private int getByteLength(String str) {
str = str.replaceAll("[^\\x00-\\xff]", "xx");
return str.length();
}
先把全角字元替換成xx，然後求其位元組長度
private int getByteLength(String str) {
str = str.replaceAll("[^\\x00-\\xff]", "xx");
return str.length();
}
先把全角字元替換成xx，然後求其位元組長度
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