JDBC批量上传简单demo
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import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; public class batchInsert { public Connection getConnection(){ Connection conn=null; /**mysql*/ String driver="com.mysql.jdbc.Driver"; String connectdb="数据库url连接地址(输入你自己的替换掉这些文字)"; String user="用户名"; String password="密码"; try { Class.forName(driver); try { conn=DriverManager.getConnection(connectdb,user,password); System.out.println("数据库驱动成功"); } catch (SQLException e) { e.printStackTrace(); } } catch (ClassNotFoundException e) { e.printStackTrace(); } return conn; } public static void main(String[] args) { batchInsert batchin=new batchInsert(); //rt.getConnection(); batchin.AhPhoneInsert("这里是要解析的txt文件的地址"); } //数据记录导入 public boolean AhPhoneInsert(String file){ try { Connection con = getConnection(); PreparedStatement ps = null,ps1=null,ps2=null; ResultSet rs = null; BufferedReader br = new BufferedReader( (new InputStreamReader(new FileInputStream(new File(file)),"utf-8")));// 编码方式为utf-8,txt保存时编码方式也要选择为utf-8 String line; try { String sql ="insert into user(name) values(?)"; try { con.setAutoCommit(false); ps = con.prepareStatement(sql); int n=0; while ((line = br.readLine()) != null) { String phone = line.trim(); ps.setString(1, phone); ps.addBatch(); n++; if(n>1000){ ps.executeBatch(); n=0; } } ps.executeBatch(); con.commit(); } catch (SQLException e) { e.printStackTrace(); }finally{ if(null!=rs){ try { rs.close(); } catch(SQLException e){ e.printStackTrace(); } } if(null!=ps){ try { ps.close(); } catch (SQLException e) { e.printStackTrace(); } } if(null!=ps2){ try { ps2.close(); } catch (SQLException e) { e.printStackTrace(); } } if(null!=ps1){ try { ps1.close(); } catch (SQLException e) { e.printStackTrace(); } } if(null!=con){ try { con.close(); } catch (SQLException e) { e.printStackTrace(); } } } } catch (IOException e) { e.printStackTrace(); } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (FileNotFoundException e) { e.printStackTrace(); } return true; } }
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