// 讀取指定某一行的文本
public static String getCertainLineOfTxt(String filePath, int lineNumber){
FileReader fr = null;
LineNumberReader reader = null;
String txt = "";
try{
File file = new File(filePath);
fr = new FileReader(file);
reader = new LineNumberReader(fr);
int lines = 0;
while(txt != null){
lines ++;
txt = reader.readLine(); // Read a line of text.
if(lines == lineNumber){
//System.out.println( "txt: " + txt + " lines = " + lines );
return txt;
}
}
return txt;
}catch(Exception e){
e.printStackTrace();
return txt;
}finally{
try{
reader.close();
}catch(IOException e){
e.printStackTrace();
}
try{
fr.close();
}catch(IOException e){
e.printStackTrace();
}
}
}
調用
String txt = getCertainLineOfTxt("c:\test.txt", 10);