一簡(jiǎn)介
成都創(chuàng)新互聯(lián)公司-專(zhuān)業(yè)網(wǎng)站定制、快速模板網(wǎng)站建設(shè)、高性?xún)r(jià)比蒙自網(wǎng)站開(kāi)發(fā)、企業(yè)建站全套包干低至880元,成熟完善的模板庫(kù),直接使用。一站式蒙自網(wǎng)站制作公司更省心,省錢(qián),快速模板網(wǎng)站建設(shè)找我們,業(yè)務(wù)覆蓋蒙自地區(qū)。費(fèi)用合理售后完善,十多年實(shí)體公司更值得信賴(lài)。amCharts 是一個(gè)致力于圖表組件開(kāi)發(fā)的公司,公司地址在立陶宛首都維爾紐斯,2004年開(kāi)始推出圖表和地圖組件。截至目前,amCharts提供了JavaScript/HTML5 Charts、Javascript/HTML5 Stock Chart、JavaScript Maps三種圖表組件。
amCharts支持柱狀圖、條形圖、線形圖、面積圖、燭臺(tái)圖、雷達(dá)等基本圖形。
amCharts功能特點(diǎn):圖表可以為動(dòng)畫(huà)或靜態(tài)
價(jià)值軸能夠扭轉(zhuǎn)
線性或?qū)?shù)軸的價(jià)值尺度
定制描述任何數(shù)據(jù)點(diǎn)
設(shè)置和數(shù)據(jù)可以通過(guò)直接從一個(gè)HTML文件
二.操作amCharts常用對(duì)象
1.valueAxis對(duì)象:表示圖標(biāo)的Y軸,使用方法:var valueAxis=new AmCharts.ValueAxis();
2.categoryAxis對(duì)象:表示圖表的X軸,用法:var categoryAxis=new AmCharts.categoryAxis();
3.Legend對(duì)象:表示在圖表的上方或者下方顯示,圖例的顏色就是對(duì)應(yīng)線條的顏色,用法:var legend=new AmCharts.Legend();
4.Guide對(duì)象:表示一條跟Y軸平行的線,或者是矩形,用法:var guide=new AmCharts.Guide();
5.Scrollbar對(duì)象:表示可以選擇圖表顯示的區(qū)域,用法var chartScrollbar = new AmCharts.ChartScrollbar();
6.Graph對(duì)象:表示對(duì)象對(duì)象,必須有的屬性,用法:var graph = new AmCharts.AmGraph();
7.Chart對(duì)象:是核心對(duì)象,用法: chart = new AmCharts.AmSerialChart();
8.chartCursor對(duì)象:表示設(shè)置鼠標(biāo)的形狀和樣式,用法: var chartCursor = new AmCharts.ChartCursor();
三.各個(gè)對(duì)象下有許多屬性,比如:
(1)valueAxis對(duì)象的常用屬性:
axisColor:軸的顏色,用法: valueAxis.axisColor = "#ccc";
axisThickness:軸的寬度,用法:valueAxis.axisThickness=2;
gridAlpha:軸的透明度,用法:valueAxis.gridAlpha=0.5;
tickLength:軸從下到上向左或向右伸出來(lái)的延長(zhǎng)線,用法:valueAxis.tickLength=0;
tittle:軸的名稱(chēng);
logarithmic:是否為對(duì)數(shù)函數(shù)分布,一般軸的刻度是均勻劃分的,當(dāng)該屬性設(shè)置為true的時(shí)候,刻度分布成對(duì)數(shù)形式,用法:valueAxis.logarithmic = true;
gridCount:大刻度個(gè)數(shù)。用法:valueAxis.gridCount;
unit:單位。用法:valueAxis.unit=“%”;
inside:軸的刻度值顯示在里面還是外面。用法: valueAxis.inside = "true";
Position:軸的位置,默認(rèn)在左側(cè),用法:valueAxis.position=“l(fā)eft”;
其他對(duì)象的屬性值,還在繼續(xù)整理中,以后繼續(xù)補(bǔ)充完善....
