Created
December 11, 2016 05:33
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String GBK转ASCII数据丢失,建议用byte2hex, hex2byte的形式
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import java.nio.charset.Charset; | |
public class Main { | |
public static void main(String[] args) { | |
String myString = "中文123abc"; | |
byte pText[] = myString.getBytes(Charset.forName("GBK")); // 10 bytes 2个字节代表1个中文 | |
byte pText2[] = myString.getBytes(Charset.forName("UTF-8")); // 12 bytes 3个字节代表1个中文 | |
byte pText3[] = myString.getBytes(Charset.forName("ASCII")); // 8 bytes 1个字节代表1个中文,精度损失了 | |
String r1 = new String(pText, Charset.forName("GBK")); | |
String r2 = new String(pText, Charset.forName("ASCII")); // ����123abc GBK字节转ASCII造成数据丢失,转不回去了 | |
byte r2Text[] = r2.getBytes(Charset.forName("ASCII")); // 与pText2比较,前4字节都不一样了 | |
} | |
} |
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