摘要：
//等比例缩小图片function changeImg(obj,width,height) { var img = new Image(); img.src = document.getElementById(obj.id).src var ys_w = img.width; var ys_h = img.height; if(ys_w > width || ys_h > height) { var scale; var scale1 = ys_w / width; var scale2 = ys_h / height; //alert(scale1+","+s 阅读全文
