[feat] 集成mybatis-plus

ruoyi-admin/src/main/java/com/ruoyi/web/core/config/MplusMetaObjectHandler.java

@@ -0,0 +1,96 @@
+package com.ruoyi.web.core.config;
+
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import org.apache.ibatis.reflection.MetaObject;
+
+import java.util.Date;
+
+/**
+ * 注入公共字段自动填充,任选注入方式即可
+ * <h2>
+ * 继承使用
+ * </h2>
+ * <p>
+ * 继承后<i>重写 {@link #getOperator()}</i> 和 <i>重新注入 Bean</i>
+ * </p>
+ * <pre>
+ *     @author yexuejc
+ * @Bean
+ *     public MyMetaObjectHandler metaObjectHandler() {
+ *         return new MyMetaObjectHandler();
+ *     }
+ * </pre>
+ */
+public class MplusMetaObjectHandler implements MetaObjectHandler {
+
+    /**
+     * 创建时间
+     */
+    protected String crtTimeColumn = "createTime";
+    /**
+     * 创建人
+     */
+    protected String crtByColumn = "createBy";
+    /**
+     * 最后操作时间
+     */
+    protected String updateTimeColumn = "updateTime";
+    /**
+     * 最后操作人
+     */
+    protected String updateByColumn = "updateBy";
+
+    /**
+     * 设置操作者
+     * <p>
+     * 应设置登录账号为操作者，这里由每个工程具体实现
+     * </p>
+     * <p>
+     * 返回null时，会查找consumerId作为操作者，找不到会设置默认值
+     * <br/>
+     * 返回"" 时，会存""
+     * </p>
+     *
+     * @return
+     */
+    protected String getOperator() {
+        return "";
+    }
+
+    @Override
+    public void insertFill(MetaObject metaObject) {
+        Object crtTime = metaObject.getValue(crtTimeColumn);
+        if (crtTime == null) {
+            this.strictInsertFill(metaObject, crtTimeColumn, Date.class, new Date());
+        }
+
+        Object crtBy = metaObject.getValue(crtByColumn);
+        if (crtBy == null) {
+            this.strictInsertFill(metaObject, crtByColumn, String.class, getOperator());
+        }
+
+        Object mdfyTime = metaObject.getValue(updateTimeColumn);
+        if (mdfyTime == null) {
+            this.strictInsertFill(metaObject, updateTimeColumn, Date.class, new Date());
+        }
+
+        Object mdfyBy = metaObject.getValue(updateByColumn);
+        if (mdfyBy == null) {
+            this.strictInsertFill(metaObject, updateByColumn, String.class, getOperator());
+        }
+
+    }
+
+    @Override
+    public void updateFill(MetaObject metaObject) {
+        Object mdfyTime = metaObject.getValue(updateTimeColumn);
+        if (mdfyTime == null) {
+            this.strictInsertFill(metaObject, updateTimeColumn, Date.class, new Date());
+        }
+
+        Object mdfyBy = metaObject.getValue(updateByColumn);
+        if (mdfyBy == null) {
+            this.strictInsertFill(metaObject, updateByColumn, String.class, getOperator());
+        }
+    }
+}

ruoyi-admin/src/main/java/com/ruoyi/web/core/config/MyBatisPlusConfig.java

@@ -0,0 +1,55 @@
+package com.ruoyi.web.core.config;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import com.baomidou.mybatisplus.core.injector.DefaultSqlInjector;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+/**
+ * MybatisPlus 配置文件
+ *
+ * @author maxf
+ * @version 1.0
+ * @ClassName MybatisPlusConfig
+ * @Description
+ * @date 2018/12/13 11:34
+ */
+//Spring boot方式
+@EnableTransactionManagement
+@Configuration
+public class MybatisPlusConfig {
+    /**
+     * 新的分页插件,一缓和二缓遵循mybatis的规则,需要设置 MybatisConfiguration#useDeprecatedExecutor = false 避免缓存出现问题(该属性会在旧插件移除后一同移除)
+     */
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        //新的分页插件
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
+        //乐观锁插件
+        interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
+        return interceptor;
+    }
+
+    @Bean
+    @ConditionalOnMissingBean
+    public MetaObjectHandler metaObjectHandler() {
+        return new MplusMetaObjectHandler();
+    }
+
+    /**
+     * 注入sql注入器
+     */
+    @Bean
+    @ConditionalOnMissingBean
+    public DefaultSqlInjector sqlInjector() {
+        return new DefaultSqlInjector();
+    }
+
+}

ruoyi-admin/src/main/java/com/ruoyi/web/core/config/RuoyiMetaObjectHandler.java

@@ -0,0 +1,14 @@
+package com.ruoyi.web.core.config;
+
+import com.ruoyi.common.utils.SecurityUtils;
+
+/**
+ * @author: yexuejc
+ * @date: 2020-10-13 15:25:28
+ */
+public class RuoyiMetaObjectHandler extends MplusMetaObjectHandler {
+    @Override
+    protected String getOperator() {
+        return SecurityUtils.getUsername();
+    }
+}

ruoyi-admin/src/main/resources/application.yml

@@ -97,8 +97,8 @@ token:
   # 令牌有效期（默认30分钟）
   expireTime: 30
 
-# MyBatis配置
-mybatis:
+# MyBatis配置(plus)
+mybatis-plus:
   # 搜索指定包别名
   typeAliasesPackage: com.ruoyi.**.domain
   # 配置mapper的扫描，找到所有的mapper.xml映射文件