JDBC批量操作

  /** 
         * 批量执行预定义模式的SQL 
         */  
         public   static   void  exeBatchParparedSQL() { 
                Connection conn =  null ; 
                 try  { 
                        conn = DBToolkit.getConnection(); 
                        String sql =  "insert into testdb.book (kind, name) values (?,?)" ; 
                        PreparedStatement pstmt = conn.prepareStatement(sql); 
                        pstmt.setString(1,  "java" ); 
                        pstmt.setString(2,  "jjjj" ); 
                        pstmt.addBatch();                      //添加一次预定义参数 
                        pstmt.setString(1,  "ccc" ); 
                        pstmt.setString(2,  "dddd" ); 
                        pstmt.addBatch();                      //再添加一次预定义参数 
                         //批量执行预定义SQL 
                        pstmt.executeBatch(); 
                }  catch  (SQLException e) { 
                        e.printStackTrace(); 
                }  finally  { 
                        DBToolkit.closeConnection(conn); 
                } 
        } 

         /** 
         * 批量执行混合模式的SQL、有预定义的，还有静态的 
         */  
         public   static   void  exeBatchMixedSQL() { 
                Connection conn =  null ; 
                 try  { 
                        conn = DBToolkit.getConnection(); 
                        String sql =  "insert into testdb.book (kind, name) values (?,?)" ; 
                        PreparedStatement pstmt = conn.prepareStatement(sql); 
                        pstmt.setString(1,  "java" ); 
                        pstmt.setString(2,  "jjjj" ); 
                        pstmt.addBatch();     //添加一次预定义参数 
                        pstmt.setString(1,  "ccc" ); 
                        pstmt.setString(2,  "dddd" ); 
                        pstmt.addBatch();     //再添加一次预定义参数 
                         //添加一次静态SQL 
                        pstmt.addBatch( "update testdb.book set kind = 'JAVA' where kind='java'" ); 
                         //批量执行预定义SQL 
                        pstmt.executeBatch(); 
                }  catch  (SQLException e) { 
                        e.printStackTrace(); 
                }  finally  { 
                        DBToolkit.closeConnection(conn); 
                } 
        } 

         /** 
         * 执行批量静态的SQL 
         */  
         public   static   void  exeBatchStaticSQL() { 
                Connection conn =  null ; 
                 try  { 
                        conn = DBToolkit.getConnection(); 
                        Statement stmt = conn.createStatement(); 
                         //连续添加多条静态SQL 
                        stmt.addBatch( "insert into testdb.book (kind, name) values ('java', 'java in aciton')" ); 
                        stmt.addBatch( "insert into testdb.book (kind, name) values ('c', 'c in aciton')" ); 
                        stmt.addBatch( "delete from testdb.book where kind ='C#'" ); 
                        stmt.addBatch( "update testdb.book set kind = 'JAVA' where kind='java'" ); 
//                        stmt.addBatch("select count(*) from testdb.book");                //批量执行不支持Select语句 
                         //执行批量执行 
                        stmt.executeBatch(); 
                }  catch  (SQLException e) { 
                        e.printStackTrace(); 
                }  finally  { 
                        DBToolkit.closeConnection(conn); 
                } 
        } 

来源： <http://lavasoft.blog.51cto.com/62575/238651/>

 ​上面三种方法都是实质上都是用来addBatch(),executeBatch(),方法， PreparedStatement 是 Statement 子类。如果只有insert时完全可以在values后面跟多个(),()……的形式插入多条记录。自增长ID默认可以不插入，但也可以赋值插入或更新。

来自为知笔记(Wiz)