DEV/QA/PROD Envs Switch Without Modifying Code_dev qa prod csdn-优快云博客

本文链接：https://blog.youkuaiyun.com/Zoya_R/article/details/106276314

本文介绍了一种不修改代码即可在DEV、QA、PROD环境中切换配置的方法。通过在application.properties文件中声明当前环境，并根据不同环境加载特定的属性文件，实现灵活的环境配置管理。此外，还展示了如何在开发环境使用模拟数据，而在生产环境中使用真实数据。

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DEV/QA/PROD Envs Switch Without Modifying Code

application.properties

# announce your current env here in application.properties, and there must be different properties files in different env.(in the same relative path)
cur_env=DEV

LocalPropertyUtil.class

    public static String getProperty(String propertyName) {
        Properties p = new Properties();
        try {
            Properties props = System.getProperties();
            String homepath = props.getProperty("user.home");

            FileInputStream fileInputStream = null;
            if (props.getProperty("os.name").toLowerCase().contains("windows")) {
                fileInputStream = new FileInputStream(new File("..\\config\\application.properties"));
            } else if (props.getProperty("os.name").toLowerCase().contains("mac")) {
                // no
            } else if (homepath.toLowerCase().contains("jenkins_home")) {
                fileInputStream = new FileInputStream(new File("your ABS path of application.properties on jenkins "));
            } else {
                fileInputStream = new FileInputStream(new File("your ABS path of application.properties on other server"));
            }
            p.load(fileInputStream);
            fileInputStream.close();
        } catch (IOException e1) {
            logger.error("Exception", e1);
        }

        return p.getProperty(propertyName);
    }

Service.Class

# if you must use a mock data in your dev environment, and it will be real data in production environment, you can do it like this.

Model model = new Model();
if (LocalPropertyUtil.getProperty("cur_env").equalsIgnoreCase(ConstantDefine.ENV.PROD)) {
     model = getRealData();
}else {
     model.setId("762980");
}