用IDEA构建一个基于ssm的springboot项目整合mybatis逆向生成/热部署

骑猪看日落 2022-12-19 06:07 136阅读 0赞

# 1.安装好最新的JDK、Tomcat、Maven、mysql，除了Tomcat其他都要设置环境变量，然后dos检测是否安装成功。 #

# 2.打开IDEA——新建项目，按如下配置。 #

## 2.1创建项目 ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 1][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 2][]

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## ***2.2Maven配置*** ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 3][]

## ***2.3设置编码为UTF-8*** ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 4][]

## ***2.4设置项目自动更新*** ##

### *2.4.1设置自动构建项目* ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 5][]

### *2.4.2项目运行时允许自动编译,按住ctrl+alt+shift+/——注册表——勾选如图* ###

![20201105175723558.png][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 6][]

### ***2.4.3自动更新类的资源文件*** ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 7][]

## ***2.5设置自动导入类*** ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 8][]

## 2.6取消匹配大小写 ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 9][]

建议同时更改新项目的设置,省的以后创建项目又要改.

# 3.项目配置 #

***项目整体结构***

***热部署配置***

# 热部署开关  2121.03.22
    spring:
        devtools:
            restart:
              enabled: true  #设置开启热部署
              additional-paths: src/main #重启目录
              exclude: WEB-INF/**
        freemarker:
            cache: false    #页面不加载缓存，修改即时生效

***数据库配置***

spring.datasource.url = jdbc:mysql://127.0.0.1:3306/shangyu?serverTimezone=UTC
    spring.datasource.username = root
    spring.datasource.password = 123456
    spring.datasource.driverClassName = com.mysql.cj.jdbc.Driver
    ###加载mybatis对应的mapper位置
    mybatis.mapper-locations=classpath:mapper/*.xml
    ###加载mybatis别名设置
    mybatis.type-aliases-package=com.example.demo2.model

***generetorConfig.xml配置，项目为MBG.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>
        <properties resource="application.properties"/>
        <context id="DB2Tables" targetRuntime="MyBatis3">
            
            <commentGenerator>
                <property name="suppressDate" value="true" />
                <property name="suppressAllComments" value="true"/>
            </commentGenerator>
            
            <jdbcConnection driverClass="${spring.datasource.driverClassName}"
                            connectionURL="${spring.datasource.url}"
                            userId="${spring.datasource.username}"
                            password="${spring.datasource.password}">
            </jdbcConnection>
            
            <javaTypeResolver >
                <property name="forceBigDecimals" value="false" />
            </javaTypeResolver>
            
            <javaModelGenerator targetPackage="com.example.demo2.entity" targetProject="src/main/java">
                <property name="enableSubPackages" value="true" />
                <property name="trimStrings" value="true" />
            </javaModelGenerator>
            
            <sqlMapGenerator targetPackage="mapper"  targetProject="src/main/resources">
                <property name="enableSubPackages" value="true" />
            </sqlMapGenerator>
            
            <javaClientGenerator type="XMLMAPPER" targetPackage="com.example.demo2.dao"  targetProject="src/main/java">
                <property name="enableSubPackages" value="true" />
            </javaClientGenerator>
            
            <table tableName="insert_table"></table>
    
        </context>
    </generatorConfiguration>

在pom.xml插入mybatis插件，注意mysql版本是否正确。

<plugin>
                    <groupId>org.mybatis.generator</groupId>
                    <artifactId>mybatis-generator-maven-plugin</artifactId>
                    <version>1.4.0</version>
                    <configuration>
                        <configurationFile>src/main/resources/MBG.xml</configurationFile>
                        <verbose>true</verbose>
                        <overwrite>true</overwrite>
                    </configuration>
                    <dependencies>
                        <dependency>
                            <groupId>mysql</groupId>
                            <artifactId>mysql-connector-java</artifactId>
                            <version>8.0.22</version>
                        </dependency>
                    </dependencies>
                </plugin>

在运行-编辑配置，添加配置

mybatis-generator:generate -e

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 10][]

运行配置

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 11][]

成功！

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 12][]

添加mapperScan注解

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 13][]

写一个测试类测试下

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 14][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 15][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0Mjc1MjY4_size_16_color_FFFFFF_t_70 16][]

运行

![20201106184040825.png][]

成功！

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