) var sDiv = $(‘#‘ + target).find(‘div[eId=‘ + before[k] + ‘]‘) if (eDiv.is(‘:hidden‘)) { //若已经被隐藏,则不绘制线条 break; } var sy = sDiv.position().top - 88; //设置高度偏移量 var sx = sDiv.position().left + 55 - offset; //设置宽度偏移量 var ey = eDiv.position().top - 88; var ex = eDiv.position().left - offset; var c = canvas.clone(); $(‘#‘ + target).append(c); //加载画布 var ctx = c[0].getContext("2d"); //创建画布 //绘制连接线条 ctx.beginPath(); ctx.strokeStyle = lyhGanttuConfig.lineColor; //绿色线条 ctx.moveTo(sx, sy); //起点 ctx.lineTo(sx + 15, sy); //右移15 ctx.lineTo(sx + 15, sy + 26); //下移32 ctx.lineTo(sx - 15, sy + 26); //左移30 ctx.lineTo(sx - 15, ey); //下移到终点行 ctx.lineTo(ex, ey); //到终点 ctx.stroke(); //描边。stroke不会自动closePath() //绘制起点球球 ctx.beginPath(); ctx.fillStyle = lyhGanttuConfig.lineColor; ctx.arc(sx, sy, 2, 0, 2 * Math.PI, false); //x,y,半径,*,弧长,时针 ctx.fill(); //填充 //绘制终点箭头 ctx.beginPath(); ctx.strokeStyle = lyhGanttuConfig.lineColor; ctx.moveTo(ex - 7, ey - 3); ctx.lineTo(ex, ey); ctx.lineTo(ex - 7, ey + 3); ctx.stroke(); //描边。stroke不会自动closePath() } } } } var dateLabelClickFlag = null; /** * 以过滤后的日期制作head中的日期div */ function lyhGanttuHeadDivs(target) { var start = lyhGanttuConfig.start; var end = lyhGanttuConfig.end; var diff = lyhGanttuDateDiff(end, start); //获取时间差 var arr = []; var temp = null; for (var i = 0; i < diff; i++) { if (null == temp) { var next = lyhGanttuDatePlus(start); } else { var next = lyhGanttuDatePlus(temp); } temp = next; var div = $(‘<div>‘).css({ ‘border-left‘ : ‘1px solid #ddd‘, ‘display‘ : ‘inline-block‘, ‘padding‘ : ‘9px 9px‘, ‘title‘ : next, ‘cursor‘ : ‘pointer‘, }).attr(‘title‘, next).html(next.substr(5, 5)); div.click(function() { //date题头点击的函数,隐藏之前的所有内容 var me = $(this); if (dateLabelClickFlag != me.attr(‘title‘)) { //检验第几次点击,第一次点击则隐藏,再次点击则展示之前内容 dateClickHide(target, me); //隐藏内容 dateLabelClickFlag = me.attr(‘title‘); //更新flag } else { dateClickShow(target); //隐藏内容 dateLabelClickFlag = null; //更新flag } }) arr.push(div); } return arr; //写回div的jquery的对象的数组 } /** * 隐藏点击的日期之前的所有甘特图内容的函数 */ function dateClickHide(target, me) { var count = 0; var temp = me.prev(); while (temp.length != 0) { //隐藏题头 var prev = temp; temp.hide(); temp = temp.prev(); count++; } var trs = $(‘#‘ + target + ‘ tbody tr‘); for (var i = 0; i < trs.length; i++) { var td = $(trs[i]).children("td:last-child"); var divs = td.find(‘.Gout‘); for (var k = 0; k < count; k++) { $(divs[k]).hide(); } } drawLink(target); //重新绘制 } /** * 展示点击的日期之前的所有甘特图的内容的函数 */ function dateClickShow(target) { $(‘#‘ + target + ‘ div‘).show(); drawLink(target); //重新绘制 } /** * 初始化日期,最早时间-5,最长时间+5 */ function lyhGanttuConfigModifyByDate() { for (var i = 0; i < lyhGanttuData.data.length; i++) { if (lyhGanttuConfig.start == ‘1900/01/01‘) { lyhGanttuConfig.start = lyhGanttuData.data[i].planStartAt; } if (lyhGanttuConfig.end == ‘1900/01/10‘) { lyhGanttuConfig.end = lyhGanttuData.data[i].planEndAt; } if (str2Date(lyhGanttuConfig.start, ‘/‘).getTime() > str2Date(lyhGanttuData.data[i].planStartAt, ‘/‘).getTime()) { lyhGanttuConfig.start = lyhGanttuData.data[i].planStartAt; } if (str2Date(lyhGanttuConfig.start, ‘/‘).getTime() > str2Date(lyhGanttuData.data[i].startAt, ‘/‘).getTime()) { lyhGanttuConfig.start = lyhGanttuData.data[i].startAt; } if (str2Date(lyhGanttuConfig.end, ‘/‘).getTime() < str2Date(lyhGanttuData.data[i].planEndAt, ‘/‘).getTime()) { lyhGanttuConfig.end = lyhGanttuData.data[i].planEndAt; } if (str2Date(lyhGanttuConfig.end, ‘/‘).getTime() < str2Date(lyhGanttuData.data[i].endAt, ‘/‘).getTime()) { lyhGanttuConfig.end = lyhGanttuData.data[i].endAt; } } lyhGanttuConfig.start = lyhGanttuDate(new Date(str2Date(lyhGanttuConfig.start, ‘/‘).getTime() - (3 * 24 * 60 * 60 * 1000))) lyhGanttuConfig.end = lyhGanttuDate(new Date(str2Date(lyhGanttuConfig.end, ‘/‘).getTime() + (8 * 24 * 60 * 60 * 1000))) } /** * json date转换日期工具 */ function lyhGanttuDateStr(dateStr) { var date = str2Date(dateStr, ‘-‘); var year = date.getFullYear().toString(); var month = (date.getMonth() + 1) <= 9 ? "0" + (date.getMonth() + 1) : (date.getMonth() + 1); var day = date.getDate() <= 9 ? "0" + date.getDate() : date .getDate(); return year + "/" + month + "/" + day; } /** * json date转换日期工具 date 对象转化为固定格式/日期的函数 */ function lyhGanttuDate(date) { var year = date.getFullYear().toString(); var month = (date.getMonth() + 1) <= 9 ? "0" + (date.getMonth() + 1) : (date.getMonth() + 1); var day = date.getDate() <= 9 ? "0" + date.getDate() : date .getDate(); return year + "/" + month + "/" + day; } /** * 固定格式的字符串转换成date格式函数 */ function str2Date(dateStr, separator) { if (!separator) { separator = "/"; } var dateArr = dateStr.split(separator); var year = parseInt(dateArr[0]); var month; //处理月份为04这样的情况 if (dateArr[1].indexOf("0") == 0) { month = parseInt(dateArr[1].substring(1)); } else { month = parseInt(dateArr[1]); } var day = parseInt(dateArr[2]); var date = new Date(year, month - 1, day); return date; } /** * 计算两个日期之间的天数 */ function lyhGanttuDateDiff(dateStr1, dateStr2) { //sDate1和sDate2是2006-12-18格式 var dateSpan, tempDate, iDays; dateStr1 = Date.parse(dateStr1); dateStr2 = Date.parse(dateStr2); dateSpan = dateStr2 - dateStr1; dateSpan = Math.abs(dateSpan); iDays = Math.floor(dateSpan / (24 * 3600 * 1000)); return iDays } /** * 当前日期时间以原格式+1的函数 */ function lyhGanttuDatePlus(dateStr, days) { var date = str2Date(dateStr); if (days == undefined || days == ‘‘) { days = 1; } date.setDate(date.getDate() + days); //日期+1 var year = date.getFullYear().toString(); var month = (date.getMonth() + 1) <= 9 ? "0" + (date.getMonth() + 1) : (date.getMonth() + 1); var day = date.getDate() <= 9 ? "0" + date.getDate() : date .getDate(); return year + "/" + month + "/" + day; } </script> </html>
原文：https://www.cnblogs.com/liuyuhangCastle/p/10404192.html