静态Map类型变量赋初始值

private static Map<String,String> sysTypeList = new HashMap<String, String>();  
    static {
        sysTypeList.put("1", "系统参数");
        sysTypeList.put("2", "接口参数");
        sysTypeList.put("3", "系统功能");
        sysTypeList.put("4", "设备平台");
    }