中文字符级转换

 1 public class Chinese {
 2   public static String toUnicode(String strvalue) {
 3     try {
 4       if (strvalue == null) {
 5         return null;
 6       }
 7       else {
 8         strvalue = new String(strvalue.getBytes("GBK"), "ISO8859_1");
 9         return strvalue;
10       }
11     }
12     catch (Exception e) {
13       return "";
14     }
15   }
16   
17   public static String toChinese(String strvalue) {
18     try {
19       if (strvalue == null) {
20         return "";
21       }
22       else {
23         strvalue = new String(strvalue.getBytes("ISO8859_1"), "GBK");
24         return strvalue;
25       }
26     }
27     catch (Exception e) {
28       return "";
29     }
30   }
31   
32   public static String chinese(String a) {
33     try {
34       return new String(a.getBytes("ISO-8859-1"));
35     }
36     catch (UnsupportedEncodingException ex) {
37       return null;
38     }
39   }
40 }