Java中utf-8编码方式时所占字节数的计算方法封装

 /**
  * 计算采用utf-8编码方式时字符串所占字节数
  *
  * @param content
  * @return
  */
 public static int getByteSize(String content) {
     int size = 0;
     if (null != content) {
         try {
             // 汉字采用utf-8编码时占3个字节
             size = content.getBytes("utf-8").length;
         } catch (UnsupportedEncodingException e) {
             e.printStackTrace();
         }
     }
     return size;
 }