﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-唐大力的java博客-随笔分类-ssh</title><link>http://www.blogjava.net/jay485584/category/49884.html</link><description /><language>zh-cn</language><lastBuildDate>Tue, 01 Nov 2011 15:08:15 GMT</lastBuildDate><pubDate>Tue, 01 Nov 2011 15:08:15 GMT</pubDate><ttl>60</ttl><item><title>Hibernate+Spring+Struts2整合开发中的一个分页显示方案</title><link>http://www.blogjava.net/jay485584/archive/2011/11/01/362419.html</link><dc:creator>唐大力</dc:creator><author>唐大力</author><pubDate>Tue, 01 Nov 2011 01:06:00 GMT</pubDate><guid>http://www.blogjava.net/jay485584/archive/2011/11/01/362419.html</guid><wfw:comment>http://www.blogjava.net/jay485584/comments/362419.html</wfw:comment><comments>http://www.blogjava.net/jay485584/archive/2011/11/01/362419.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/jay485584/comments/commentRss/362419.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/jay485584/services/trackbacks/362419.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 分页显示一直是web开发中一大烦琐的难题，传统的网页设计只在一个JSP或者ASP页面中书写所有关于数据库操作的代码，那样做分页可能简单一 点，但当把网站分层开发后，分页就比较困难了，下面是我做Spring+Hibernate+Struts2项目时设计的分页代码，与大家分享交流。 1、DAO层接口的设计，在MemberDao接口中定义了如下两个方法： public&nbsp;interface&nb...&nbsp;&nbsp;<a href='http://www.blogjava.net/jay485584/archive/2011/11/01/362419.html'>阅读全文</a><img src ="http://www.blogjava.net/jay485584/aggbug/362419.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/jay485584/" target="_blank">唐大力</a> 2011-11-01 09:06 <a href="http://www.blogjava.net/jay485584/archive/2011/11/01/362419.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Null value was assigned to a property of primitive</title><link>http://www.blogjava.net/jay485584/archive/2011/10/31/362391.html</link><dc:creator>唐大力</dc:creator><author>唐大力</author><pubDate>Mon, 31 Oct 2011 08:28:00 GMT</pubDate><guid>http://www.blogjava.net/jay485584/archive/2011/10/31/362391.html</guid><wfw:comment>http://www.blogjava.net/jay485584/comments/362391.html</wfw:comment><comments>http://www.blogjava.net/jay485584/archive/2011/10/31/362391.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/jay485584/comments/commentRss/362391.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/jay485584/services/trackbacks/362391.html</trackback:ping><description><![CDATA[刚刚做项目的时候遇到了这样一个问题：<div><h1>Null value was assigned to a property of primitive</h1></div>百度了一下，发现是<br /><div><span style="font-family: mceinline;"><span style="font-size: 12pt; color: red;">数据库字段值为NULL,int 类型不能赋值为NULL，只能为0，但有些实际应用中，如学生分数，0表示0分，NULL，则表示暂无分数所以，要不设数据字段不为NULL，要不就是用Integer.<br /></span><span style="font-size: 24pt; color: red;"><br /><br /></span></span></div>解决方法：<br /><div><span style="font-family: mceinline;"><span style="font-size: medium;">解决办法：<br /> <br /> javabean.hbm.xml<br /> <br /> &nbsp;<wbr> &lt;property name="provinceOrderMember" type="int"&gt;<br /> &nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr> &lt;column name="provinceOrderMember"&gt;<br /> &nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr> &lt;comment&gt;&lt;/comment&gt;<br />  &nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr> &lt;/column&gt;<br /> &nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr> &lt;/property&gt;<br /> type="<span style="color: #ff0000;">int</span>" 改为type="java.lang.<span style="color: #ff0000;">Integer</span>"&nbsp;<wbr>&nbsp;<wbr><br />  <br /> <span style="color: #ff0000;">javabean&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr>中 属性定义</span><br /> <br /> &nbsp;<wbr>&nbsp;<wbr>&nbsp;<wbr> private <span style="color: #ff0000;">int</span> provinceOrderMember; 改为private <span style="color: #ff0000;">Intege</span> provinceOrderMember</span></span></div><br />或者直接建库的时候设定全部数值类型默认为0就好！<img src ="http://www.blogjava.net/jay485584/aggbug/362391.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/jay485584/" target="_blank">唐大力</a> 2011-10-31 16:28 <a href="http://www.blogjava.net/jay485584/archive/2011/10/31/362391.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>