public byte[] ProcessHighChartsRequest(HighCharts chart)
{
if (ExeProcess.HasExited)
{
if (_keepAlive)
{
StartServer();
}
else
{
Dispose();
throw new Exception("could not process. Server is no longer running and KeepAlive is set to false.");
}
}
var newGuid = Guid.NewGuid();
var temporaryGraphImageFile = Path.Combine(TemporaryImagesDirectory, $"{newGuid}.png");
var wrapper = new HighChartsRenderServerWrapper()
{
infile = JsonConvert.SerializeObject(chart.options,
Formatting.Indented,
_jsonSerializerSettings),
constr = "Chart",
outfile = temporaryGraphImageFile,
callback = chart.callback
};
return(PostRequestAndReturnBytesOnSuccess(wrapper, temporaryGraphImageFile));
}
/// <summary>
/// 显示折线图
/// </summary>
/// <returns></returns>
public string OutputLine(HighCharts highCharts)
{
string result = string.Empty;
string urlLine = chartPath + "js\\template\\line.js";
using (StreamReader reader = new StreamReader(urlLine, Encoding.UTF8))
{
StringBuilder buffer = new StringBuilder(reader.ReadToEnd());
buffer.Replace("{#title#}", highCharts.Title);
buffer.Replace("{#yAxis#}", highCharts.YAxis);
buffer.Replace("#categries#", highCharts.XAxis);
buffer.Replace("{#series#}", highCharts.SeriesData);
buffer.Replace("#tooltip#", highCharts.ToolTip);
if (highCharts.Title == "注册人数")
{
buffer.Replace("#unit#", "个");
//buffer.Replace("#Yunit#", "千个");
buffer.Replace("#Yunit#", "个");
}
else
{
buffer.Replace("#Yunit#", "人");
buffer.Replace("#unit#", "人");
}
result = buffer.ToString();
}
return(result);
}
public byte[] RequestGraph(string format, HighCharts chart)
{
var postData = chart.GetSerializedData();
HttpWebRequest request =
(HttpWebRequest)WebRequest.Create(HighChartsRequestUrl);
request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
request.Method = "POST";
using (var streamWriter = new StreamWriter(request.GetRequestStream()))
{
streamWriter.Write(postData);
streamWriter.Flush();
streamWriter.Close();
}
try
{
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
// Get the stream associated with the response.
using (Stream receiveStream = response.GetResponseStream())
{
return ReadBytesFromResponse(receiveStream);
}
}
}
catch (WebException ex)
{
StringBuilder builder = new StringBuilder();
builder.Append($"Status:{ex.Status}");
if (ex.Response != null)
{
// can use ex.Response.Status, .StatusDescription
if (ex.Response.ContentLength != 0)
{
using (var stream = ex.Response.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
builder.Append($"\n\n Response: {reader.ReadToEnd()}");
}
}
}
}
throw new Exception(builder.ToString(),ex);
}
}
public byte[] RequestGraph(string format, HighCharts chart)
{
var postData = chart.GetSerializedData();
HttpWebRequest request =
(HttpWebRequest)WebRequest.Create(HighChartsRequestUrl);
request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
request.Method = "POST";
using (var streamWriter = new StreamWriter(request.GetRequestStream()))
{
streamWriter.Write(postData);
streamWriter.Flush();
streamWriter.Close();
}
try
{
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
// Get the stream associated with the response.
using (Stream receiveStream = response.GetResponseStream())
{
return(ReadBytesFromResponse(receiveStream));
}
}
}
catch (WebException ex)
{
StringBuilder builder = new StringBuilder();
builder.Append($"Status:{ex.Status}");
if (ex.Response != null)
{
// can use ex.Response.Status, .StatusDescription
if (ex.Response.ContentLength != 0)
{
using (var stream = ex.Response.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
builder.Append($"\n\n Response: {reader.ReadToEnd()}");
}
}
}
}
throw new Exception(builder.ToString(), ex);
}
}
private string ProcessHighChartImageFromExportServer(HighCharts highCharts, string ChartTitle = "Chart Title")
{
try
{
var chartImageName = string.Format(@"{0}.jpeg", Guid.NewGuid());
string outputFile = HttpContext.Server.MapPath("~/ReportResource/" + chartImageName);
var client = new HighchartsClient("http://export.highcharts.com/");
var infile = JsonConvert.SerializeObject(highCharts.options, Formatting.Indented, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
});
JObject jo = new JObject();
jo = JObject.Parse(infile);
string title = @"{""text"":" + '"' + ChartTitle + '"' + "}";
jo.Add("title", JObject.Parse(title));
JObject header = (JObject)jo.SelectToken("chart");
header.Property("marginRight").Remove();
header.Property("marginLeft").Remove();
//jo.Property("marginLeft").Remove();
infile = jo.ToString();
//System.IO.File.WriteAllText(HttpContext.Current.Server.MapPath("~/Phantom/jsondata.json"), infile);
Thread.Sleep(14000);
var res = client.GetChartImageLinkFromOptionsAsync(infile).Result;
using (WebClient webClient = new WebClient())
{
webClient.DownloadFile(new Uri(res), outputFile);
}
//logger.Error(chartImageName + " Image Generated!");
return(chartImageName);
}
catch (Exception ex)
{
//logger.Error(ex.InnerException + "Process Image--");
throw;
}
}
public string GetFromInternalServer(HighCharts highChartsData)
{
try
{
//using (HighChartsRenderServer server = new HighChartsRenderServer())
using (HighChartsRenderServer server = new HighChartsRenderServer(10000, 4, "127.0.0.1", "3003", true, null))
{
// some highcharte render server needs some times to startup. that's why set a sleep.
Thread.Sleep(1000);
var response = server.ProcessHighChartsRequest(highChartsData);
var chartImageName = string.Format(@"{0}.png", Guid.NewGuid());
string outputFile = HttpContext.Server.MapPath("~/ReportResource/" + chartImageName);
//string retOutputFile = portalUrl + "ReportResource/HighchartImage/" + chartImageName;
//File.WriteAllBytes(outputFile, response);
return(chartImageName);
}
}
catch (Exception ex)
{
throw;
}
}
public byte[] ProcessHighChartsRequest(HighCharts chart)
{
if (ExeProcess.HasExited)
{
if (_keepAlive)
{
StartServer();
}
else
{
Dispose();
throw new Exception("could not process. Server is no longer running and KeepAlive is set to false.");
}
}
var newGuid = Guid.NewGuid();
var temporaryGraphImageFile = Path.Combine(TemporaryImagesDirectory, $"{newGuid}.png");
var wrapper = new HighChartsRenderServerWrapper()
{
infile = JsonConvert.SerializeObject(chart.options,
Formatting.Indented,
_jsonSerializerSettings),
constr = "Chart",
outfile = temporaryGraphImageFile,
callback = chart.callback
};
return PostRequestAndReturnBytesOnSuccess(wrapper, temporaryGraphImageFile);
}
