Lock and case having the same

A case, comprising a lock, wherein the lock comprises a housing, a lock tongue, a key lock mechanism, and a password wheel lock mechanism;

• wherein
• the lock tongue, the key lock mechanism, and the password wheel lock mechanism are sequentially disposed in the housing;
• the password wheel lock mechanism comprises a spindle and a password wheel, and the key lock mechanism comprises a lock core and a lock block;
• when both the password wheel and the lock core are locked, the spindle and the lock block are configured to be locked by the password wheel and the lock core, respectively, the spindle is configured to abut against the lock block, and the lock block is configured to abut against the lock tongue so that the lock tongue is kept in a locking position;
• when the password wheel being unlocked, the spindle is configured to cancel the abutting against the lock block and furthermore the lock block is configured to cancel the abutting against the lock tongue;
• and
• when the lock core being unlocked, the lock block is capable of being driven to move to an avoidance position so that the lock block cancels the abutting against the lock tongue.