我有这个代码..这个程序是读取文本文件，但无法插入..pls建议我 这是我的文本文件
1 2016-07-13 14:51:53 1 255 1 0
1 2016-07-13 14:52:42 1 255 1 0
1 2016-07-13 14:52:51 1 255 1 0
1 2016-07-13 14:53:06 1 255 1 0
1 2016-07-13 14:53:10 1 255 1 0
3 2016-07-16 16:07:34 1 255 1 0
4 2016-07-16 16:08:50 1 255 1 0
5 2016-07-16 16:09:33 1 255 1 0
4 2016-07-16 16:09:57 1 255 1 0
我想只插入1列和第二列其余列，我不需要
package com.om.whms.examples;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOExcep`
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.util.Scanner;
public class Hello {
public static void main(String[] args) {
BufferedReader br = null;
String strLine = "";
try {
br = new BufferedReader( new
FileReader("N:/Attendance/BiometricAttendance.txt"));
Connection connection = DBConnection.getConnection();
System.out.println("connection...");
while( (strLine = br.readLine()) != null){
strLine = strLine.trim().replaceAll("( )+", ",");
strLine += "\n";
System.out.println(strLine);
if(!(strLine.startsWith("0") || strLine.startsWith("1") ||
strLine.startsWith("2") || strLine.startsWith("3") ||
strLine.startsWith("4") || strLine.startsWith("5")
|| strLine.startsWith("6") || strLine.startsWith("7") ||
strLine.startsWith("8") || strLine.startsWith("9") )
){ // Lines starting with number 0.
continue;
}
System.out.println("connection..."+strLine);
/*String query = "Insert into attendence values
("+strLine+");";*/
String query ="insert into attendence "
+ " (biometric_id, date, log_time)" + " values ( 1,
2017-07-13, 14:51:53)";
PreparedStatement pstmt =
connection.prepareStatement(query);
pstmt.executeUpdate();
br.close();
}
} catch (FileNotFoundException e) {
System.err.println("Unable to find the file: fileName");
} catch (IOException e) {
System.err.println("Unable to read the file: fileName");
}
catch(Exception e){System.err.println(e.getMessage());}
}
}
答案 0 :(得分：0)
public static void main(String[] args) {
BufferedReader br = null;
String strLine = "";
try {
br = new BufferedReader(new FileReader("C:\\Users\\sutharm1\\Desktop\\test1.txt"));
// Connection connection = DBConnection.getConnection();
System.out.println("connection...");
while ((strLine = br.readLine()) != null) {
strLine = strLine.trim().replaceAll("( )+", ",");
strLine += "\n";
if (!(strLine.startsWith("0") || strLine.startsWith("1") || strLine.startsWith("2")
|| strLine.startsWith("3") || strLine.startsWith("4") || strLine.startsWith("5")
|| strLine.startsWith("6") || strLine.startsWith("7") || strLine.startsWith("8")
|| strLine.startsWith("9"))) { // Lines starting with
// number 0.
continue;
}
// System.out.println("connection..."+strLine);
String[] split = strLine.split(" ");
String[] split1 = split[0].toString().split(",");
/*System.out.println(split1[0]);
System.out.println(split1[1]);
System.out.println(split1[2]);*/
System.out.println("biometric_id " + split1[0] + " date : " +split1[1] + " log_time "+split1[2]);
Connection dbConnection = null;
PreparedStatement preparedStatement = null;
String insertTableSQL = "INSERT INTO DBUSER" + "(biometric_id, date, log_time) VALUES" + "(?,?,?)";
try {
dbConnection = getDBConnection();
preparedStatement = dbConnection.prepareStatement(insertTableSQL);
preparedStatement.setString(1, split1[0]);
preparedStatement.setString(2, split1[1]);
preparedStatement.setString(3, split1[2]);
// execute insert SQL stetement
preparedStatement.executeUpdate();
System.out.println("Record is inserted into DBUSER table!");
} catch (SQLException e) {
System.out.println(e.getMessage());
} finally {
if (preparedStatement != null) {
preparedStatement.close();
}
if (dbConnection != null) {
dbConnection.close();
}
}
}
} catch (FileNotFoundException e) {
System.err.println("Unable to find the file: fileName");
} catch (IOException e) {
System.err.println("Unable to read the file: fileName");
} catch (Exception e) {
System.err.println(e.getMessage());
}
}
private static Connection getDBConnection() {
Connection dbConnection = null;
try {
Class.forName(DB_DRIVER);
} catch (ClassNotFoundException e) {
System.out.println(e.getMessage());
}
try {
dbConnection = DriverManager.getConnection(DB_CONNECTION, DB_USER, DB_PASSWORD);
return dbConnection;
} catch (SQLException e) {
System.out.println(e.getMessage());
}
return dbConnection;
}
答案 1 :(得分：0)
你用这个代码解决了...感谢支持你们，包 com.om.whms.examples;
import java.io.BufferedReader;
import java.io.FileReader;
import java.sql.Connection;
import java.sql.PreparedStatement;
public class BiometricLogs {
public static void readBiometricFile(String fileName){
BufferedReader br = null;
try{
br = new BufferedReader( new FileReader(fileName));
Connection connection = DBConnection.getConnection();
String strLine = "";
while((strLine = br.readLine()) != null){
String dateStr = strLine.substring(10, 20);
String timeStr = strLine.substring(21, 30).trim();
String idStr = (strLine.substring(0, 9)).trim();
//System.out.println(idStr + "$" + dateStr + "$" + timeStr);
String sql ="insert into attendence (biometric_id, date,
log_time)"
+ " values ( "+idStr+", '"+dateStr+"',
'"+timeStr+"');";
System.out.println(sql);
try{
PreparedStatement pstmt = connection.prepareStatement(sql);
pstmt.executeUpdate();
}catch(Exception e){
System.out.println(e.getMessage());
}
}
}catch(Exception e){
System.out.println(e.getMessage());
e.printStackTrace();
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
readBiometricFile("N:\\Attendance\\BiometricAttendance.txt");
}
}