http://jsfiddle.net/sxGtM/3/
http://stackoverflow.com/questions/1184624/convert-form-data-to-js-object-with-jquery
/*把表单转成json,并且name为key,value为值*/
$.fn.serializeObject = function()
{
var o = {};
var a = this.serializeArray();
$.each(a, function() {
if (o[this.name] !== undefined){
if (!o[this.name].push) {
o[this.name] = [o[this.name]];
}
o[this.name].push(this.value || ‘‘);
} else {
o[this.name] = this.value || ‘‘;
}
});
原文：http://www.cnblogs.com/pangguoming/p/7048275.html