design/designer_base/src/com/fr/start/Demo.java

package com.fr.start;


import com.fr.base.FRContext;
import com.fr.stable.OperatingSystem;
import com.fr.stable.StableUtils;

import java.io.IOException;

public class Demo {
	public static void main(String[] args) {
		String installHome = StableUtils.getInstallHome();
		if (installHome == null) {
			FRContext.getLogger().error("Can not find the install home, please check it.");
			return;
		}

        String executorPath;

        if (OperatingSystem.isMacOS()) {
            executorPath = StableUtils.pathJoin(installHome, "bin", "designer.app --args demo");
        } else {
            executorPath = StableUtils.pathJoin(installHome, "bin", "designer.exe demo");
        }
		if (!new java.io.File(executorPath).exists()) {
			FRContext.getLogger().error(executorPath + " can not be found.");
		}

        if (OperatingSystem.isMacOS()) {
        	ProcessBuilder builder = new ProcessBuilder();
            builder.command("open -a", executorPath);
            try {
                builder.start();
            } catch (IOException e) {
                FRContext.getLogger().error(e.getMessage(), e);
            }
        } else {
        	// ProcessBuilder这种方式在window下报错：系统找不到指定文件
        	Runtime rt = Runtime.getRuntime();
        	try {
				rt.exec(executorPath);
			} catch (IOException e) {
				FRContext.getLogger().error(e.getMessage(), e);
			}
        }

		System.exit(0);
	}
}