今天完成的事情：（一定要写非常细致的内容，比如说学会了盒子模型，了解了Margin）

server:
  port: 8080
spring:
  datasource:
    url: jdbc:mysql://localhost:3306/run
    username: root
    password: 199410
    driver-class-name: com.mysql.cj.jdbc.Driver
  mvc:
    view:
      prefix: /templates/
      suffix: .html
mybatis:
  mapper-locations: classpath:mapper/*.xml
  type-aliases-package: org.example.model
  configuration:
    map-underscore-to-camel-case: true

package org.example.config;

import org.springframework.boot.web.servlet.MultipartConfigFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.unit.DataSize;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import javax.servlet.MultipartConfigElement;

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

    // 替代 <mvc:view-controller path="/" view-name="index"/>
    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("index");
    }

    // 文件上传配置 (替代 multipart-config)
    @Bean
    public MultipartConfigElement multipartConfigElement() {
        MultipartConfigFactory factory = new MultipartConfigFactory();
        factory.setLocation("/tmp");
        factory.setMaxFileSize(DataSize.parse("100MB"));
        factory.setMaxRequestSize(DataSize.parse("200MB"));
        factory.setFileSizeThreshold(DataSize.parse("5MB"));
        return factory.createMultipartConfig();
    }
}

package org.example.config;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.filter.CharacterEncodingFilter;

@Configuration
public class FilterConfig {

    @Bean
    public FilterRegistrationBean<CharacterEncodingFilter> encodingFilter() {
        FilterRegistrationBean<CharacterEncodingFilter> registrationBean = new FilterRegistrationBean<>();
        CharacterEncodingFilter filter = new CharacterEncodingFilter();
        filter.setEncoding("UTF-8");
        filter.setForceEncoding(true);
        registrationBean.setFilter(filter);
        registrationBean.addUrlPatterns("/*");
        return registrationBean;
    }
}

package org.example.config;

import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class DruidConfig {

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DruidDataSource druidDataSource() {
        return new DruidDataSource();
    }
}

明天计划的事情：（一定要写非常细致的内容）
遇到的问题：（遇到什么困难，怎么解决的）
收获：（通过今天的学习，学到了什么知识