public class DemoEncoding {
public static void main(String[] args) throws IOException {
String data = "中国";
// 编码
byte[] bytes = data.getBytes("gbk");
// 正确解码
String result1 = new String(bytes, "gbk");
System.out.println("result1="+result1);// --中国
// 错误解码
String result2 = new String(bytes, "utf-8");
System.out.println("result2="+result2);// --?й?
//解錯碼
byte[] bytes1 = data.getBytes();
// 用正确的码表解码
String result3 = new String(bytes1, "utf-8");
System.out.println("result3="+result3);// --中国
//编错了码 失败彻底
byte[] bytes2 = data.getBytes("iso-8859-1");
System.out.println(bytes2[1]);//63
String result4 = new String(bytes2, "gbk");
System.out.println("result4="+result4);//??
//
String path = DemoEncoding.class.getClassLoader().getResource("a.txt").getPath();
//FileReader默认使用gbk
FileReader fileReader = new FileReader(path);
char[] buffer = new char[10];
int len = fileReader.read(buffer);
System.out.println(new String(buffer,0,len));//中国
Reader reader = new InputStreamReader(new FileInputStream(path),"utf-8");
char[] buff = new char[10];
int len1 = reader.read(buff);
System.out.println(new String(buff,0,len1));//中国
//结论 全部出现 ????? 即 63 表示编错码
//出现 其他怪异中文是解错码
}
}
