package com.ruoyi.framework.config;
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import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
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import com.baomidou.mybatisplus.core.injector.AbstractMethod;
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import com.baomidou.mybatisplus.core.injector.DefaultSqlInjector;
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import com.baomidou.mybatisplus.core.injector.ISqlInjector;
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import com.baomidou.mybatisplus.core.metadata.TableInfo;
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import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
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import com.ruoyi.common.core.mybatisplus.methods.InsertAll;
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import com.ruoyi.framework.handler.CreateAndUpdateMetaObjectHandler;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.transaction.annotation.EnableTransactionManagement;
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import java.util.List;
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/**
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* mybatis-plus配置类(下方注释有插件介绍)
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*
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* @author Lion Li
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*/
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@EnableTransactionManagement(proxyTargetClass = true)
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@Configuration
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@MapperScan("${mybatis-plus.mapperPackage}")
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public class MybatisPlusConfig {
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@Bean
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public MybatisPlusInterceptor mybatisPlusInterceptor() {
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MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
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// 分页插件
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interceptor.addInnerInterceptor(paginationInnerInterceptor());
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// 乐观锁插件
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interceptor.addInnerInterceptor(optimisticLockerInnerInterceptor());
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return interceptor;
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}
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/**
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* 分页插件，自动识别数据库类型
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*/
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public PaginationInnerInterceptor paginationInnerInterceptor() {
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PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
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// 设置最大单页限制数量，默认 500 条，-1 不受限制
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paginationInnerInterceptor.setMaxLimit(-1L);
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// 分页合理化
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paginationInnerInterceptor.setOverflow(true);
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return paginationInnerInterceptor;
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}
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/**
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* 乐观锁插件
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*/
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public OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor() {
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return new OptimisticLockerInnerInterceptor();
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}
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/**
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* 元对象字段填充控制器
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*/
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@Bean
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public MetaObjectHandler metaObjectHandler() {
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return new CreateAndUpdateMetaObjectHandler();
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}
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/**
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* sql注入器配置
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*/
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@Bean
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public ISqlInjector sqlInjector() {
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return new DefaultSqlInjector() {
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@Override
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public List<AbstractMethod> getMethodList(Class<?> mapperClass, TableInfo tableInfo) {
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List<AbstractMethod> methodList = super.getMethodList(mapperClass, tableInfo);
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methodList.add(new InsertAll());
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return methodList;
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}
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};
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}
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/**
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* PaginationInnerInterceptor 分页插件，自动识别数据库类型
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* https://baomidou.com/guide/interceptor-pagination.html
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* OptimisticLockerInnerInterceptor 乐观锁插件
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* https://baomidou.com/guide/interceptor-optimistic-locker.html
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* MetaObjectHandler 元对象字段填充控制器
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* https://baomidou.com/guide/auto-fill-metainfo.html
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* ISqlInjector sql注入器
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* https://baomidou.com/guide/sql-injector.html
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* BlockAttackInnerInterceptor 如果是对全表的删除或更新操作，就会终止该操作
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* https://baomidou.com/guide/interceptor-block-attack.html
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* IllegalSQLInnerInterceptor sql性能规范插件(垃圾SQL拦截)
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* IdentifierGenerator 自定义主键策略
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* https://baomidou.com/guide/id-generator.html
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* TenantLineInnerInterceptor 多租户插件
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* https://baomidou.com/guide/interceptor-tenant-line.html
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* DynamicTableNameInnerInterceptor 动态表名插件
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* https://baomidou.com/guide/interceptor-dynamic-table-name.html
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*/
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}
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