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36
mybatis-plus-test/pom.xml
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@ -1,36 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.ruoyi</groupId>
<artifactId>ruoyi</artifactId>
<version>3.8.7</version>
</parent>
<artifactId>mybatis-plus-test</artifactId>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>com.ruoyi</groupId>
<artifactId>ruoyi-common</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>com.ruoyi</groupId>
<artifactId>ruoyi-admin</artifactId>
<version>3.8.7</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

31
mybatis-plus-test/src/main/java/com/ruoyi/mp/constant/OrderStatus.java
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@ -1,31 +0,0 @@
package com.ruoyi.mp.constant;
import com.baomidou.mybatisplus.annotation.EnumValue;
/**
* @author yexuejc
* @class-name OrderStatus
* @description
* @date 2024/1/19 15:29
*/
public enum OrderStatus {
/** 订单状态：默认：未支付 */
NORMAL(0),
/** 订单状态：已支付，待发货 */
PAYED(1),
/** 订单状态：已发货，待收货 */
SHIPPED(2),
/** 订单状态：完成，已收货 */
RECEIVED(3),
/** 订单状态：取消 */
CANCEL(4),
;
@EnumValue
public final int code;
OrderStatus(int code) {
this.code = code;
}
}

26
mybatis-plus-test/src/main/java/com/ruoyi/mp/domain/BaseVersionEntity.java
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@ -1,26 +0,0 @@
package com.ruoyi.mp.domain;
import com.baomidou.mybatisplus.annotation.Version;
import com.ruoyi.common.core.domain.BaseEntity;
/**
* 带乐观锁版本的BaseEntity
*
* @author yexuejc
* @class-name BaseVersionEntity
* @description
* @date 2024/1/19 14:11
*/
public class BaseVersionEntity extends BaseEntity {
@Version
private long version;
public long getVersion() {
return version;
}
public BaseVersionEntity setVersion(long version) {
this.version = version;
return this;
}
}

124
mybatis-plus-test/src/main/java/com/ruoyi/mp/domain/UserOrder.java
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@ -1,124 +0,0 @@
package com.ruoyi.mp.domain;
import com.baomidou.mybatisplus.annotation.EnumValue;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.ruoyi.mp.constant.OrderStatus;
import java.util.Date;
/**
* @author yexuejc
* @class-name UserOrder
* @description
* @date 2024/1/19 14:10
*/
public class UserOrder extends BaseVersionEntity {
private static final long serialVersionUID = 1L;
@TableId(value = "order_id", type = IdType.AUTO)
private Long orderId;
private Long uid;
private Long gid;
@TableField("order_time")
private Date orderTime;
private Long amount;
@TableField("pay_type")
private String payType;
@TableField("goods_name")
private String goodsName;
private OrderStatus status;
public OrderStatus getStatus() {
return status;
}
public UserOrder setStatus(OrderStatus status) {
this.status = status;
return this;
}
public Long getOrderId() {
return orderId;
}
public UserOrder setOrderId(Long orderId) {
this.orderId = orderId;
return this;
}
public Long getUid() {
return uid;
}
public UserOrder setUid(Long uid) {
this.uid = uid;
return this;
}
public Long getGid() {
return gid;
}
public UserOrder setGid(Long gid) {
this.gid = gid;
return this;
}
public Date getOrderTime() {
return orderTime;
}
public UserOrder setOrderTime(Date orderTime) {
this.orderTime = orderTime;
return this;
}
public Long getAmount() {
return amount;
}
public UserOrder setAmount(Long amount) {
this.amount = amount;
return this;
}
public String getPayType() {
return payType;
}
public UserOrder setPayType(String payType) {
this.payType = payType;
return this;
}
public String getGoodsName() {
return goodsName;
}
public UserOrder setGoodsName(String goodsName) {
this.goodsName = goodsName;
return this;
}
@Override
public String toString() {
return "UserOrder{" +
"orderId=" + orderId +
", uid=" + uid +
", gid=" + gid +
", orderTime=" + orderTime +
", amount=" + amount +
", payType='" + payType + '\'' +
", goodsName='" + goodsName + '\'' +
", status=" + status +
", version=" + getVersion() +
", create_by=" + getCreateBy() +
", create_time=" + getCreateTime() +
", update_by=" + getUpdateBy() +
", update_time=" + getUpdateTime() +
"} " ;
}
}

