分享程序员开发的那些事...
更新时间：2022-06-18 23:50:54
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CREATE DATABASE springbootdb; |
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DROP TABLE IF EXISTS `city`;CREATE TABLE `city` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT '城市编号',
`province_id` int(10) unsigned NOT NULL COMMENT '省份编号',
`city_name` varchar(25) DEFAULT NULL COMMENT '城市名称',
`description` varchar(25) DEFAULT NULL COMMENT '描述',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8; |
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INSERT city VALUES (1 ,1,'温岭市','BYSocket 的家在温岭。');
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org.spring.springboot.controller – Controller 层org.spring.springboot.dao – 数据操作层 DAOorg.spring.springboot.domain – 实体类org.spring.springboot.service – 业务逻辑层Application – 应用启动类application.properties – 应用配置文件，应用启动会自动读取配置
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mvn clean install
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右键运行 Application 应用启动类的 main 函数，然后在浏览器访问：
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http://localhost:8080/api/city?cityName=温岭市
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{ "id": 1,
"provinceId": 1,
"cityName": "温岭市",
"description": "我的家在温岭。"
} |
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<!-- Spring Boot Mybatis 依赖 --><dependency> <groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>${mybatis-spring-boot}</version>
</dependency>
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## Mybatis 配置mybatis.typeAliasesPackage=org.spring.springboot.domainmybatis.mapperLocations=classpath:mapper/*.xml |
mybatis.config = mybatis 配置文件名称mybatis.mapperLocations = mapper xml 文件地址
mybatis.typeAliasesPackage = 实体类包路径mybatis.typeHandlersPackage = type handlers 处理器包路径mybatis.check-config-location = 检查 mybatis 配置是否存在，一般命名为 mybatis-config.xml
mybatis.executorType = 执行模式。默认是 SIMPLE
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/** * Spring Boot 应用启动类
*
* Created by bysocket on 16/4/26.
*/
// Spring Boot 应用的标识
@SpringBootApplication// mapper 接口类扫描包配置
@MapperScan("org.spring.springboot.dao")
public class Application { public static void main(String[] args) {
// 程序启动入口
// 启动嵌入式的 Tomcat 并初始化 Spring 环境及其各 Spring 组件
SpringApplication.run(Application.class,args);
}
} |
City.java:
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/** * 城市实体类
*
* Created by bysocket on 07/02/2017.
*/
public class City { /**
* 城市编号
*/
private Long id;
/**
* 省份编号
*/
private Long provinceId;
/**
* 城市名称
*/
private String cityName;
/**
* 描述
*/
private String description;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Long getProvinceId() {
return provinceId;
}
public void setProvinceId(Long provinceId) {
this.provinceId = provinceId;
}
public String getCityName() {
return cityName;
}
public void setCityName(String cityName) {
this.cityName = cityName;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
} |
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/** * 城市 DAO 接口类
*
* Created by bysocket on 07/02/2017.
*/
public interface CityDao { /**
* 根据城市名称，查询城市信息
*
* @param cityName 城市名
*/
City findByName(@Param("cityName") String cityName);
} |
