报表->基本->sql数据源->自定义数据源的位置上写入以下脚本
(function () {
    var DRDataSource = Packages.cn.myapps.runtime.report.model.DRDataSource;  //系统自定义类
    var BigDecimal = Packages.java.math.BigDecimal;
    var Double = Packages.java.lang.Double;
    var dataSource = new DRDataSource("A", "B", "C", "D", "E"); //新建一个类的实例
    dataSource.add("chain", new Double(350), new Double(300), new Double(200), new Double(200));
    dataSource.add("abel", new Double(300), new Double(500), new Double(200), new Double(600));
    dataSource.add("quan", new Double(450), new Double(250), new Double(300), new Double(200));
    return dataSource; //返回实例
})()
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