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    Default Download File From Content

    Download File From Content


    Hello,

    I need to download a generated file from content.

    I get content from ajax and after i want to download a file WITH this content.

    Is is possible ?

    I already tried to create a form with a hidden field, datas are not sent, same for textarea, because the datas are too big ?

    Thanks for help,

    Samos

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    I need to download a generated file from content.
    Is the file generated on the server and you want to display/save it to client?

    I already tried to create a form with a hidden field, datas are not sent, same for textarea, because the datas are too big
    I am not sure I understand this ... do you mean sending file to server?

    Please detail what you are trying to achieve.

    Scott.

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    Hello Scott,

    I receive from server the content of a file (via ajax request), i want to create a file and save it on local hard drive with this content.

    Samuel

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    This is a security risk and not supported. Imagine some website trying to save a file to your PC.
    There are however several approaches online I believe if you search around the net.

    If you send the file, you can use window.open(file) to open a save dialog.

    Scott.

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    Yes i want to save the file with a "save as" dialog, but i really don't know how to do.

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    This is more of a browser issue ... server has to set the content, browser will open.

    Here is an example:
    http://examples.extjs.eu/

    Go to Form/Downloading Files

    Has demo and source.

    Scott.

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    It is not a good example because the form request a file (download.php), me i get only content of this file, and from this content generate a file.

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    Default SOLVED

    SOLVED


    var results = Ext.decode(response.responseText) ;
    window.open("data:text/csv;base64," + window.btoa(results), "_blank");

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    As I mentioned above .. glad you got it working ...

    Scott.

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    Default Hmm..

    Hmm..


    I'm also trying to download a file (generated on the fly, on the server).

    When I try:
    Code:
    var results = Ext.decode(response.responseText) ;
    window.open("data:text/csv;base64," + window.btoa(results), "_blank");
    as in:
    Code:
    Ext.Ajax.request({
        url: app_constants.EXPORT_TO_EXCEL_URL,
    method: 'POST',       componentName: gridtoexport,
    
            success: 
    function(result, request) {
    var results = Ext.decode(result.responseText) ;
                window.open(
    "data:text/csv;base64," + window.btoa(results), "_blank");
    },
    
            failure: 
    function(result, request) {
    
                Ext.MessageBox.alert(
    'Failed', result.responseText);
            },
            jsonData: payload
            });
        };

    .. I get (in the browser):
    Uncaught Ext.Error: You're trying to decode an invalid JSON String

    How can I get ext to understand that this is a binary file and not a json string ? (I've already set the correct content type etc. on the serverside).

    Any ideas how I can read the binary file out of response.responseText ?
    Oh - and I'm using Ext js 4.1.2

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