62,614
社区成员
发帖
与我相关
我的任务
分享
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.Vector;
public class FileOperate {
String string="";
File f = new File("./price.txt");
String[] price;
String str=" ";
public String readFile() {
try {
if (!f.exists()) {
f.createNewFile();
} else {
FileReader fr = new FileReader("./price.txt");
BufferedReader br = new BufferedReader(fr);
while((str = br.readLine())!=null){
string += str+"\n";
}
}
System.out.println(string);
} catch (Exception e) {
System.out.println("safasdf");
e.printStackTrace();
}
return string;
}
public void writeFile(){
// FileWriter fw=new FileWriter(f);
}
public static void main(String [] args){
new FileOperate().readFile();
}
}