JavaScript控制固定边框,图片全部展示

复制代码
        function fiximg(wimg,maxwidth,maxheight){
            var rwidth = wimg.width;
            console.log(wimg);
            var rheight = wimg.height;
            if(rwidth<=maxwidth&&rheight<=maxheight){
                wimg.width = rwidth;
                wimg.height = rheight;
            }else {
                if(rwidth/rheight<maxwidth/maxheight){
                    wimg.height = maxheight;
                    wimg.width = wimg.width*maxheight/wimg.height;
                }else{
                    wimg.width = maxwidth;
                    wimg.height = wimg.height*maxwidth/wimg.width;
                }
            }
        }
        window.onload = function(){
            var xx = document.getElementById('cimg');
            fiximg(xx,400,400);
        }
复制代码

JavaScript控制固定边框,图片全部展示

posted on   longlongcheng  阅读(237)  评论(0编辑  收藏  举报

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