话不多说，请看代码：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title> jquery把获取到的input值转换成json</title> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <link type="text/css" href="" /> <style type="text/css"> .box{width:500px;height:500px;border:1px solid #e5e5e5;} </style> <script type="text/javascript" src="https://www.jb51.net/jquery-1.7.1.min.js"></script> </head> <body> <div> 姓名：<input type="text" value="" /> <br/><br/> 年龄：<input type="text" value="" /> <br/><br/> 生日：<input type="text" value="" /> <br/><br/> 城市：<input type="text" value="" /> <br/><br/> 省份：<input type="text" value="" /> <br/><br/> 性别：<input type="text" value="" /> <br/><br/> <input type="button" value="提交"> </div> <script type="text/javascript"> $(document).ready(function(){ $(".comment").click(function(){ parArr = {}; var username = $('input[name=username]').val().replace(/(^\s*)|(\s*$)/g, ""); parArr.username = username; var age = $('input[name=age]').val().replace(/(^\s*)|(\s*$)/g, ""); parArr.age = age; var birth = $('input[name=birth]').val().replace(/(^\s*)|(\s*$)/g, ""); parArr.birth = birth; var city = $('input[name=city]').val().replace(/(^\s*)|(\s*$)/g, ""); parArr.city = city; var provicen = $('input[name=provicen]').val().replace(/(^\s*)|(\s*$)/g, ""); parArr.provicen = provicen; var sex = $('input[name=sex]').val().replace(/(^\s*)|(\s*$)/g, ""); parArr.sex = sex; var params = JSON.stringify(parArr); alert(params); }); }); </script> </body> </html>