13
mybatis-plus-test/src/main/java/com/ruoyi/mp/mapper/UserOrderMapper.java
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@ -1,13 +0,0 @@
package com.ruoyi.mp.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.ruoyi.mp.domain.UserOrder;
/**
* @author yexuejc
* @class-name UserOrderMapper
* @description
* @date 2024/1/19 14:15
*/
public interface UserOrderMapper extends BaseMapper<UserOrder> {
}

53
mybatis-plus-test/src/main/java/com/ruoyi/mp/service/UserOrderService.java
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@ -1,53 +0,0 @@
package com.ruoyi.mp.service;
import com.ruoyi.mp.constant.OrderStatus;
import com.ruoyi.mp.domain.UserOrder;
import com.ruoyi.mp.mapper.UserOrderMapper;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import java.util.Date;
/**
* @author yexuejc
* @class-name UserOrderService
* @description
* @date 2024/1/19 14:15
*/
@Service
public class UserOrderService {
@Resource
UserOrderMapper userOrderMapper;
public void add() {
UserOrder entity = new UserOrder();
entity.setUid(123L);
entity.setGid(4885L);
entity.setStatus(OrderStatus.NORMAL);
entity.setOrderTime(new Date());
entity.setAmount(15200L);
entity.setPayType("W");
entity.setGoodsName("测试商品");
int row = userOrderMapper.insert(entity);
if (row > 0) {
System.out.println("添加成功");
System.out.println(entity);
} else {
System.out.println("添加失败");
}
}
public UserOrder get(long orderId) {
return userOrderMapper.selectById(orderId);
}
public void update(UserOrder order) {
int row = userOrderMapper.updateById(order);
if (row > 0) {
System.out.println("更新成功");
} else {
System.out.println("更新失败");
}
}
}

18
mybatis-plus-test/src/main/resources/init.sql
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@ -1,18 +0,0 @@
CREATE TABLE `user_order`
(
`order_id` int NOT NULL AUTO_INCREMENT,
`uid` int DEFAULT NULL,
`gid` int DEFAULT NULL,
`order_time` datetime DEFAULT NULL,
`amount` int DEFAULT NULL,
`status` int DEFAULT NULL,
`pay_type` varchar(1) DEFAULT NULL,
`goods_name` varchar(100) DEFAULT NULL,
`version` bigint DEFAULT '0',
`create_by` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci DEFAULT '' COMMENT '创建者',
`create_time` datetime DEFAULT NULL COMMENT '创建时间',
`update_by` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci DEFAULT '' COMMENT '更新者',
`update_time` datetime DEFAULT NULL COMMENT '更新时间',
`remark` varchar(500) DEFAULT NULL comment '备注',
PRIMARY KEY (`order_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

24
mybatis-plus-test/src/test/java/com/ruoyi/mp/Config.java
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@ -1,24 +0,0 @@
package com.ruoyi.mp;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;
/**
* 按照实际情况设定自动获取操作者
* @author yexuejc
* @class-name Config
* @description
* @date 2024/1/19 15:46
*/
@Component
public class Config {
@Bean
@ConditionalOnMissingBean
public MetaObjectHandler metaObjectHandler() {
return new TestMetaObjectHandler();
}
}

14
mybatis-plus-test/src/test/java/com/ruoyi/mp/TestMetaObjectHandler.java
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@ -1,14 +0,0 @@
package com.ruoyi.mp;
import com.ruoyi.web.core.config.MplusMetaObjectHandler;
/**
* @author: yexuejc
* @date: 2020-10-13 15:25:28
*/
public class TestMetaObjectHandler extends MplusMetaObjectHandler {
@Override
protected String getOperator() {
return "test";
}
}

