数据库
CREATE DATABASE test;
USE test;
CREATE TABLE `user` (
`id` BIGINT(20) NOT NULL AUTO_INCREMENT,
`username` VARCHAR(50) NOT NULL COMMENT '用户名',
`create_time` DATETIME DEFAULT NULL COMMENT '创建时间',
PRIMARY KEY (`id`),
UNIQUE KEY `username` (`username`)
) ENGINE=INNODB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT='用户';
项目pom.xml
<?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> <groupId>com.dyp</groupId> <artifactId>dyp-test</artifactId> <version>0.0.1-SNAPSHOT</version> <name>dyp-test</name> <description>Demo project for Spring Boot</description> <packaging>jar</packaging> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <!-- Inherit defaults from Spring Boot --> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.0.BUILD-SNAPSHOT</version> </parent> <!-- Add typical dependencies for a web application --> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- mybatis的orm插件 --> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatisplus-spring-boot-starter</artifactId> <version>1.0.4</version> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus</artifactId> <version>2.0.7</version> </dependency> <!-- https://mvnrepository.com/artifact/org.apache.velocity/velocity --> <dependency> <groupId>org.apache.velocity</groupId> <artifactId>velocity</artifactId> <version>1.7</version> </dependency> <!-- https://mvnrepository.com/artifact/org.freemarker/freemarker --> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.28</version> </dependency> <!--数据库连接jdbc依赖--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <!--mysql链接依赖--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <!--阿里druid数据库链接依赖--> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.9</version> </dependency> <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>0.10.1</version> <scope>provided</scope> </dependency> </dependencies> <!-- Package as an executable jar --> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> <!-- Add Spring repositories --> <!-- (you don't need this if you are using a .RELEASE version) --> <repositories> <repository> <id>spring-snapshots</id> <url>http://repo.spring.io/snapshot</url> <snapshots> <enabled>true</enabled> </snapshots> </repository> <repository> <id>spring-milestones</id> <url>http://repo.spring.io/milestone</url> </repository> </repositories> <pluginRepositories> <pluginRepository> <id>spring-snapshots</id> <url>http://repo.spring.io/snapshot</url> </pluginRepository> <pluginRepository> <id>spring-milestones</id> <url>http://repo.spring.io/milestone</url> </pluginRepository> </pluginRepositories> </project>
application.yml 相关的配置
spring: datasource: type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysql.jdbc.Driver url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&allowMultiQueries=true username: root password: root druid: initial-size: 5 min-idle: 5 maxActive: 20 maxWait: 60000 timeBetweenEvictionRunsMillis: 60000 minEvictableIdleTimeMillis: 300000 validationQuery: SELECT 1 FROM DUAL testWhileIdle: true testOnBorrow: false testOnReturn: false poolPreparedStatements: true maxPoolPreparedStatementPerConnectionSize: 20 filters: stat,wall connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000 web-stat-filter: enabled: true url-pattern: "/*" exclusions: "*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*" # DruidStatViewServlet stat-view-servlet: url-pattern: "/druid/*" allow: 127.0.0.1,192.168.1.1 deny: 192.168.1.1 reset-enable: false login-username: admin login-password: 123456 mybatis-plus: mapper-locations: classpath:/com/dyp/dyptest/mapper/*/*.xml typeAliasesPackage: com.dyp.dyptest.entity global-config: id-type: 2 field-strategy: 2 db-column-underline: true refresh-mapper: true configuration: map-underscore-to-camel-case: true cache-enabled: false server: port: 8082
