jQuery实现对图片大小缩放，具体代码如下：

$(window).bind("load", function() {

// IMAGE RESIZE

$('#product_cat_list img').each(function() {

var maxWidth = 120;

var maxHeight = 120;

var ratio = 0;

var width = $(this).width();

var height = $(this).height();

if(width > maxWidth){

ratio = maxWidth / width;

$(this).css("width", maxWidth);

$(this).css("height", height * ratio);

height = height * ratio;

}

var width = $(this).width();

var height = $(this).height();

if(height > maxHeight){

ratio = maxHeight / height;

$(this).css("height", maxHeight);

$(this).css("width", width * ratio);

width = width * ratio;

}

});

//$("#contentpage img").show();

// IMAGE RESIZE

});

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