ziqim/Yangcai365_web/manage/zview/showLargeImg.zml

<script>
Z.onload(function()
{
    var img = document.getElementById("bigimg");
    //Z.EL.set(img, "src", "258969-0-endFile")
    
    var windowW = window.screen.width;//获取当前窗口宽度
    var windowH = window.screen.height;//获取当前窗口高度
    
    var realWidth = img.width;//获取图片真实宽度
    var realHeight = img.height;//获取图片真实高度
    var imgWidth, imgHeight;
    var scale = 0.8;//缩放尺寸，当图片真实宽度和高度大于窗口宽度和高度时进行缩放

    if (realHeight>windowH*scale) 
    {//判断图片高度
        imgHeight = windowH*scale;//如大于窗口高度，图片高度进行缩放
        imgWidth = imgHeight/realHeight*realWidth;//等比例缩放宽度
        if (imgWidth>windowW*scale) 
        {//如宽度扔大于窗口宽度
            imgWidth = windowW*scale;//再对宽度进行缩放
        }
    } else if (realWidth>windowW*scale) 
    {//如图片高度合适，判断图片宽度
        imgWidth = windowW*scale;//如大于窗口宽度，图片宽度进行缩放
        imgHeight = imgWidth/realWidth*realHeight;//等比例缩放高度
    } else 
    {//如果图片真实高度和宽度都符合要求，高宽不变
        imgWidth = realWidth;
        imgHeight = realHeight;
    }
    //img.setAttribute(imgWidth);
});

function closeDialog()
{
    parent.Z.Dialog.close();
}
</script>
<div class="z-pointer" style="" onclick="parent.Z.Dialog.close();" >
<div class="z-text-center z-mg-t20 z-mg-b20">
    <img class="z-pointer" id="bigimg" style="vertical-align:middle;border:2px solid #fff;width:auto;height:auto" src="${imgpath}" />
</div>
</div>