create or replace package mypack  
  2  as  
  3  type emp_cursor is ref cursor;  
  4  end mypack;

视频课：https://edu.csdn.net/course/play/7940

分页存储过程

create or replace procedure pro_emp(  
--传入表名  
v_in_tableName in varchar2,  
--传人每页显示几条记录  
v_in_pageSize in number,  
--传入显示第几页的记录  
v_in_pageNow in number,  
--输出总共多少页  
v_out_pageCount out number,  
--输出总共有多少条记录  
v_out_myRows out number,  
--输出当页的记录  
p_cursor out mypack.emp_cursor)  
as  
v_sql varchar2(1000);  
v_begin number(4):=(v_in_pageNow-1)*v_in_pageSize+1;  
v_end number(4):=v_in_pageNow*v_in_pageSize;  
begin  
--oracle里字符串用单引号，赋值用:=，连接用||  
v_sql:='select * from (select t.*,rownum rn from (select * from '||v_in_tableName||' ) t where rownum<='||v_end||' ) where rn>='||v_begin;  
open p_cursor for v_sql;  
v_sql:='select count(*) from '||v_in_tableName;  
--将执行结果写入v_out_myRows  
execute immediate v_sql into v_out_myRows;  
--注意oracle里取余必须用mod()函数，判断是否等于0用=，不是==  
if mod(v_out_myRows,v_in_pageSize)=0 then  
v_out_pageCount:=v_out_myRows/v_in_pageSize;  
else  
v_out_pageCount:=v_out_myRows/v_in_pageSize+1;  
end if;  
--close p_cursor;  
end pro_emp;  
/  

java代码调用sql存储过程;

public static void main(String[] args) {  
        Connection conn=null;  
        CallableStatement cstmt=null;  
        ResultSet rs=null;  
        try{  
            //注册驱动  
            Class.forName("oracle.jdbc.driver.OracleDriver");  
            //获取连接  
            conn=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORA","scott","tiger");  
            //调用存储过程  
            cstmt=conn.prepareCall("{call pro_emp(?,?,?,?,?,?)}");  
            //对?赋值  
            cstmt.setString(1, "EMP");  
            cstmt.setInt(2, 3);  
            cstmt.setInt(3, 2);  
            cstmt.registerOutParameter(4, oracle.jdbc.OracleTypes.INTEGER);  
            cstmt.registerOutParameter(5, oracle.jdbc.OracleTypes.INTEGER);  
            cstmt.registerOutParameter(6, oracle.jdbc.OracleTypes.CURSOR);    
            //执行  
            cstmt.execute();  
            //获取结果  
            int myCounts=cstmt.getInt(4);  
            System.out.println("总页数为："+myCounts);  
            int myRows=cstmt.getInt(5);  
            System.out.println("总记录数为："+myRows);  
            rs=(ResultSet)cstmt.getObject(6);  
            while(rs.next()){  
                System.out.println("用户名为："+rs.getString(2)+" 职位为："+rs.getString(3)+" 薪水为"+rs.getInt(6));  
            }  
        }  
        catch(Exception e){  
            e.printStackTrace();  
        }  
        finally{  
            try{  
                //逆序关闭资源  
                rs.close();  
                cstmt.close();  
                conn.close();  
            }  
            catch(Exception e1){  
                e1.printStackTrace();  
            }  
        }  
    }  
}  
[java] view plain copy
import java.sql.*;  
  
public class oracleFenYe {  
    public static void main(String[] args) {  
        Connection conn=null;  
        CallableStatement cstmt=null;  
        ResultSet rs=null;  
        try{  
            //注册驱动  
            Class.forName("oracle.jdbc.driver.OracleDriver");  
            //获取连接  
            conn=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORA","scott","tiger");  
            //调用存储过程  
            cstmt=conn.prepareCall("{call pro_emp(?,?,?,?,?,?)}");  
            //对?赋值  
            cstmt.setString(1, "EMP");  
            cstmt.setInt(2, 3);  
            cstmt.setInt(3, 2);  
            cstmt.registerOutParameter(4, oracle.jdbc.OracleTypes.INTEGER);  
            cstmt.registerOutParameter(5, oracle.jdbc.OracleTypes.INTEGER);  
            cstmt.registerOutParameter(6, oracle.jdbc.OracleTypes.CURSOR);    
            //执行  
            cstmt.execute();  
            //获取结果  
            int myCounts=cstmt.getInt(4);  
            System.out.println("总页数为："+myCounts);  
            int myRows=cstmt.getInt(5);  
            System.out.println("总记录数为："+myRows);  
            rs=(ResultSet)cstmt.getObject(6);  
            while(rs.next()){  
                System.out.println("用户名为："+rs.getString(2)+" 职位为："+rs.getString(3)+" 薪水为"+rs.getInt(6));  
            }  
        }  
        catch(Exception e){  
            e.printStackTrace();  
        }  
        finally{  
            try{  
                //逆序关闭资源  
                rs.close();  
                cstmt.close();  
                conn.close();  
            }  
            catch(Exception e1){  
                e1.printStackTrace();  
            }  
        }  
    }