61
mybatis-plus-test/src/test/java/com/ruoyi/mp/service/UserOrderServiceTest.java
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@ -1,61 +0,0 @@
package com.ruoyi.mp.service;
import com.ruoyi.RuoYiApplication;
import com.ruoyi.mp.constant.OrderStatus;
import com.ruoyi.mp.domain.UserOrder;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import javax.annotation.Resource;
/**
* mybatis-plus
* 乐观锁
* 自动注入创建时间，操作者
* 主键数据库自增
*/
@SpringBootTest(classes = RuoYiApplication.class)
class UserOrderServiceTest {
@Resource
UserOrderService userOrderService;
/***
* 创建表数据
*/
@Test
void add() {
userOrderService.add();
//15:49:29.640 [main] DEBUG c.r.m.m.U.insert - [debug,135] - ==> Preparing: INSERT INTO user_order ( uid, gid, order_time, amount, pay_type, goods_name, status, version, create_by, create_time, update_by, update_time ) VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? )
//15:49:29.789 [main] DEBUG c.r.m.m.U.insert - [debug,135] - ==> Parameters: 123(Long), 4885(Long), 2024-01-19 15:49:29.628(Timestamp), 15200(Long), W(String), 测试商品(String), 0(Integer), 0(Long), test(String), 2024-01-19 15:49:29.638(Timestamp), test(String), 2024-01-19 15:49:29.639(Timestamp)
//15:49:29.932 [main] DEBUG c.r.m.m.U.insert - [debug,135] - <== Updates: 1
//添加成功
//UserOrder{orderId=4, uid=123, gid=4885, orderTime=Fri Jan 19 15:49:29 CST 2024, amount=15200, payType='W', goodsName='测试商品', status=NORMAL, version=0, create_by=test, create_time=Fri Jan 19 15:49:29 CST 2024, update_by=test, update_time=Fri Jan 19 15:49:29 CST 2024}
}
/**
* 更新操作
*/
@Test
void update() {
UserOrder userOrder = userOrderService.get(4);
System.out.println("更新前:" + userOrder);
userOrder.setStatus(OrderStatus.PAYED);
userOrderService.update(userOrder);
userOrder = userOrderService.get(4);
System.out.println("更新后:" + userOrder);
//15:50:42.433 [main] DEBUG c.r.m.m.U.selectById - [debug,135] - ==> Preparing: SELECT order_id,uid,gid,order_time,amount,pay_type,goods_name,status,version,create_by,create_time,update_by,update_time FROM user_order WHERE order_id=?
//15:50:42.436 [main] DEBUG c.r.m.m.U.selectById - [debug,135] - ==> Parameters: 4(Long)
//15:50:42.449 [main] DEBUG c.r.m.m.U.selectById - [debug,135] - <== Total: 1
//更新前:UserOrder{orderId=4, uid=123, gid=4885, orderTime=Fri Jan 19 15:49:30 CST 2024, amount=15200, payType='W', goodsName='测试商品', status=NORMAL, version=0, create_by=test, create_time=Fri Jan 19 15:49:30 CST 2024, update_by=test, update_time=Fri Jan 19 15:49:30 CST 2024}
//15:50:42.463 [main] DEBUG c.r.m.m.U.updateById - [debug,135] - ==> Preparing: UPDATE user_order SET uid=?, gid=?, order_time=?, amount=?, pay_type=?, goods_name=?, status=?, version=?, create_by=?, create_time=?, update_by=?, update_time=? WHERE order_id=? AND version=?
//15:50:42.473 [main] DEBUG c.r.m.m.U.updateById - [debug,135] - ==> Parameters: 123(Long), 4885(Long), 2024-01-19 15:49:30.0(Timestamp), 15200(Long), W(String), 测试商品(String), 1(Integer), 1(Long), test(String), 2024-01-19 15:49:30.0(Timestamp), test(String), 2024-01-19 15:49:30.0(Timestamp), 4(Long), 0(Long)
//15:50:42.675 [main] DEBUG c.r.m.m.U.updateById - [debug,135] - <== Updates: 1
//更新成功
//15:50:42.676 [main] DEBUG c.r.m.m.U.selectById - [debug,135] - ==> Preparing: SELECT order_id,uid,gid,order_time,amount,pay_type,goods_name,status,version,create_by,create_time,update_by,update_time FROM user_order WHERE order_id=?
//15:50:42.677 [main] DEBUG c.r.m.m.U.selectById - [debug,135] - ==> Parameters: 4(Long)
//15:50:42.682 [main] DEBUG c.r.m.m.U.selectById - [debug,135] - <== Total: 1
//更新后:UserOrder{orderId=4, uid=123, gid=4885, orderTime=Fri Jan 19 15:49:30 CST 2024, amount=15200, payType='W', goodsName='测试商品', status=PAYED, version=1, create_by=test, create_time=Fri Jan 19 15:49:30 CST 2024, update_by=test, update_time=Fri Jan 19 15:49:30 CST 2024}
}
}

