Js浮動框

一.在需要加入浮動框的頁面中加入如下css代碼:

<!-- 浮動窗口樣式css begin -->
<style type="text/css">
#msg_win {
    border: 1px solid #A67901;
    background: #EAEAEA;
    width: 240px;
    position: absolute;
    right: 0;
    font-size: 12px;
    font-family: Arial;
    margin: 0px;
    display: none;
    overflow: hidden;
    z-index: 99;
}
#msg_win .icos {
    position: absolute;
    top: 2px;
    *top: 0px;
    right: 2px;
    z-index: 9;
}
.icos a {
    float: left;
    color: #833B02;
    margin: 1px;
    text-align: center;
    font-weight: bold;
    width: 14px;
    height: 22px;
    line-height: 22px;
    padding: 1px;
    text-decoration: none;
    font-family: webdings;
}
.icos a:hover {
    color: #fff;
}
#msg_title {
    background: #BBDEF6;
    border-bottom: 1px solid #A67901;
    border-top: 1px solid #FFF;
    border-left: 1px solid #FFF;
    color: #000;
    height: 25px;
    line-height: 25px;
    text-indent: 5px;
}
#msg_content {
    margin: 5px;
    margin-right: 0;
    width: 230px;
    height: 126px;
    overflow: hidden;
}
</style>
<!-- 浮動窗口樣式css end -->

二.js代碼(註意:該代碼要添加整個頁面最後,目的是頁面加載完成時加載它)

<!-- 浮動窗口js,必須要放置到最後  begin-->
<script type="text/javascript">
var Message={
    set: function() {//最小化與恢復狀態切換
        var set=this.minbtn.status == 1?[0,1,'block',this.char[0],'最小化']:[1,0,'none',this.char[1],'展開'];
        this.minbtn.status=set[0];
        this.win.style.borderBottomWidth=set[1];
        this.content.style.display =set[2];
        this.minbtn.innerHTML =set[3]
        this.minbtn.title = set[4];
        this.win.style.top = this.getY().top;
    },
    close: function() {//關閉
        this.win.style.display = 'none';
        window.onscroll = null;
    },
    setOpacity: function(x) {//設置透明度
        var v = x >= 100 ? '': 'Alpha(opacity=' + x + ')';
        this.win.style.visibility = x<=0?'hidden':'visible';//IE有絕對或相對定位內容不隨父透明度變化的bug
        this.win.style.filter = v;
        this.win.style.opacity = x / 100;
    },
    show: function() {//漸顯
        clearInterval(this.timer2);
        var me = this,fx = this.fx(0, 100, 0.1),t = 0;
        this.timer2 = setInterval(function() {
            t = fx();
            me.setOpacity(t[0]);
            if (t[1] == 0) {clearInterval(me.timer2) }
        },10);
    },
    fx: function(a, b, c) {//緩沖計算
        var cMath = Math[(a - b) > 0 ? "floor": "ceil"],c = c || 0.1;
        return function() {return [a += cMath((b - a) * c), a - b]}
    },
    getY: function() {//計算移動坐標
        var d = document,b = document.body, e = document.documentElement;
        var s = Math.max(b.scrollTop, e.scrollTop);
        var h = /BackCompat/i.test(document.compatMode)?b.clientHeight:e.clientHeight;
        var h2 = this.win.offsetHeight;
        return {foot: s + h + h2 + 2+'px',top: s + h - h2 - 2+'px'}
    },
    moveTo: function(y) {//移動動畫
        clearInterval(this.timer);
        var me = this,a = parseInt(this.win.style.top)||0;
        var fx = this.fx(a, parseInt(y));
        var t = 0 ;
        this.timer = setInterval(function() {
            t = fx();
            me.win.style.top = t[0]+'px';
            if (t[1] == 0) {
                clearInterval(me.timer);
                me.bind();
            }
        },10);
    },
    bind:function (){//綁定窗口滾動條與大小變化事件
        var me=this,st,rt;
        window.onscroll = function() {
            clearTimeout(st);
            clearTimeout(me.timer2);
            me.setOpacity(0);
            st = setTimeout(function() {
            me.win.style.top = me.getY().top;
            me.show();
            },600);
        };
        window.onresize = function (){
            clearTimeout(rt);
            rt = setTimeout(function() {me.win.style.top = me.getY().top},100);
        }
    },
    init: function() {//創建HTML
        function $(id) {return document.getElementById(id)};
        this.win=$('msg_win');
        var set={minbtn: 'msg_min',closebtn: 'msg_close',title: 'msg_title',content: 'msg_content'};
        for (var Id in set) {this[Id] = $(set[Id])};
        var me = this;
        this.minbtn.onclick = function() {me.set();this.blur()};
        this.closebtn.onclick = function() {me.close()};
        this.char=navigator.userAgent.toLowerCase().indexOf('firefox')+1?['_','::','×']:['0','2','r'];//FF不支持webdings字體
        this.minbtn.innerHTML=this.char[0];
        this.closebtn.innerHTML=this.char[2];
        setTimeout(function() {//初始化最先位置
            me.win.style.display = 'block';
            me.win.style.top = me.getY().foot;
            me.moveTo(me.getY().top);
        },0);
        return this;
    }
};
Message.init();
</script>
<!-- 浮動窗口js end-->

三.html代碼(註意:該代碼要放置到body的最後)

<!-- 浮動窗口html代碼 begin -->
<hr>
<p id="msg_win">
  <p class="icos">
    <a id="msg_min" title="最小化" href="javascript:void 0">_</a><a id="msg_close" title="關閉" href="javascript:void 0">×</a>
  </p>
  <p id="msg_title">設備運行情況--></p>
  <p id="msg_content">
    ${commonMsg.devRun } 
  </p>
</p>
<!-- 浮動窗口html代碼 end -->

設備運行情況–>

${commonMsg.devRun }

#msg_win {
border: 1px solid #A67901;
background: #EAEAEA;
width: 240px;
position: absolute;
right: 0;
font-size: 12px;
font-family: Arial;
margin: 0px;
display: none;
overflow: hidden;
z-index: 99;
}
#msg_win .icos {
position: absolute;
top: 2px;
*top: 0px;
right: 2px;
z-index: 9;
}
.icos a {
float: left;
color: #833B02;
margin: 1px;
text-align: center;
font-weight: bold;
width: 14px;
height: 22px;
line-height: 22px;
padding: 1px;
text-decoration: none;
font-family: webdings;
}
.icos a:hover {
color: #fff;
}
#msg_title {
background: #BBDEF6;
border-bottom: 1px solid #A67901;
border-top: 1px solid #FFF;
border-left: 1px solid #FFF;
color: #000;
height: 25px;
line-height: 25px;
text-indent: 5px;
}
#msg_content {
margin: 5px;
margin-right: 0;
width: 230px;
height: 126px;
overflow: hidden;
}

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