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自定义弹窗Style样式

WBOY
Release: 2016-05-30 16:59:47
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由于系统默认alert弹出窗口不能自定义样式,有可能不符合网站的风格,虽然网上应该有很多这样的JS

但是还是自己写的比较放心,顺便练习一下对DOM的操作

支持IE6下的SELECT不能遮罩的问题,谷歌支持圆角,IE6下就比较丑了,四四方方的,不过可以自定义自己喜欢的样式

听取建议后,修改了position:fixed, IE6下用hack处理了。

点击看效果:

点击模拟Alert弹出框

点击模拟Alert弹出框

点击模拟Alert弹出框

所需CSS:

复制代码
    <style type="text/css">
        #alertMsg {
            display: none;
            width: 400px;
            border: 1px solid #ddd;
            border-radius: 5px;
            box-shadow: 1px 1px 10px black;
            padding: 10px;
            font-size: 12px;
            position: absolute;
            text-align: center;
            background: #fff;
            z-index: 100000;
        }

        #alertMsg_info {
            padding: 2px 15px;
            line-height: 1.6em;
            text-align: left;
        }

        #alertMsg_btn1, #alertMsg_btn2 {
            display: inline-block;
            background: url(images/gray_btn.png) no-repeat left top;
            padding-left: 3px;
            color: #000000;
            font-size: 12px;
            text-decoration: none;
            margin-right: 10px;
            cursor: pointer;
        }

        #alertMsg_btn1 cite, #alertMsg_btn2 cite {
            line-height: 24px;
            display: inline-block;
            padding: 0 13px 0 10px;
            background: url(images/gray_btn.png) no-repeat right top;
            font-style: normal;
        }

    </style>
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复制代码

 使用方法,直接调用函数,传递所需定义的信息,支持定义是否有取消键:

alertMsg(msg, mode)  
//mode为空,即只有一个确认按钮,mode为1时有确认和取消两个按钮
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点击模拟Alert弹出框

点击模拟Alert弹出框

点击模拟Alert弹出框

函数代码:添加了一个获取窗口尺寸的函数,又长长了很多,可以把获取窗口的尺寸另外立一个函数放公共库里面,这里只是为了方便演示,写到一个函数里面

复制代码
function alertMsg(msg, mode) { //mode为空,即只有一个确认按钮,mode为1时有确认和取消两个按钮
        msg = msg || '';
        mode = mode || 0;
        var top = document.body.scrollTop || document.documentElement.scrollTop;
        var isIe = (document.all) ? true : false;
        var isIE6 = isIe && !window.XMLHttpRequest;
        var sTop = document.documentElement.scrollTop || document.body.scrollTop;
        var sLeft = document.documentElement.scrollLeft || document.body.scrollLeft;
        var winSize = function(){
            var xScroll, yScroll, windowWidth, windowHeight, pageWidth, pageHeight;
            // innerHeight获取的是可视窗口的高度,IE不支持此属性
            if (window.innerHeight && window.scrollMaxY) {
                xScroll = document.body.scrollWidth;
                yScroll = window.innerHeight + window.scrollMaxY;
            } else if (document.body.scrollHeight > document.body.offsetHeight) { // all but Explorer Mac
                xScroll = document.body.scrollWidth;
                yScroll = document.body.scrollHeight;
            } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
                xScroll = document.body.offsetWidth;
                yScroll = document.body.offsetHeight;
            }

            if (self.innerHeight) {    // all except Explorer
                windowWidth = self.innerWidth;
                windowHeight = self.innerHeight;
            } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
                windowWidth = document.documentElement.clientWidth;
                windowHeight = document.documentElement.clientHeight;
            } else if (document.body) { // other Explorers
                windowWidth = document.body.clientWidth;
                windowHeight = document.body.clientHeight;
            }

            // for small pages with total height less then height of the viewport
            if (yScroll 确定';
        btn1.onclick = function () {
            document.body.removeChild(alertBox);
            document.body.removeChild(shadowDiv);
            return true;
        };
        alertBox.appendChild(btn1);
        if (mode === 1) {
            var btn2 = document.createElement('a');
            btn2.id = 'alertMsg_btn2';
            btn2.href = 'javas' + 'cript:void(0)';
            btn2.innerHTML = '<cite>取消</cite>';
            btn2.onclick = function () {
                document.body.removeChild(alertBox);
                document.body.removeChild(shadowDiv);
                return false;
            };
            alertBox.appendChild(btn2);
        }
        document.body.appendChild(alertBox);

    }
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复制代码
 
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点击模拟Alert弹出框

点击模拟Alert弹出框

点击模拟Alert弹出框

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