Springboot 实现 Restful 服务，基于 HTTP / JSON 传输

springboot-restful/src/main/resources/application.properties

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+## 数据源配置
+spring.datasource.url=jdbc:mysql://139.224.14.39:3306/springbootdb?useUnicode=true&characterEncoding=utf8
+spring.datasource.username=root
+spring.datasource.password=Hello123!@
+spring.datasource.driver-class-name=com.mysql.jdbc.Driver
+
+## Mybatis 配置
+mybatis.typeAliasesPackage=org.spring.springboot.domain
+mybatis.mapperLocations=classpath:mapper/*.xml

springboot-restful/src/main/resources/mapper/CityMapper.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="org.spring.springboot.dao.CityDao">
+	<resultMap id="BaseResultMap" type="org.spring.springboot.domain.City">
+		<result column="id" property="id" />
+		<result column="province_id" property="provinceId" />
+		<result column="city_name" property="cityName" />
+		<result column="description" property="description" />
+	</resultMap>
+
+	<parameterMap id="City" type="org.spring.springboot.domain.City"/>
+
+	<sql id="Base_Column_List">
+		id, province_id, city_name, description
+	</sql>
+
+	<select id="findById" resultMap="BaseResultMap" parameterType="java.lang.Long">
+		select
+		<include refid="Base_Column_List" />
+		from city
+		where id = #{id}
+	</select>
+
+	<select id="findAllCity" resultMap="BaseResultMap" >
+		select
+		<include refid="Base_Column_List" />
+		from city
+	</select>
+
+	<insert id="saveCity" parameterMap="City" useGeneratedKeys="true" keyProperty="id">
+		insert into
+			city(id,province_id,city_name,description)
+		values
+			(#{id},#{provinceId},#{cityName},#{description})
+	</insert>
+
+	<update id="updateCity" parameterMap="City">
+		update
+			city
+		set
+		<if test="provinceId!=null">
+			province_id = #{provinceId},
+		</if>
+		<if test="cityName!=null">
+			city_name = #{cityName},
+		</if>
+		<if test="description!=null">
+			description = #{description}
+		</if>
+		where
+			id = #{id}
+	</update>
+
+	<delete id="deleteCity" parameterType="java.lang.Long">
+		delete from
+			city
+		where
+			id = #{id}
+	</delete>
+</mapper>