//图片放大
$.fn.ImgZoomIn = function () {
var WT =document.body.clientWidth;
bgstr = '<div id="ImgZoomInBG" style=" background:#000000; filter:Alpha(Opacity=70); opacity:0.7; position:fixed; left:0; top:0; z-index:10000; width:100%; height:100%; display:none;"><iframe src="about:blank" frameborder="5px" scrolling="yes" style="width:100%; height:100%;"></iframe></div>';
imgstr = '<img id="ImgZoomInImage" src="' + $(this).attr('src')+'" οnclick=$(\'#ImgZoomInImage\').hide();$(\'#ImgZoomInBG\').hide(); style=" display:none; position:absolute; z-index:10001;" />';
if ($('#ImgZoomInBG').length < 1) {
$('body').append(bgstr);
}
if ($('#ImgZoomInImage').length < 1) {
$('body').append(imgstr);
}
else {
$('#ImgZoomInImage').attr('src', $(this).attr('src'));
}
$('#ImgZoomInImage').css(
{width:WT}
)
$('#ImgZoomInImage').css('left', $(window).scrollLeft() + ($(window).width() - $('#ImgZoomInImage').width()) / 2);
$('#ImgZoomInImage').css('top', $(window).scrollTop() + ($(window).height() - $('#ImgZoomInImage').height()) / 2);
$('#ImgZoomInBG').show();
$('#ImgZoomInImage').show();
};
$(document).ready(function () {
$("#imgTest").bind("click", function () {
$(this).ImgZoomIn();
});
});
<img src="images/grxq_3.jpg" onClick="$(this).ImgZoomIn();"/>
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