Mybatis 开启控制台打印sql语句

springboot mybatis整合过程中,开启控制台sql语句打印的多种方式:

附:mybatis官方文档

方法一:

1.在mybatis的配置文件中添加:

<settings>    <!-- 打印sql日志 -->    <setting name="logImpl" value="STDOUT_LOGGING" /></settings>

mybatis的配置文件----mybatis-config.xml如下:

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configuration        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"        "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>    <settings>        <!-- 打印sql日志 -->        <setting name="logImpl" value="STDOUT_LOGGING" />    </settings></configuration>

2.在springboot的配置文件----appcation.yml中添加:

mybatis:    configuration:      log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

ps:

IDEA中,springboot默认配置文件是application.properties文件,但是yml文件在语法上更加简洁,更有层次感,所以此处是用yml语法,properties中好像是这么写的:mybatis.configuration.log-impl= org.apache.ibatis.logging.stdout.StdOutImpl

控制台可以打印了。。。。。

方法二:

在springboot mybatis整合中,可以将springboot的配置文件添加如下一段也可:

logging:  level:    com.lucifer.springboot.cache.mapper: debug

ps:  com.lucifer.springboot.cache.mapper是包名

方法三:

如果你使用的是springboot mybatis-plus的话:

<dependency>       <groupId>com.baomidou</groupId>       <artifactId>mybatis-plus-boot-starter</artifactId>       <version>3.3.1</version>  </dependency>

application.yml:

mybatis-plus:  configuration:    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

控制台打印:

JDBC Connection [HikariProxyConnection@1006460161 wrapping com.mysql.cj.jdbc.ConnectionImpl@37cccae8] will not be managed by Spring==>  Preparing: SELECT id,user_name,age FROM user WHERE (user_name = ?) ==> Parameters: 张三(String)<==    Columns: id, user_name, age<==        Row: 1, 张三, 18<==      Total: 1

来源:https://www.icode9.com/content-2-806951.html

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