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SpringBoot整合单元测试&&关于SpringBoot单元测试找不到Mapper和Service报java.lang.NullPointerException的错误根据SpringBoot版本引入依赖 <dependency> <...

Mybatis：Error parsing SQL Mapper Configuration. Cause: java.io.IOException: Could not find resource

Bug分析：看错误可知，找不到mapper文件。首先我们查看配置文件（mybatis-config.xml）路径是否写正确。路径是没问题，配置的几种方式我也都试过了。于是将Xxxmapper.xml文件放到resource目录下，发现可以访问。Bug思考：就在想为什么放在dao层中写路径就访问不到了...

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org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgume

用SpringBoot整合Mybatis的时候出了状况。Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2019-08...

[@倚贤][¥20]Mybatis使用XML创建查询规则好还是使用Mapper加Provider的Java类创建好？

Mybatis中有些例子是通过XML创建查询规则的，我也看到有些项目MySQL的查询规则是直接写在Mapper的Java类文件里面的。有时还会有一个叫Provider的Java类里面也写了创建查询规则的语句。我的问题是：在比较专业的项目中，使用哪一种形式做Mybatis的数据开发比较好？为什么？谢谢...

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