For example, there is an ArrayListalnewArrayList (); al stores several user objects: After the database connection is obtained, execute the following operations: Statementstct. createStatement (); for (inti0; ial. size (); I) {Useru (User) al. get (I); sm. addBatch (insertintouservalues
For example, there is an ArrayList al = new ArrayList (); al stores several user objects: After the database connection is obtained, execute the following operations: Statement st = ct. createStatement (); for (int I = 0; ial. size (); I) {User u = (User) al. get (I); sm. addBatch (insert into user values
For example, there is an ArrayList al = new ArrayList ();
Al contains several user objects:
After obtaining the database connection, perform the following operations:
Statement st = ct. createStatement ();
For (int I = 0; I
User u = (User) al. get (I );
Sm. addBatch ("insert into user values ('" + u. getUsername + "','" + u. getPasswd () + "','" + u. getGrade () + "')");
}
Sm.exe cuteBatch ();