import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class FileGenerator {
/**
* @param args
*/
public static void main(String[] args) {
File outputFile;
BufferedReader reader;
FileWriter fileWriter;
try {
outputFile = new File("test.txt");
outputFile.createNewFile();
fileWriter = new FileWriter(outputFile, false);
reader = new BufferedReader(new FileReader("template.txt"));
StringBuilder sb = new StringBuilder();
String line = reader.readLine();
while (line != null) {
sb.append(line);
sb.append(System.lineSeparator());
line = reader.readLine();
}
String everything = sb.toString();
fileWriter.write(everything);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
}
}
}
fileWriter创建test.txt,但test.txt中的字符串为空。我希望它不会发生空洞。顺便说一句,你可能会说“String everything”可能是空的。但它没有。当我尝试没有阅读器txt我的意思是“字符串一切=”一些文本“,它发生一样。它发生空如何在Java中创建和编写.Txt文件?
不应该关闭fileWriter吗? – niqueco 2014-11-23 19:59:48
您需要关闭您的资源。 – Kayaman 2014-11-23 19:59:51
怎么样? fileWriter.close? – Ahmet 2014-11-23 20:00:21