com.dyp.dyptest.config相关配置
package com.dyp.dyptest.config;
import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import javax.sql.DataSource;
/**
* 数据源配置
*/
@Configuration
public class DataSourcesConfig {
@Bean(name="dataSource")
@ConfigurationProperties(prefix="spring.datasource")
public DataSource dataSource(){
return new DruidDataSource();
}
// 配置事物管理器
@Bean(name="transactionManager")
public DataSourceTransactionManager transactionManager(){
return new DataSourceTransactionManager(dataSource());
}
}
package com.dyp.dyptest.config;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class DruidConfiguration {
@Bean
public ServletRegistrationBean startViewServlet(){
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
// IP白名单
servletRegistrationBean.addInitParameter("allow","127.0.0.1");
// IP黑名单(共同存在时，deny优先于allow)
servletRegistrationBean.addInitParameter("deny","127.0.0.1");
//控制台管理用户
servletRegistrationBean.addInitParameter("loginUsername","admin");
servletRegistrationBean.addInitParameter("loginPassword","123456");
//是否能够重置数据
servletRegistrationBean.addInitParameter("resetEnable","false");
return servletRegistrationBean;
}
@Bean
public FilterRegistrationBean statFilter(){
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
//添加过滤规则
filterRegistrationBean.addUrlPatterns("/*");
//忽略过滤的格式
filterRegistrationBean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
return filterRegistrationBean;
}
}
package com.warrior.config;
import com.baomidou.mybatisplus.plugins.PerformanceInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.baomidou.mybatisplus.plugins.PaginationInterceptor;
import org.springframework.context.annotation.Profile;
@Configuration
//扫描dao或者是Mapper接口
@MapperScan("com.dyp.dyptest.mapper*")
public class MybatisPlusConfig {
/**
* mybatis-plus 分页插件
*/
@Bean
public PaginationInterceptor paginationInterceptor(){
PaginationInterceptor page = new PaginationInterceptor();
page.setDialectType("mysql");
return page;
}
/**
* SQL执行效率插件
* 性能分析拦截器，用于输出每条 SQL 语句及其执行时间
*/
@Bean
@Profile({"dev","pro"})// 设置 dev pro 环境开启
public PerformanceInterceptor performanceInterceptor() {
return new PerformanceInterceptor();
}
}
代码生成器代码
package com.dyp.dyptest.Generator;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.converts.MySqlTypeConvert;
import com.baomidou.mybatisplus.generator.config.rules.DbColumnType;
import com.baomidou.mybatisplus.generator.config.rules.DbType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.dyp.dyptest.config.DataSourcesConfig;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* <p>
* 代码生成器演示
* </p>
*/
public class CodeGenerator {
final static String dirPath = "C://";
public static final String DB_URL = "jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=utf8&allowMultiQueries=true";
public static final String USER_NAME = "root";
public static final String PASSWORD = "root";
public static final String DRIVER = "com.mysql.jdbc.Driver";
public static final String AUTHOR = "dyp";
// 输出到哪个目录
public static final String OUTPUT_FILE = "c:\dyp";
//生成类
public static final String PACKAGE = "com.dyp";
public static void generateByTables(boolean serviceNameStartWithI, String... tableNames) {
AutoGenerator mpg = new AutoGenerator();
// 选择 freemarker 引擎，默认 Veloctiy
