使用jacob写MS Project

@PostMapping("/createMpp")
    public String createMpp(@RequestBody JSONObject jsonParam) {

        String fileName = (String)jsonParam.get("fileName");
        if(fileName==null||fileName.equals("")) {
            return "fileName is not null";
        }
        try {
            Tasks dd = new Tasks();
            Boolean rs = dd.create(fileName);
            if(rs){
                return "ok";
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return "error";
    }

package com.ppt.jacob.common;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;

public class Tasks {
    private static void setTaskValue(Dispatch task, TaskBean taskBean, int level) {
        Dispatch.put(task, "Name", taskBean.getName());
        Dispatch.put(task, "Duration", 1);
        Dispatch.put(task, "Start", "2018年1月1日");
        Dispatch.put(task, "Finish", "2018年3月1日");
        Dispatch.put(task, "PercentWorkComplete", "11");
        Dispatch.put(task, "OutlineLevel", level);
    }

    public boolean create(String fileName) {

        ActiveXComponent app = null;
        try {
            app = new ActiveXComponent("MSProject.Application");
            app.setProperty("Visible", new Variant(false));
            Dispatch projects = app.getProperty("Projects").toDispatch();
            //添加一个项目
            Dispatch project = Dispatch.call(projects, "Add").toDispatch();
            //生成一个task集合
            Dispatch tasks = Dispatch.get(project, "Tasks").toDispatch();
            for (int i = 0; i < 10; i++) {
                Dispatch task = Dispatch.call(tasks, "Add").toDispatch();
                TaskBean taskBean = TaskBean.builder().name("name" + i).build();
                setTaskValue(task, taskBean, 1);
            }

            StringBuilder name = new StringBuilder("E:/test/");
            name.append(fileName).append(".mpp");
            Dispatch.invoke(project, "SaveAs", Dispatch.Method, new Object[]{name.toString(), new Variant(0)}, new int[1]);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (app != null)
                app.invoke("Quit", new Variant[]{});
        }
        return true;
    }
}