public static void main (String args[]){ String str = readFile("C:/1.txt");
System.out.print(str); } }
我把一楼的改了改:import java.io.*;public class Test { public static void main(String args[]) throws Exception { File file = new File("C:/1.txt"); BufferedReader input = new BufferedReader(new FileReader(file)); StringBuffer buffer = new StringBuffer(); String text = null; while ((text = input.readLine()) != null) buffer.append(text); String[] words = buffer.toString().split("\\W+"); for (String s : words) { System.out.println(s); } } }
import java.io.*; public class FileToString {
public static String readFile(String fileName) {
String output = "";
File file = new File(fileName);
if(file.exists()){
if(file.isFile()){
try{
BufferedReader input = new BufferedReader (new FileReader(file));
StringBuffer buffer = new StringBuffer();
String text;
while((text = input.readLine()) != null)
buffer.append(text +"\n");
output = buffer.toString();
}
catch(IOException ioException){
System.err.println("File Error!"); }
}
else if(file.isDirectory()){
String[] dir = file.list();
output += "Directory contents:\n";
for(int i=0; i<dir.length; i++){
output += dir[i] +"\n";
}
}
}
else{
System.err.println("Does not exist!");
}
return output;
}
public static void main (String args[]){
String str = readFile("C:/1.txt");
System.out.print(str);
}
}
public static void main(String args[]) throws Exception {
File file = new File("C:/1.txt");
BufferedReader input = new BufferedReader(new FileReader(file));
StringBuffer buffer = new StringBuffer();
String text = null;
while ((text = input.readLine()) != null)
buffer.append(text); String[] words = buffer.toString().split("\\W+");
for (String s : words) {
System.out.println(s);
}
}
}
RandomAccessFile rf=new RandomAccessFile(file,"rw");读写int c;
c=rf.read();从此文件中读取一个数据字节。
char ch=(char)c;