First, we'll encode theStringinto bytes, and second, we'll decode it into a UTF-8String: StringrawString="Entwickeln Sie mit Vergnügen";ByteBufferbuffer=StandardCharsets.UTF_8.encode(rawString);Stringutf8EncodedString=StandardCharsets.UTF_8.decode(buffer).toString(); assertEquals(rawString, u...
importjava.nio.charset.StandardCharsets;importjava.util.Base64;publicclassBase64Example{publicstaticvoidmain(String[]args){Stringtext="Hello, World!";byte[]encodedBytes=Base64.getEncoder().encode(text.getBytes(StandardCharsets.UTF_8));StringencodedText=newString(encodedBytes,StandardCharsets.UTF_8);...
另外一种字符串转为UTF-8编码的方法是使用java.nio.charset.Charset和java.nio.ByteBuffer类。 Stringstr="Hello, 世界!";ByteBufferutf8Buffer=Charset.forName("UTF-8").encode(str);byte[]utf8Bytes=newbyte[utf8Buffer.remaining()];utf8Buffer.get(utf8Bytes); 1. 2. 3. 4. 上述代码中,我们首先使用...
publicstaticfinalString[] ENCODES =newString[]{"UTF-8", "GBK", "GB2312", "ISO-8859-1", "ISO-8859-2"};/*** 获取字符串是什么编码,例如返回的值有:UTF-8,GBK,ISO-8859-1等 * *@paramstr *@return*/publicstaticString getEncode(String str) {byte[] data =str.getBytes();byte[] b =...
publicstaticfinalString[] ENCODES =newString[]{"UTF-8", "GBK", "GB2312", "ISO-8859-1", "ISO-8859-2"};/*** 获取字符串是什么编码,例如返回的值有:UTF-8,GBK,ISO-8859-1等 * *@paramstr *@return*/publicstaticString getEncode(String str) {byte[] data =str.getBytes();byte[] b =...
public static String getUTF8XMLString(String xml) { // A StringBuffer Object StringBuffer sb = new StringBuffer();sb.append(xml);String xmString = "";String xmlUTF8="";try { xmString = new String(sb.toString().getBytes("UTF-8"));xmlUTF8 = URLEncoder.encode(xmString, ...
Java 字符串转换UTF-8 汉字->6C49 5B57 public static void main(String[] args) { System.out.println(charsetEncode(汉字)); System.out.println(charsetDeCode(charsetEncode(汉字))); } private String charsetEncode(String str) { if ("".equals(str)) {...
String(byte[] bytes, String charsetName) 而不要使用那些不带字符集名称的方法签名,通过上面两个方法,可以对内存中的字符进行重新编码。 Java代码 packagecom.elmer.c; importjava.io.UnsupportedEncodingException; publicclassGbktoUtf8 { publicString convertString(String gbk){ ...
/ public static String getUTF8XMLString(String xml) { // A StringBuffer Object StringBuffer sb = new StringBuffer();sb.append(xml);String xmString = "";String xmlUTF8="";try { xmString = new String(sb.toString().getBytes("UTF-8"));xmlUTF8 = URLEncoder.encode(xmString...
如下是一个将UTF-16转换为UTF-8编码的实现,可以看出算法比较复杂,所以性能较差,这个操作也无法使用vector API做优化。 static int encodeUTF8(char[] utf16, int off, int len, byte[] dest, int dp) { int sl = off + len, last_offset = sl - 1; ...