draft 的一个jQueyr实现，用于将表单转成JSON格式提交。

用法:

Include the script in your page and any form with an attribute of enctype set to 'application/json' will submit data with a json payload.

<form enctype='application/json'>    <input name='places[0][city]' value='New York City'>    <input type='number' name='places[0][population]' value='8175133'>    <input name='places[1][city]' value='Los Angeles'>    <input type='number' name='places[1][population]' value='3792621'>    <input name='places[2][city]' value='Chicago'>    <input type='number' name='places[2][population]' value='2695598'>  </form>

produces

{    "places": [      {        "city": "New York City",        "population": 8175133      },      {        "city": "Los Angeles",        "population": 3792621      },      {        "city": "Chicago",        "population": 2695598      }    ]  }

To disable json post submission, call $.JSONform.disable().

To enable, $.JSONform.enable().

Call $(formElement).JSONencode() to get a JSON object representing formElement.

项目主页：http://www.open-open.com/lib/view/home/1418008733277