框架问题 List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'");//从数据库查询匹配的 集合 hibernateTemplate.delete(topics);//我用这种可是却报错说delete不能解决集合对象怎么用hibernateTemplate来删除一个集合呀?我用的是HiberanateTemplate 请高手帮帮忙 怎么用这个来删除多个记录呀 谢谢拉!! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 循环List<topics>,一个一个删除topics。 循环List<topics>,一个一个删除topics。别无他法。 foreach(list l in lists){l=lists[i];delete(l);}循环读取lists的值,逐渐删除掉 List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'"); 大家说用循环逐个删除集合对象 Iterator it=topics.iterator(); while(it.hasNext()){ topics top=(topics)it.next(); hibernateTemplate.delete(top); } 可是我用上面的方法,报下面的错误啦 请高手指点这个是什么原因。最好是把循环删除的代码写出来谢谢!!org.hibernate.jdbc.BatchedTooManyRowsAffectedException: Batch update returned unexpected row count from update [0]; actual row count: 2; expected: 1 org.hibernate.jdbc.Expectations$BasicExpectation.checkBatched(Expectations.java:95) org.hibernate.jdbc.Expectations$BasicExpectation.verifyOutcome(Expectations.java:70) org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:90) org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70) org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268) org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:266) org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:172) org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50) org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028) org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366) org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137) org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:655) org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:732) org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:701) org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:321) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:116) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) $Proxy7.DeleteForum(Unknown Source) foreach(list l in lists){l=lists[i];delete(l);}循环读取lists的值,逐渐删除掉 List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'"); 那我这个该怎么 用上面的删除呀 lists我这个该用什么来代替啊 List<topics> topicslist=hibernateTemplate.find("from topics where forumid='"+forumid+"'"); foreach(topics topic in topicslist){ delete(topic );} 这样就可以删除了List<topics> topicslist=hibernateTemplate.find("from topics where forumid='"+forumid+"'"); for(topics topic in topicslist){ delete(topic );} 这样删试一下吧,每一个对象都新分配新空间List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'"); 大家说用循环逐个删除集合对象 Iterator it=topics.iterator();while(it.hasNext()){topics top= new topics();// 每一个对象都新分配新空间top = (topics)it.next();hibernateTemplate.delete(top);} 楼主再试一下这个:List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'");hibernateTemplate.deleteAll(topics): 删除集合内全部持久化类实例。 List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'"); 大家说用循环逐个删除集合对象 Iterator it=topics.iterator();while(it.hasNext()){topics top= new topics();// 每一个对象都新分配新空间top = (topics)it.next();hibernateTemplate.delete(top);} 这个还是删除不了 这个是我的qq1404226085 希望高手帮我解决一下 ,谢谢啦 不同浏览器样式问题。 网易邮箱的短信通知功能是怎样实现的? JSP页面中的textarea值问题 跳转问题 弹窗代码 js 怎么改能弹出多个页面 做个权限管理的,希望能将管理具体到 page 请问下面的效果是怎么实现的呢??好像一直和服务器有连接啊 客户端调用EJB的代码, 编译正确, 但运行时显示没有正确的JNDI实现, 该怎么作?可以下载一个JNDI实现的包么? 这句显示文章标题的语句应该怎么改才对 如何配置jsp环境在windows98下? web项目发布问题! 请问日期怎么格式化?
{
l=lists[i];
delete(l);
}
循环读取lists的值,逐渐删除掉
List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'");
大家说用循环逐个删除集合对象
Iterator it=topics.iterator();
while(it.hasNext()){
topics top=(topics)it.next();
hibernateTemplate.delete(top);
} 可是我用上面的方法,报下面的错误啦 请高手指点这个是什么原因。最好是把循环删除的代码写出来谢谢!!
org.hibernate.jdbc.BatchedTooManyRowsAffectedException: Batch update returned unexpected row count from update [0]; actual row count: 2; expected: 1
org.hibernate.jdbc.Expectations$BasicExpectation.checkBatched(Expectations.java:95)
org.hibernate.jdbc.Expectations$BasicExpectation.verifyOutcome(Expectations.java:70)
org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:90)
org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70)
org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268)
org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:266)
org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:172)
org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)
org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028)
org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)
org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137)
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:655)
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:732)
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:701)
org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:321)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:116)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
$Proxy7.DeleteForum(Unknown Source)
{
l=lists[i];
delete(l);
}
循环读取lists的值,逐渐删除掉 List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'"); 那我这个该怎么 用上面的删除呀 lists我这个该用什么来代替啊
foreach(topics topic in topicslist)
{
delete(topic );
}
List<topics> topicslist=hibernateTemplate.find("from topics where forumid='"+forumid+"'");
for(topics topic in topicslist)
{
delete(topic );
}
大家说用循环逐个删除集合对象
Iterator it=topics.iterator();
while(it.hasNext()){
topics top= new topics();// 每一个对象都新分配新空间
top = (topics)it.next();
hibernateTemplate.delete(top);
}
List<topics> topics=hibernateTemplate.find("from topics where forumid='"+forumid+"'");
hibernateTemplate.deleteAll(topics): 删除集合内全部持久化类实例。
大家说用循环逐个删除集合对象
Iterator it=topics.iterator();
while(it.hasNext()){
topics top= new topics();// 每一个对象都新分配新空间
top = (topics)it.next();
hibernateTemplate.delete(top);
} 这个还是删除不了 这个是我的qq1404226085 希望高手帮我解决一下 ,谢谢啦