保存调用者的当前键访问权限（保存于 AMR 中）。

Save the caller's current key access rights (held in the AMR).

youdao

这个简单示例可检查在编写新数据之前当前键中是否已经有一个项，以避免因存在具有此键的数据而发生的异常。

This trivial example checks whether an entry already exists with the current key before writing new data, in order to avoid an exception that would occur if data with this key already existed.

youdao

这将打开一个向导，可帮助您选择要绑定到当前所选键的业务项目及其属性。

This opens a wizard in which you can select the business item and its attribute to bind to the currently selected key.

youdao