JAVA调用oracle三种存储过程实例

创建测试用表：
CREATE TABLE T_TEST(
I_ID NVARCHAR(20),
I_NAME NVARCHAR(20)
)
一：无返回值的存储过程
1、在SQL*PLUS中建立存储过程：

CREATE OR REPLACE PROCEDURE TESTA(PARA1 IN VARCHAR2,PARA2 IN VARCHAR2)  AS
BEGIN
   INSERT INTO T_TEST (I_ID,I_NAME) VALUES (PARA1, PARA2)
END TESTA;

2、相应的JAVA程序：
package com.my.test;
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 TestProcedureOne ...{
    public TestProcedureOne() ...{
      }
      public static void main(String[] args )...{
        String driver = "oracle.jdbc.driver.OracleDriver";
        String strUrl = "jdbc:oracle:thin:@192.168.10.216:1521:ctbu";
        Statement stmt = null;
        ResultSet rs = null;
        Connection conn = null;
        CallableStatement cstmt = null;
        try ...{
          Class.forName(driver);
          conn =  DriverManager.getConnection(strUrl, "dbname", "password");
          CallableStatement proc = null;
          proc = conn.prepareCall("{ call dbname.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) ...{
          }
        }
      }
    }
二：有返回值的存储过程（非列表）
1、存储过程为：
CREATE OR REPLACE PROCEDURE TESTB(PARA1 IN VARCHAR2,PARA2 OUT VARCHAR2)  AS
BEGIN
   SELECT INTO PARA2 FROM TESTTB WHERE I_ID= PARA1;
END TESTB;
2、JAVA代码：
package com.my.test;
public class TestProcedureTWO ...{
  public TestProcedureTWO() ...{
  }
  public static void main(String[] args )...{
    String driver = "oracle.jdbc.driver.OracleDriver";
    String strUrl = "jdbc:oracle:thin:@192.168.10.216:1521:ctbu";
    Statement stmt = null;
    ResultSet rs = null;
    Connection conn = null;
    try ...{
      Class.forName(driver);
      conn =  DriverManager.getConnection(strUrl, "dbname", "password");
      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=WIDTH: 8.25pt; HEIGHT: 12pt" alt="" type="#_x0000_t75">    }
    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，这里的proc.getString(2)中的数值2并非任意的，而是和存储过程中的out列对应的，如果out是在第一个位置，那就是proc.getString(1)，如果是第三个位置，就是proc.getString(3)，当然也可以同时有多个返回值，那就是再多加几个out参数了。

三：返回列表
由于oracle存储过程没有返回值，它的所有返回值都是通过out参数来替代的，列表同样也不例外，但由于是集合，所以不能用一般的参数，必须要用pagkage了.所以要分两部分。
1、在SQL*PLUS中建一个程序包
CREATE OR REPLACE PACKAGE TESTPACKAGE  AS  
TYPE Test_CURSOR IS REF CURSOR;
procedure TESTC(cur_ref out Test_CURSOR);
end TESTPACKAGE;
建立存储过程，存储过程为：

create or replace package body TESTPACKAGE as
procedure TESTC(cur_ref out Test_CURSOR) is
begin  
OPEN cur_ref FOR SELECT * FROM T_TEST;
end TESTC;
END TESTPACKAGE;
可以看到，它是把游标（可以理解为一个指针），作为一个out 参数来返回值的。
JAVA程序如下：
package com.my.test;
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 TestProcedureOne ...{
    public TestProcedureOne() ...{
      }
      public static void main(String[] args )...{
        String driver = "oracle.jdbc.driver.OracleDriver";
        String strUrl = "jdbc:oracle:thin:@192.168.10.216:1521:ctbu";
        Statement stmt = null;
        ResultSet rs = null;
        Connection conn = null;
        CallableStatement cstmt = null;
        try ...{
          Class.forName(driver);
          conn = DriverManager.getConnection(strUrl,"databasename" "password");
          CallableStatement proc = null;
          proc = conn.prepareCall("{ call cqsb.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) ...{
          }
        }
      }
    }
特别注意：
1、在执行前一定要先把oracle的驱动包放到class路径里。
2、Toad在我建立存储过程中搞了很多莫名的错误，多数是没有创建成功而不报错，或者是创建有误而不提示，应当引起重视。所以最好还是在SQL*PLUS玩这些。
3、在SQL*PLUS中的换行是无效的，要换行的时候一定要空格结尾，特别是你直接复制代码的时候！