精美的javascript实现的柱状统计图表代码....
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>精美js柱状统计图</title> <style type="text/css"> /*样式*/ #consuming_time{ font-size:12px; border:solid 1px #ccc; background-color:#f2f6fb; margin:10px 20px; height:40px; line-height:20px; padding:5px 10px; width:260px; } #TwentyFourHourChart{ width:700px; height:240px; border:solid 1px #B3B3DC; position:relative; top:40px; left:20px; } </style> <script type="text/javascript"> window.onload = function () { var _time = "开始绘制时间：" + thisMomentTime(); toDrawingChart([15, 26, 32, 33, 44, 55, 66, 57, 88, 92, 67, 42, 45, 61, 105, 33, 24, 15, 36, 27, 28, 29, 10, 22], [10, 20, 22, 23, 30, 35, 50, 40, 62, 78, 60, 40, 25, 58, 95, 15, 20, 8, 25, 20, 18, 20, 5, 12]); _time += "<br>绘制完成时间：" + thisMomentTime(); document.getElementById("consuming_time").innerHTML = _time; //显示提示信息 toShowTipMessage(); }; function thisMomentTime() { var m = (new Date).getHours() + "时 " + (new Date).getMinutes() + "分 " + (new Date).getSeconds() + "秒 " + (new Date).getMilliseconds() + "毫秒"; return m; } /*Array 数组扩展*/ Array.prototype.max = function () { return Math.max.apply({}, this); }; Array.prototype.min = function () { return Math.min.apply({}, this); }; //绘制24小时分时段呼入图形报表的函数 function toDrawingChart(/*String*/inCallsPerHour, /*String*/inCompletePerHour) { var ic = document.getElementById("TwentyFourHourChart"); //页面上唯一的一个div，作为图表的容器 if (inCallsPerHour != null) { var inCallMax = inCallsPerHour.max(); //www.111cn.net从传入的数组中取得数组最大值，用到了一个自己写的array的扩展方法max() var topOffsetPercent = 180 / inCallMax; //计算以最大值为基准的每像素显示比例，百分比 for (var i = 0; i < inCallsPerHour.length; i++) { //循环24小时数据 var sumrow = document.createElement("div"); //创建一个div元素sumrow sumrow.id = "sumrow_" + i + "_" + inCallsPerHour[i];//为刚刚创建的div元素sumrow添加id属性（这里把时间，呼入电话总量数据写入到id中，后面显示这些信息的时候有用） sumrow.setAttribute("class", "incallchartsumrow"); //添加属性 //设置元素的left（每个div宽度为10px，那么第i个元素就应该是i*10，因为还有一列10像素的组装图，所以还要*2，加上距离左侧40px边距 + 每2个柱状图为一组之间的间隔空隙6px，所以得出如下，） sumrow.style.left = (i * 10) * 2 + (i * 6) + 40 + "px"; //高度的计算，Math.round四舍五入取值，百分比的基数 乘以 当前时段的呼入数据，为统计图的高度 sumrow.style.height = Math.round(topOffsetPercent * inCallsPerHour[i]) + "px"; sumrow.style.width = "10px"; //宽度10px像素 sumrow.style.position = "absolute"; //绝对定位 sumrow.style.overflow = "hidden"; //超出部分隐藏 sumrow.style.background = "none repeat scroll 0 0 #1280ef"; //背景颜色 sumrow.style.display = "block"; //块状显示 //距离容器上边框的距离，图表高度200 减去 当前这个柱状图图表高度 sumrow.style.top = 200 - Math.round(topOffsetPercent * inCallsPerHour[i]) + "px"; ic.appendChild(sumrow); //将创建的sumcow元素添加到ic容器中去 var timerow = document.createElement("div"); timerow.id = "timerow_" + i; timerow.setAttribute("class", "callnum"); timerow.style.left = (10 * i) * 2 + (i * 6) + 40 + "px"; timerow.style.width = "10px"; timerow.style.position = "absolute"; timerow.style.top = "205px"; timerow.innerHTML = '<span style="font-size:12px; color:#666666;"> ' + i + '</span>'; ic.appendChild(timerow); var cptrow = document.createElement("div"); cptrow.id = "cptrow_" + i + "_" + inCompletePerHour[i]; cptrow.setAttribute("class", "incallchartsumrow"); cptrow.style.width = "10px"; cptrow.style.height = Math.round(topOffsetPercent * inCompletePerHour[i]) + "px"; cptrow.style.position = "absolute"; cptrow.style.background = "none repeat scroll 0 0 #92be0f"; cptrow.style.left = (i * 10) * 2 + 10 + (i * 6) + 40 + "px"; cptrow.style.display = "block"; cptrow.style.top = 200 - Math.round(topOffsetPercent * inCompletePerHour[i]) + "px"; ic.appendChild(cptrow); } //绘制标尺线 for (var i = 0; i < 5; i++) { var tity = document.createElement("div"); tity.setAttribute("class", "tity"); tity.style.width = "30px"; tity.style.position = "absolute"; tity.style.top = (36 * i) + (20 - 6) + "px"; tity.style.left = "15px"; tity.innerHTML = '<span style="font-size:12px; color:#666666;"> ' + Math.round(inCallMax - (inCallMax / 5) * i) + '</span>'; ic.appendChild(tity); var liney = document.createElement("div"); liney.setAttribute("style", "width:620px; left:40px; border-top:1px dotted #B9B9B9; height:1px; line-height:1px; display:block; overflow:hidden; position:absolute; "); liney.style.top = (36 * i) + 20 + "px"; ic.appendChild(liney); } } else { icArea.innerHTML = '<div style="color:#0066cc; font-size:12px; margin:20px 0 0 80px;">暂无统计数据</div>'; } } //鼠标提示显示24小时实时>》呼入《<监控的详细数据 function toShowTipMessage() { var nodes = document.getElementById("TwentyFourHourChart").getElementsByTagName("div"); for (var i = 0; i < nodes.length; i++) { nodes[i].onmouseover = function () { var temp = this.id.split("_"); var type = temp[0]; var hour = temp[1]; var times = temp[2]; var tipMessage = ""; var tip = document.createElement("div"); tip.id = "TipMessage"; tip.style.position = "absolute"; tip.style.top = (parseInt(document.getElementById(this.id).style.top.replace("px", "")) - 20) + "px"; tip.style.left = document.getElementById(this.id).style.left; if (type == "sumrow") { tipMessage = "今日" + hour + "时呼入" + times; } else if (type == "cptrow") { tipMessage = "今日" + hour + "时已接" + times; } tip.innerHTML = '<span style="font-size:12px; display:block; height:20px; background-color:#ffffff; padding:0px 2px; line-height:20px;">' + tipMessage + '</span>'; document.getElementById("TwentyFourHourChart").appendChild(tip); } nodes[i].onmouseout = function () { var tip = document.getElementById("TipMessage"); document.getElementById("TwentyFourHourChart").removeChild(tip); } } } </script> </head> <body> <!-- 下面这个div consuming_time 是为了显示左上角，绘制图表耗时显示之用，在实际使用中午用处 --> <div id="consuming_time"></div> <div id="TwentyFourHourChart"> </div> </body> </html> 提示：您可以先修改部分代码再运行，复制代码和保存代码功能在Firefox下无
