public static PlaceSuggestionWrp Suggest(string query, string region)
{
PlaceSuggestionService pSSv = new PlaceSuggestionService();
JObject jObj = pSSv.Suggestion(query, region);
PlaceSuggestionWrp rslt = jObj.ToObject <PlaceSuggestionWrp>();
return(rslt);
}
private void button1_Click(object sender, EventArgs e)
{
PlaceSuggestionService pSSv = new PlaceSuggestionService();
JObject jObj = pSSv.Suggestion("WeWork", "上海");
PlaceSuggestionWrp rslt = jObj.ToObject <PlaceSuggestionWrp>();
LocationLL loc = rslt.result[1].location;
double diffLat = LocationBase.Get1KMLat();
double diffLng = LocationBase.Get1KMLng(loc.lat);
LocationTravelData data = new LocationTravelData();
TravelFullData fullData = new TravelFullData();
StringBuilder sb = new StringBuilder();
{
LocationLL eastOceanLoc = new LocationLL(121.487487, 31.236564);
LocationLL yunnanLoc = new LocationLL(121.487264, 31.233405);
loc = yunnanLoc;
}
int range = 10;
double gap = 0.5;
for (int i = -range; i < range; i++)
{
for (int j = -range; j < range; j++)
{
if (i == 0 && j == 0)
{
continue;
}
try
{
LocationLL loc2 = loc.Clone <LocationLL>();
loc2.lat += diffLat * i * gap;
loc2.lng += diffLng * j * gap;
DirectionV1Wrp dirV1 = DirectionV1Wrp.DirectionByTransit(loc, loc2, "上海");
LocationTravelData.Data dataItem = new LocationTravelData.Data();
dataItem.Loc = loc2;
dataItem.Distance = dirV1.result.routes[0].scheme[0].distance;
dataItem.Duration = dirV1.result.routes[0].scheme[0].duration;
data.DataList.Add(dataItem);
GeoDecodingServiceWrp deCdWrp = GeoDecodingServiceWrp.GeoDecoding(loc2.Clone <LocationXY>());
sb.AppendLine(deCdWrp.result.addressComponent.street + deCdWrp.result.addressComponent.street_number + "; " +
dataItem.Distance.ToString() + "; " + dataItem.Duration.ToString() + "//r");
TravelFullData.Data dataItemB = new TravelFullData.Data();
dataItemB.Target = loc2;
dataItemB.TargetAddress = deCdWrp.result.addressComponent;
dataItemB.OneTravelScheme = dirV1.result.routes[0].scheme[0];
fullData.DataList.Add(dataItemB);
}
catch { }
}
rTxBx.Text = sb.ToString();
}
JsonSerializer serializer = new JsonSerializer();
serializer.NullValueHandling = NullValueHandling.Ignore;
using (StreamWriter sw0 = new StreamWriter(@"C:\dev\baidu\json0.txt"))
using (StreamWriter sw1 = new StreamWriter(@"C:\dev\baidu\json1.txt"))
using (JsonWriter writer0 = new JsonTextWriter(sw0))
using (JsonWriter writer1 = new JsonTextWriter(sw1))
{
serializer.Serialize(writer0, fullData);
serializer.Serialize(writer1, data);
}
}
/// <summary>
/// 输入框发生变化
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void txtInput_TextChanged(object sender, EventArgs e)
{
if (txtInput.Text != "")
{
if (!_search)
{
_search = true;
return;
}
_district = ""; _city = "";
((Action)(delegate() //异步调用API 获取建议位置
{
PlaceSuggestionService pss = new PlaceSuggestionService();
JObject suggestion_places = pss.Suggestion(txtInput.Text, CurrentCity); //建议位置
if (suggestion_places != null)
{
this.Invoke((Action) delegate()
{
_suggestion_places.Controls.Clear();
_suggestion_places.Padding = new System.Windows.Forms.Padding(3);
_suggestion_places.Width = Width;
_suggestion_places.BackColor = Color.White;
_suggestion_places.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
foreach (JObject place in suggestion_places["result"]) //返回JSON结构请参见百度API文档
{
Label lbl = new Label();
lbl.MouseEnter += new EventHandler(lbl_MouseEnter);
lbl.MouseLeave += new EventHandler(lbl_MouseLeave);
lbl.Click += new EventHandler(lbl_Click);
lbl.BackColor = Color.White;
lbl.AutoSize = false;
lbl.Padding = new System.Windows.Forms.Padding(0, 5, 0, 5);
lbl.Font = new System.Drawing.Font("微软雅黑", 9);
lbl.Width = _suggestion_places.Width - 15;
lbl.Height = 30;
lbl.TextAlign = ContentAlignment.MiddleLeft;
lbl.Image = Properties.BMap.ico_search;
lbl.ImageAlign = ContentAlignment.MiddleLeft;
lbl.Tag = (string)place["name"] + "|" + (string)place["district"] + "|" + (string)place["city"];
lbl.Text = " " + (string)place["name"] + " " + (string)place["city"] + "-" + (string)place["district"]; //返回JSON结构请参见百度API文档
_suggestion_places.Controls.Add(lbl);
}
if (_suggestion_places.Controls.Count > 0)
{
Control top = FindTheTopControl();
if (top != null)
{
Point p = new Point(txtInput.Left - 1, txtInput.Top + txtInput.Height); //文本框在BPlaceBox中的位置
Point location = top.PointToClient(PointToScreen(p)); //文本框位置转换为最顶层控件坐标系中对应位置
_suggestion_places.Location = location;
_suggestion_places.Height = _suggestion_places.Controls.Count * _suggestion_places.Controls[0].Height + 10;
if (!top.Controls.Contains(_suggestion_places))
{
top.Controls.Add(_suggestion_places);
}
_suggestion_places.Visible = true;
_suggestion_places.BringToFront();
}
}
else
{
_suggestion_places.Visible = false;
}
});
}
})).BeginInvoke(null, null);
}
else
{
_suggestion_places.Visible = false;
}
}
