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Copy pathTWrite.java
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54 lines (46 loc) · 1.13 KB
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package io;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import org.junit.Test;
/**
* @author：chenxun
* createDate：2016年12月11日 上午10:59:59
* Theme:
* reference:
* descript:
*/
public class TWrite {
@Test
public void write() throws IOException {
File file = new File("d:/io2");
if(!file.exists()){
file.mkdirs();
}
// file = new File("d:/io2/test.txt");
// if(!file.exists()){
// file.createNewFile();
// }
FileWriter fileWriter = new FileWriter("d:/io2/test.txt");
System.out.println(fileWriter.getEncoding());
fileWriter.write("io 测试");
fileWriter.close();
}
@Test
public void read01() throws IOException {
FileReader fileReader = new FileReader("d:/io2/test.txt");
char[] b = new char[10];
@SuppressWarnings("unused")
int l;
do {
System.out.println(String.valueOf(b));
b = new char[10];
} while ((l = fileReader.read(b))!=-1);
// while ((l = fileReader.read(b))!=-1) {
// System.out.println(String.valueOf(b));
// b = new char[10];
// }
fileReader.close();
}
}