ANDROID 编码处理

 public static String getEncoding(String str) {           String encode = "GB2312";           try {               if (str.equals(new String(str.getBytes(encode), encode))) {                   String s = encode;                   return s;               }           } catch (Exception exception) {           }           encode = "ISO-8859-1";           try {               if (str.equals(new String(str.getBytes(encode), encode))) {                   String s1 = encode;                   return s1;               }           } catch (Exception exception1) {           }           encode = "UTF-8";           try {               if (str.equals(new String(str.getBytes(encode), encode))) {                   String s2 = encode;                   return s2;               }           } catch (Exception exception2) {           }           encode = "GBK";           try {               if (str.equals(new String(str.getBytes(encode), encode))) {                   String s3 = encode;                   return s3;               }           } catch (Exception exception3) {           }           return "";       }