ResultSet The result set brings back some information

resultset.getmetadata () Gets the structure information of the result set, such as the number of fields, field names, and so on.

resultset.getmetadata (). Gettablename (1) You can return the table name.

resultset.getmetadata (). getColumnCount () Gets the number of columns in the dataset.

[Email protected]
[Email protected]-Field level information:
Db_jsp. T_user (T_user). ID (ID), Mysql type:3
Db_jsp. T_user (T_user). UserName (userName), Mysql type:253
Db_jsp. T_user (T_user). Password (password), Mysql type:253
3
T_user

ResultSet The result set brings back some information