Java IO流读取文本内容
Java IO流读取文本内容
1.使用FileReader,BufferedReader
文本内容
代码
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
public class Test {
public static void main(String[] args) {
FileReader fr = null;
BufferedReader br = null;
StringBuffer txt = new StringBuffer();
try {
File file = new File("D:\\txt\\Test.txt");
fr = new FileReader(file);
br = new BufferedReader(fr);
String line = null;
while((line = br.readLine()) != null){
txt.append(line);
txt.append("\n");
}
br.close();
fr.close();
} catch (IOException e) {
e.printStackTrace();
} finally {
if(br != null) {
try {
br.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(fr != null) {
try {
fr.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
System.out.println(txt);
}
}
控制台结果