//mpg.setTemplateEngine(new FreemarkerTemplateEngine());
// 全局配置
GlobalConfig gc = new GlobalConfig();
gc.setOutputDir(dirPath);
gc.setAuthor(AUTHOR);
gc.setFileOverride(true); //是否覆盖
gc.setActiveRecord(true);// 不需要ActiveRecord特性的请改为false
gc.setEnableCache(false);// XML 二级缓存
gc.setBaseResultMap(true);// XML ResultMap
gc.setBaseColumnList(true);// XML columList
// 自定义文件命名，注意 %s 会自动填充表实体属性！
// gc.setMapperName("%sDao");
// gc.setXmlName("%sMapper");
// gc.setServiceName("MP%sService");
// gc.setServiceImplName("%sServiceDiy");
// gc.setControllerName("%sAction");
mpg.setGlobalConfig(gc);
// 数据源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setDbType(DbType.MYSQL);
dsc.setTypeConvert(new MySqlTypeConvert(){
// 自定义数据库表字段类型转换【可选】
@Override
public DbColumnType processTypeConvert(String fieldType) {
System.out.println("转换类型：" + fieldType);
// 注意！！processTypeConvert 存在默认类型转换，如果不是你要的效果请自定义返回、非如下直接返回。
return super.processTypeConvert(fieldType);
}
});
dsc.setDriverName(DRIVER);
dsc.setUsername(USER_NAME);
dsc.setPassword(PASSWORD);
dsc.setUrl(DB_URL);
mpg.setDataSource(dsc);
// 策略配置
StrategyConfig strategy = new StrategyConfig();
// strategy.setCapitalMode(true);// 全局大写命名 ORACLE 注意
strategy.setTablePrefix(new String[] { "tb_", "tsys_" });// 此处可以修改为您的表前缀
strategy.setNaming(NamingStrategy.underline_to_camel);// 表名生成策略
//strategy.setInclude(new String[] { "user" }); // 需要生成的表
strategy.setInclude(tableNames); // 需要生成的表
// strategy.setExclude(new String[]{"test"}); // 排除生成的表
// 自定义实体父类
// strategy.setSuperEntityClass("com.baomidou.demo.TestEntity");
// 自定义实体，公共字段
// strategy.setSuperEntityColumns(new String[] { "test_id", "age" });
// 自定义 mapper 父类
// strategy.setSuperMapperClass("com.baomidou.demo.TestMapper");
// 自定义 service 父类
// strategy.setSuperServiceClass("com.baomidou.demo.TestService");
// 自定义 service 实现类父类
// strategy.setSuperServiceImplClass("com.baomidou.demo.TestServiceImpl");
// 自定义 controller 父类
// strategy.setSuperControllerClass("com.baomidou.demo.TestController");
// 【实体】是否生成字段常量（默认 false）
// public static final String ID = "test_id";
// strategy.setEntityColumnConstant(true);
// 【实体】是否为构建者模型（默认 false）
// public User setName(String name) {this.name = name; return this;}
strategy.setEntityBuilderModel(true);
mpg.setStrategy(strategy);
// 包配置
PackageConfig pc = new PackageConfig();
pc.setParent(PACKAGE);
pc.setModuleName("dyptest");
pc.setController("controler");
pc.setEntity("entity");
pc.setMapper("mapper");
pc.setService("service");
pc.setServiceImpl("serviceImpl");
pc.setXml("mapperXml");
mpg.setPackageInfo(pc);
// 注入自定义配置，可以在 VM 中使用 cfg.abc 【可无】
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("dyp", this.getConfig().getGlobalConfig().getAuthor() + "-mp");
this.setMap(map);
}
};
// 自定义 xxList.jsp 生成
List<FileOutConfig> focList = new ArrayList<FileOutConfig>();
/* focList.add(new FileOutConfig("/template/list.jsp.vm") {
@Override
public String outputFile(TableInfo tableInfo) {
// 自定义输入文件名称
return "D://my_" + tableInfo.getEntityName() + ".jsp";
}
});
cfg.setFileOutConfigList(focList);
mpg.setCfg(cfg);*/
// 调整 xml 生成目录演示
/* focList.add(new FileOutConfig("/templates/mapper.xml.vm") {
@Override
public String outputFile(TableInfo tableInfo) {
return dirPath + tableInfo.getEntityName() + "Mapper.xml";
}
});
cfg.setFileOutConfigList(focList);
*/
mpg.setCfg(cfg);
// 关闭默认 xml 生成，调整生成 至 根目录
/* TemplateConfig tc = new TemplateConfig();
tc.setXml(null);
mpg.setTemplate(tc);*/
// 自定义模板配置，可以 copy 源码 mybatis-plus/src/main/resources/templates 下面内容修改，
// 放置自己项目的 src/main/resources/templates 目录下, 默认名称一下可以不配置，也可以自定义模板名称
