jsp学习笔记（九）

package util;
	import java.io.UnsupportedEncodingException;
	public class Validate {
		public String getUnicode(String str) {
			if (str != null) {
				try {
					return new String(str.getBytes("iso8859_1"), "gb2312");
				} catch (UnsupportedEncodingException e) {
					e.printStackTrace();
					return str;
				}
			} else {
				return null;
			}
		}
	}