9
pom.xml
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@ -30,7 +30,6 @@
<poi.version>4.1.2</poi.version>
<velocity.version>2.3</velocity.version>
<jwt.version>0.9.1</jwt.version>
<mybatis-plus.version>3.5.5</mybatis-plus.version>
</properties>
<!-- 依赖声明 -->
@ -46,13 +45,6 @@
<scope>import</scope>
</dependency>
<!--mybatis-plus配置：适配SpringBoot2-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>${mybatis-plus.version}</version>
</dependency>
<!-- 阿里数据库连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
@ -188,7 +180,6 @@
<module>ruoyi-quartz</module>
<module>ruoyi-generator</module>
<module>ruoyi-common</module>
<module>mybatis-plus-test</module>
</modules>
<packaging>pom</packaging>

96
ruoyi-admin/src/main/java/com/ruoyi/web/core/config/MplusMetaObjectHandler.java
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@ -1,96 +0,0 @@
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());
}
}
}

55
ruoyi-admin/src/main/java/com/ruoyi/web/core/config/MyBatisPlusConfig.java
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@ -1,55 +0,0 @@
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();
}
}

14
ruoyi-admin/src/main/java/com/ruoyi/web/core/config/RuoyiMetaObjectHandler.java
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@ -1,14 +0,0 @@
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();
}
}

4
ruoyi-admin/src/main/resources/application.yml
View File

@ -97,8 +97,8 @@ token:
# 令牌有效期（默认30分钟）
expireTime: 30
# MyBatis配置(plus)
mybatis-plus:
# MyBatis配置
mybatis:
# 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

13
ruoyi-common/pom.xml
View File

@ -39,19 +39,6 @@
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<exclusions>
<!--移除mybatis的依赖-->
<exclusion>
<artifactId>mybatis</artifactId>
<groupId>org.mybatis</groupId>
</exclusion>
</exclusions>
</dependency>
<!--mybatis-plus-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
</dependency>
<!-- 自定义验证注解 -->

24
ruoyi-common/src/main/java/com/ruoyi/common/core/domain/BaseEntity.java
View File

@ -4,9 +4,6 @@ import java.io.Serializable;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import com.baomidou.mybatisplus.annotation.FieldFill;
import com.baomidou.mybatisplus.annotation.TableField;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
@ -16,37 +13,32 @@ import com.fasterxml.jackson.annotation.JsonInclude;
*
* @author ruoyi
*/
public class BaseEntity implements Serializable {
public class BaseEntity implements Serializable
{
private static final long serialVersionUID = 1L;
/** 搜索值 该字段数据库不需要*/
@TableField(exist = false)
/** 搜索值 */
@JsonIgnore
private String searchValue;
/** 创建者 新增时自动填充*/
@TableField(fill = FieldFill.INSERT)
/** 创建者 */
private String createBy;
/** 创建时间 新增时自动填充*/
@TableField(fill = FieldFill.INSERT)
/** 创建时间 */
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date createTime;
/** 更新者 新增和修改时自动填充*/
@TableField(fill = FieldFill.INSERT_UPDATE)
/** 更新者 */
private String updateBy;
/** 更新时间 新增和修改时自动填充*/
@TableField(fill = FieldFill.INSERT_UPDATE)
/** 更新时间 */
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date updateTime;
/** 备注 */
private String remark;
/** 请求参数 该字段数据库不需要*/
@TableField(exist = false)
/** 请求参数 */
@JsonInclude(JsonInclude.Include.NON_EMPTY)
private Map<String, Object> params;

