错误原因 在pom中引入了mybatis-spring-boot-starter ,Spring boot默认会加载org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration类,DataSourceAutoConfiguration类使用了@Configuration注解向spring注入了dataSource bean.因为工程中没有关于dataSource相关的配置信息,当spring创建dataSource…

更多精彩关注微信公众号 错误原因 在pom中引入了mybatis-spring-boot-starter ,Spring boot默认会加载org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration类,DataSourceAutoConfiguration类使用了@Configuration注解向spring注入了dataSource bean.因为工程中没有关于dataSource相关的配置信息,当spring…

为了使查询数据库时,可以使用命名参数,则要用NamedParameterJdbcTemplate 1.Java文件配置 @Bean public NamedParameterJdbcTemplate jdbcTemplate(DataSource dataSource) { return new NamedParameterJdbcTemplate(dataSource); } 2.在Dao层中使用 private static final String INSERT_SPITTER = "in…

一.概述 1.Spring offers several options for configuring data-source beans in your Spring application, including these:  Data sources that are defined by a JDBC driver Data sources that are looked up by JNDI Data sources that pool connections 2. 二.四种方…

0.结构 一.JDBC层 1. package spittr.db; import java.util.List; import spittr.domain.Spitter; /** * Repository interface with operations for {@link Spitter} persistence. * @author habuma */ public interface SpitterRepository { long count(); Spitter save(Sp…

1.spring扩展的jdbc异常 2.Template的运行机制 Spring separates the fixed and variable parts of the data-access process into two distinct classes: templates and callbacks. Templates manage the fixed part of the process,whereas your custom data-access code is hand…

Application.properties 中#指定端口号 server.port= #指定访问路径必须以/crud/xxx 开始 server.servlet.context-path=/crud #指定编码格式 server.tomcat.uri-encoding=UTF- #指定日期格式 spring.mvc.date-format=yyyy-MM-dd # 禁用缓存 spring.thymeleaf.cache=false # 国际化配置文件(包名.基础名) spring.messag…

问题描述 *************************** APPLICATION FAILED TO START *************************** Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a sui…

学习Spring Boot 过程中遇到了下列这个问题 Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.//无法配置数据库,没有指定url属性,并且无法配置embedded datasourceReason: Failed to determine a suitable driver class…

2018-11-21 19:43:12.076 WARN 5392 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean wi…