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          一:無(wú)返回值的存儲(chǔ)過(guò)程

          存儲(chǔ)過(guò)程為:

          CREATE OR REPLACE PROCEDURE TESTA(PARA1 IN VARCHAR2,PARA2 IN VARCHAR2)  AS

          BEGIN

             INSERT INTO HYQ.B_ID (I_ID,I_NAME) VALUES (PARA1, PARA2);

          END TESTA;

          然后呢,在java里調(diào)用時(shí)就用下面的代碼:

          package com.hyq.src;

          import java.sql.*;

          import java.sql.ResultSet;

          public class TestProcedureOne {

            public TestProcedureOne() {

            }

            public static void main(String[] args ){

              String driver = "oracle.jdbc.driver.OracleDriver";

              String strUrl = "jdbc:oracle:thin:@127.0.0.1:1521: hyq ";

              Statement stmt = null;

              ResultSet rs = null;

              Connection conn = null;

              CallableStatement cstmt = null;

              try {

                Class.forName(driver);

                conn =  DriverManager.getConnection(strUrl, " hyq ", " hyq ");

                CallableStatement proc = null;

                proc = conn.prepareCall("{ call HYQ.TESTA(?,?) }");

                proc.setString(1, "100");

                proc.setString(2, "TestOne");

                proc.execute();

              }

              catch (SQLException ex2) {

                ex2.printStackTrace();

              }

              catch (Exception ex2) {

                ex2.printStackTrace();

              }

              finally{

                try {

                  if(rs != null){

                    rs.close();

                    if(stmt!=null){

                      stmt.close();

                    }

                    if(conn!=null){

                      conn.close();

                    }

                  }

                }

                catch (SQLException ex1) {

                }

              }

            }

          }

          當(dāng)然了,這就先要求要建張表TESTTB,里面兩個(gè)字段(I_IDI_NAME)。

          二:有返回值的存儲(chǔ)過(guò)程(非列表)

          存儲(chǔ)過(guò)程為:

          CREATE OR REPLACE PROCEDURE TESTB(PARA1 IN VARCHAR2,PARA2 OUT VARCHAR2)  AS

          BEGIN

             SELECT INTO PARA2 FROM TESTTB WHERE I_ID= PARA1;

          END TESTB;

          java里調(diào)用時(shí)就用下面的代碼:

          package com.hyq.src;

          public class TestProcedureTWO {

            public TestProcedureTWO() {

            }

            public static void main(String[] args ){

              String driver = "oracle.jdbc.driver.OracleDriver";

              String strUrl = "jdbc:oracle:thin:@127.0.0.1:1521:hyq";

              Statement stmt = null;

              ResultSet rs = null;

              Connection conn = null;

              try {

                Class.forName(driver);

                conn =  DriverManager.getConnection(strUrl, " hyq ", " hyq ");

                CallableStatement proc = null;

                proc = conn.prepareCall("{ call HYQ.TESTB(?,?) }");

                proc.setString(1, "100");

                proc.registerOutParameter(2, Types.VARCHAR);

                proc.execute();

                String testPrint = proc.getString(2);

                System.out.println("=testPrint=is="+testPrint);

              }

              catch (SQLException ex2) {

                ex2.printStackTrace();

              }

              catch (Exception ex2) {

                ex2.printStackTrace();

              }

              finally{

                try {

                  if(rs != null){

                    rs.close();

                    if(stmt!=null){

                      stmt.close();

                    }

                    if(conn!=null){

                      conn.close();

                    }

                  }

                }

                catch (SQLException ex1) {

                }

              }

            }

          }

          }

          注意,這里的proc.getString(2)中的數(shù)值2并非任意的,而是和存儲(chǔ)過(guò)程中的out列對(duì)應(yīng)的,如果out是在第一個(gè)位置,那就是proc.getString(1),如果是第三個(gè)位置,就是proc.getString(3),當(dāng)然也可以同時(shí)有多個(gè)返回值,那就是再多加幾個(gè)out參數(shù)了。

          三:返回列表

          由于oracle存儲(chǔ)過(guò)程沒(méi)有返回值,它的所有返回值都是通過(guò)out參數(shù)來(lái)替代的,列表同樣也不例外,但由于是集合,所以不能用一般的參數(shù),必須要用pagkage.所以要分兩部分,

          1,  建一個(gè)程序包。如下:

          CREATE OR REPLACE PACKAGE TESTPACKAGE AS

          TYPE Test_CURSOR IS REF CURSOR;

          end TESTPACKAGE;

          2,建立存儲(chǔ)過(guò)程,存儲(chǔ)過(guò)程為:

          CREATE OR REPLACE PROCEDURE TESTC(p_CURSOR out TESTPACKAGE.Test_CURSOR) IS

          BEGIN

              OPEN p_CURSOR FOR SELECT * FROM HYQ.TESTTB;

          END TESTC;

          可以看到,它是把游標(biāo)(可以理解為一個(gè)指針),作為一個(gè)out 參數(shù)來(lái)返回值的。

          java里調(diào)用時(shí)就用下面的代碼:

          package com.hyq.src;

          import java.sql.*;

          import java.io.OutputStream;

          import java.io.Writer;

          import java.sql.PreparedStatement;

          import java.sql.ResultSet;

          import oracle.jdbc.driver.*;

          public class TestProcedureTHREE {

            public TestProcedureTHREE() {

            }

            public static void main(String[] args ){

              String driver = "oracle.jdbc.driver.OracleDriver";

              String strUrl = "jdbc:oracle:thin:@127.0.0.1:1521:hyq";

              Statement stmt = null;

              ResultSet rs = null;

              Connection conn = null;

              try {

                Class.forName(driver);

                conn =  DriverManager.getConnection(strUrl, "hyq", "hyq");

                CallableStatement proc = null;

                proc = conn.prepareCall("{ call hyq.testc(?) }");

                proc.registerOutParameter(1,oracle.jdbc.OracleTypes.CURSOR);

                proc.execute();

                rs = (ResultSet)proc.getObject(1);

                while(rs.next())

                {

                    System.out.println("<tr><td>" + rs.getString(1) + "</td><td>"+rs.getString(2)+"</td></tr>");

                }

              }

              catch (SQLException ex2) {

                ex2.printStackTrace();

              }

              catch (Exception ex2) {

                ex2.printStackTrace();

              }

              finally{

                try {

                  if(rs != null){

                    rs.close();

                    if(stmt!=null){

                      stmt.close();

                    }

                    if(conn!=null){

                      conn.close();

                    }

                  }

                }

                catch (SQLException ex1) {

                }

              }

            }

          }

          在這里要注意,在執(zhí)行前一定要先把oracle的驅(qū)動(dòng)包放到class路徑里,否則會(huì)報(bào)錯(cuò)的。

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