MyBatis-Plus找不到Mapper.xml文件，解决方法

清疚 2023-02-10 07:39 94阅读 0赞

### MyBatis-Plus找不到Mapper.xml文件 ###

*  1.原因1：
 *  原因2：
 *  原因3：

# 1.原因1： #

Mapper的命名空间和Dao层的接口。此种原因的解决方法为将命名空间和接口名一致。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70 1]

# 原因2： #

maven的配置  
检查下pom所用的jar包。  
**mybatis-plus包和mybatis包别搞混了**  
mybatis -plus的配置为  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70 2]  
pom为  
![在这里插入图片描述][20200520172736430.png]

# 原因3： #

Mapper.xml的位置是在java目录下，而非resource目录下。  
此处需加收进行扫描  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70 3]

<resources>
    			<resource>
    				<directory>src/main/java</directory>
    				<includes>
    					<include>**/*.xml</include> <include>**/*.properties</include>
    				</includes>
    			</resource>
    			<resource>
    				<directory>src/main/resources</directory>
    			</resource>
    		</resources>

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200520171421337.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20200520172406925.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20200520172649394.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx,size_16,color_FFFFFF,t_70
[20200520172736430.png]: https://img-blog.csdnimg.cn/20200520172736430.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx_size_16_color_FFFFFF_t_70 3]: https://img-blog.csdnimg.cn/20200520173555378.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTc3NDQx,size_16,color_FFFFFF,t_70