数据
O700 O2833
O700 O331
O700 O3425
O700 O350
O700 O3516
O700 O3826
读取文件类
public class FileReadFromHdfs {
public static List<Data> getStringByTXT()
{ Configuration conf=new Configuration();
String txtFilePath = "hdfs://地址:9000/文件";
StringBuffer buffer = new StringBuffer();
FSDataInputStream fsr = null;
BufferedReader bufferedReader = null;
String lineTxt = null;
List<Data> datas=new ArrayList<Data>();
try
{
FileSystem fs = FileSystem.get(URI.create(txtFilePath),conf);
fsr = fs.open(new Path(txtFilePath));
bufferedReader = new BufferedReader(new InputStreamReader(fsr));
while ((lineTxt = bufferedReader.readLine()) != null)
{
String line=lineTxt.toString();
String[] arr=line.split("\t");
Data data=new Data();
data.setaString(arr[]);
data.setbString(arr[]);
//data.setcString(arr[2]);
datas.add(data);
}
} catch (Exception e)
{
e.printStackTrace();
} finally
{
if (bufferedReader != null)
{
try
{
bufferedReader.close();
} catch (IOException e)
{
e.printStackTrace();
}
}
}
return datas;
}
echarts关系图页面
<title>数据分析</title>
</head>
<body>
<%
FileReadFromHdfs4 fileReadFromHdfs4 =new FileReadFromHdfs4();
List<Plane> planes=fileReadFromHdfs4.getStringByTXT();
FileReadFromHdfs5 fileReadFromHdfs5 = new FileReadFromHdfs5();
List<HangXian> hangXians =fileReadFromHdfs5.getStringByTXT();
%>
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" style="height:800px;width: 1500px"></div>
<!-- ECharts单文件引入 -->
<script src="echarts.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-gl/echarts-gl.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-stat/ecStat.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/dataTool.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/china.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/world.js"></script>
<script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=ZUONbpqGBsYGXNIYHicvbAbM"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/bmap.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/simplex.js"></script>
<script type="text/javascript">
var w = 400; // svg宽度
var h = 200; // svg高度
var dataset = []; // 坐标点数据集合
var xRange = Math.random() * 1000; // x坐标的范围
var yRange = Math.random() * 1000; // y坐标的范围
var num = 50; // 点的个数
var padding = 50; // 描点区域距离svg边界的间距
// 基于准备好的dom，初始化echarts图表
var myChart = echarts.init(document.getElementById('main')); var option = {
title: {
text: 'NPM Dependencies'
},
animationDurationUpdate: 1500,
animationEasingUpdate: 'quinticInOut',
series : [
{
type: 'graph',
layout: 'none',
// progressiveThreshold: 700,
data:[
<%
Plane[] planes2 =new Plane[planes.size()/30];
for(int i=0 ; i<(planes2.length ); i++)
{
planes2[i]=planes.get(i);
int num=Integer.parseInt(planes2[i].getNum());
%>
{
x: Math.floor(Math.random()*xRange),
y: Math.floor(Math.random()*yRange),
name:'<%=planes2[i].getStart()%>',
symbolSize: <%=num/10000%>,
itemStyle: {
normal: {
color:'#'+Math.floor(Math.random()*0xffffff).toString(16)
}
} },
<%
}
%> ],
edges: [
<%
HangXian[] hangXians2=new HangXian[hangXians.size()];
for(int j=0;j<hangXians2.length;j++){
hangXians2[j]=hangXians.get(j);
%>
{
source:'<%=hangXians2[j].getStart()%>',
target:'<%=hangXians2[j].getEnd()%>',
},
<%
}
%>
],
label: {
emphasis: {
position: 'right',
show: true
}
},
roam: true,
focusNodeAdjacency: true,
lineStyle: {
normal: {
width: 0.5,
curveness: 0.3,
opacity: 0.7
}
}
}
]
}; // 为echarts对象加载数据
myChart.setOption(option);
</script>
</body>
</html>