div代码
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<!-- 修改个人信息失败弹出div -->
??? <div class="puw" display: none;"
??? ??? id="editUserFail" align="center">
??? ??? <div class="puw_title">
??? ??? ??? <div class="puw_title_bt">修改个人信息</div>
??? ??? ??? <div class="puw_close"></div>
??? ??? </div>
??? ??? <div class="puw_part">
??? ??? ??? <div class="puw_icon">
??? ??? ??? ??? <img src="${ path}/images/delete.png" />
??? ??? ??? </div>
??? ??? ??? <div class="puw_text">修改失败</div>
??? ??? ??? <div class="puw_btn">
??? ??? ??? ??? <a href="javascript:" onclick="closeDiv('editUserFail');"
??? ??? ??? ??? ??? class="btn">确定</a>
??? ??? ??? </div>
??? ??? </div>
??? </div>
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js代码
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第一种实现：
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var editUserFailId = $("#editUserFail");
editUserFailId.show().css({"zIndex":"150","position":"absolute"});
center(editUserFailId);
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function center(divId){
??? ??? var windowWidth = document.documentElement.clientWidth;
??? ??? //alert('窗口宽： '+windowWidth);
??? ??? var windowHeight = document.documentElement.clientHeight;
??? ??? //alert('窗口高： '+windowHeight);
??? ??? var popupHeight = $(divId).height();
??? ??? //alert('div高： '+popupHeight);
??? ??? var popupWidth = $(divId).width();
??? ???
??? ??? //alert('div宽： '+popupWidth);
??? ???
??? ??? $(divId).css({
??? ??? ??? 'top':(windowHeight - popupHeight - 270)/2+$(document).scrollTop()+80,
??? ??? ??? 'left':(windowWidth - popupWidth)/2-45
??? ??? });
??? }
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?第二种实现?? 这种是看jquery的jAlert插件的源码
var top = (($(window).height() / 2) - ($("#editUserFail")
??? ??? ??? ??? ??? .outerHeight() / 2))
??? ??? ??? ??? ??? + $.alerts.verticalOffset;
??? ??? ??? var left = (($(window).width() / 2) - ($("#editUserFail")
??? ??? ??? ??? ??? .outerWidth() / 2))
??? ??? ??? ??? ??? + $.alerts.horizontalOffset;
??? ??? ??? if (top < 0)
??? ??? ??? ??? top = 0;
??? ??? ??? if (left < 0)
??? ??? ??? ??? left = 0;
??? ??? ??? // 如果是在IE6或为火狐浏览器下
??? ??? ??? //if ($.browser.msie && parseInt($.browser.version) <= 6)
??? ??? ??? ??? //top = top + $(window).scrollTop();
??? ??? ??? $("#editUserFail").css({
??? ??? ??? ??? top : top + 'px',
??? ??? ??? ??? left : left + 'px'
??? ??? ??? });
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第三种实现：
document.getElementById("editUserFail").style.top=(document.documentElement.scrollTop+
(document.documentElement.clientHeight-document.getElementById("editUserFail").offsetHeight)/2)+"px";
document.getElementById("editUserFail").style.left=(document.documentElement.scrollLeft+(document.documentElement.clientWidth-document.getElementById("editUserFail").offsetWidth)/2)+"px";
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