<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[陆洋的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_44587785</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_44587785]]></copyright><item><title><![CDATA[STM32 HAL库之printf()重定向]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/129509980</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/129509980</guid><author>qq_44587785</author><pubDate>Mon, 13 Mar 2023 22:56:20 +0800</pubDate><description><![CDATA[【代码】STM32 HAL库之printf()重定向。]]></description><category></category></item><item><title><![CDATA[Java之命名规范]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125767082</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125767082</guid><author>qq_44587785</author><pubDate>Thu, 14 Jul 2022 22:33:58 +0800</pubDate><description><![CDATA[Java之命名规范]]></description><category></category></item><item><title><![CDATA[Java之GUI的TextArea和JTextArea的自动换行和滚动条]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125766732</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125766732</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 16:29:29 +0800</pubDate><description><![CDATA[Java之GUI的TextArea和JTextArea的自动换行和滚动条]]></description><category></category></item><item><title><![CDATA[Java之获取时间/日期/时间戳及格式化]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125766258</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125766258</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 16:17:55 +0800</pubDate><description><![CDATA[Java之获取时间/日期/时间戳及格式化]]></description><category></category></item><item><title><![CDATA[Java之GUI在一个窗口中打开新窗口，自动关闭旧窗口]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125766053</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125766053</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 16:00:14 +0800</pubDate><description><![CDATA[Java之GUI在一个窗口中打开新窗口，自动关闭旧窗口]]></description><category></category></item><item><title><![CDATA[Java之GUI点击一个窗口中的按钮弹出另外一个窗口，关闭弹出窗口时两个窗口都关闭或只关闭弹出窗口]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125765820</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125765820</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 15:53:24 +0800</pubDate><description><![CDATA[Java之GUI点击一个窗口中的按钮弹出另外一个窗口，关闭弹出窗口时两个窗口都关闭或只关闭弹出窗口]]></description><category></category></item><item><title><![CDATA[Java之JDBC创建表名不同，表头相同的表]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125765128</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125765128</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 15:44:31 +0800</pubDate><description><![CDATA[Java之JDBC创建表名不同，表头相同的表]]></description><category></category></item><item><title><![CDATA[Java之JDBC创建表之前判断表是否存在]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125764643</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125764643</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 15:22:40 +0800</pubDate><description><![CDATA[Java之JDBC的创建表之前检查表是否存在]]></description><category></category></item><item><title><![CDATA[Java之HashMap的三种遍历方式]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125764212</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125764212</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 15:10:19 +0800</pubDate><description><![CDATA[Java之HashMap的三种遍历方式]]></description><category></category></item><item><title><![CDATA[Java的GUI之点击Label组件响应]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125763952</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125763952</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 14:54:57 +0800</pubDate><description><![CDATA[Java的GUI之点击Label组件的响应]]></description><category></category></item><item><title><![CDATA[Java的GUI之密码框的使用]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125763374</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125763374</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 14:45:08 +0800</pubDate><description><![CDATA[Java的GUI的密码框使用]]></description><category></category></item><item><title><![CDATA[Java的GUI(Swing)添加背景图片]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125762974</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125762974</guid><author>qq_44587785</author><pubDate>Wed, 13 Jul 2022 14:29:32 +0800</pubDate><description><![CDATA[Java的GUI设置背景图片，且不遮挡]]></description><category></category></item><item><title><![CDATA[IDEA之创建JavaEE项目并配置Tomcat]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125026154</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125026154</guid><author>qq_44587785</author><pubDate>Sun, 29 May 2022 19:16:04 +0800</pubDate><description><![CDATA[一、环境介绍

IDEA版本：2019.3.3

Tomcat版本：9

注：不同版本的IDEA配置界面有所差别，IDEA 2019.3.3的版本不支持Tomcat版本高于9的，因为高于9在配置Tomcat的时候会报错。

二、创建JavaEE项目

1.File------New------Project



2.Java Enterprise-----勾选Web Application-----Application Server(新手不用管，空着就好了，之前配置过的会显示配置的服务器)----Ne.]]></description><category></category></item><item><title><![CDATA[IDEA报错之读取jar出错：zip file is empty]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125026201</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125026201</guid><author>qq_44587785</author><pubDate>Sun, 29 May 2022 01:34:18 +0800</pubDate><description><![CDATA[问题描述

Error:java: 读取E:\JAVA\EE-WorkSpace-IDEA\Experience7-Demo1-Expand\web\WEB-INF\lib\ant-1.9.6.jar时出错; zip file is empty

