<div class="col-lg-6"> 
 <section class="panel" style="height:600px"> 
  <header class="panel-heading"> 
   JSON数据 
  </header> 
  <div class="panel-body" style="height:580px;overflow:auto"> 
   <input type="hidden" name="json_data" id="json_data" value="{{ json_data }}"/> 
   <button id="collapse-btn">折叠</button> 
   <button id="expand-btn">展开</button> 
   <button id="save-btn">保存</button> 
   <div id="json"></div> 
  </div> 
 </section> 
</div> 

<script type="text/javascript"> 
 var raw_json = $("#json_data").val(); 
 var json = JSON.parse(raw_json); 
 $(function() { 
  $("#json").JSONView(json); 
 
  $("#json-collapsed").JSONView(json, {collapsed: true, nl2br: true}); 
 
  $('#collapse-btn').on('click', function() { 
  $('#json').JSONView('collapse'); 
  }); 
 
  $('#expand-btn').on('click', function() { 
  $('#json').JSONView('expand'); 
  }); 
 }); 
</script>