这期内容当中小编将会给大家带来有关如何在springboot中植入pagerHelper,文章内容丰富且以专业的角度为大家分析和叙述,阅读完这篇文章希望大家可以有所收获。
查看官方说明引入依赖,如下:
<!--mybatis--> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.1</version> </dependency> <!--mapper--> <dependency> <groupId>tk.mybatis</groupId> <artifactId>mapper-spring-boot-starter</artifactId> <version>1.2.4</version> </dependency> <!--pagehelper--> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper-spring-boot-starter</artifactId> <version>1.2.3</version> </dependency>
引入完jar依赖之后,配置plugin插件,插件时根据maven来识别的,可以直接拷贝官网的配置即可,如下:
<plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.2</version> <configuration> <configurationFile>${basedir}/src/main/resources/generator/generatorConfig.xml</configurationFile> <overwrite>true</overwrite> <verbose>true</verbose> </configuration> <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <dependency> <groupId>tk.mybatis</groupId> <artifactId>mapper-generator</artifactId> <version>1.0.0</version> </dependency> </dependencies> </plugin>
根据自己喜欢,可以定制化配置generatorConfig.xml,下面是我个人基本配置,更多配置说明,请查看官方说明MyBatis Generator 详解
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"> <generatorConfiguration> <properties resource="generator/application-dev.properties"/> <context id="Mysql" targetRuntime="MyBatis3Simple" defaultModelType="flat"> <property name="beginningDelimiter" value="`"/> <property name="endingDelimiter" value="`"/> <plugin type="tk.mybatis.mapper.generator.MapperPlugin"> <property name="mappers" value="com.lgh.common.util.MyMapper"/> </plugin> <jdbcConnection driverClass="${spring.datasource.driver-class-name}" connectionURL="${spring.datasource.url}" userId="${spring.datasource.username}" password="${spring.datasource.password}"> </jdbcConnection> <javaModelGenerator targetPackage="com.lgh.model" targetProject="src/main/java"/> <sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources"/> <javaClientGenerator targetPackage="com.lgh.mapper" targetProject="src/main/java" type="XMLMAPPER"/> <!-- 数据库表 以及实体类命名 --> <!-- <table schema="CL_DEMO" tableName="tb_user" domainObjectName="User" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="tb_role" domainObjectName="Role" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="tb_menu" domainObjectName="Menu" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="tb_resource" domainObjectName="Resource" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="user_role" domainObjectName="UserRole" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="role_menu" domainObjectName="RoleMenu" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="menu_resource" domainObjectName="MenuResource" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="role_resource" domainObjectName="RoleResource" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" /> <table schema="CL_DEMO" tableName="logon" domainObjectName="Logon" enableCountByExample="false" enableDeleteByExample="false" enableSelectByExample="false" enableUpdateByExample="false" selectByExampleQueryId="false" />--> </context> </generatorConfiguration>
点击mybatis-generator:generate即可生成对象和映射文件,具体如上图
一般分页个人喜好建议用jdk8的lambda表达式,如:
//对应的lambda用法
pageInfo = PageHelper.startPage(1, 10).doSelectPageInfo(() -> userMapper.selectGroupBy());,
上述就是小编为大家分享的如何在springboot中植入pagerHelper了,如果刚好有类似的疑惑,不妨参照上述分析进行理解。如果想知道更多相关知识,欢迎关注创新互联行业资讯频道。
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