Springboot 整合 Mybatis 的完整 Web 案例

springboot-mybatis/src/main/java/org/spring/springboot/Application.java

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+package org.spring.springboot;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.spring.springboot.dao.CityDao;
+import org.spring.springboot.domain.City;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * Spring Boot 应用启动类
+ *
+ * Created by bysocket on 16/4/26.
+ */
+// Spring Boot 应用的标识
+@SpringBootApplication
+@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);
+    }
+}

springboot-mybatis/src/main/java/org/spring/springboot/controller/CityRestController.java

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+package org.spring.springboot.controller;
+
+import org.spring.springboot.domain.City;
+import org.spring.springboot.service.CityService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Created by bysocket on 07/02/2017.
+ */
+@RestController
+public class CityRestController {
+
+    @Autowired
+    private CityService cityService;
+
+    @RequestMapping(value = "/api/city", method = RequestMethod.GET)
+    public City findOneCity(@RequestParam(value = "cityName", required = true) String cityName) {
+        return cityService.findCityByName(cityName);
+    }
+
+}

springboot-mybatis/src/main/java/org/spring/springboot/dao/CityDao.java

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+package org.spring.springboot.dao;
+
+import org.apache.ibatis.annotations.Param;
+import org.spring.springboot.domain.City;
+
+/**
+ * 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);
+}

springboot-mybatis/src/main/java/org/spring/springboot/domain/City.java

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+package org.spring.springboot.domain;
+
+/**
+ * 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;
+    }
+}

springboot-mybatis/src/main/java/org/spring/springboot/service/CityService.java

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+package org.spring.springboot.service;
+
+import org.spring.springboot.domain.City;
+
+/**
+ * 城市业务逻辑接口类
+ *
+ * Created by bysocket on 07/02/2017.
+ */
+public interface CityService {
+
+    /**
+     * 根据城市名称，查询城市信息
+     * @param cityName
+     */
+    City findCityByName(String cityName);
+}

springboot-mybatis/src/main/java/org/spring/springboot/service/impl/CityServiceImpl.java

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+package org.spring.springboot.service.impl;
+
+import org.spring.springboot.dao.CityDao;
+import org.spring.springboot.domain.City;
+import org.spring.springboot.service.CityService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+/**
+ * 城市业务逻辑实现类
+ *
+ * Created by bysocket on 07/02/2017.
+ */
+@Service
+public class CityServiceImpl implements CityService {
+
+    @Autowired
+    private CityDao cityDao;
+
+    public City findCityByName(String cityName) {
+        return cityDao.findByName(cityName);
+    }
+
+}