封装的alert，confirm弹出框

/*弹出层*/
.modal{
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1050;
    display: none;
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
    outline: 0;
    background-color: rgba(0, 0, 0, 0.5);
}
.modal .modal-dialog{
    position: relative;
    width:auto;
    margin: 10px;
}
.modal .modal-content{
  position: relative;
  background-color: #fff;
  -webkit-background-clip: padding-box;
  background-clip: padding-box;
  border: 1px solid #999;
  border: 1px solid rgba(0, 0, 0, .2);
  border-radius: 6px;
  outline: 0;
  -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, .5);
    box-shadow: 0 3px 9px rgba(0, 0, 0, .5);
    max-width: 350px;
    min-width: 300px;
    margin: 0 auto;
    display: block;
}
.modal .modal-header{
    padding: 15px;
    border-bottom: 1px solid #e5e5e5;
}
.modal .modal-header h3{
    margin: 0;
    text-align: center;
}
.modal .modalclose{
    position: absolute;
    right: -10px;
    top: -12px;
}
.modal .modalclose  i{
    color:#FE9900;
    font-size: 40px;
}
.modal .modal-body{
    position: relative;
      padding: 15px;
}
.modal .modal-footer {
  /*padding: 10px;*/
  text-align: right;
  border-top: 1px solid #e5e5e5;
  text-align: center;
}
.modal .modal-footer button{
    margin: 10px;
}

/*
 *弹出框调用
  Modal.alert({msg:'111'})
  Modal.confirm({msg:'111'},function(is){console.log(is)})
 **/
var dialog_model = '<div id="dialogModal" class="modal"><div class="modal-dialog"><div class="modal-content"><div class="modal-header"><h3 >[Title]</h3></div><div class="modal-body"><p>[Message]</p></div><div class="modal-footer"><button type="button" class="btn  btn-org ok" >[BtnOk]</button><button type="button" class="btn btn-default cancel">[BtnCancel]</button></div></div></div></div>'
document.write(dialog_model)
var alr = $("#dialogModal");
var windHeight = $(window).height();
alr.children().css({
    "top":(windHeight/2)-165,
    "right": "15px",
})
var ahtml = alr.html();
var Modal = {
    alert:function(options){
　　 alr.html(ahtml);
        this._dialog(options);
        alr.fadeIn()
        alr.find('.cancel').hide();
        alr.find('.ok').off('click').on('click',function() {
          alr.fadeOut()
        });
    },
    confirm:function(options,callback) {
　　　　  alr.html(ahtml);
        this._dialog(options);
        alr.fadeIn()
        alr.find('.cancel').show();
        alr.find('.ok').off('click').on('click',function() {
            callback && callback(true);
        });
        alr.find('.cancel').off('click').on('click',function() {
            alr.fadeOut();
        })
    },
    _dialog:function(options){
        var reg = new RegExp("\\[([^\\[\\]]*?)\\]", 'igm');
　　　　  alr.html(ahtml); 
        var ops = {
            msg: "数据出错",
            title: "操作提示",
            btnok: "确定",
            btncl: "取消"
        }
        $.extend(ops, options);
        var html = alr.html().replace(reg, function(node, key) {
            return {
                Title: ops.title,
                Message: ops.msg,
                BtnOk: ops.btnok,
                BtnCancel: ops.btncl
            }[key];
        });
        alr.html(html);
    }
}