C# Json成功未在有效Json上触发
我正在尝试将json消息从自定义应用程序发送到网页。正在返回json消息,该消息似乎有效,但不会触发success函数。我目前正在使用jquery-1.4.4.js,之前我使用jquery.com上托管的jquery-latest.js。使用该版本时,我收到了一个parseerror错误,但使用1.4.4时,我没有收到成功或失败的消息 我的代码如下: 在网页上:C# Json成功未在有效Json上触发,c#,jquery,json,C#,Jquery,Json,我正在尝试将json消息从自定义应用程序发送到网页。正在返回json消息,该消息似乎有效,但不会触发success函数。我目前正在使用jquery-1.4.4.js,之前我使用jquery.com上托管的jquery-latest.js。使用该版本时,我收到了一个parseerror错误,但使用1.4.4时,我没有收到成功或失败的消息 我的代码如下: 在网页上: <script> $(document).ready(function () { $.ajax({url: "ht
<script>
$(document).ready(function () {
$.ajax({url: "http://localhost:8080/callback=?",
dataType: "json",
success: function(data)
{
alert("reply received");
},
error: function(data, error)
{
alert("error: " + error);
}
});
});
</script>
在我的C应用程序中,代码是:
string response = "[{\"name\":\"John\"},{\"name\":\"Mike\"}]";
request.ContentType = "application/json";
webserver.SendToBrowser(response, request);
和
public void SendToBrowser(string data, Classes.HTTPRequest request)
{
int numBytes = 0;
byte[] bData = Encoding.ASCII.GetBytes(data);
try
{
string header = "";
header += "HTTP/1.1 200 OK\r\n";
header += "Server: MyServer\r\n";
header += "Content-Length: " + bData.Length.ToString() + "\r\n";
header += "Content-Language: en\n\r";
header += "Content-Type: " + request.ContentType + "\r\n";
header += "Connection: close\r\n\r\n";
Byte[] headerBytes = Encoding.ASCII.GetBytes(header);
if (request.Socket.Connected)
{
request.Socket.Send(headerBytes, headerBytes.Length, 0);
if ((numBytes = request.Socket.Send(bData, bData.Length, 0)) == -1)
Console.WriteLine("Socket Error cannot Send Packet");
else
{
Console.WriteLine("No. of bytes sent {0}", numBytes);
}
}
else
Console.WriteLine("Connection Dropped....");
}
catch (Exception e)
{
Console.WriteLine("Error Occurred : {0} ", e );
}
request.Socket.Close();
}
非常感谢任何帮助 JSONP不是魔法
您的服务器需要遵循JSONP协议并读取callback=参数。是的,您是对的,我需要读取回调函数,然后将参数名称传递回页面。e、 使用callback=?将生成callback=jsonp1341571525854的调用,然后我需要将其作为jsonp1341571525854[{name:John},{name:Mike}]返回到json消息中的页面
public void SendToBrowser(string data, Classes.HTTPRequest request)
{
int numBytes = 0;
byte[] bData = Encoding.ASCII.GetBytes(data);
try
{
string header = "";
header += "HTTP/1.1 200 OK\r\n";
header += "Server: MyServer\r\n";
header += "Content-Length: " + bData.Length.ToString() + "\r\n";
header += "Content-Language: en\n\r";
header += "Content-Type: " + request.ContentType + "\r\n";
header += "Connection: close\r\n\r\n";
Byte[] headerBytes = Encoding.ASCII.GetBytes(header);
if (request.Socket.Connected)
{
request.Socket.Send(headerBytes, headerBytes.Length, 0);
if ((numBytes = request.Socket.Send(bData, bData.Length, 0)) == -1)
Console.WriteLine("Socket Error cannot Send Packet");
else
{
Console.WriteLine("No. of bytes sent {0}", numBytes);
}
}
else
Console.WriteLine("Connection Dropped....");
}
catch (Exception e)
{
Console.WriteLine("Error Occurred : {0} ", e );
}
request.Socket.Close();
}