java图书分析echarts_Java版ECharts图表库ECharts-Java的使用(基于springmvc)

package com.cn.stephen.echarts.service;

import java.util.HashMap;

import java.util.Map;

import org.springframework.stereotype.Service;

import com.github.abel533.echarts.Option;

import com.github.abel533.echarts.axis.CategoryAxis;

import com.github.abel533.echarts.axis.ValueAxis;

import com.github.abel533.echarts.code.Magic;

import com.github.abel533.echarts.code.Tool;

import com.github.abel533.echarts.feature.MagicType;

import com.github.abel533.echarts.json.GsonOption;

import com.github.abel533.echarts.series.Bar;

import com.github.abel533.echarts.style.ItemStyle;

import com.github.abel533.echarts.style.itemstyle.Normal;

@Service

public class ChartService {

public Option getBarChart(boolean isHorizontal) {

String[] citis = { "广州", "深圳", "珠海", "汕头", "韶关", "佛山" };

int[] datas = { 6030, 7800, 5200, 3444, 2666, 5708 };

String[] colors = { "rgb(2,111,230)", "rgb(186,73,46)", "rgb(78,154,97)", "rgb(2,111,230)", "rgb(186,73,46)",

"rgb(78,154,97)" };

String title = "地市数据";

// 底层调用gson的类

GsonOption option = new GsonOption();

option.title(title);

/*

* 工具栏(Tool.mark数据视图，Tool.mark辅助线，

* MagicType图切换，Tool.restore还原，Tool.saveAsImage保存为图片

*/

option.toolbox().show(true).feature(Tool.mark, Tool.dataView, new MagicType(Magic.line, Magic.bar),

Tool.restore, Tool.saveAsImage);

// 显示工具提示,设置提示格式

option.tooltip().show(true).formatter("{a}
{b} : {c}");

// 图例

option.legend(title);

Bar bar = new Bar(title);

CategoryAxis category = new CategoryAxis();// 轴分类

// 轴数据

category.data(citis);

for (int i = 0; i < citis.length; i++) {

Map map = new HashMap(2);

map.put("value", datas[i]);

map.put("itemStyle", new ItemStyle().normal(new Normal().color(colors[i])));

bar.data(map);

}

if (isHorizontal) {// 横轴为类别、纵轴为值

option.xAxis(category);// x轴

option.yAxis(new ValueAxis());// y轴

} else {// 横轴为值、纵轴为类别

option.xAxis(new ValueAxis());// x轴

option.yAxis(category);// y轴

}

option.series(bar);

return option;

}

}