<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[www_com_111的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/www_com_111</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; www_com_111]]></copyright><item><title><![CDATA[解决：Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war]]></title><link>https://blog.youkuaiyun.com/www_com_111/article/details/120339636</link><guid>https://blog.youkuaiyun.com/www_com_111/article/details/120339636</guid><author>www_com_111</author><pubDate>Thu, 16 Sep 2021 23:11:32 +0800</pubDate><description><![CDATA[在我把自己的esplise升级之后，打包maven工程的时候就有这个问题，后面实验之后解决了

其实是主要找不到maven-war-plugin，这个相关的包，那么我们可以在pom.xml上加：


&lt;pluginManagement&gt;&lt;!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --&gt;
      &lt;plugins&gt;
        &]]></description><category></category></item><item><title><![CDATA[Maven+ssm连接oracle数据库]]></title><link>https://blog.youkuaiyun.com/www_com_111/article/details/119998865</link><guid>https://blog.youkuaiyun.com/www_com_111/article/details/119998865</guid><author>www_com_111</author><pubDate>Mon, 30 Aug 2021 16:14:07 +0800</pubDate><description><![CDATA[我连接的Oracle数据库是10g的；

在pom.xml上加

&lt;!--oracle包--&gt;


&lt;dependency&gt;

&lt;groupId&gt;com.oracle.jdbc&lt;/groupId&gt;

&lt;artifactId&gt;ojdbc14&lt;/artifactId&gt;

&lt;version&gt;10.2.0.1.0&lt;/version&gt;

&lt;/dependency&gt;

并且ojdbc14是...]]></description><category></category></item><item><title><![CDATA[判断list是否为空值]]></title><link>https://blog.youkuaiyun.com/www_com_111/article/details/119908023</link><guid>https://blog.youkuaiyun.com/www_com_111/article/details/119908023</guid><author>www_com_111</author><pubDate>Wed, 25 Aug 2021 12:05:53 +0800</pubDate><description><![CDATA[判断list是否为空


if(list!=null||list.size()!=0){

//不为空时的情况

}else{

//为空时的情况

}

list.isEmpty(),list.size()==0基本没有区别，isEmpty()判断是否有元素的存在，size()判断有几个元素；

list!=null,!list.isEmpty()的区别，就好比我们要去一个店里买东西，!list.isEmpty()是判断该店是否存在，list!=null是判断该店是否有东西可买

一般的用法是


if(]]></description><category></category></item><item><title><![CDATA[oracle library is not loaded解决方法]]></title><link>https://blog.youkuaiyun.com/www_com_111/article/details/119876078</link><guid>https://blog.youkuaiyun.com/www_com_111/article/details/119876078</guid><author>www_com_111</author><pubDate>Mon, 23 Aug 2021 19:35:33 +0800</pubDate><description><![CDATA[1.连接Oracle时提示“oracle library is not loaded”。

2.直接下载Oracle Instant Client Downloads。密码:bwp9

3.去Oracle官网下载Oracle Instant Client Downloads。



修改OCI library

打开Navicat Premium程序，打开“工具 - 选项 - 环境 - OCI环境 - OCI library (oci.dll)”，然后将你刚才下载的文件夹中的oci.dll文件的完整目录填上]]></description><category></category></item><item><title><![CDATA[maven动态调用表名查询]]></title><link>https://blog.youkuaiyun.com/www_com_111/article/details/119837845</link><guid>https://blog.youkuaiyun.com/www_com_111/article/details/119837845</guid><author>www_com_111</author><pubDate>Sat, 21 Aug 2021 12:47:45 +0800</pubDate><description><![CDATA[在mapper.xml


&lt;select

id="finname"

parameterType="String"

resultType="java.util.Map"

statementType="STATEMENT"&gt;

select count(*) from ${codeName} where status='yes'

&lt;/select&gt;

Mapper.java


publicMap&lt;String, String&gt; finname(@Pa...]]></description><category></category></item></channel></rss>