第3个回答 推荐于2017-09-18
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
/**
*
* @author Administrator
*/
public class NewClass {
public static void main(String[] a) {
String[] strs = new NewClass().readFileByLine("C:/temp.txt", "aaa", 3);//得到
C:/temp.txt中内容为aaa行后的3行内容
for (int i = 0; i < 3; i++) {
System.out.println(strs[i]);
}
}
public String[] readFileByLine(String fileName, String findLine, int rows) {
File file = new File(fileName);
BufferedReader reader = null;
String[] ret = new String[rows];
try {
reader = new BufferedReader(new FileReader(file));
String tempString = null;
while ((tempString = reader.readLine()) != null) {
if (tempString.equals(findLine)) {
break;
}
}
int n = 0;
while ((tempString =
reader.readLine()) != null && n < rows) {
ret[n] = tempString;
n++;
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e1) {
}
}
}
return ret;
}
}本回答被提问者采纳