使用這些對(duì)象及對(duì)象的某些屬性,簡(jiǎn)單實(shí)現(xiàn)圖表顯示功能:
window.onload=function(e){ var json=[ {"name":"文章1","value":"35"}, {"name":"文章2","value":"60"}, {"name":"文章3","value":"22"}, {"name":"文章4","value":"65"}, {"name":"文章5","value":"35"}, {"name":"文章6","value":"22"}, {"name":"文章7","value":"43"}, {"name":"文章8","value":"55"}, {"name":"文章9","value":"15"} ] var average = 45;//為了測(cè)試?yán)与S便給的數(shù)值 var zhibiaoObj=document.getElementById('zhibiao'); var zongtiObj=document.getElementById('zongti'); var xianshiObj=document.getElementById('xianshi'); var xianshiObj1=document.getElementById('xianshi1'); zongtiObj.addEventListener("click", GetSerialChart1,false); zhibiaoObj.addEventListener("click", GetSerialChart2,false); function GetSerialChart1(){ xianshiObj.style.display="none"; xianshiObj1.style.display="inline-block"; chart = new AmCharts.AmSerialChart(); //chart為核心對(duì)象 chart.dataProvider = json; chart.categoryField = "name";//指定X軸由哪個(gè)字段決定 chart.color="black";//設(shè)置圖標(biāo)顏色,X軸與Y軸的字體顏色 var categoryAxis = chart.categoryAxis; categoryAxis.dashLength = 2; categoryAxis.gridAlpha = 0.15; categoryAxis.axisColor = "#DADADA"; categoryAxis.title="折線圖--不同文章"; var valueAxis = new AmCharts.ValueAxis(); valueAxis.axisColor = "#ccc"; valueAxis.dashLength = 1; valueAxis.title = "折線圖--文章數(shù)量的變化"; valueAxis.gridAlpha = 0.2; //刻度線透明度 chart.addValueAxis(valueAxis); var guide = new AmCharts.Guide();// 是一條與Y軸平行的線 guide.value = average; guide.lineColor = "#Cf0000"; guide.dashLength = 4; guide.label = "平均值"; guide.lineAlpha = 1; valueAxis.addGuide(guide); var graph = new AmCharts.AmGraph(); graph.type = "smoothedLine";//圖像類(lèi)型,有l(wèi)ine,column,smoothedLine graph.bullet = "round"; //圖像的節(jié)點(diǎn)類(lèi)型。 graph.dashLength=1;//繪制圖像時(shí)延時(shí),默認(rèn)為0秒,設(shè)置正整數(shù)時(shí),可以看到動(dòng)態(tài)效果。 graph.bulletColor = "#FFFFFF";//節(jié)點(diǎn)的填充顏色 graph.bulletBorderColor = "#00BBCC";//節(jié)點(diǎn)的邊框顏色 graph.bulletBorderThickness = 2;//節(jié)點(diǎn)邊框厚度 graph.bulletSize = 9;//節(jié)點(diǎn)大小 graph.title = "value"; graph.valueField = "value"; graph.lineThickness = 2; graph.lineColor = "#00BBCC";//圖像線顏色 //鼠標(biāo)移入提示信息 graph.balloonText = "結(jié)果值`category` `value`"; //文本節(jié)點(diǎn)的內(nèi)容 chart.addGraph(graph); legend = new AmCharts.AmLegend(); legend.align = "center"; legend.markerType = "circle"; legend.title="顯示結(jié)果為"; chart.addLegend(legend); // WRITE chart.write("xianshi1"); }; function GetSerialChart2(){ xianshiObj.style.display="inline-block"; xianshiObj1.style.display="none"; chart = new AmCharts.AmSerialChart(); chart.dataProvider = json; chart.categoryField = "name"; //圖像是否XY軸互換,默認(rèn)為false,讓圖像順時(shí)針旋轉(zhuǎn)90度,則設(shè)置為true; chart.rotate = false; //設(shè)置3d圖像的厚度值 chart.depth4D = 10; //設(shè)置3D圖像時(shí),使用旋轉(zhuǎn)角度角度 chart.angle = 5; var categoryX = chart.categoryAxis; categoryX.axisColor = "#efefef";//X軸的顏色 categoryX.gridColor="black"; categoryX.title = "3D柱狀圖--不同文章"; var valueAxis = new AmCharts.ValueAxis(); valueAxis.axisColor = "#ccc"; //Y軸線顏色 valueAxis.title = "3D柱狀圖--文章數(shù)量的變化"; //標(biāo)題 valueAxis.gridAlpha = 0.5; //Y軸線透明度 chart.addValueAxis(valueAxis); var graph = new AmCharts.AmGraph(); graph.title = "value"; graph.valueField = "value"; graph.type = "column"; graph.balloonText = "測(cè)試數(shù)據(jù)`category` `value`"; graph.lineAlpha =0.3; //邊框透明度 graph.fillColors = "#00BBCC"; //填充顏色 graph.fillAlphas = 1; chart.addGraph(graph); chart.write("xianshi"); }; }
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