Revert "jdao是一个java的轻量级orm工具�"

This reverts commit 1de6d6113649b6b187711d02386985d803d15572.
Revert "Revert "jdao是一个java的轻量级orm工具�""

This reverts commit 9016fdb8bf9722fea409e212472b2600cc894458.