Java读取CSV用Load命令插入Neo4j与JDBC读取Neo4j数库生成Echarts关系图_如何使用neo4j数据驱动d3.js的力导向图资源-CSDN文库

共6个文件

java：3个

jar：2个

properties：1个

Java

Neo4j

Echarts

jdbc

5星 · 超过95%的资源需积分: 5 89 浏览量 2018-02-06 17:05:38 上传评论 6 收藏 2.9MB ZIP 举报

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收起资源包目录

noe4j.zip （6个子文件）

noe4j

src

jdbc.properties 108B

com

Neo4jQuery.java 13KB

Neo4jLoadCSV.java 4KB

util

JdbcUtil.java 6KB

lib

json-lib-2.4-jdk15.jar 155KB

neo4j-jdbc-driver-3.0.1.jar 3.07MB

package com; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.sql.SQLException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import util.JdbcUtil; import net.sf.json.JSONArray; import net.sf.json.JSONObject; public class Neo4jQuery { public static String[] arr = { "WS", "XZ", "JD", "ZY" }; public static String[] arr2 = { "网省", "细则", "阶段", "专业" }; public static StringBuffer getHtml(String data, String links) { StringBuffer sb = new StringBuffer(); sb.append("\n<!DOCTYPE html>"); sb.append("\n<html style='width:100%;height:100%;'>"); sb.append("\n"); sb.append("\n <head>"); sb.append("\n <meta http-equiv='Content-Type' content='text/html; charset=utf-8'>"); sb.append("\n <title></title>"); sb.append("\n <script src='js/echarts.js'></script>"); sb.append("\n </head>"); sb.append("\n"); sb.append("\n <body style='width:99%;height:97.5%;'>"); sb.append("\n <div style='width:100%;height:100%;'>"); sb.append("\n <div id='main' style='width: 100%;height:100%;'></div>"); sb.append("\n </div>"); sb.append("\n </body>"); sb.append("\n <script>"); sb.append("\n var data = " + data + ";"); sb.append("\n var links = " + links + ";"); sb.append("\n"); sb.append("\n function getSize(value, labels, flag) {"); sb.append("\n var datas = [];"); sb.append("\n for(var key in data) {"); sb.append("\n if(data[key].labels == labels) {"); sb.append("\n datas.push(data[key].value);"); sb.append("\n }"); sb.append("\n }"); sb.append("\n var max = Math.max.apply(null, datas);"); sb.append("\n var size = 0;"); sb.append("\n if(flag > 0) {"); sb.append("\n size = Math.pow(value, flag) * (40 / Math.pow(max, flag));"); sb.append("\n } else if(flag < 0) {"); sb.append("\n size = Math.sqrt(value) * (40 / Math.sqrt(max));"); sb.append("\n }"); sb.append("\n return size + 10;"); sb.append("\n }"); sb.append("\n"); sb.append("\n var myChart = echarts.init(document.getElementById('main'));"); sb.append("\n var option = {"); sb.append("\n tooltip: {"); sb.append("\n show: true,"); sb.append("\n triggerOn: 'mousemove', //mousemove鼠标移至触发，还有click点击触发"); sb.append("\n position: 'right', //提示框浮层的位置"); sb.append("\n confine: false, //是否将 tooltip 框限制在图表的区域内"); sb.append("\n formatter: function(params, ticket, callback) {"); sb.append("\n if('node' == params.dataType) {"); sb.append("\n var str = '';"); sb.append("\n var arr = params.name.split('');"); sb.append("\n var j = 1;"); sb.append("\n for(var i = 0; i < arr.length; i++) {"); sb.append("\n if(j % 29 == 0 || '；' == arr[i] || '。' == arr[i]) {"); sb.append("\n str += arr[i] + '<br/>';"); sb.append("\n j = 1;"); sb.append("\n } else {"); sb.append("\n j++;"); sb.append("\n str += arr[i];"); sb.append("\n }"); sb.append("\n }"); sb.append("\n str += '<br/>关联数量：' + params.value;"); sb.append("\n return myChart.getOption().series[params.seriesIndex].categories[params.data.category].name + ':' + str;"); sb.append("\n }"); sb.append("\n }"); sb.append("\n },"); sb.append("\n toolbox: {"); sb.append("\n show: true,"); sb.append("\n feature: {"); sb.append("\n dataView: { show: true, readOnly: false },"); sb.append("\n restore: { show: true }, //restore，还原，复位原始图表"); sb.append("\n saveAsImage: { show: true } //saveAsImage，保存图片"); sb.append("\n }"); sb.append("\n },"); sb.append("\n color: ['#FF756E', '#68BDF6', '#FFD86E', '#DE9BF9', '#60B58B'],"); sb.append("\n legend: {"); sb.append("\n show: true,"); sb.append("\n left: 'left',"); sb.append("\n align: 'right',"); sb.append("\n orient: 'vertical',"); sb.append("\n icon: 'circle',"); sb.append("\n data: ['网省', '专业', '阶段', '细则'],"); sb.append("\n },"); sb.append("\n series: [{"); sb.append("\n type: 'graph',"); sb.append("\n name: '关联关系图',"); sb.append("\n layout: 'force', //图的布局，类型为力导图，'circular' 采用环形布局"); sb.append("\n force: {"); sb.append("\n initLayout: 'circular', //力引导的初始化布局，默认使用xy轴的标点"); sb.append("\n repulsion: 2500, //节点之间的斥力因子。支持数组表达斥力范围，值越大斥力越大。"); sb.append("\n gravity: 1, //节点受到的向中心的引力因子。该值越大节点越往中心点靠拢。"); sb.append("\n edgeLength: [500, 0] //边的两个节点之间的距离，这个距离也会受 repulsion。[10, 50] 。值越小则长度越长"); sb.append("\n },"); sb.append("\n roam: true, //是否开启鼠标缩放和平移漫游。默认不开启。如果只想要开启缩放或者平移，可以设置成 'scale' 或者 'move'。设置成 true 为都开启"); sb.append("\n //draggable: true, //节点是否可拖拽，只在使用力引导布局的时候有用。"); sb.append("\n focusNodeAdjacency: true, //是否在鼠标移到节点上的时候突出显示节点以及节点的边和邻接节点。"); sb.append("\n // 'circle'(圆形), 'rect'（矩形）, 'roundRect'（圆角矩形）, 'triangle'（三角形）, 'diamond'（菱形）,"); sb.append("\n // 'pin'（大头针）,'arrow'（箭头）也可以通过 'image://url' 设置为图片，其中 url 为图片的链接。'path:// 这种方式可以任意改变颜色并且抗锯齿"); sb.append("\n symbol: 'circle',"); sb.append("\n symbolSize: function(value, data) { //也可以用数组分开表示宽和高，例如 [20, 10] "); sb.append("\n if('MS' == data.data.labels) {"); sb.append("\n return 5;"); sb.append("\n } else if('JD' == data.data.labels) {"); sb.append("\n return 50;"); sb.append("\n } else {"); sb.append("\n //return Math.sqrt(value);//Math.pom(value,2);"); sb.append("\n return getSize(value, data.data.labels, 1);"); sb.append("\n }"); sb.append("\n },"); sb.append("\n edgeSymbol: ['circle', 'arrow'], //边两端的标记类型"); sb.append("\n edgeSymbolSize: [2, 5],"); sb.append("\n lineStyle: {"); sb.append("\n normal: {"); sb.append("\n width: '0.7',"); sb.append("\n type: 'solid', //线的类型 'solid'（实线）'dashed'（虚线）'dotted'（点线）"); sb.append("\n curveness: 0, //线条的曲线程度，从0到1"); sb.append("\n color: 'source',"); sb.append("\n opacity: 0.7"); sb.append("\n }"); sb.append("\n },"); sb.append("\n label: {"); sb.append("\n normal: {"); sb.append("\n show: true,"); sb.append("\n //position: 'right',//相对于节点标签的位置"); sb.append("\n formatter: function(data) {"); sb.append("\n if('MS' == data.data.labels) {"); sb.append("\n return '';"); sb.append("\n } else {"); sb.append("\n return data.data.name;"); sb.append("\n }"); sb.append("\n },"); sb.append("\n textStyle: {"); sb.append("\n color: '#000',"); sb.append("\n fontSize: 16"); sb.append("\n }"); sb.append("\n }"); sb.append("\n },"); sb.append("\n categories: [{ name: '网省'},{ name: '专业'},{ name: '阶段'},{ name: '细则'}],"); sb.append("\n data: data,"); sb.append("\n links: links,"); sb.append("\n }]"); sb.append("\n };"); sb.append("\n myC

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