stringutils.java

来自「网上购物系统struts+spring+hibernate实现」· Java 代码 · 共 14 行

package com.sdi0708.bdifn.bookstore.service.util;

public class StringUtils {
	/**
	 * check the string is empty or not
	 * @param str
	 * @return
	 */
	public static boolean isEmpty(String str) {
		
		return str == null || str.trim().length() == 0;
	}
}