自定义 bootstrap alert 警告框和确认框

var toast = new Object;
toast.init = function() {
	$('body')
			.append(
					'<div id="alert_div_container" style="left:40%;top:1%;max-width:50%;position:absolute;z-index:99999; opacity:1;display:none"></div>');
	this.isInit=true;
}
toast.alertDivNum = 0;
toast.isInit=false;
toast.clearAlertDiv = function(divId) {
	this.alertDivNum--;
	$("#" + divId).remove();
	if (this.alertDivNum <= 0) {
		$("#alert_div_container").hide();
	}
};
toast.intervalShow = function(divId) {
	this.alertDivNum++;
	setTimeout(function() {
		$("#" + divId).fadeOut(300);
		toast.clearAlertDiv(divId);
	}, 2500);
}
toast.generateId = function() {
	var date = new Date();
	return 'alert_div' + date.valueOf();
};
toast.success = function(msg) {
	if(!this.isInit){
		this.init();
	}
	var html = '';
	var divId = toast.generateId();
	if (msg) {
		html = '<div id="'
				+ divId
				+ '" class="alert alert-success text-center">'
				+ msg + '</div>';
	} else {
		html = '<div id="'
				+ divId
				+ '" class="alert alert-success text-center"><strong>操作成功!</strong></div>';
	}
	$("#alert_div_container").append(html);
	$("#alert_div_container").show();
	this.intervalShow(divId);
};
toast.error = function(msg) {
	if(!this.isInit){
		this.init();
	}
	var html = '';
	var divId = toast.generateId();
	html = '<div id="' + divId
			+ '" class="alert alert-danger text-center"><strong></strong>'
			+ msg + '</div>';
	$("#alert_div_container").append(html);
	$("#alert_div_container").show();
	this.intervalShow(divId);
};
(function($) {
	toast.confirm = function() {
		var html = '<div id="[Id]" class="modal fade" role="dialog" aria-labelledby="modalLabel">'
				+ '<div class="modal-dialog modal-sm">'
				+ '<div class="modal-content">'
				+ '<div class="modal-header">'
				+ '<button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>'
				+ '<h4 class="modal-title" id="modalLabel">[Title]</h4>'
				+ '</div>'
				+ '<div class="modal-body">'
				+ '<p>[Message]</p>'
				+ '</div>'
				+ '<div class="modal-footer">'
				+ '<button type="button" class="btn btn-default cancel" data-dismiss="modal">[BtnCancel]</button>'
				+ '<button type="button" class="btn btn-primary ok" data-dismiss="modal">[BtnOk]</button>'
				+ '</div>' + '</div>' + '</div>' + '</div>';
		var reg = new RegExp("\\[([^\\[\\]]*?)\\]", 'igm');
		var generateId = function() {
			var date = new Date();
			return 'mdl' + date.valueOf();
		}
		var init = function(options) {
			options = $.extend({}, {
				title : "操作确认框",
				message : "提示内容",
				btnok : "确定",
				btncl : "取消",
				width : 200,
				auto : false
			}, options || {});
			var modalId = generateId();
			var content = html.replace(reg, function(node, key) {
				return {
					Id : modalId,
					Title : options.title,
					Message : options.message,
					BtnOk : options.btnok,
					BtnCancel : options.btncl
				}[key];
			});
			$('body').append(content);
			$('#' + modalId).modal({
				width : options.width,
				backdrop : 'static'
			});
			$('#' + modalId).on('hide.bs.modal', function(e) {
				$('body').find('#' + modalId).remove();
			});
			return modalId;
		}
		return {
			show : function(options) {
				var id = init(options);
				var modal = $('#' + id);
				modal.find('.ok').removeClass('btn-primary').addClass(
						'btn-success');
				modal.find('.cancel').show();
				return {
					id : id,
					bind : function(callback,callback2) {
						if (callback && callback instanceof Function) {
							modal.find('.ok').click(function() {
								callback();
							});
						}
						if (callback2 && callback2 instanceof Function) {
							modal.find('.cancel').click(function() {
								callback2();
							});
						}
					}
				};
			}
		}
	}();
})(jQuery);

文件下载地址：toast.js