05 2013 档案

摘要:array开销小,长度初始化时必须就确定。list 长度可变,删除与增加很方便。array定义: String [] strs= new String[5];//strs=={"a","d","e","df","dfg"} 错误 或者 String [] strs={"a","d","e","df","dfg"} //注意{}整体赋值,只能用在初始化时list定义: List<Object& 阅读全文
posted @ 2013-05-31 16:27 墙头一颗草 阅读(2553) 评论(0) 推荐(0)
摘要:apache common email组件需要mail.jar, commons-email-1.2.jarpackage utils;import org.apache.commons.mail.EmailAttachment;import org.apache.commons.mail.EmailException;import org.apache.commons.mail.HtmlEmail;import org.apache.commons.mail.MultiPartEmail;public class EmailUtil { public static void s... 阅读全文
posted @ 2013-05-21 15:08 墙头一颗草 阅读(3649) 评论(1) 推荐(0)