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图片缩小后按原来的比例显示

技术2022-05-11  0

<html><body><script>function zoom(it){if(it.height>300||it.width>300)it.style.zoom=300/(it.height>it.width?it.height:it.width);}</script><img οnlοad="zoom(this);" src="upfile/images/2006-04/2006411652316084.jpg" οnclick="this.style.zoom==1?zoom(this):this.style.zoom=1" /><br /><img οnlοad="zoom(this);" src="upfile/images/2006-04/2006411652316084.jpg" οnclick="this.style.zoom==1?zoom(this):this.style.zoom=1" /></body></html>

另外一种:

<IMG SRC="logo.gif" border=0 alt="按此在新窗口浏览图片"  οnmοuseοver="javascript:if(this.width>520)this.width=520;" style="CURSOR: hand" οnlοad="javascript:if(this.width>520)this.width=520;"οnerrοr='javascript:this.src="images/face/error.gif"'>

 

还有一种

<script language="JavaScript"> <!-- //图片按比例缩放 var flag=false; function DrawImage(ImgD,iwidth,iheight){  var image=new Image();  //var iwidth = 80;  //定义允许图片宽度  //var iheight = 80;  //定义允许图片高度  image.src=ImgD.src;  if(image.width>0 && image.height>0){  flag=true;  if(image.width/image.height>= iwidth/iheight){   if(image.width>iwidth){     ImgD.width=iwidth;   ImgD.height=(image.height*iwidth)/image.width;   }else{   ImgD.width=image.width;     ImgD.height=image.height;   }   ImgD.alt=image.width+"×"+image.height;   }  else{   if(image.height>iheight){     ImgD.height=iheight;   ImgD.width=(image.width*iheight)/image.height;     }else{   ImgD.width=image.width;     ImgD.height=image.height;   }   ImgD.alt=image.width+"×"+image.height;   }  } }  //--> </script> <img src=".."  width=260 height=200  onload = "DrawImage(this,260,200)">

width=260 height=200  加上这个,可以让图片按这个大小加载,不会撑大表格


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