Java调用Oracle存储过程

    xiaoxiao2021-03-25  151

    步骤:

    1、编写Oracle存储过程

    2、编写数据库获取连接工具类

    3、编写简单应用调用存储过程

    实现:

    1、Oracle存储过程:

    /*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 ) AS BEGIN 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 */ ) AS BEGIN OPEN name FOR SELECT * FROM test WHERE id = para_id; END; 123456789101112131415161718192021222324 123456789101112131415161718192021222324

    2、JDBC工具类

    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); } } 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112

    3、调用存储过程:

    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); } } } 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667

    转自http://blog.csdn.net/itmyhome1990/article/details/49818531

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