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java中判断字节数组的编码方式是不是UTF-8

得一道人 2023-05-11 阅读 69

1,用google的工具包,配置maven:

<!-- https://mvnrepository.com/artifact/com.googlecode.juniversalchardet/juniversalchardet -->
<dependency>
    <groupId>com.googlecode.juniversalchardet</groupId>
    <artifactId>juniversalchardet</artifactId>
    <version>1.0.3</version>
</dependency>

2,定义一个公共方法:

public static String guessEncoding(byte[] bytes) {
        UniversalDetector detector = new UniversalDetector(null);
        detector.handleData(bytes, 0, bytes.length);
        detector.dataEnd();
        String encoding = detector.getDetectedCharset();
        detector.reset();
        return encoding;
}

 



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