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It is used for operations such as exchanging data over the network, communicating with web services, or sending and receiving data over the internet.
It is used for operations such as exchanging data over the network, communicating with web services, or sending and receiving data over the internet.<br>
TclHttp is one of a number of components from Clomosy used to create Internet pages and web-based applications. This component handles sending and receiving data over HTTP. For example, the TclHttp component can be used to send an HTTP request to a web service or to retrieve data from a web page.


TclHttp is one of a number of components from Clomosy used to create Internet pages and web-based applications. This component handles sending and receiving data over HTTP.<br>
For example, the TclHttp component can be used to send an HTTP request to a web service or to retrieve data from a web page.
<div class="table-responsive">
{| class="wikitable" style="border: 2px solid #c3d7e0"
{| class="wikitable" style="border: 2px solid #c3d7e0"
! style="background-color: #c3d7e0"| Feature !!style="background-color: #c3d7e0"| Use of !!style="background-color: #c3d7e0"|Definition
! style="background-color: #c3d7e0"| Feature !!style="background-color: #c3d7e0"| Use of !!style="background-color: #c3d7e0"| Definition  
|-
| TclHttp || Http1:TclHttp; ||A variable belonging to the TclHttp class is created.
|-
|-
| TclHttp || MyHttp:TclHttp; ||A variable belonging to the TclHttp class is created.
|Create ||Http1 = TclHttp.Create(Nil); || A TclHttp object named Http1 is created.
|-
|-
|Create ||MyHttp = TclHttp.Create(Nil); || A TclHttp object named MyHttp is created.
|GetRequest ||str = Http1.GetRequest('http://ipinfo.io/json'); || Sending HTTP GET request. The GetRequest function sends an HTTP GET request to the specified URL and receives the response.
|-
|-
|GetRequest ||str = MyHttp.GetRequest('http://ipinfo.io/json'); || Sending HTTP GET request. The GetRequest function sends an HTTP GET request to the specified URL and receives the response.
|PostRequest ||str = Http1.PostRequest('http://ipinfo.io/json',str); //str: TclStringList || The POST method is used to send data to a web server. A POST request is typically used to send data submitted by a user through a web form to the server. In Clomosy, the PostRequest function is used to send a 'post' request to a URL address. The first parameter should be the server information, and the second parameter should be the data to be sent.
|-
|-
|Free ||MyHttp.Free; ||It refers to releasing a dynamically created object from memory at program run time.
|Free ||Http1.Free; ||It refers to releasing a dynamically created object from memory at program run time.
|}
|}
</div>


'''Example:'''<br>


void getHttpRequest;
<b>Example</b><br>
var  
<pre>
  Str:String;
void getHttpRequest;
  MyHttp:TclHttp;
var  
{
Str:String;
  MyHttp=TclHttp.Create(Nil);
MyHttp:TclHttp;
  Try
{
    str=MyHttp.GetRequest('http://ipinfo.io/json');
MyHttp=TclHttp.Create(Nil);
    ShowMessage(str);
Try
  Finally
  str=MyHttp.GetRequest('http://ipinfo.io/json');
    MyHttp.Free;
  ShowMessage(str);
  }
Finally
}
  MyHttp.Free;
{
  getHttpRequest;
  }
  }
}
{
getHttpRequest;
}
</pre>


== See Also ==
<h2> See Also </h2>
* [[Components]]
* [[Object Properties]]
* [[AddNewEvent]]
* [[Code_Example#Web_API_Usage | Web API Usage]]
* [[Code_Example#Web_API_Usage | Web API Usage]]

Revision as of 13:29, 18 November 2024

It is used for operations such as exchanging data over the network, communicating with web services, or sending and receiving data over the internet.

TclHttp is one of a number of components from Clomosy used to create Internet pages and web-based applications. This component handles sending and receiving data over HTTP.

For example, the TclHttp component can be used to send an HTTP request to a web service or to retrieve data from a web page.

Feature Use of Definition
TclHttp Http1:TclHttp; A variable belonging to the TclHttp class is created.
Create Http1 = TclHttp.Create(Nil); A TclHttp object named Http1 is created.
GetRequest str = Http1.GetRequest('http://ipinfo.io/json'); Sending HTTP GET request. The GetRequest function sends an HTTP GET request to the specified URL and receives the response.
PostRequest str = Http1.PostRequest('http://ipinfo.io/json',str); //str: TclStringList The POST method is used to send data to a web server. A POST request is typically used to send data submitted by a user through a web form to the server. In Clomosy, the PostRequest function is used to send a 'post' request to a URL address. The first parameter should be the server information, and the second parameter should be the data to be sent.
Free Http1.Free; It refers to releasing a dynamically created object from memory at program run time.


Example

void getHttpRequest;
var 
 Str:String;
 MyHttp:TclHttp;
{
 MyHttp=TclHttp.Create(Nil);
 Try
   str=MyHttp.GetRequest('http://ipinfo.io/json');
   ShowMessage(str);
 Finally
   MyHttp.Free;
 }
}

{
 getHttpRequest;
}

See Also