SpringBoot整合Mybatis-Plus分页失效的解决

场景：项目整合mybatis-Plus分页失效，current一直是1，size一直是10，total属性一直是0，数据分页不准

先看官网给的示例：

解决方案是新建mybatis-Plus的配置文件：

package com.amc.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.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * @Author: pangyq
 * @CreateTime: 2022-12-11  17:36
 * @Description: mybatisPlus配置
 * 针对于分页查询失效问题
 * @Version: 1.0
 */
@EnableTransactionManagement
@MapperScan("com.amc.**.mapper")
@Configuration
public class MyBatisPlusConfig {

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        PaginationInnerInterceptor innerInterceptor = new PaginationInnerInterceptor();
        innerInterceptor.setDbType(DbType.MYSQL);
        innerInterceptor.setOverflow(true);
        interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
        interceptor.addInnerInterceptor(innerInterceptor);
        return interceptor;
    }

    @Bean
    public ConfigurationCustomizer configurationCustomizer() {
        return mybatisConfiguration -> mybatisConfiguration.setUseGeneratedShortKey(false);
    }
}

响应：

{

    "code": "00",

    "msg": "成功",

    "data": {

        "records": [

            {

                "userId": "1599928568143081472",

                "userName": "admin",

                "nickName": "张三",

                "userType": "00",

                "email": "23*****405@qq.com",

                "phoneNumber": "184****6521",

                "sex": "0",

                "avatar": "http://xxxx",

                "password": "uLRrSaBv+ERnSHOw9Yge9A==",

                "birthday": null,

                "townId": null,

                "townName": "",

                "countyId": null,

                "countyName": "",

                "provinceId": null,

                "provinceName": "",

                "cityName": "",

                "cityId": null,

                "detailAddress": "山东省济南市历下区",

                "status": "0",

                "delFlag": "0",

                "loginIp": "",

                "loginDate": null,

                "createBy": "",

                "createTime": "2022-12-06T00:47:50.000+0000",

                "updateBy": "",

                "updateTime": null,

                "remark": "这是注册用户测试",

                "tenantId": "-1",

                "revision": null

            }

        ],

        "total": 1,

        "size": 1,

        "current": 1,

        "orders": [],

        "optimizeCountSql": true,

        "hitCount": false,

        "countId": null,

        "maxLimit": null,

        "searchCount": true,

        "pages": 1

    }

}

至此，分页方案解决完毕！！！

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