Redis docker安装拉取镜像docker pull redis:latest启动redisdocker run -itd --name redis -p 6379:6379 redis端口映射到了本地6379端口使用idea连接

报错1Resolved [org.springframework.http.converter.HttpMessageNotWritableException: No converter for [class cn.meowrain.pojo.User] with preset Content-Ty

依赖添加 <dependency> <groupId>com.mysql</groupId> <artifactId>mysql-connector-j</artifactId>

创建普通项目修改项目依赖：<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" x

第25章 JDBC 和数据库连接池JDBC 概述基本介绍模拟JDBCJDBC 带来的好处JDBC 快速入门JDBC 程序编写步骤JDBC 第一个程序获取数据库连接5种方式方式1方式2方式3方式4方式5ResultSet[结果集]基本介绍应用实例Statement基本介绍PreparedStateme

BasicDaopackage org.example.dao;import org.apache.commons.dbutils.QueryRunner;import org.apache.commons.dbutils.handlers.BeanHandler;import org.apache

mavenhttps://mvnrepository.com/artifact/commons-dbutils/commons-dbutils<?xml version="1.0" encoding="UTF-8"?><project xml

Druid配置driverClassName=com.mysql.jdbc.Driverurl=jdbc:mysql://localhost:3306/meowrainusername=rootpassword=rootinitialSize=10minIdle=5maxActive=50maxWa

package org.c3p0tets.datasourcec;import com.mchange.v2.c3p0.ComboPooledDataSource;import java.io.FileInputStream;import java.sql.Connection;import jav

Spring MVC项目创建把没用的文件删掉添加依赖 <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency>