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

視頻課：https://edu.csdn.net/course/play/7940

分頁存儲(chǔ)過程

create or replace procedure pro_emp( --傳入表名 v_in_tableName in varchar2, --傳人每頁顯示幾條記錄 v_in_pageSize in number, --傳入顯示第幾頁的記錄 v_in_pageNow in number, --輸出總共多少頁 v_out_pageCount out number, --輸出總共有多少條記錄 v_out_myRows out number, --輸出當(dāng)頁的記錄 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里字符串用單引號(hào)，賦值用:=，連接用|| 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; --將執(zhí)行結(jié)果寫入v_out_myRows execute immediate v_sql into v_out_myRows; --注意oracle里取余必須用mod()函數(shù)，判斷是否等于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代碼調(diào)用sql存儲(chǔ)過程;

public static void main(String[] args) { Connection conn=null; CallableStatement cstmt=null; ResultSet rs=null; try{ //注冊(cè)驅(qū)動(dòng) Class.forName("oracle.jdbc.driver.OracleDriver"); //獲取連接 conn=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORA","scott","tiger"); //調(diào)用存儲(chǔ)過程 cstmt=conn.prepareCall("{call pro_emp(?,?,?,?,?,?)}"); //對(duì)?賦值 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); //執(zhí)行 cstmt.execute(); //獲取結(jié)果 int myCounts=cstmt.getInt(4); System.out.println("總頁數(shù)為："+myCounts); int myRows=cstmt.getInt(5); System.out.println("總記錄數(shù)為："+myRows); rs=(ResultSet)cstmt.getObject(6); while(rs.next()){ System.out.println("用戶名為："+rs.getString(2)+" 職位為："+rs.getString(3)+" 薪水為"+rs.getInt(6)); } } catch(Exception e){ e.printStackTrace(); } finally{ try{ //逆序關(guān)閉資源 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{ //注冊(cè)驅(qū)動(dòng) Class.forName("oracle.jdbc.driver.OracleDriver"); //獲取連接 conn=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORA","scott","tiger"); //調(diào)用存儲(chǔ)過程 cstmt=conn.prepareCall("{call pro_emp(?,?,?,?,?,?)}"); //對(duì)?賦值 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); //執(zhí)行 cstmt.execute(); //獲取結(jié)果 int myCounts=cstmt.getInt(4); System.out.println("總頁數(shù)為："+myCounts); int myRows=cstmt.getInt(5); System.out.println("總記錄數(shù)為："+myRows); rs=(ResultSet)cstmt.getObject(6); while(rs.next()){ System.out.println("用戶名為："+rs.getString(2)+" 職位為："+rs.getString(3)+" 薪水為"+rs.getInt(6)); } } catch(Exception e){ e.printStackTrace(); } finally{ try{ //逆序關(guān)閉資源 rs.close(); cstmt.close(); conn.close(); } catch(Exception e1){ e1.printStackTrace(); } } }

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