如何在Gams中通过API Java运行gms模型，并在文件中设置数据文件夹

import gams.GAMSException;
import gams.GAMSJob;
import gams.GAMSWorkspace;
import gams.GAMSWorkspaceInfo;
import gams.Parameter;
import gams.Variable;

GAMSWorkspaceInfo wsInfo = new GAMSWorkspaceInfo();
wsInfo.setWorkingDirectory("工作目录路径");
wsInfo.setDataDirectory("数据文件夹路径");
GAMSWorkspace ws = new GAMSWorkspace(wsInfo);

GAMSJob job = ws.addJobFromFile("模型文件路径");

Parameter param = job.getParameter("参数名称");
param.set("参数值");

Variable var = job.getVariable("变量名称");
var.set("变量值");

job.run();

Variable resultVar = job.getVariable("结果变量名称");
String result = resultVar.getFirstRecord().toString();
System.out.println("结果：" + result);

ws.close();