QueryRunner

来源：9-2 项目作业

scandinavian

2020-07-28 16:02:00

    private static QueryRunner getQueryRunner() throws Exception{
        Properties properties = new Properties();
        String propertyFile = NewsApp.class.getResource("/druid-config.properties").getPath();
        QueryRunner qr = null ;
        try {
            propertyFile = new URLDecoder().decode(propertyFile, "UTF-8");
            properties.load(new FileInputStream(propertyFile));
            DataSource dataSource = DruidDataSourceFactory.createDataSource(properties);
            qr = new QueryRunner(dataSource);

        } catch (Exception e) {
            e.printStackTrace();
        }
        return qr;   // 请问老师 return QueryRunner instance 是应该写在这里还是写在 try 里 ？？？ thx
    }

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