// TemplateConfig tc = new TemplateConfig();
// tc.setController("...");
// tc.setEntity("...");
// tc.setMapper("...");
// tc.setXml("...");
// tc.setService("...");
// tc.setServiceImpl("...");
// 如上任何一个模块如果设置 空 OR Null 将不生成该模块。
// mpg.setTemplate(tc);
// 执行生成
mpg.execute();
// 打印注入设置【可无】
System.err.println(mpg.getCfg().getMap().get("dyp"));
}
/**
* <p>
* MySQL 生成演示
* </p>
*/
public static void main(String[] args) {
boolean serviceNameStartWithI = false;
//指定生成的表名
String[] tableNames = new String[]{"user"};
generateByTables(serviceNameStartWithI, tableNames);
}
}
package com.dyp.dyptest.controler;
import com.dyp.dyptest.entity.User;
import com.dyp.dyptest.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import java.util.Date;
import java.util.List;
/**
* <p>
* 用户 前端控制器
* </p>
*
* @author dyp
* @since 2019-07-09
*/
@Controller
@RequestMapping("/dyptest/user")
public class UserController {
@Autowired
IUserService iUserService;
@RequestMapping("/add")
@ResponseBody
public String add() {
//insert
User user = new User();
user.setUsername("dyp");
user.setCreateTime(new Date());
boolean res = iUserService.insert(user);
return res ? "success" : "fail";
}
@RequestMapping("/list")
@ResponseBody
public List<User> list() {
return iUserService.selectList(null);
}
}
package com.dyp.dyptest.entity;
import com.baomidou.mybatisplus.enums.IdType;
import java.util.Date;
import com.baomidou.mybatisplus.annotations.TableId;
import com.baomidou.mybatisplus.annotations.TableField;
import com.baomidou.mybatisplus.activerecord.Model;
import java.io.Serializable;
/**
* <p>
* 用户
* </p>
*
* @author dyp
* @since 2019-07-09
*/
public class User extends Model<User> {
private static final long serialVersionUID = 1L;
@TableId(value="id", type= IdType.AUTO)
private Long id;
/**
* 用户名
*/
private String username;
/**
* 创建时间
*/
@TableField("create_time")
private Date createTime;
public Long getId() {
return id;
}
public User setId(Long id) {
this.id = id;
return this;
}
public String getUsername() {
return username;
}
public User setUsername(String username) {
this.username = username;
return this;
}
public Date getCreateTime() {
return createTime;
}
public User setCreateTime(Date createTime) {
this.createTime = createTime;
return this;
}
@Override
protected Serializable pkVal() {
return this.id;
}
}
package com.dyp.dyptest.mapper;
import com.dyp.dyptest.entity.User;
import com.baomidou.mybatisplus.mapper.BaseMapper;
/**
* <p>
* 用户 Mapper 接口
* </p>
*
* @author dyp
* @since 2019-07-09
*/
public interface UserMapper extends BaseMapper<User> {
}
package com.dyp.dyptest.service;
import com.dyp.dyptest.entity.User;
import com.baomidou.mybatisplus.service.IService;
/**
* <p>
* 用户 服务类
* </p>
*
* @author dyp
* @since 2019-07-09
*/
public interface IUserService extends IService<User> {
}
package com.dyp.dyptest.serviceImpl;
import com.dyp.dyptest.entity.User;
import com.dyp.dyptest.mapper.UserMapper;
import com.dyp.dyptest.service.IUserService;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import org.springframework.stereotype.Service;
/**
* <p>
* 用户 服务实现类
* </p>
*
* @author dyp
* @since 2019-07-09
*/
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IUserService {
}
package com.dyp.dyptest;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
@MapperScan("com.dyp.dyptest.mapper") //配置mapper扫描
public class DypTestApplication {
public static void main(String[] args) {
SpringApplication.run(DypTestApplication.class, args);
}
}
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