Java调用Oracle存储过程详解

/*测试表*/create table test(  id varchar2(32),  name varchar2(32));/*存储过程 插入数据*/  CREATE OR REPLACE PROCEDURE insert_procedure(  PARA1 IN VARCHAR2,  PARA2 IN VARCHAR2) ASBEGIN INSERT INTO test (id, name) VALUES (PARA1, PARA2);END insert_procedure;/*存储过程 返回结果集*/CREATE OR REPLACE PROCEDURE select_procedure(  para_id IN VARCHAR2,  name OUT sys_refcursor /* 这个sys_refcursor类型在SYS.STANDARD包中 */) ASBEGIN OPEN name FOR  SELECT * FROM test WHERE id = para_id;END;

import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class DBUtil {  public static final String DRIVER = "oracle.jdbc.driver.OracleDriver";  public static final String URL = "jdbc:oracle:thin:@localhost:1521/orcl";  public static final String USERNAME = "pfm";  public static final String PASSWORD = "pfm";  /**   * 通过静态代码块 注册数据库驱动   */  static {    try {      Class.forName(DRIVER);    } catch (ClassNotFoundException e) {      e.printStackTrace();    }  }  /**   * 获得Connection   *    * @return   */  public static Connection getConnection() {    Connection conn = null;    try {      conn = DriverManager.getConnection(URL, USERNAME, PASSWORD);    } catch (SQLException e) {      e.printStackTrace();    }    return conn;  }  /**   * 获得Statement   *    * @return   */  public static Statement getStatement() {    Statement st = null;    try {      st = getConnection().createStatement();    } catch (SQLException e) {      e.printStackTrace();    }    return st;  }  /**   * 关闭ResultSet   *    * @param rs   */  public static void closeResultSet(ResultSet rs) {    if (rs != null) {      try {        rs.close();      } catch (SQLException e) {        e.printStackTrace();      }    }  }  /**   * 关闭Statement   *    * @param st   */  public static void closeStatement(Statement st) {    if (st != null) {      try {        st.close();      } catch (SQLException e) {        e.printStackTrace();      }    }  }  /**   * 关闭Connection   *    * @param conn   */  public static void closeConnection(Connection conn) {    if (conn != null) {      try {        conn.close();      } catch (SQLException e) {        e.printStackTrace();      }    }  }  /**   * 关闭全部   *    * @param rs   * @param sta   * @param conn   */  public static void closeAll(ResultSet rs, Statement sta, Connection conn) {    closeResultSet(rs);    closeStatement(sta);    closeConnection(conn);  }}

import java.sql.CallableStatement;import java.sql.Connection;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.SQLException;import oracle.jdbc.driver.OracleTypes;/** * 测试调用存储过程 *  */public class StoredTest {  public static void main(String[] args) {    insert_call();    //select_call();  }  /**   * 执行存储过程 插入数据   */  public static void insert_call() {    Connection conn = DBUtil.getConnection();    PreparedStatement pst = null;    CallableStatement proc = null; // 创建执行存储过程的对象    try {      proc = conn.prepareCall("{ call insert_procedure(?,?) }");      proc.setString(1, "1"); // 设置第一个输入参数      proc.setString(2, "hello call"); // 设置第一个输入参数      proc.execute();// 执行    } catch (SQLException e) {      e.printStackTrace();    } finally {      try {        // 关闭IO流        proc.close();        DBUtil.closeAll(null, pst, conn);      } catch (Exception e) {        e.printStackTrace();      }    }  }  /**   * 执行存储过程 查询数据   */  public static void select_call() {    Connection conn = DBUtil.getConnection();    CallableStatement stmt;    try {      stmt = conn.prepareCall("{ call select_procedure(?, ?) }"); // 用此调用方法不能实现多行语法      stmt.setString(1, "1");      stmt.registerOutParameter(2, OracleTypes.CURSOR);      stmt.execute();      ResultSet rs = (ResultSet) stmt.getObject(2);      while (rs.next()) {        System.out.println(rs.getString("name"));      }    } catch (SQLException e) {      e.printStackTrace();    } finally {      DBUtil.closeConnection(conn);    }  }}