標籤:文字檔 output java stream lan string lang 檔案中 oid
SequenceInputStream主要用來將2個流合并在一起,比如將兩個txt中的內容合并為另外一個txt。下面給出一個執行個體:
import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.SequenceInputStream; /** * 將兩個文字檔合并為另外一個文字檔 */ public class SequenceInputStreamDemo{ public static void main(String[] args) throws IOException{ File file1 = new File("d:" + File.separator + "hello1.txt"); File file2 = new File("d:" + File.separator + "hello2.txt"); File file3 = new File("d:" + File.separator + "hello.txt"); InputStream input1 = new FileInputStream(file1); InputStream input2 = new FileInputStream(file2); OutputStream output = new FileOutputStream(file3); // 合并流 SequenceInputStream sis = new SequenceInputStream(input1, input2); int temp = 0; while((temp = sis.read()) != -1){ output.write(temp); } input1.close(); input2.close(); output.close(); sis.close(); }}
【運行結果】:
結果會在hello.txt檔案中包含hello1.txt和hello2.txt檔案中的內容。
合并流 SequenceInputStream