/*
*InputStreamReader參數charset要跟文件編碼格式一致。 InputStreamReader讀的時候才不會亂碼。
*OutputStreamWriter參數charset設置編碼例如UTF-8。在操作系統打開文件時候也要用相應編碼打開才不會亂碼。
*InputStreamReader：讀操作時編碼要與文件編碼一致。OutputStreamWriter寫操作時設置編碼打開文件時也要以相同編碼打開。
*/
public class Test{
/*記事本讀寫
*寫字板編碼轉化為UTF-8的方式非常簡單，用記事本打開文件，文件->另存為->在編碼中選擇uft-8保存就可以了。
*注意：666.txt和999.txt文件編碼都要是UTF-8編碼才能保證讀寫不會亂碼。
*/
public static void main(String[] args) throws IOException {
Reader reader = new InputStreamReader(new FileInputStream(new File("e:/666.txt")),"UTF-8");
Writer writer = new OutputStreamWriter(new FileOutputStream(new File("e:/999.txt")),"UTF-8");
char[] buffer = new char[1024];
int len = 0;
while((len=reader.read(buffer))!= -1){
System.out.println(new String(buffer,0,len));
writer.write(buffer, 0, len);
}
writer.flush();
writer.close();
}
/*word讀寫*/
public static void main(String[] args) throws IOException {
Reader reader = new InputStreamReader(new FileInputStream(new File("e:/123.doc")),"utf-8");
Writer writer = new OutputStreamWriter(new FileOutputStream(new File("e:/456.doc")),"utf-8");
char[] buffer = new char[1024];
int len = 0;
while((len=reader.read(buffer))!= -1){
System.out.println(new String(buffer,0,len));
writer.write(new String(buffer,0,len));
}
writer.flush();
writer.close();
}
/*
*創建記事本999.txt
*OutputStreamWriter(FileOutputStream,charset)以UTF-8編碼寫出，正確寫法。
*問題導致原因：999.txt默認以寫字板方式打開就亂碼，寫字板打開打開的時候解碼解錯，以UTF-8打開問題解決或者換高級編輯器打開。
*/
public static void main(String[] args) throws IOException {
String file = "e:\\999.txt";
String charset = "UTF-8";
FileOutputStream outputStream = new FileOutputStream(file);
Writer writer = new OutputStreamWriter(outputStream, charset);
try {
writer.write("字符流寫亂碼。。。");
} finally {
writer.close();
}
}
}