-1
因此,我正在尝试编写一个Java应用程序,其中包含一些包含如下数据的文本文件:id,username,password,并且每条记录都在一个新行中。我想要实现的是说,例如,如果用户输入“vick”,我希望能够在文本文件中搜索具有“vick”的用户名并返回id,用户名,密码。如何从文本文件中使用Java返回完整的字符串行
这是我到目前为止有:
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Scanner;
public class tests {
public static void main(String[] args) throws IOException {
File file = new File("C:\\Users\\Vick\\PT\\Tests\\src\\users.txt");
String[] UserToken = null;
BufferedReader br = new BufferedReader(new FileReader(file));
int lineCount = 0;
while(br.readLine() != null)
{
lineCount++;
}
br.close();
Scanner inputeFile = new Scanner(file);
int uid = 0;
String username = null;
String password = null;
while(inputeFile.hasNext())
{
String str = inputeFile.nextLine();
UserToken = str.split(",");
uid = Integer.parseInt(UserToken[0]);
username = UserToken[1];
password = UserToken[2];
//Users u1 = new Users(uid, username, password);
//System.out.println(UserToken[0] + " - " + UserToken[1] + " - " + UserToken[2]);
}
Users u1 = new Users(uid, username, password);
Scanner search = new Scanner(System.in);
System.out.println("Search for user: ");
String searchterm = search.next();
while(inputeFile.hasNext())
{
if(u1.getUsername().contains(searchterm))
{
System.out.println("HE!");
}
}
}
}
,这是用户级的,我想用它
public class Users {
public int userid;
public static String username;
public String password;
public Users(int userid, String username, String password)
{
userid = userid;
username = username;
password = password;
}
public int getUID()
{
return userid;
}
public static String getUsername()
{
return username;
}
public String getPassword()
{
return password;
}
}
所以我不是远从得到这个权利?谢谢帮助很多 – 2014-10-06 13:05:55
没问题。你看起来像Java的初学者。挂在那里。你离得很近。 – Anon 2014-10-06 13:07:24