Javascript创建一个选择文件的弹窗


JavaScript #弹窗 #文件2012-06-16 09:03

JS代码:

//打开弹窗 http://yige.org
     function f_OpenDialog() {
         var sHTML = '<p><input id="txtFile" type="file" /></p>' +
                     '<p><input id="btnYes" type="button" onclick="f_ReadExcel();" value="确定">' +
                     '<button id="btnNo" onclick="window.neatDialog.close();">取消</button></p>';
         new NeatDialog(sHTML, "请选择Excel文档!");
     }    
     //关闭并移除弹窗
     NeatDialog.prototype.close = function () {
         if (this.elt) {
             this.elt.style.display = "none";
             this.elt.parentNode.removeChild(this.elt);
         }
         window.neatDialog = null;
     }
     //创建弹窗
     function NeatDialog(sHTML, sTitle) {
         window.neatDialog = null;
         this.elt = null;
         if (document.createElement && document.getElementById) {
             var dg = document.createElement("div");
             dg.className = "neat-dialog";
 
             if (sTitle)
                 sHTML = '<div class="neat-dialog-title">' + sTitle + '</div>\n' + sHTML;
             dg.innerHTML = sHTML;
             var dbg = document.createElement("div");
             dbg.id = "nd-bdg";
             dbg.className = "neat-dialog-bg";
             var dgc = document.createElement("div");
             dgc.className = "neat-dialog-cont";
             dgc.appendChild(dbg);
             dgc.appendChild(dg);
             if (document.body.offsetLeft > 0) {
                 dgc.style.marginLeft = document.body.offsetLeft + "px";
             }
             document.body.appendChild(dgc);
 
             this.elt = dgc;
             window.neatDialog = this;
         }
     }
CSS代码:

DIV.neat-dialog-cont {
  Z-INDEX: 98; BACKGROUND: none transparent scroll repeat 0% 0%; LEFT: 0px; WIDTH: 100%; POSITION: absolute; TOP: 0px; HEIGHT: 100%
 }
 DIV.neat-dialog-bg {
  Z-INDEX: -1; FILTER: alpha(opacity=70); LEFT: 0px; WIDTH: 100%; POSITION: absolute; TOP: 0px; HEIGHT: 100%; BACKGROUND-COLOR: #eee; opacity: 0.7;
 }
 DIV.neat-dialog {
  BORDER-RIGHT: #555 1px solid; BORDER-TOP: #555 1px solid; Z-INDEX: 99; MARGIN-LEFT: 35%; BORDER-LEFT: #555 1px solid; WIDTH: 300px; MARGIN-RIGHT: auto;   
 
 BORDER-BOTTOM: #555 1px solid; POSITION: relative; TOP: 25%; BACKGROUND-COLOR: #fff
 
 }
 DIV.neat-dialog-title {
  PADDING-RIGHT: 0.3em; PADDING-LEFT: 0.3em; FONT-SIZE: 1em; PADDING-BOTTOM: 0.1em; MARGIN: 0px; LINE-HEIGHT: 1.2em; PADDING-TOP: 0.1em; BORDER-BOTTOM: #444 
 
 1px solid; POSITION: relative;background: #36C;color:White;
 }
 
 DIV.neat-dialog P {
  PADDING-RIGHT: 0.2em; PADDING-LEFT: 0.2em; PADDING-BOTTOM: 0.2em; PADDING-TOP: 0.2em; TEXT-ALIGN: center
 }
效果:



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