liding
15 小时以前 71fba5328a35b449b11088e540932787220f91d8
ruoyi-framework/src/main/java/com/ruoyi/framework/config/MybatisPlusConfig.java
@@ -1,57 +1,49 @@
package com.ruoyi.framework.config;
import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.autoconfigure.ConfigurationCustomizer;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.BlockAttackInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import com.ruoyi.common.handler.LocalDateTimeTypeHandler;
import org.apache.ibatis.type.JdbcType;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;
/**
 * Mybatis Plus 配置
 *
 * @author ruoyi
 */
@EnableTransactionManagement(proxyTargetClass = true)
@Configuration
public class MybatisPlusConfig {
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        // 分页插件
        interceptor.addInnerInterceptor(paginationInnerInterceptor());
        // 乐观锁插件
        interceptor.addInnerInterceptor(optimisticLockerInnerInterceptor());
        // 阻断插件
        interceptor.addInnerInterceptor(blockAttackInnerInterceptor());
        // 1. 分页插件 - 指定 PostgreSQL 数据库类型
        PaginationInnerInterceptor pagination = new PaginationInnerInterceptor(DbType.POSTGRE_SQL);
        pagination.setOptimizeJoin(true); // 优化 JOIN 查询
        pagination.setMaxLimit(500L); // 设置最大单页限制
        interceptor.addInnerInterceptor(pagination);
        // 2. 乐观锁插件
        interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
        // 3. 防止全表更新/删除插件
        interceptor.addInnerInterceptor(new BlockAttackInnerInterceptor());
        return interceptor;
    }
    /**
     * 分页插件,自动识别数据库类型 https://baomidou.com/guide/interceptor-pagination.html
     */
    public PaginationInnerInterceptor paginationInnerInterceptor() {
        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
        // 设置数据库类型为mysql
        paginationInnerInterceptor.setDbType(DbType.MYSQL);
        // 设置最大单页限制数量,默认 500 条,-1 不受限制
        paginationInnerInterceptor.setMaxLimit(-1L);
        return paginationInnerInterceptor;
    }
    // 4. 添加全局类型处理器配置
    @Bean
    public ConfigurationCustomizer configurationCustomizer() {
        return configuration -> {
            // 注册 LocalDateTime 类型处理器
            configuration.getTypeHandlerRegistry().register(new LocalDateTimeTypeHandler());
    /**
     * 乐观锁插件 https://baomidou.com/guide/interceptor-optimistic-locker.html
     */
    public OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor() {
        return new OptimisticLockerInnerInterceptor();
    }
            // 设置空值处理策略
            configuration.setJdbcTypeForNull(JdbcType.NULL);
    /**
     * 如果是对全表的删除或更新操作,就会终止该操作 https://baomidou.com/guide/interceptor-block-attack.html
     */
    public BlockAttackInnerInterceptor blockAttackInnerInterceptor() {
        return new BlockAttackInnerInterceptor();
            // 启用自动驼峰命名规则映射
            configuration.setMapUnderscoreToCamelCase(true);
        };
    }
}