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js網(wǎng)頁(yè)右下角提示框?qū)嵗?/h1>
 更新時(shí)間：2014年10月14日 10:38:18   投稿：shichen2014  
這篇文章主要介紹了js網(wǎng)頁(yè)右下角提示框的實(shí)現(xiàn)方法,以實(shí)例展示了css樣式與HTML布局,以及對(duì)應(yīng)的js顯示與關(guān)閉提示框等功能,需要的朋友可以參考下

本文實(shí)例講述了js網(wǎng)頁(yè)右下角提示框的實(shí)現(xiàn)方法，分享給大家供大家參考。具體方法如下：

html代碼部分如下：

復(fù)制代碼 代碼如下:
<style type="text/css">
.messageTip{border-right: #455690 1px solid; border-top: #a6b4cf 1px solid; border-left: #a6b4cf 1px solid; border-bottom: #455690 1px solid; z-index:99999; left: 0px; top: 0px; visibility:hidden; width: 230px; position: absolute; background:#cfdef4; text-align:left}
.messageTip .close{position:absolute; right:0px; font-weight:bold; padding:4px 4px 0 0;}
.messageTip .close a{color:red;font-size:12px; text-decoration:none;}
.messageTip .content{border-top: #ffffff 1px solid; border-left: #ffffff 1px solid}
.messageTip .content .title{color: #1f336b; padding-top: 4px;padding-left: 4px; height:22px;}
.messageTip .content .msg{border-right: #b9c9ef 1px solid;border-left: #728eb8 1px solid; border-top: #728eb8 1px solid; padding:10px; margin:1px}
</style>

<script type="text/javascript" src="/js/base.js"></script>
<div id="eMeng" class="messageTip">
    <div class="close"><a href="javascript:msgTip.close();" title="關(guān)閉">×</a></div>
    <div class="content">
        <div class="title">系統(tǒng)提示：</div>
        <div class="msg">
        內(nèi)容
        </div>
    </div>
</div>

js代碼部分如下：

復(fù)制代碼 代碼如下:
function messageTip(pJso) {
    _.init(this, pJso, {
        name: 'msg'//提示框標(biāo)簽ID
    });
    this.eMsg = document.getElementById(this.name);
}

messageTip.prototype =
{
    //提示框始終在最右下角
    rePosition: function(_this) {
        var divHeight = parseInt(_this.eMsg.offsetHeight, 10);
        var divWidth = parseInt(_this.eMsg.offsetWidth, 10);
        var docWidth = document.body.clientWidth;
        var docHeight = document.body.clientHeight;
        _this.eMsg.style.top = docHeight - divHeight + parseInt(document.body.scrollTop, 10);
        _this.eMsg.style.left = docWidth - divWidth + parseInt(document.body.scrollLeft, 10);
    },

    //提示框慢慢往上升
    moveDiv: function(_this) {
        /*
        這里可以設(shè)置自動(dòng)幾秒后關(guān)閉
        ...
        */
        try {
            if (parseInt(_this.eMsg.style.top, 10) <= (_this.docHeight - _this.divHeight + parseInt(document.body.scrollTop, 10))) {
                window.clearInterval(_this.objTimer);
                _this.objTimer = window.setInterval(function() { _this.rePosition(_this); }, 1);
            }
            _this.divTop = parseInt(_this.eMsg.style.top, 10);
            _this.eMsg.style.top = _this.divTop - 1;
        }
        catch (e) {
        }
    },
   
    //關(guān)閉提示框
    close: function() {
        this.eMsg.style.visibility = 'hidden';
        if (this.objTimer) window.clearInterval(this.objTimer);
    },

    //顯示提示框
    show: function() {
        var divTop = parseInt(this.eMsg.style.top, 10);
        this.divTop = divTop;
        var divLeft = parseInt(this.eMsg.style.left, 10);

        var divHeight = parseInt(this.eMsg.offsetHeight, 10);
        this.divHeight = divHeight;

        var divWidth = parseInt(this.eMsg.offsetWidth, 10);
        var docWidth = document.body.clientWidth;
        var docHeight = document.body.clientHeight;
        this.docHeight = docHeight;

        this.eMsg.style.top = parseInt(document.body.scrollTop, 10) + docHeight + 10;
        this.eMsg.style.left = parseInt(document.body.scrollLeft, 10) + docWidth - divWidth;
        this.eMsg.style.visibility = "visible";

        var _this = this;
        this.objTimer = window.setInterval(function() { _this.moveDiv(_this); }, 10);
    }
}

var msgTip = new messageTip({ name: 'eMeng' });
window.onload = function() { msgTip.show(); };
window.onresize = function() { msgTip.rePosition(msgTip); };

希望本文所述對(duì)大家的web程序設(shè)計(jì)有所幫助。

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