2
ruoyi-framework/src/main/java/com/ruoyi/framework/config/MyBatisConfig.java
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@ -11,7 +11,6 @@ import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.boot.autoconfigure.SpringBootVFS;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
@ -31,7 +30,6 @@ import com.ruoyi.common.utils.StringUtils;
* @author ruoyi
*/
@Configuration
@ConditionalOnProperty(name = "ruoyi.mybatis.enable", matchIfMissing = false)
public class MyBatisConfig
{
@Autowired

275
update.md
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@ -1,275 +0,0 @@
ruoyi mybatis-plus版
------------------
### 改造
#### 依赖配置
> 1. [pom.xml](pom.xml)
```xml
<mybatis-plus.version>3.5.5</mybatis-plus.version>
<!--mybatis-plus配置：适配SpringBoot2-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>${mybatis-plus.version}</version>
</dependency>
```
> 2.增加mybatis-plus [ruoyi-admin/pom.xml](ruoyi-admin/pom.xml)
```xml
<!-- pagehelper 分页插件 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<exclusions>
<!--移除mybatis的依赖-->
<exclusion>
<artifactId>mybatis</artifactId>
<groupId>org.mybatis</groupId>
</exclusion>
</exclusions>
</dependency>
<!--mybatis-plus-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
</dependency>
```
#### 代码改修
> 1.关掉mybatis的配置 [MyBatisConfig.java](ruoyi-framework/src/main/java/com/ruoyi/framework/config/MyBatisConfig.java)
```java
@Configuration
@ConditionalOnProperty(name = "ruoyi.mybatis.enable", matchIfMissing = false)
public class MyBatisConfig
```
> 2.追加mybatisPlus的配置，覆盖mybatis的配置： [MybatisPlusConfig.java](ruoyi-admin/src/main/java/com/ruoyi/web/core/config/MybatisPlusConfig.java)
<details>
<summary>点我展开看代码</summary>
<pre><code>
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();
}
}
</code></pre>
</details>
>公共字段的自动填充处理(1)：[BaseEntity.java](ruoyi-common/src/main/java/com/ruoyi/common/core/domain/BaseEntity.java)
```java
/** 搜索值 该字段数据库不需要*/
@TableField(exist = false)
@JsonIgnore
private String searchValue;
/** 创建者 新增时自动填充*/
@TableField(fill = FieldFill.INSERT)
private String createBy;
/** 创建时间 新增时自动填充*/
@TableField(fill = FieldFill.INSERT)
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date createTime;
/** 更新者 新增和修改时自动填充*/
@TableField(fill = FieldFill.INSERT_UPDATE)
private String updateBy;
/** 更新时间 新增和修改时自动填充*/
@TableField(fill = FieldFill.INSERT_UPDATE)
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date updateTime;
/** 备注 */
private String remark;
/** 请求参数 该字段数据库不需要*/
@TableField(exist = false)
@JsonInclude(JsonInclude.Include.NON_EMPTY)
private Map<String, Object> params;
```
>公共字段的自动填充处理(2)： [MplusMetaObjectHandler.java](ruoyi-admin/src/main/java/com/ruoyi/web/core/config/MplusMetaObjectHandler.java)
<details>
<summary>点我展开看代码</summary>
<pre><code>
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());
}
}
}
</code></pre>
</details>
> 4.自动获取操作者的实现(需要注入为bean)： [RuoyiMetaObjectHandler.java](ruoyi-admin/src/main/java/com/ruoyi/web/core/config/RuoyiMetaObjectHandler.java)
```
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();
}
}
```
#### 配置
> mybatis的配置改为mybatis-plus的配置：ruoyi-admin/src/main/resources/application.yml
```properties
# 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
mapperLocations: classpath*:mapper/**/*Mapper.xml
# 加载全局的配置文件
configLocation: classpath:mybatis/mybatis-config.xml
```
### 多出的功能
* [mybatis-plus-test](mybatis-plus-test) 集成mybatis-plus后的测试demo
> 先创建demo表，[init.sql](mybatis-plus-test/src/main/resources/init.sql);执行参照[UserOrderServiceTest.java](mybatis-plus-test/src/test/java/com/ruoyi/mp/service/UserOrderServiceTest.java)