Java之utf8中文编码转换

 import org.apache.commons.codec.binary.Hex;
 import org.junit.Test;

 /**
  * HBASE中文转换
  */
 public class CHCode {

     /**
      * 中文转utf8
      */
     @Test
     public void testStr2UTF8() throws Exception {
         String str = "烦";
         char[] chars = Hex.encodeHex(str.getBytes("UTF-8"));
         System.out.println(chars);
     }

     /**
      * utf8转中文
      */
     @Test
     public void testUTF8ToStr() throws Exception {
 //        String str = new String(Hex.decodeHex("e783a6e783a6e783a6".toCharArray()), "UTF-8");

         byte[] bytes = Hex.decodeHex("e783a6e783a6e783a6".toCharArray());
         String str = new String(bytes, "UTF-8");

         System.out.println("bytes:" + bytes);
         System.out.println("String:" + str);
     }

     /**
      * HBASE中文转换
      */
     @Test
     public void testHbaseStr() throws Exception {
 //        Hbase UTF8编码
         String content = "\\xE7\\x83\\xA6";
         char[] chars = content.toCharArray();
         StringBuffer sb = new StringBuffer();
         for (int i = 2; i < chars.length; i = i + 4) {
 //            System.out.println(chars[i]);
             sb.append(chars[i]);
 //            System.out.println(chars[i + 1]);
             sb.append(chars[i + 1]);
         }
         System.out.println(sb);
         String ouputStr = new String(Hex.decodeHex(sb.toString().toCharArray()), "UTF-8");
         System.out.println(ouputStr);
     }

 }