IDEA established reverse engineering

1. Download plugin go idea-mybatis-generator;

2. Write down the file name in the resource generatorConfig.xml

<?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>
    <classPathEntry
            location="E:\mysql-connector-java-8.0.17.jar"/>
    <context id="testTables" targetRuntime="MyBatis3">
        <commentGenerator>
            <!-- 是否去除自动生成的注释 true：是 ： false:否 -->
            <property name= "suppressAllComments" value = "to true" /> 
        </ commentGenerator > 
        <-! database connections: driver class, connection address, user name, password, -> 
        <-! <JdbcConnection driverClass = "$ {JDBC. } Driver " ->  <-! the connectionURL =" $ {jdbc.url} " ->  <-! the userId =" $ {jdbc.username} " ->  <-! password =" $ {JDBC } .password "> ->  ! <- </ JdbcConnection> -> 
        < JdbcConnection driverClass =" com.mysql.cj.jdbc.Driver " 
                        the connectionURL =" JDBC:mysql://127.0.0.1:3306/panpan?serverTimezone=UTC" userId="root"
                        password = "" > 
        </ JdbcConnection > 
        <-! default false, the JDBC DECIMAL and NUMERIC type resolution as Integer, when the true JDBC DECIMAL and NUMERIC type resolution is java.math.BigDecimal -> 
        < javaTypeResolver > 
            < Property name = "forceBigDecimals" value = "to false" /> 
        </ javaTypeResolver > 
        <-! targetProject: generating location PO class -> 
        < javaModelGenerator targetPackage = "cn.ljaer.ssm.po" 
                            targetProject = "the src \ main \ the Java " >
            <! -enableSubPackages: whether to allow schema package as a suffix -> 
            < Property name = "enableSubPackages" value = "false" /> 
            <-! returned from the database value spaces before and after being cleaned -> 
            < Property name = "trimStrings" value = "to true" /> 
        </ javaModelGenerator > 
        <-! targetProject: Mapper mapping file generated position -> 
        < sqlMapGenerator targetPackage = "cn.ljaer.ssm.mapper" 
                         targetProject = "the src \ main \ Resources" > 
            < ! - enableSubPackages:Whether to allow schema as the package suffix -> 
            <property name="enableSubPackages" value="false"/>
        </sqlMapGenerator>
        <!-- targetPackage：mapper接口生成的位置 -->
        <javaClientGenerator type="XMLMAPPER" targetPackage="cn.ljaer.ssm.mapper"
                             targetProject="src\main\java">
            <!-- enableSubPackages:是否让schema作为包的后缀 -->
            <property name="enableSubPackages" value="false"/>
        </javaClientGenerator>
        <->Specifies the database tables<! -
        Table tableName = "Student" > </ Table > 
        <-! fields specify some java table type 
        <Schema Table = "" tableName = ""> 
            <columnOverride column = "" the javaType = "" /> 
        </ Table> 
        -> 
    </ context > 
</ generatorConfiguration >

 

Note: ? This is crucial to be added to the database link back serverTimezone = UTC this vital

3.pom.xml need to increase reliance plug

 < Plugin > 
                <-! Mybatis-Generator plug, and for automatically generating Mapper POJOs -> 
                < the groupId > org.mybatis.generator </ the groupId > 
                < the artifactId > MyBatis-Generator-Maven-plugin </ the artifactId > 
                < Version > 1.3.2 </ Version > 
                < the configuration > 
                    <-! location of the configuration file must be changed to the location of the configuration file -> 
                    < configurationFile > src / main / Resources / generatorConfig.xml </ configurationFile > 
                    <verbose>true</verbose>
                    <overwrite>true</overwrite>
                </configuration>
                <executions>
                    <execution>
                        <id>Generate MyBatis Artifacts</id>
                        <goals>
                            <goal>generate</goal>
                        </goals>
                    </execution>
                </executions>
                <dependencies>
                    <dependency>
                        <groupId>org.mybatis.generator</groupId>
                        <artifactId>mybatis-generator-core</artifactId>
                        <version>1.3.2</version>
                    </dependency>
                </dependencies>
            </plugin>

 

 

4. Click carry out this plug-in to generate a map file you want