特点:使用方便,交互效果良好,支持动态显示
使用 :
1.view
<div id="flot"></div>
2.js
var dataSet = [];//存放图形对象的地方
var obj1 = {label: "obj1",color:"#00FFFF",data:datas,lines: { show: true }};
//data:是你所要展示图形对象的数据,支持Json格式
dataSet.push(obj1,...);
var Options = { //图表展现样式 grid: { backgroundColor: "#000000", tickColor: "#008040", hoverable: true, clickable: true }, yaxis: { min: 0 }, xaxis: { mode: ‘time‘ , tickSize: [5, "minute"], timeformat: "%H:%M%p", // format string to use min: currentTime- 3600000,//1 hour max: currentTime, timezone: "browser", twelveHourClock: true // 12 or 24 time in time mode }, series: { lines: { lineWidth: 1, fill: true, fillColor: { colors: [ { opacity: 0.4 }, { opacity: 0 } ] }, steps: false } }};
// 图表初始化
$(document).ready(function(){
$.plot($(‘#flot‘),dataSet,Options);
});
// 当鼠标移动到图形数据节点时,显示该节点数据信息
var previousPoint = null;$("#flot").bind("plothover", function (event, pos, item) { if (item) { if (previousPoint != item.dataIndex) { previousPoint = item.dataIndex; $("#tooltip").remove(); var item_series_label = item.series.label; var x = item.datapoint[0].toFixed(2), y = item.datapoint[1].toFixed(2); var x_date = new Date(Number(x)); showTooltip( item.pageX, item.pageY, "Item:" + item_series_label + "</br>Value:" + y + item_p + "</br>Time:" + x_date.toLocaleString() ); } }else { $("#tooltip").remove(); previousPoint = null; } }); //显示坐标跟随function showTooltip(x, y, contents) { $(‘<div id="tooltip">‘ + contents + ‘</div>‘).css( { position: ‘absolute‘, display: ‘none‘, top: y + 5, left: x + 5, border: ‘1px solid #000‘, padding: ‘2px‘, ‘background-color‘: ‘#fee‘, opacity: 0.80 }).appendTo("body").fadeIn(1);}
// 动态显示
// 封装图表,定时请求数据并刷新图表(代码略。。。)
时间: 2024-08-01 20:27:48