在文件的每一段下面插入一个空行?
package aa.com;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import
java.io.FileNotFoundException;
import java.io.FileOutputStream;
import
java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
public class InsertEnter {
public static void main(String[] args) {
getFile(new File("C:\\Users\\Administrator\\Desktop\\aa.txt"),new File("C:\\Users\\Administrator\\Desktop\\bb.txt"));
}
private static void getFile(File f,File fi) {
try {
FileInputStream in=new FileInputStream(f);
BufferedReader read=new BufferedReader(new InputStreamReader(in));
FileOutputStream out=new FileOutputStream(fi);
PrintWriter print=new PrintWriter(out);
String mm=null;
do{
mm=read.readLine();
if(null!=mm&&mm.length()>0){
System.out.println("oijoij");
print.println(mm);
print.println("\n");
}
}while(null!=mm);
} catch (
FileNotFoundException e) {
e.printStackTrace();
} catch (
IOException e) {
e.printStackTrace();
}
}
}
谁能帮我看一下,代码有什么问题,谢谢
------解决方案--------------------
应该是文件没有关闭的原因吧
Java code
package aa.com;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
public class InsertEnter {
public static void main(String[] args) {
getFile(new File("aa.txt"),new File("bb.txt"));
}
private static void getFile(File f,File fi) {
try {
FileInputStream in=new FileInputStream(f);
BufferedReader read=new BufferedReader(new InputStreamReader(in));
FileOutputStream out=new FileOutputStream(fi);
PrintWriter print=new PrintWriter(out);
String mm=null;
do{
mm=read.readLine();
if(null!=mm&&mm.length()>0){
System.out.println("oijoij");
print.println(mm);
print.println("\n");
}
} while(null!=mm);
print.close();//关闭文件流
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}