本文实例讲述了jquery+json实现动态商品内容展示的方法。分享给大家供大家参考，具体如下：

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><script type="text/javascript" src="jquery-1.4.4.min.js" mce_src="jquery-1.4.4.min.js"></script><title>Example | xHTML1.0</title><style><!--
div{width:50px;height:50px;float:left;margin:10px; text-align:center;}
.a{font-size:50px;float:left; cursor:pointer;}
.b{font-size:50px;background-color:yellow;float:left; cursor:pointer;}
.border{border:2px solid;}
.bb{}
--></style><style mce_bogus="1">div{width:50px;height:50px;float:left;margin:10px; text-align:center;}
.a{font-size:50px;float:left; cursor:pointer;}
.b{font-size:50px;background-color:yellow;float:left; cursor:pointer;}
.border{border:2px solid;}
.bb{}</style><script type="text/javascript"><!--
$(function () { 
   var _json = {"red":{"small":"10","middle":"15","large":"20","max_large":"25"},"blue":{"small":"33","middle":"35","large":"9","max_large":"30"},"green":{"small":"34","middle":"30","large":"19","max_large":"3"},"orange":{"small":"9","middle":"15","large":"29","max_large":"18"}};
   var _color_value;
   var _size_value;
   var _store_value;
  $("#select_color div").click(function () {
    $("#select_color div").attr("class","/bb");
    $(this).attr("class","border");
    _color_value = $(this).attr("date-value");
    change_span_value()
  });
  $("#select_size div").click(function () {
    $("#select_size div").attr("class","a");
    $(this).attr("class","b");
    _size_value = $(this).attr("date-value");
    change_span_value()
  });
  function change_span_value() {
    var _value = _json[_color_value][_size_value];
    if (_value != undefined) {
      $("#span_store").text(_value+"件");
    }
  }
});
// --></script><div style="width:100%;margin:10px;" id="select_color">
<div style="background-color:red;cursor:pointer;" mce_style="background-color:red;cursor:pointer;" date-value="red">Red</div>
<div style="background-color:blue;cursor:pointer;" mce_style="background-color:blue;cursor:pointer;" date-value="blue">Blue</div>
<div style="background-color:green;cursor:pointer;" mce_style="background-color:green;cursor:pointer;" date-value="green">Green</div>
<div style="background-color:orange;cursor:pointer;" mce_style="background-color:orange;cursor:pointer;" date-value="orange">Orange</div>
</div>
<div style="width:100%;margin:10px;" id="select_size">
<div class="a" date-value="small">S</div>
<div class="b" date-value="middle">M</div>
<div class="a" date-value="large">L</div>
<div class="a" date-value="max_large">XL</div>
</div>
<div style="width:100%;margin:10px;text-align:left;" id="select_store">
库存：（<span id="span_store">1000件</span>）
</div>
<div style="border:2px solid;width:100px;height:100px;background-color:gray"></div>





<p>更多关于jQuery操作json相关内容感兴趣的读者可查看本站专题：《<a target="_blank" href="http://www.jb51.net/Special/294.htm">jQuery操作json数据技巧汇总</a>》</p>
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