Return value of jquery UI dialog Box

问题

You may find solution over this in many posts(Post 1 , Post2 ), but their solution not working for me.

Here is the normal jquery dialog box written by me.

$("#dialog").dialog({
        autoOpen:false,
        buttons:{
            "ok":function(){                                        
                        $(this).dialog("close"); 
                        return true;                                                                    
                    },
            "cancel":function(){                          
                        $(this).dialog("close");     return false;                  
                }
            }   
});

I will open the dialogbox with code:

var returnVal=$("#dialog").dialog("open");

I need to return false,if user clicks 'cancel' and return true if user clicks 'ok'.

var returnVal=$("#dialog").dialog("open");

I NEED returnVal to return boolean value(true/false), but it returns javascript object.

回答1:

You cannot return something from the OK / cancel functions as they are essentially event handlers that are only processed upon the click of a button.

Use a separate function to process the result :

$mydialog = $("#dialog").dialog({
    autoOpen: false,
    buttons: {
        "ok": function() {
            $(this).dialog("close");
            processResult(true);
        },
        "cancel": function() {
            $(this).dialog("close");
            processResult(false);
        }
    }
});

$mydialog.dialog("open");


function processResult(result) {
    alert(result);
}

Working example : http://jsfiddle.net/nz2dH/

回答2:

I have implement Yes/No confirmation dialog with custom message and callback function like this. This is useful, if you like to use the same dialog for various purposes.

<script type="text/javascript">
    // prepare dialog
    $(function () {
        $("#confirm-message-dialog").dialog({
            autoOpen: false,
            modal: true,
            closeOnEscape: false,
            buttons: {
                Yes: function () {
                    $(this).dialog("close");
                    $(this).data("callback")(true);
                },
                No: function () {
                    $(this).dialog("close");
                    $(this).data("callback")(false);
                }
            }
        });
    });

    // open dialog with message and callback function
    function confirmMessageDialog (message, callback) {
        $('#confirm-message-dialog-message').text(message);
        $('#confirm-message-dialog').data("callback", callback).dialog("open");
    };
</script>

<!-- The dialog content -->
<div id="confirm-message-dialog" title="Warning"> 
    <p id="confirm-message-dialog-message"></p>
</div>

Hope that this helps others as well :)

来源：https://stackoverflow.com/questions/8740021/return-value-of-jquery-ui-dialog-box