hotime/dri/baidu/map.go

package baidu

import (
	. "code.hoteas.com/golang/hotime/common"
	"fmt"
	"io/ioutil"
	"net/http"
	"net/url"
)

type baiduMap struct {
	Ak  string
	Url string
}

var BaiDuMap = baiduMap{}

func (that *baiduMap) Init(Ak string) {
	//"ak=ZeT902EZvVgIoGVWEFK3osUm"
	that.Ak = Ak
	that.Url = "https://api.map.baidu.com/place/v2/suggestion?output=json" + "&ak=" + Ak
	//query
}

// from	源坐标类型：
// 1：GPS标准坐标；
// 2：搜狗地图坐标；
// 3：火星坐标（gcj02），即高德地图、腾讯地图和MapABC等地图使用的坐标；
// 4：3中列举的地图坐标对应的墨卡托平面坐标;
// 5：百度地图采用的经纬度坐标（bd09ll）；
// 6：百度地图采用的墨卡托平面坐标（bd09mc）;
// 7：图吧地图坐标；
// 8：51地图坐标；
// int	1	1	否
// to
// 目标坐标类型：
// 3：火星坐标（gcj02），即高德地图、腾讯地图及MapABC等地图使用的坐标；
// 5：百度地图采用的经纬度坐标（bd09ll）；
// 6：百度地图采用的墨卡托平面坐标（bd09mc）；
func (that *baiduMap) Geoconv(latlngs []Map, from, to int) (Slice, error) {

	client := &http.Client{}
	latlngsStr := ""
	for _, v := range latlngs {
		if latlngsStr != "" {
			latlngsStr = latlngsStr + ";" + v.GetString("lng") + "," + v.GetString("lat")
		} else {
			latlngsStr = v.GetString("lng") + "," + v.GetString("lat")
		}

	}

	url := "https://api.map.baidu.com/geoconv/v1/?from=" + ObjToStr(from) + "&to=" + ObjToStr(to) + "&ak=" + that.Ak + "&coords=" + latlngsStr
	reqest, err := http.NewRequest("GET", url, nil)

	if err != nil {
		fmt.Println("Fatal error ", err.Error())
		return nil, err
	}
	response, err := client.Do(reqest)
	defer response.Body.Close()

	if err != nil {
		fmt.Println("Fatal error ", err.Error())
		return nil, err
	}

	body, err := ioutil.ReadAll(response.Body)
	if err != nil {
		return nil, err
	}

	//fmt.Println(string(body))
	data := ObjToMap(string(body))
	if data.GetCeilInt64("status") != 0 {
		return nil, err
	}

	return data.GetSlice("result"), err
}

func (that *baiduMap) GetAddress(lat string, lng string) (string, error) {

	client := &http.Client{}

	url := "https://api.map.baidu.com/reverse_geocoding/v3/?ak=" + that.Ak + "&output=json&location=" + lat + "," + lng
	reqest, err := http.NewRequest("GET", url, nil)

	if err != nil {
		fmt.Println("Fatal error ", err.Error())
		return "", err
	}
	response, err := client.Do(reqest)
	defer response.Body.Close()

	if err != nil {
		fmt.Println("Fatal error ", err.Error())
		return "", err
	}

	body, err := ioutil.ReadAll(response.Body)
	if err != nil {
		return "", err
	}

	//fmt.Println(string(body))

	return string(body), err

}

// GetPosition  获取定位列表
func (that *baiduMap) GetPosition(name string, region string) (string, error) {

	client := &http.Client{}
	if region == "" {
		region = "全国"
	}
	reqest, err := http.NewRequest("GET", that.Url+"&query="+url.PathEscape(name)+"&region="+url.PathEscape(region), nil)

	if err != nil {
		fmt.Println("Fatal error ", err.Error())
		return "", err
	}
	response, err := client.Do(reqest)
	defer response.Body.Close()

	if err != nil {
		fmt.Println("Fatal error ", err.Error())
		return "", err
	}

	body, err := ioutil.ReadAll(response.Body)
	if err != nil {
		return "", err
	}

	//fmt.Println(string(body))

	return string(body), err

}