String url="jdbc:mysql://127.0.0.1:3306/dongyu";
conn= DriverManager.getConnection(url,"root","");
stmt = conn.createStatement();
rs = stmt.executeQuery("select * from t_statistics order by id");
rs.last();
int totalcount = rs.getRow();
int currentPage = 2;
int resultNum = 5;
int startIndex = (currentPage-1)*resultNum;
rs = stmt.executeQuery("select * from t_statistics limit "+startIndex+","+resultNum+"");
//rs = stmt.executeQuery("select * from t_viscera_picture where id=(select max(id) from t_viscera_picture) for update");
System.out.println("共"+totalcount+"条");
while(rs.next()) {
System.out.println(rs.getString("id"));
}
conn= DriverManager.getConnection(url,"root","");
stmt = conn.createStatement();
rs = stmt.executeQuery("select * from t_statistics order by id");
rs.last();
int totalcount = rs.getRow();
int currentPage = 2;
int resultNum = 5;
int startIndex = (currentPage-1)*resultNum;
rs = stmt.executeQuery("select * from t_statistics limit "+startIndex+","+resultNum+"");
//rs = stmt.executeQuery("select * from t_viscera_picture where id=(select max(id) from t_viscera_picture) for update");
System.out.println("共"+totalcount+"条");
while(rs.next()) {
System.out.println(rs.getString("id"));
}