Question

java 如何console的数据保存到txt

Answer 1

Java通过使用I/O文件操作类，来创建输入输出流，将数据保存在file tet文件里面。示例如下：

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

package *&####&*_1_*&####&*;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

public class WriteFileExample {
public static void main(String[] args) {

FileOutputStream fop = null;
File file;
String content = "This is the text content";

try {

file = new File("c:/newfile.txt");
fop = new FileOutputStream(file);

// if file doesnt exists, then create it
if (!file.exists()) {
file.createNewFile();
}

// get the content in bytes
byte[] contentInBytes = content.getBytes();

fop.write(contentInBytes);
fop.flush();
fop.close();

System.out.println("Done");

} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (fop != null) {
fop.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}