简单的批量读取外部insert文并插入DB

package com.tongxiang.item.base.dao;



import java.io.BufferedReader;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

import java.sql.Statement;

import java.util.Arrays;



import org.apache.commons.lang.StringUtils;



public class ImportFromSql

{

    

    private static final String URL = "jdbc:oracle:thin:@xxx.xxx.xxx.xxx:1521:orcl";

    

    private static final String USER = "user";

    

    private static final String PASSWORD = "password";

    

    private static Connection CONN = null;

    

    static

    {

        try

        {

            Class.forName("oracle.jdbc.driver.OracleDriver");

            CONN = DriverManager.getConnection(URL, USER, PASSWORD);

        }

        catch (SQLException e)

        {

            e.printStackTrace();

        }

        catch (Exception e)

        {

            e.printStackTrace();

        }

    }

    

    public static void main(String[] args) throws Exception

    {

        try

        {

            // insert 文件数据格式

            // C:\\TEST.sql

            // --------------------------

            // insert into (...) values (...);

            // insert into (...) values (...);

            // insert into (...) values (...);

            // --------------------------

            String sqlFile = "C:\\TEST.sql";

            

            // 每次批处理数目

            int batchCnt = 100;

            

            insertSqlBacth(CONN, sqlFile, batchCnt);

        }

        finally

        {

            CONN.close();

        }

    }

    

    /**

     * 传入连接来执行 SQL 脚本文件，这样可与其外的数据库操作同处一个事物中

     * 

     * @param 数据库连接

     * @param 文件路径

     * @param 每次批处理数

     * 

     */

    public static void insertSqlBacth(Connection conn, String sqlFile,

            int batchCnt) throws Exception

    {

        Statement stmt = null;

        //从给定位置获取文件

        File file = new File(sqlFile);

        BufferedReader reader = null;

        try

        {

            reader = new BufferedReader(new FileReader(file));

            //每次读取文件的缓存

            String temp = null;

            int i = 0;

            int mod = 0;

            stmt = conn.createStatement();

            while ((temp = reader.readLine()) != null)

            {

                i++;

                stmt.addBatch(StringUtils.chomp(temp.trim(), ";"));

                mod = i % batchCnt;

                if (mod == 0)

                {

                    int[] rows = stmt.executeBatch();

                    conn.commit();

                    System.out.println("Row count:" + Arrays.toString(rows));

                    stmt.close();

                    stmt = conn.createStatement();

                }

            }

            if (mod != 0)

            {

                int[] rows = stmt.executeBatch();

                conn.commit();

                System.out.println("Row count:" + Arrays.toString(rows));

                stmt.close();

            }

        }

        catch (FileNotFoundException e)

        {

            e.printStackTrace();

        }

        catch (IOException e)

        {

            e.printStackTrace();

        }

        finally

        {

            //关闭文件流

            if (reader != null)

            {

                try

                {

                    reader.close();

                }

                catch (IOException e)

                {

                    e.printStackTrace();

                }

            }

        }

    }

}