mybatis 关联关系设置

package com.wzkj.web.entity;

import java.sql.Timestamp;
import java.util.Date;
import java.util.List;

import org.apache.ibatis.type.Alias;


public class Route {
	private Long id;
	private Long type_id;
	private String route_name;
	private String route_profile;
	private Float distance;
	private String tips;
	private boolean is_top;
	private String cover_img;
	private Long view_count;
	private Timestamp create_time;
	
	private List<RoutePoint> list;
	
	public String getRoute_name() {
		return route_name;
	}
	public void setRoute_name(String route_name) {
		this.route_name = route_name;
	}
	public String getRoute_profile() {
		return route_profile;
	}
	public void setRoute_profile(String route_profile) {
		this.route_profile = route_profile;
	}
	public Float getDistance() {
		return distance;
	}
	public void setDistance(Float distance) {
		this.distance = distance;
	}
	public String getTips() {
		return tips;
	}
	public void setTips(String tips) {
		this.tips = tips;
	}
	public boolean isIs_top() {
		return is_top;
	}
	public void setIs_top(boolean is_top) {
		this.is_top = is_top;
	}

	public Timestamp getCreate_time() {
		return create_time;
	}
	public void setCreate_time(Timestamp create_time) {
		this.create_time = create_time;
	}
	public Long getId() {
		return id;
	}
	public void setId(Long id) {
		this.id = id;
	}
	public Long getType_id() {
		return type_id;
	}
	public void setType_id(Long type_id) {
		this.type_id = type_id;
	}
	public Long getView_count() {
		return view_count;
	}
	public void setView_count(Long view_count) {
		this.view_count = view_count;
	}
	public String getCover_img() {
		return cover_img;
	}
	public void setCover_img(String cover_img) {
		this.cover_img = cover_img;
	}
	public List<RoutePoint> getList() {
		return list;
	}
	public void setList(List<RoutePoint> list) {
		this.list = list;
	}
	
	
}

package com.wzkj.web.entity;

public class RoutePoint {
	private Long id;
	private Long route_id;
	private String point_name;
	private Long priority;
	private Float longitude;
	private Float latitude;
	private String point_profile;
	private Route route;
	public String getPoint_name() {
		return point_name;
	}
	public void setPoint_name(String point_name) {
		this.point_name = point_name;
	}
	
	public Float getLatitude() {
		return latitude;
	}
	public void setLatitude(Float latitude) {
		this.latitude = latitude;
	}
	public String getPoint_profile() {
		return point_profile;
	}
	public void setPoint_profile(String point_profile) {
		this.point_profile = point_profile;
	}
	public Float getLongitude() {
		return longitude;
	}
	public void setLongitude(Float longitude) {
		this.longitude = longitude;
	}
	public Long getId() {
		return id;
	}
	public void setId(Long id) {
		this.id = id;
	}
	public Long getRoute_id() {
		return route_id;
	}
	public void setRoute_id(Long route_id) {
		this.route_id = route_id;
	}
	public Long getPriority() {
		return priority;
	}
	public void setPriority(Long priority) {
		this.priority = priority;
	}
	public Route getRoute() {
		return route;
	}
	public void setRoute(Route route) {
		this.route = route;
	}
	
	
	
}

Mapper

package com.wzkj.manage.mapper;

import java.util.List;

import org.apache.ibatis.annotations.DeleteProvider;
import org.apache.ibatis.annotations.InsertProvider;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Result;
import org.apache.ibatis.annotations.ResultMap;
import org.apache.ibatis.annotations.SelectProvider;
import org.apache.ibatis.annotations.UpdateProvider;
import org.apache.ibatis.annotations.Many;
import com.wzkj.manage.mapper.provider.RouteProvider;
import com.wzkj.web.entity.Route;
public interface RouteMapper {
	
	@SelectProvider(type = RouteProvider.class, method = "getById")  
	@Options(flushCache = true, timeout = 20000)
	@ResultMap(value ="RouteResult")
	public Route getById(@Param("id") int id);
}

xml 文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN"
"http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">
<mapper namespace="com.wzkj.manage.mapper.RouteMapper">
	<resultMap id="RouteResult" type="com.wzkj.web.entity.Route">
		<id property="id" column="id" javaType="long" jdbcType="NUMERIC" />
		<id property="type_id" column="type_id" javaType="long" jdbcType="NUMERIC" />
		<id property="route_name" column="route_name" javaType="string" jdbcType="VARCHAR" />
		<id property="route_profile" column="route_profile" javaType="string" jdbcType="VARCHAR" />
		<id property="distance" column="distance" javaType="float" jdbcType="FLOAT" />
		<id property="tips" column="tips" javaType="string" jdbcType="VARCHAR" />
		<id property="is_top" column="is_top" javaType="boolean" jdbcType="TINYINT" />
		<id property="cover_img" column="cover_img" javaType="string" jdbcType="VARCHAR" />
		<id property="view_count" column="view_count" javaType="long" jdbcType="NUMERIC" />
		<id property="create_time" column="create_time" javaType="java.sql.Timestamp" jdbcType="TIMESTAMP" />
		<collection property="list" select="RoutePointResult"  column="id" ></collection>  
	</resultMap>
	
	<select id="RoutePointResult"  parameterType="int" resultType="com.wzkj.web.entity.RoutePoint">
		select * from wz_route_point where route_id = #{id}  
	</select>
	
	
</mapper>