ajax从JSP传递对象数组到后台的方法

function addAccount(){
	debugger;
	var html = '';
	var ary = $("#match_account").find("p");
	var _list = new Array();
	
	if(ary.length){
	for(var i = 0,len = ary.length;i < len;i ++){
	var account = new Object();
	html += '<li class="fl mb8" data-id="'+ary[i].id+'" data-sort="0">';
	html += '<span class="mr8 display-ib" style="background:#eee;padding:0px 5px 6px 5px">';
	html += '<span data-id="">'+ary[i].innerHTML+'</span>';
	html += '<a onclick="deleteAccount(this);" href="javascript:;" rel="external nofollow" class="js-btn-remove-tag ml4" style="vertical-align:5px;color:#999;" title="删除">x</a>';
	html += '</span>';
	html += '</li>';
	
	account.accountId = ary[i].id; 
	account.account = ary[i].innerHTML; 
	_list.push(account);
	}
	
	$.ajax({
	type: "post",
	url: "${ctx}/companyAccount/addContributeAccounts",
	data : {list : JSON.stringify(_list)},
	async: false,
	success: function (json) {
	var result = json.obj.result;
	if(result != 1){
	layer.error('添加账号失败.');
	}
	}
	});
	}
	
	$("#contribute_account").append(html);
	}

var _list = new Array();

var account = new Object();

account.accountId = ary[i].id; 
account.account = ary[i].innerHTML; 
_list.push(account);

data : {list : JSON.stringify(_list)}

/**
	 * 添加投稿账号
	 */
	@RequestMapping(value = "addContributeAccounts")
	@ResponseBody
	public JsonResult addContributeAccounts(String list) {
	JSONArray ary = JSONArray.fromObject(list);
	if(ary != null && ary.size() > 0){
	List<RegionContributeAccount> accountList = (List<RegionContributeAccount>)JSONArray.toCollection(ary, 
	RegionContributeAccount.class);
	for(RegionContributeAccount account : accountList){
	companyAccountService.insertContributeAccount(account);
	}
	}
	
	Map<String, Object> obj = new HashMap<String, Object>();
	
	obj.put("result", 1);
	
	return JsonResult.success(obj);
	}

JSONArray ary = JSONArray.fromObject(list);

List<RegionContributeAccount> accountList = (List<RegionContributeAccount>)JSONArray.toCollection(ary, 
 RegionContributeAccount.class);