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Articles by Loadcustom LogImpl

MyBatis原理分析之获取SqlSessionFactory-阿里云开发者社区

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By loadCustom Vfs, Loadcustom LogImpl
| dasizhe.cn
MyBatis的执行原理分为如下四步: ① 获取SqlSessionFactory ② 获取SqlSession ③ 获取mapper的代理对象 ④ sqlsession进行具体CRUD过程 这里又分为三种场景： ① 无spring环境 自己手动根据mybatis配置文件获取SqlSessionFactory和SqlSession ② 传统ssm环境 通常在applicationContext.xml中注册了SqlSessionFactory和SqlSession ③ SpringBoot环境 SpringBoot做了自动化配置，当然你也可以自定义注册 这里咱们从第一种场景(无spring)进行分析。 【1】抽象类BaseBuilder与子类 BaseBuilder 有如下子类： XMLConfigBuilder 用来解析mybatis全局配置，初步获取Configuration实例 XMLMapperBuilder 解析mapper.xml文件，每个XMLMapperBuilder实例有成员实例MapperBuilderAssistant...
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Mybatis源码的理解_小刘同学要加油呀的博客-CSDN博客

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By loadCustom Vfs, Loadcustom LogImpl, Object parameterObject, Properties variables
| CSDN
# 1.Configuration类 1.1 配置文件mybatis-config.xml <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "https://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <properties resource="db.properties"></properties> <settings> <setting name="logImpl" value="STDOUT_LOGGING"/> <setting name="cacheEnabled" value="true"/> </settings> <environments default="development"> <environment id="development"> <transactionManager type="JDBC"/>...
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MyBatis源码分析（二、续）SqlSource创建流程，SQL如何解析？如何将#{id}变成?的_秃了也弱了。的博客-CSDN博客

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By loadCustom Vfs, Loadcustom LogImpl, configuration.addLoaded Resource, Bindmapper ForNamespace
| CSDN
此处我们分析的sql： <select id="selectBlog" resultType="com.demo.Blog" useCache="true"> select * from blog where id = #{id} </select> 在处理配置文件时，会处理Mapper.xml文件： private void parseConfiguration(XNode root) { try { propertiesElement(root.evalNode("properties")); Properties settings = settingsAsProperties(root.evalNode("settings")); loadCustomVfs(settings); loadCustomLogImpl(settings); typeAliasesElement(root.evalNode("typeAliases")); pluginElement(root.evalNode("plugins"));...
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