JS 列印介面 CSS置中試用所有瀏覽器

來源:互聯網
上載者:User

   function preview(oper) {
            if (oper < 10) {
                bdhtml = window.document.body.innerHTML;//擷取當前頁的html代碼
                sprnstr = "<!--startprint" + oper + "-->";//設定列印開始地區
                eprnstr = "<!--endprint" + oper + "-->";//設定列印結束地區
                prnhtml = bdhtml.substring(bdhtml.indexOf(sprnstr) + 18); //從開始代碼向後取html

                prnhtml = prnhtml.substring(0, prnhtml.indexOf(eprnstr));//從結束代碼向前取html
                window.document.body.innerHTML = prnhtml;
                window.print();
                window.document.body.innerHTML = bdhtml;
            } else {
                window.print();
            }

        }

 

 

#outer {
       display:table;
       height:400px;
       #position:relative;
       overflow:hidden;
}
#middle {
       display:table-cell;
       vertical-align:middle;
       #position:absolute;
       #top:50%;

#inner {
       #position:relative;
       #top:-50%;

 

<div id=”outer”>
    <div id=”middle”>
        <div id=”inner”>
           <!–這裡是要垂直置中的內容–>
        </div>
    </div>
</div> 

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