<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[python学习笔记]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/nkd50000</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; nkd50000]]></copyright><item><title><![CDATA[在win11中安装mysql8.0报错（出现initializing database安装失败解决办法）]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/126024731</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/126024731</guid><author>nkd50000</author><pubDate>Wed, 27 Jul 2022 22:45:49 +0800</pubDate><description><![CDATA[我的电脑----->“高级系统设置”---->“环境变量”----->只增加系统变量就好"系统变量"----->新建“MySQL的bin的位置，比如D\ProgramFiles\MySQL\MySQLServer8.0\bin”三、在win11下安装到最后的时候，老是卡住，报错安装initializingdatabase安装失败。二、选择密码模式的时候，选第二项，可以兼容mysql5.0。一、选开发者模式（这个比较适合我）四、最后配置环境变量。...]]></description><category></category></item><item><title><![CDATA[springboot druid的application.yaml配置]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/122871721</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/122871721</guid><author>nkd50000</author><pubDate>Fri, 11 Feb 2022 00:04:09 +0800</pubDate><description><![CDATA[spring:
  datasource:
    username: root
    password: 123456
    #?serverTimezone=UTC解决时区的报错
    url: jdbc:mysql://localhost:3306/数据库名称?serverTimezone=UTC&amp;useUnicode=true&amp;characterEncoding=utf-8
    driver-class-name: com.mysql.cj.jdbc.Driver
    ]]></description><category></category></item><item><title><![CDATA[SSM一个简单项目架构（要熟记）]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121628121</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121628121</guid><author>nkd50000</author><pubDate>Tue, 30 Nov 2021 12:12:56 +0800</pubDate><description><![CDATA[文章目录一、整体架构二、具体步骤1.创建数据库2.导入依赖pox.xml3.1 pojo3.2 dao3.3 service3.4 controller4.1 data.properties4.2 applicationContext.xml4.3 mybatis-config.xml4.4 spring-dao.xml4.5 spring-service.xml4.6 spring-mvc.xml5.1 WEB-INF/jsp/allbook.jsp5.2 web.xml总结


一、整体架构

二、具体]]></description><category></category></item><item><title><![CDATA[IDE中，applicationContext.xml的配置文件修改办法]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121627582</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121627582</guid><author>nkd50000</author><pubDate>Tue, 30 Nov 2021 10:53:34 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[Spring中@Autowired 注解的注入规则]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121593808</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121593808</guid><author>nkd50000</author><pubDate>Sun, 28 Nov 2021 16:50:30 +0800</pubDate><description><![CDATA[默认根据类型，匹配不到则根据bean名字
1.声明一个service接口
public interface HelloService {
    void sayHello();
}

2.service接口的实现类，此时bean名字是 helloServiceImpl
@Service
public class HelloServiceImpl implements HelloService {
    @Override
    public void sayHello() {
        Syst]]></description><category></category></item><item><title><![CDATA[SSM依赖、Maven资源过滤设置]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121590205</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121590205</guid><author>nkd50000</author><pubDate>Sun, 28 Nov 2021 13:32:49 +0800</pubDate><description><![CDATA[&lt;dependencies&gt;
   &lt;!--Junit--&gt;
   &lt;dependency&gt;
       &lt;groupId&gt;junit&lt;/groupId&gt;
       &lt;artifactId&gt;junit&lt;/artifactId&gt;
       &lt;version&gt;4.12&lt;/version&gt;
   &lt;/dependency&gt;
   &lt;!--数据库驱动--&gt;
   &lt;de]]></description><category></category></item><item><title><![CDATA[lombok在IDEA中的安装（这是个插件）]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121555149</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121555149</guid><author>nkd50000</author><pubDate>Fri, 26 Nov 2021 10:54:51 +0800</pubDate><description><![CDATA[lombok是个插件，所以只添加依赖是不行的。
步骤一：IDEA中添加插件

