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package biz
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/go-kratos/kratos/v2/log"
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"io"
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"net/http"
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)
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type MapServiceBiz struct {
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log *log.Helper
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}
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func NewMapServiceBiz(logger log.Logger) *MapServiceBiz {
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return &MapServiceBiz{log: log.NewHelper(logger)}
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}
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// 获取驾驶信息
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func (msbiz *MapServiceBiz) GetDriverInfo(origin, destination string) (string, string, error) {
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// 一，请求获取
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key := "54be816ba4fae6572a1701f2c578ec71"
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api := "https://restapi.amap.com/v3/direction/driving"
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parameters := fmt.Sprintf("origin=%s&destination=%s&extensions=base&output=json&key=%s", origin, destination, key)
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url := api + "?" + parameters
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resp, err := http.Get(url)
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if err != nil {
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return "", "", err
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}
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defer func() {
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_ = resp.Body.Close()
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}()
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body, err := io.ReadAll(resp.Body) // resp.Body是io.Reader类型 需要io.ReadAll读出来变成byte[]类型
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if err != nil {
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return "", "", err
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}
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// 二，解析出来,json
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ddResp := DirectionDrivingResp{}
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if err := json.Unmarshal(body, &ddResp); err != nil {
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return "", "", err
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}
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// 三，判定LSB请求结果
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if ddResp.Status == "0" {
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return "", "", errors.New(ddResp.Info)
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}
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// 四，正确返回，默认使用第一条路线
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path := ddResp.Route.Paths[0]
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return path.Distance, path.Duration, nil
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}
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type DirectionDrivingResp struct {
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Status string `json:"status,omitempty"`
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Info string `json:"info,omitempty"`
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Infocode string `json:"infocode,omitempty"`
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Count string `json:"count,omitempty"`
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Route struct {
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Origin string `json:"origin,omitempty"`
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Destination string `json:"destination,omitempty"`
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Paths []Path `json:"paths,omitempty"`
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} `json:"route"`
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}
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type Path struct {
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Distance string `json:"distance,omitempty"`
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Duration string `json:"duration,omitempty"`
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Strategy string `json:"strategy,omitempty"`
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}
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