应用程序来跟踪用户名、密码等。使用SQL数据库。1。添加代码来迫使用户输入用户名和密码登录2。添加代码来允许用户选择CredKeeper驱动器和目录3。添加代码来允许用户选择CredKeeper备份驱动器和目录4。添加代码不允许浏览器打开如果没有url相关记录。显示一个消息框来影响……5。添加一个关键字段到数据库构建身份6。固定版本代码7。添加代码来检查是否安装过-Application to track the user name, password, and so on. Using SQL database. 1. Add code to force the user to enter a user name and password 2. Add code to allow the user to select the drive and directory CredKeeper 3. Add code to allow the user to select CredKeeper backup drive and directory 4. Add code does not allow the browser to open url if no related records. A message box appears to influence ...... 5. Add a key field in the database to build identity 6. Fixed version code 7. Add code to check if installed