步骤二：在pom.xml中添加插件
   &lt;dependency&gt;
        &lt;groupId&gt;org.projectlombok&lt;/groupId&gt;
        &lt;artifactId&gt;lombok&lt;/artifactId&gt;
        &lt;version&gt;1.18.22&lt;/version&gt;
        &lt;scope&gt;]]></description><category></category></item><item><title><![CDATA[SpringMVC中web.xml,springmvc-config.xml固定代码]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121539908</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121539908</guid><author>nkd50000</author><pubDate>Thu, 25 Nov 2021 15:59:45 +0800</pubDate><description><![CDATA[一、web.xml
&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/]]></description><category></category></item><item><title><![CDATA[SpringMVC常用依赖]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121538841</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121538841</guid><author>nkd50000</author><pubDate>Thu, 25 Nov 2021 15:37:12 +0800</pubDate><description><![CDATA[&lt;!--    测试包--&gt;
    &lt;dependency&gt;
        &lt;groupId&gt;junit&lt;/groupId&gt;
        &lt;artifactId&gt;junit&lt;/artifactId&gt;
        &lt;version&gt;4.13.2&lt;/version&gt;
        &lt;scope&gt;test&lt;/scope&gt;
    &lt;/dependency&gt;
&lt;!-]]></description><category></category></item><item><title><![CDATA[解决Json返回前端乱码的办法]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121538620</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121538620</guid><author>nkd50000</author><pubDate>Thu, 25 Nov 2021 15:19:26 +0800</pubDate><description><![CDATA[可以在springmvc的配置文件上，添加一段消息转换配置。StringHttpMessageConverter
&lt;mvc:annotation-driven&gt;
   &lt;mvc:message-converters register-defaults="true"&gt;
       &lt;bean class="org.springframework.http.converter.StringHttpMessageConverter"&gt;
           &lt;const]]></description><category></category></item><item><title><![CDATA[SpringMVC解决中文乱码]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121494322</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121494322</guid><author>nkd50000</author><pubDate>Tue, 23 Nov 2021 15:25:44 +0800</pubDate><description><![CDATA[在web.xml中配置
&lt;filter&gt;
    &lt;filter-name&gt;encoding&lt;/filter-name&gt;
    &lt;filter-class&gt;org.springframework.web.filter.CharacterEncodingFilter&lt;/filter-class&gt;
    &lt;init-param&gt;
        &lt;param-name&gt;encoding&lt;/param-name&gt;
]]></description><category></category></item><item><title><![CDATA[SpringMVC+注解开启约束]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121459784</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121459784</guid><author>nkd50000</author><pubDate>Sun, 21 Nov 2021 20:42:32 +0800</pubDate><description><![CDATA[&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;beans xmlns="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xmlns:context="http://www.springframework.org/schema/context"
      xmlns:mvc="htt.]]></description><category></category></item><item><title><![CDATA[Maven可能存在资源过滤问题解决办法]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/121459738</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/121459738</guid><author>nkd50000</author><pubDate>Sun, 21 Nov 2021 20:40:23 +0800</pubDate><description><![CDATA[在pom.xml中增加

&lt;build&gt;
   &lt;resources&gt;
       &lt;resource&gt;
           &lt;directory&gt;src/main/java&lt;/directory&gt;
           &lt;includes&gt;
               &lt;include&gt;**/*.properties&lt;/include&gt;
               &lt;include&gt;**/*]]></description><category></category></item><item><title><![CDATA[spring需要导入的依赖库（这个库比较全）以及beans的配置文件]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/120243404</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/120243404</guid><author>nkd50000</author><pubDate>Sat, 11 Sep 2021 21:20:37 +0800</pubDate><description><![CDATA[一、到maven仓库（maven Repository）中找------Spring Web MVC

&lt;!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --&gt;
&lt;dependency&gt;
    &lt;groupId&gt;org.springframework&lt;/groupId&gt;
    &lt;artifactId&gt;spring-webmvc&lt;/artifa]]></description><category></category></item><item><title><![CDATA[pom.xml文件复制到项目之后，显示橙色]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/119306629</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/119306629</guid><author>nkd50000</author><pubDate>Mon, 02 Aug 2021 00:28:41 +0800</pubDate><description><![CDATA[解决办法：
右键——Add Maven Project


]]></description><category></category></item><item><title><![CDATA[Mysql: 错误代码：1054 Unknown column ‘ ‘ in ‘field list‘]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/119305408</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/119305408</guid><author>nkd50000</author><pubDate>Sun, 01 Aug 2021 23:06:58 +0800</pubDate><description><![CDATA[Mysql: 错误代码：1054   Unknown column ’   ’ in ‘field list’
CREATE TABLE `teacher`(
`id` INT(8) NOT NULL,
`name` VARCHAR(20) DEFAULT NULL,
PRIMARY KEY(`id`)
)ENGINE=INNODB DEFAULT CHARSET=utf8

CREATE TABLE `student`(
`id` INT(10) NOT NULL,
`name` VARCHAR(20) ]]></description><category></category></item><item><title><![CDATA[Maven思维导图]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/118103299</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/118103299</guid><author>nkd50000</author><pubDate>Tue, 22 Jun 2021 11:22:32 +0800</pubDate><description><![CDATA[Maven思维导图

]]></description><category></category></item><item><title><![CDATA[maven目录结构及默认仓库位置的修改]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/118013427</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/118013427</guid><author>nkd50000</author><pubDate>Fri, 18 Jun 2021 07:49:54 +0800</pubDate><description><![CDATA[maven仓库的配置




]]></description><category></category></item><item><title><![CDATA[Maven的下载和配置]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/117980007</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/117980007</guid><author>nkd50000</author><pubDate>Thu, 17 Jun 2021 08:48:43 +0800</pubDate><description><![CDATA[一、下载

二、配置





]]></description><category></category></item><item><title><![CDATA[web.xml中＜load-on-startup＞中值的调用]]></title><link>https://blog.youkuaiyun.com/nkd50000/article/details/116268066</link><guid>https://blog.youkuaiyun.com/nkd50000/article/details/116268066</guid><author>nkd50000</author><pubDate>Thu, 29 Apr 2021 14:18:42 +0800</pubDate><description><![CDATA[web.xml中load-on-startup的作用
我们在web.xml中配置servlet的时候会有个属性:

load-on-startup元素标记容器是否应该在web应用程序启动的时候，就加载这个servlet，(实例化并调用其init()方法)。
它的值必须是一个整数，表示servlet被加载的先后顺序。 如果该元素的值为负数或者没有设置，则容器会当Servlet被请求时再加载。
这个值越小，越先执行。


...]]></description><category></category></item></channel></rss>