解决办法

1、找到对应文件夹



2、展开lib文件夹



3、查看具体是哪一个jar包，看其前面有没有对应的三角箭头。如果没有，将其删除，重新添加，然后重新运行工程；若删除重新添加重新运行之后还没有三角箭头，则去网上重新下载一个同名的jar包，版本号可以不]]></description><category></category></item><item><title><![CDATA[IDEA报错之配置Tomcat时出现Application server libraries not found]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125026074</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125026074</guid><author>qq_44587785</author><pubDate>Sun, 29 May 2022 01:15:44 +0800</pubDate><description><![CDATA[问题描述

 IDEA配置Tomcat的时候，选择了Tomcat目录，点击OK，却报错 Application server libraries not found 。



解决办法

 我原本用的是Tomcat10，IDEA版本是2019.3.3，可能是我的 IDEA 版本不支持 Tomcat10，去Tomcat官网重新下载个 Tomcat9，问题就得以解决了。
...]]></description><category></category></item><item><title><![CDATA[IDEA报错之Could not find resource mybatis-config.xml]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125025924</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125025924</guid><author>qq_44587785</author><pubDate>Sun, 29 May 2022 01:02:28 +0800</pubDate><description><![CDATA[问题描述

 在构建mybatis项目时，出现Could not find resource mybatis-config.xml的原因有很多种，大部分都是粗心造成的，如mybatis-config.xml文件没有放在resources文件夹下、resources文件夹没有设置为资源文件夹，这些错误网上介绍的博主很多，就不详述了。如果确认这些都没问题，可以尝试将src文件夹设置为Source Root。

解决办法

 鼠标左键点击src文件夹，然后鼠标放上面，右击，出现如下窗口...]]></description><category></category></item><item><title><![CDATA[JavaEE之Servlet中文乱码问题]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/125025796</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/125025796</guid><author>qq_44587785</author><pubDate>Sun, 29 May 2022 00:44:28 +0800</pubDate><description><![CDATA[在使用Servlet时，经常涉及到获取表单中文数据乱码或者向页面打印中文乱码问题，只需要在Servlet的doGet()函数中加入下面两行代码则完美解决接收和发送中文乱码问题。


request.setCharacterEncoding("UTF-8");              //解决接收乱码问题
response.setCharacterEncoding("UTF-8");             //解决输出乱码问题


...]]></description><category></category></item><item><title><![CDATA[JavaEE连接数据库是出现connection is null解决办法]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/124906080</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/124906080</guid><author>qq_44587785</author><pubDate>Sun, 22 May 2022 02:01:07 +0800</pubDate><description><![CDATA[问题如下：



解决办法：

第一种情况：

小白，第一次连接数据库，八成是因为没有导入对应数据库的jar包，导入jar就可以了

注：数据库版本和导入对应的jar包版本不能相差过多。

 eclipse中导入jar包应用到整个工作空间可以点击下面的链接：

Eclipse中jar包应用到整个工作空间_@陆先生的博客-优快云博客一、点击project，然后点击Properties二、然后依次点击Java Build Path------Libraries--...]]></description><category></category></item><item><title><![CDATA[Eclipse中jar包应用到整个工作空间]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/124906007</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/124906007</guid><author>qq_44587785</author><pubDate>Sun, 22 May 2022 01:55:53 +0800</pubDate><description><![CDATA[一、点击project，然后点击Properties



二、然后依次点击Java Build Path------Libraries------JRE System Library[JAVA]------Edit



三、然后点击Installed JREs



四、然后先点击下图中间框起来这个，接着点击Edit



五、然后先点击下图左边框起来这个，然后点击右边的Add External JARs



六、添加需要添加的jar包，添加完成点击Finish



七、先点击Appl...]]></description><category></category></item><item><title><![CDATA[C#之一个PictureBox显示不同图片]]></title><link>https://blog.youkuaiyun.com/qq_44587785/article/details/124223189</link><guid>https://blog.youkuaiyun.com/qq_44587785/article/details/124223189</guid><author>qq_44587785</author><pubDate>Sat, 16 Apr 2022 23:53:08 +0800</pubDate><description><![CDATA[1.使用Bitmap创建要显示的图片的对象，一个图片对应一个对象，如下图所示


Bitmap Green = new Bitmap("F:\\C#Project\\SerialAssisant\\Picture\\Green.png");
Bitmap Red = new Bitmap("F:\\C#Project\\SerialAssisant\\Picture\\Red.png");

2.通过pictureBox1.Image进行赋值对应图片，pictureBox1是PictureBox控件的Nam]]></description><category></category></item></channel></rss>