如何拼接FusionCharts的JSON格式的双轴图

1、问题背景

假如,项目中遇到这样一个问题:利用FusionCharts中的JSON格式拼接双轴图,并将JSON字符串转换成JSON对象传输到前台,,在页面上展示出来。

2、设计源码

/** * * @title:DoubleYaxis.java * @Package:com.you.utils * @Description:<h3>一句话描述功能</h3> * @author:游海东 * @date:2015-3-25下午8:06:57 * @version V1.0 * */package com.you.utils;import net.sf.json.JSONObject;/** * * 项目名称:SSH * 类名称:DoubleYaxis * 类描述: * 创建人:游海东 * 创建时间:2015-3-25下午8:06:57 * 修改人:游海东 * 修改时间:2015-3-25下午8:06:57 * 修改备注: * @version V1.0 * */public class DoubleYaxis {/** * * 方法名:transform * 方法类型:ChartUtils * 参数:@param str * 参数:@return * @return:StringBuilder * @throws */public static StringBuilder transform(String str){return new StringBuilder(str);}/** * * 方法名:buildJson * 方法类型:DoubleYaxis * 参数:@return * @return :JSONObject * @throws */public static JSONObject buildJson(){StringBuilder chartHead = new StringBuilder();StringBuilder xAxis = new StringBuilder();StringBuilder yAxisOne = new StringBuilder();StringBuilder yAxisTwo = new StringBuilder();//FusionChart中的chartchartHead.append("{'chart':{'caption':'2014年销售水平分布','xaxisname':'月份','yaxisname':'销量','showvalues':'0'},'categories':[{'category':[");for(int i=1;i<=12;i++){xAxis.append("{'label':'").append(i).append("月'},");}yAxisOne.append("'dataset':[{'seriesname':'苹果','data':[");yAxisTwo.append("{'seriesname':'橘子','parentyaxis':'S','data':[");for(int j=1;j<=12;j++){yAxisOne.append("{'value':'").append(j*100).append("'},");yAxisTwo.append("{'value':'").append(j*200).append("'},");}chartHead.append(xAxis.toString().substring(0, xAxis.toString().length()-1)).append("]}],").append(yAxisOne.toString().substring(0, yAxisOne.length()-1)).append("]},").append(yAxisTwo.toString().substring(0, yAxisTwo.length()-1)).append("]}]}");JSONObject jsonobject = JSONObject.fromObject(chartHead.toString());return jsonobject;}/** * * 方法名:main * 方法类型:DoubleYaxis * 参数:@param args * @return :void * @throws */public static void main(String[] args) {System.out.println("FusionChart多系列图之双轴图:"+buildJson());}}运行结果:FusionChart多系列图之双轴图:{"chart":{"caption":"2014年销售分布","xaxisname":"月份","yaxisname":"销量","showvalues":"0"},"categories":[{"category":[{"label":"1月"},{"label":"2月"},{"label":"3月"},{"label":"4月"},{"label":"5月"},{"label":"6月"},{"label":"7月"},{"label":"8月"},{"label":"9月"},{"label":"10月"},{"label":"11月"},{"label":"12月"}]}],"dataset":[{"seriesname":"苹果","data":[{"value":"100"},{"value":"200"},{"value":"300"},{"value":"400"},{"value":"500"},{"value":"600"},{"value":"700"},{"value":"800"},{"value":"900"},{"value":"1000"},{"value":"1100"},{"value":"1200"}]},{"seriesname":"橘子","parentyaxis":"S","data":[{"value":"200"},{"value":"400"},{"value":"600"},{"value":"800"},{"value":"1000"},{"value":"1200"},{"value":"1400"},{"value":"1600"},{"value":"1800"},{"value":"2000"},{"value":"2200"},{"value":"2400"}]}]}3、格式化后{"chart": {"caption": "2014年销售分布","xaxisname": "销量","yaxisname": "人数","showvalues": "0"},"categories": [{"category": [{"label": "1月"},{"label": "2月"},{"label": "3月"},{"label": "4月"},{"label": "5月"},{"label": "6月"},{"label": "7月"},{"label": "8月"},{"label": "9月"},{"label": "10月"},{"label": "11月"},{"label": "12月"}]}],"dataset": [{"seriesname": "苹果","data": [{"value": "100"},{"value": "200"},{"value": "300"},{"value": "400"},{"value": "500"},{"value": "600"},{"value": "700"},{"value": "800"},{"value": "900"},{"value": "1000"},{"value": "1100"},{"value": "1200"}]},{"seriesname": "橘子","parentyaxis": "S","data": [{"value": "200"},{"value": "400"},{"value": "600"},{"value": "800"},{"value": "1000"},{"value": "1200"},{"value": "1400"},{"value": "1600"},{"value": "1800"},{"value": "2000"},{"value": "2200"},{"value": "2400"}]}]}

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如何拼接FusionCharts的JSON格式的双轴图

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