通过本文主要向大家介绍了jquery,alert,confirm等相关知识,希望对您有所帮助,也希望大家支持linkedu.com www.linkedu.com
实现功能：
1.修改标题样式。把jquery ui的标题样式放上去。支持换肤。
2.修改按钮样式，换成jqueryui的button按钮样式。
3.将模式化窗口的背景换成了jqueryui的模式化背景。
代码：
//首先要引入jquery，以及ui的包和皮肤的样式如：
<script src="../js/ui/jquery-1.11.0.min.js"></script>
<script src="../js/ui/jquery-migrate-1.1.0.min.js"></script>
<script src="../js/ui/minified/jquery.ui.core.min.js"></script>
<script src="../js/ui/minified/jquery.ui.widget.min.js"></script>
<script src="../js/ui/minified/jquery.ui.mouse.min.js"></script>
<script src="../js/ui/minified/jquery.ui.button.min.js"></script>
<script src="../js/ui/minified/jquery.ui.draggable.min.js"></script>
<link rel="stylesheet" type="text/css" href="../js/ui/themes/humanity/jquery-ui.css"></link>
(function($) {
$.alerts = {
// These properties can be read/written by accessing $.alerts.propertyName from your scripts at any time
verticalOffset: -75, // vertical offset of the dialog from center screen, in pixels
horizontalOffset: 0, // horizontal offset of the dialog from center screen, in pixels/
repositionOnResize: true, // re-centers the dialog on window resize
overlayOpacity: .01, // transparency level of overlay
overlayColor: '#FFF', // base color of overlay
draggable: true, // make the dialogs draggable (requires UI Draggables plugin)
okButton: ' 确认 ', // text for the OK button
cancelButton: ' 取消 ', // text for the Cancel button
dialogClass: null, // if specified, this class will be applied to all dialogs
// Public methods
alert: function(message, title, callback) {
if( title == null ) title = 'Alert';
$.alerts._show(title, message, null, 'alert', function(result) {
if( callback ) callback(result);
});
},
confirm: function(message, title, callback) {
if( title == null ) title = 'Confirm';
$.alerts._show(title, message, null, 'confirm', function(result) {
if( callback ) callback(result);
});
},
prompt: function(message, value, title, callback) {
if( title == null ) title = 'Prompt';
$.alerts._show(title, message, value, 'prompt', function(result) {
if( callback ) callback(result);
});
},
// Private methods
_show: function(title, msg, value, type, callback) {
$.alerts._hide();
$.alerts._overlay('show');
$("BODY").append(
'<div id="popup_container" style="width:300px;height:150px;">' +
'<h2 id="popup_title" style="margin:0;padding:0;" class="ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix"></h2>' +
'<div id="popup_content">' +
'<div id="popup_message"></div>' +
'</div>' +
'</div>');
if( $.alerts.dialogClass ) $("#popup_container").addClass($.alerts.dialogClass);
// IE6 Fix
//var pos = ($.browser.msie && parseInt($.browser.version) <= 6 ) ? 'absolute' : 'fixed';
var pos = ('undefined' == typeof (document.body.style.maxHeight)) ? 'absolute' : 'fixed';
$("#popup_container").css({
position: pos,
zIndex: 99999,
padding: 0,
margin: 0
});
$("#popup_title").text(title);
$("#popup_content").addClass(type);
$("#popup_message").text(msg);
$("#popup_message").html( $("#popup_message").text().replace(/\n/g, '<br />') );
$("#popup_container").css({
minWidth: $("#popup_container").outerWidth(),
maxWidth: $("#popup_container").outerWidth()
});
$.alerts._reposition();
$.alerts._maintainPosition(true);
switch( type ) {
case 'alert':
$("#popup_message").after('<div id="popup_panel"><input type="button" onmouseover="$(this).addClass(\'ui-state-hover\')" onmouseout="$(this).removeClass(\'ui-state-hover\')" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="' + $.alerts.okButton + '" id="popup_ok" /></div>');
$("#popup_ok").click( function() {
$.alerts._hide();
callback(true);
});
$("#popup_ok").focus().keypress( function(e) {
if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
});
break;
case 'confirm':
$("#popup_message").after('<div id="popup_panel"><input type="button" onmouseover="$(this).addClass(\'ui-state-hover\')" onmouseout="$(this).removeClass(\'ui-state-hover\')" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="' + $.alerts.okButton + '" id="popup_ok" /> <input type="button" onmouseover="$(this).addClass(\'ui-state-hover\')" onmouseout="$(this).removeClass(\'ui-state-hover\')" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>');
$("#popup_ok").click( function() {
$.alerts._hide();
if( callback ) callback(true);
});
$("#popup_cancel").click( function() {
$.alerts._hide();
if( callback ) callback(false);
});
$("#popup_ok").focus();
$("#popup_ok, #popup_cancel").keypress( function(e) {
if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
});
break;
case 'prompt':
$("#popup_message").append('<br /><input type="text" size="30" id="popup_prompt" />').after('<div id="popup_panel"><input type="button" onmouseover="$(this).addClass(\'ui-state-hover\')" onmouseout="$(this).removeClass(\'ui-state-hover\')" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="' + $.alerts.okButton + '" id="popup_ok" /> <input type="button" onmouseover="$(this).addClass(\'ui-state-hover\')" onmouseout="$(this).removeClass(\'ui-state-hover\')" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>');
$("#popup_prompt").width( $("#popup_message").width() );
$("#popup_ok").click( function() {
var val = $("#popup_prompt").val();
$.alerts._hide();
if( callback ) callback( val );
});
$("#popup_cancel").click( function() {
$.alerts._hide();
if( callback ) callback( null );
});
$("#popup_prompt, #popup_ok, #popup_cancel").keypress( function(e) {
if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
});
if( value ) $("#popup_prompt").val(value);
$("#popup_prompt").focus().select();
break;
}
// Make draggable
if( $.alerts.draggable ) {
try {
$("#popup_container").draggable({ handle: $("#popup_title") });
$("#popup_title").css({ cursor: 'move' });
} catch(e) { /* requires jQuery UI draggables */ }
}
},
_hide: function() {
$("#popup_container").remove();
$.alerts._overlay('hide');
$.alerts._maintainPosition(false);
},
_overlay: function(status) {
switch( status ) {
case 'show':
$.alerts._overlay('hide');
$("BODY").append('<div class="ui-widget-overlay" id="popup_overlay"></div>');
break;
case 'hide':
$("#popup_overlay").remove();
break;
}
},
_reposition: function() {
var top = (($(window).height() / 2) - ($("#popup_container").outerHeight() / 2)) + $.alerts.verticalOffset;
var left = (($(window).width() / 2) - ($("#popup_container").outerWidth() / 2)) + $.alerts.horizontalOffset;
if( top < 0 ) top = 0;
if( left < 0 ) left = 0;
// IE6 fix
if ('undefined' == typeof (document.body.style.maxHeight)) top = top + $(window).scrollTop();
$("#popup_container").css({
top: top + 'px',
left: left + 'px'
});
},
_maintainPosition: function(status) {
if( $.alerts.repositionOnResize ) {
switch(status) {
case true:
$(window).bind('resize', function() {
$.alerts._reposition();
});
break;
case false:
$(window).unbind('resize');
break;
}
}
}
}
// Shortuct functions
jAlert = function(message, title, callback) {
$.alerts.alert(message, title, callback);
}
jConfirm = function(message, title, callback) {
$.alerts.con