<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[aa_O_aa的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/aa_O_aa</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; aa_O_aa]]></copyright><item><title><![CDATA[git忽略提交指定文件]]></title><link>https://blog.youkuaiyun.com/aa_O_aa/article/details/116241937</link><guid>https://blog.youkuaiyun.com/aa_O_aa/article/details/116241937</guid><author>aa_O_aa</author><pubDate>Wed, 28 Apr 2021 19:59:20 +0800</pubDate><description><![CDATA[在项目目录下创建，.gitignore文件(注意前面有个点)，然后输入下面的内容
.idea/
**/target/*
*.iml


]]></description><category></category></item><item><title><![CDATA[Java导出excel下拉框大于255问题解决]]></title><link>https://blog.youkuaiyun.com/aa_O_aa/article/details/115204320</link><guid>https://blog.youkuaiyun.com/aa_O_aa/article/details/115204320</guid><author>aa_O_aa</author><pubDate>Thu, 25 Mar 2021 14:49:48 +0800</pubDate><description><![CDATA[问题描述：下载导入模板excel中有下拉框，内容过多，报错 String literals in formulas can’t be bigger than 255 characters ASCII
解决方法：
// wk:工作薄，sheepPro：导出主表，nameList:数据
private void initSecondIndustryData(Workbook wk,
                                        HSSFSheet sheetPro,
     ]]></description><category></category></item><item><title><![CDATA[Stream流的一些应用]]></title><link>https://blog.youkuaiyun.com/aa_O_aa/article/details/114916673</link><guid>https://blog.youkuaiyun.com/aa_O_aa/article/details/114916673</guid><author>aa_O_aa</author><pubDate>Sat, 20 Mar 2021 16:02:30 +0800</pubDate><description><![CDATA[自我学习记录
多条件过滤
baseInfo是list列表，根据enterpriseId，attrId,month过滤数据
baseInfo.stream().collect(Collectors.collectingAndThen(Collectors.toCollection(
                () -&gt; new TreeSet&lt;&gt;(Comparator.comparing(BasicIndicatorData::getEnterpriseId)
            ]]></description><category></category></item><item><title><![CDATA[Mybatis事务失效的几种情况]]></title><link>https://blog.youkuaiyun.com/aa_O_aa/article/details/109850489</link><guid>https://blog.youkuaiyun.com/aa_O_aa/article/details/109850489</guid><author>aa_O_aa</author><pubDate>Tue, 24 Nov 2020 17:16:47 +0800</pubDate><description><![CDATA[Mybatis事务
默认配置下，事务只会对Error和RuntimeException及其子类这些UNChecked异常，做出回滚。一般的Exception异常不会回滚，如果一般Exception想要回滚则需要手动抛出Runtimeexception进行回滚。
事务未生效
1、spring的事务注解@Transactional只能放在public修饰的方法上才起作用，如果放在其他非public（private，protected）方法上，虽然不报错，但是事务不起作用
2、如果采用spring+spring ]]></description><category></category></item><item><title><![CDATA[Tomcat8.5 输出日志乱码问题解决]]></title><link>https://blog.youkuaiyun.com/aa_O_aa/article/details/88326812</link><guid>https://blog.youkuaiyun.com/aa_O_aa/article/details/88326812</guid><author>aa_O_aa</author><pubDate>Fri, 08 Mar 2019 08:40:56 +0800</pubDate><description><![CDATA[配置好Tomcat以后，使用正常，Tomcat输出日志乱码。

出现问题时首先从百度上寻找解决方法。网上的解决方案如下：





上面是从网上查找的解决方法，我按照配置以后没有解决问题。最后修改了

Tomcat中的conf文件夹中的logging.properties文件中的java.util.logging.ConsoleHandler.encoding = UTF-8该行删除掉。就好了

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