自定义一个页面弹出框

来源：互联网发布：恩牛网络怎么样编辑：程序博客网时间：2024/05/19 22:24
相应的一些改动可以自己设置。
<script>window.alert = function(str)          {           var shield = document.createElement("DIV");           shield.id = "shield";           shield.style.position = "absolute";           shield.style.left = "0px";           shield.style.top = "0px";           shield.style.width = "100%";           shield.style.height = document.body.scrollHeight+"px";   shield.style.height = "100%";           //弹出对话框时的背景颜色           shield.style.background = "#000";           shield.style.textAlign = "center";           shield.style.zIndex = "25"; shield.style.opacity = "0.5";            //背景透明 IE有效           //shield.style.filter = "alpha(opacity=0)";           var alertFram = document.createElement("DIV");           alertFram.id="alertFram";           alertFram.style.position = "absolute";           alertFram.style.left = "50%";           alertFram.style.top = "50%";           alertFram.style.marginLeft = "-225px";           alertFram.style.marginTop = "-75px";           alertFram.style.width = "350px";           alertFram.style.height = "150px";           alertFram.style.background = "#ff0000";           alertFram.style.textAlign = "center";           alertFram.style.lineHeight = "150px";           alertFram.style.zIndex = "300";           strHtml = "<ul style=\"list-style:none;margin:0px;padding:0px;width:100%\">\n";           strHtml += " <li style=\"background:#f1f1f1;text-align:left;padding-left:20px;font-size:14px;font-weight:bold;height:40px;color:#000;line-height:40px;border:0;border-bottom:1px solid #ccc; \">提示</li>\n";           strHtml += " <li style=\"background:#fff;text-align:center;font-size:15px;height:100px;line-height:100px;border:1px solid #fff;border-bottom:0;\">"+str+"</li>\n";           strHtml += " <li style=\"background:#fff;text-align:center;font-weight:bold;height:55px;line-height:25px; border:1px solid #fff;border-top:0;\"><input type=\"button\" value=\"确 定\" onclick=\"doOk()\"  style=\"border:0;background:#7ac0f1;color:#fff;width:100px;height:36px;border-radius:5px;  \"  /></li>\n";           strHtml += "</ul>\n";           alertFram.innerHTML = strHtml;           document.body.appendChild(alertFram);           document.body.appendChild(shield);           this.doOk = function(){               alertFram.style.display = "none";               shield.style.display = "none";           }           alertFram.focus();           document.body.onselectstart = function(){return false;};          }      </script>
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