jquery⾃定义alert
前因： 由于在移动设备弹出alert时，特别是在IOS设备中会出现弹出域名的问题，所以⾃定义弹出框是必要的；
但是遇到⼀个问题: ⾃定义 confirm ⽆法在回调函数中赋值，⾃义定confirm没有返回Boolean参数，所以在修改或删除时，点击“确定”只有在回调函数中开发
js代码
(function () {
$.MsgBox = {
Alert: function (title, msg) {
GenerateHtml("alert", title, msg);
btnOk(); //alert只是弹出消息，因此没必要⽤到回调函数callback
btnNo();
},
Confirm: function (title, msg, callback) {
debugger;
GenerateHtml("confirm", title, msg);
btnOk(callback);
btnNo();
}
}
//⽣成Html
var GenerateHtml = function (type, title, msg) {
var _html = "";
_html += '<div id="mb_box"></div><div id="mb_con"><span id="mb_tit">' + title + '</span>';
_html += '<a id="mb_ico">x</a><div id="mb_msg">' + msg + '</div><div id="mb_btnbox">';
if (type == "alert") {
_html += '<input id="mb_btn_ok" type="button" value="确定" />';
}
if (type == "confirm") {
_html += '<input id="mb_btn_ok" type="button" value="确定" />';
_html += '<input id="mb_btn_no" type="button" value="取消" />';
}
_html += '</div></div>';
//必须先将_html添加到body，再设置Css样式
$("body").append(_html); GenerateCss();
}
//⽣成Css
var GenerateCss = function () {
//获取当前屏幕的宽度和⾼度
var wondWidth = $(window).width();
var wondHeight = $(window).height();
var setWidth = wondWidth * 0.7;
setWidth = setWidth+"px"
var setHeight = wondHeight *0.2;
setHeight = setHeight+"px"
$("#mb_box").css({ width: '100%', height: '100%', zIndex: '99999', position: 'fixed',
filter: 'Alpha(opacity=60)', backgroundColor: 'black', top: '0', left: '0', opacity: '0.6'
});
$("#mb_con").css({ zIndex: '999999', width: setWidth, position: 'fixed',
$("#mb_con").css({ zIndex: '999999', width: setWidth, position: 'fixed',
backgroundColor: 'White', borderRadius: '15px',top:'30%',left:'40%'
});
$("#mb_tit").css({ display: 'block', fontSize: '14px', color: '#444', padding: '10px 15px',
backgroundColor: '#DDD', borderRadius: '15px 15px 00',
borderBottom: '3px solid #009BFE', fontWeight: 'bold'
});
jquery弹出div窗口
$("#mb_msg").css({ padding: '20px', lineHeight: '20px',
borderBottom: '1px dashed #DDD', fontSize: '13px'
});
$("#mb_ico").css({ display: 'block', position: 'absolute', right: '10px', top: '9px',
border: '1px solid Gray', width: '18px', height: '18px', textAlign: 'center',
lineHeight: '16px', cursor: 'pointer', borderRadius: '12px', fontFamily: '微软雅⿊'
});
$("#mb_btnbox").css({ margin: '3px 010px 0', textAlign: 'center' });
//    $("#mb_btn_ok,#mb_btn_no").css({ width: '80px', height: '25px', color: 'white', border: 'none' });
$("#mb_btn_ok,#mb_btn_no").css({ width: '80px', height: '25px', color: '#222', border: 'none' });
$("#mb_btn_ok").css({ backgroundColor: '#168bbb' });
$("#mb_btn_no").css({ backgroundColor: 'gray', marginLeft: '20px' });
//右上⾓关闭按钮hover样式
$("#mb_ico").hover(function () {
$(this).css({ backgroundColor: 'Red', color: 'White' });
}, function () {
$(this).css({ backgroundColor: '#DDD', color: 'black' });
});
var _widht = document.documentElement.clientWidth; //屏幕宽
var _height = document.documentElement.clientHeight; //屏幕⾼
var boxWidth = $("#mb_con").width();
var boxHeight = $("#mb_con").height();
/
/让提⽰框居中
$("#mb_con").css({ top: (_height - boxHeight) / 2 + "px", left: (_widht - boxWidth) / 2 + "px" });
}
//确定按钮事件
var btnOk = function (callback) {
$("#mb_btn_ok").click(function () {
$("#mb_box,#mb_con").remove();
if (typeof (callback) == 'function') {
callback();
}
});
}
//取消按钮事件
var btnNo = function () {
$("#mb_btn_no,#mb_ico").click(function () {
$("#mb_box,#mb_con").remove();
});
}
})();
项⽬总使⽤
<div class="hesvit_form">
<form>
<input name="id"type="hidden"value="${userRel.id}">
<input name="userId"type="hidden"value="${userRel.userId}">
<input id="remarkName"name="remarkName"value="${arkName}"type="text"maxlength="5"placeholder="请输⼊昵称" /> <input id="accountName"name="accountName"value="${user.userName}"readonly="readonly"type="text" />
</form>
</div>
<div class="hesvit_btn"onclick="update_data()">保存</div>
<div class="hesvit_btn"onclick="del_data()">删除</div>
<script type="text/javascript">
// 删除关联
function del_data() {
$.MsgBox.Confirm("温馨提⽰", "您确认要删除吗？",
function() {
var d = {};
var t = $('form').serializeArray();
$.each(t, function() {
d[this.name] = this.value;
});
$.ajax({
type : "POST",
url :  '${ctx}/wx/userRelation/deleteUserRel',
data : JSON.stringify(d),
dataType: 'json',
contentType: "application/json; charset=utf-8",
success:function(result) {
if(result && de == '0') {
var rstdata = result.data;
window.location.href = "${ctx}/wx/userRelation/addButtomUserRelation.wxhtml";
}else {
$.MsgBox.Alert("消息",ssage);
}
},
error : function(XMLHttpRequest, textStatus, errorThrown) {
$.MsgBox.Alert("错误消息","删除失败>:"+textStatus);
}
});
});
}
</script>
jquery 默认confirm
var choice = confirm("您确认要删除吗？", function() {
}, null);
if(choice){
}

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