Java 创建属性文件

public static void saveDataStorageOptions(String projName,DataStorageModel azureData) {
		try {
			IProject newProject = ResourcesPlugin.getWorkspace().getRoot()
					.getProject(projName);
			Properties prop = new Properties();

			prop.put("data_storage.connection",azureData.getDataStorageConnection());
			prop.put("data_storage.username",azureData.getAccountName() );
			prop.put("data_storage.password",azureData.getAccountKey() );
			prop.put("sql_azure.enabled",String.valueOf(azureData.isSQLAzure()));
			prop.put("sql_azure.host",azureData.getHost() );
			prop.put("sql_azure.username",azureData.getUserName() );
			prop.put("sql_azure.password",azureData.getPassWord() );
			prop.put("appfabric.enabled",String.valueOf(azureData.isAppFabric()));
			
			prop.store(new FileOutputStream(newProject.getLocation()
					.toOSString()
					+ System.getProperty("file.separator")
					+ "config.properties"), "description");
		} catch (Exception e) {
			e.printStackTrace();
		}
	}