C# 生成多层嵌套JSON到数组中(树结构JSON)
DataTable dt = DbHelperSQL.Query(sql).Tables[0];
输出JSON格式为：
var changeinfo = string.Empty;
JavaScriptSerializer js = new JavaScriptSerializer();
List lstoutinfo = new List();
OrderListInfo outinfo = new OrderListInfo();
outinfo.message = 0;
var orderno = string.Empty;
var noxiangdeng = false;
for (var i = 0; i < dt.Rows.Count; i++)
{
switch (Convert.ToInt32(dt.Rows[i]["goodshipstatus"]))
{
case 0:
changeinfo = "等待付款";
break;
case 1:
changeinfo = "订单支付";
break;
case 2:
changeinfo = "订单发货";
break;
case 3:
changeinfo = "退货/退款中订单";
break;
case 4:
changeinfo = "订单完成";
break;
case 5:
changeinfo = "订单取消";
break;
}
//初始化是否重复状态
noxiangdeng = false;
//不相等的订单号执行
if (!dt.Rows[i]["orderno"].ToString().Equals(orderno))
{
outinfo = new OrderListInfo();
outinfo.result = true;
outinfo.ordertime = dt.Rows[i]["ordertime"].ToString();
outinfo.orderno = dt.Rows[i]["orderno"].ToString();
outinfo.orderprice = Convert.ToDecimal(dt.Rows[i]["orderprice"]);
outinfo.orderstatus = Convert.ToChar(dt.Rows[i]["orderstatus"]);
outinfo.expressname = dt.Rows[i]["expressname"].ToString();
outinfo.expresstel = dt.Rows[i]["expresstel"].ToString();
outinfo.expressaddress = dt.Rows[i]["expressaddress"].ToString();
}
else
{ //订单号重复时只记录明细信息
noxiangdeng = true;
outinfo.orderdetails.Add(new OrderDetails()
{
orderid = int.Parse(dt.Rows[i]["ordersid"].ToString()),
goodsid=int.Parse(dt.Rows[i]["goodsid"].ToString()),
goodsimg = dt.Rows[i]["goodsimg"].ToString(),
goodstitle = dt.Rows[i]["goodstitle"].ToString(),
goodsprice = Convert.ToDecimal(dt.Rows[i]["goodsprice"].ToString()),
buysumqty = int.Parse(dt.Rows[i]["buysumqty"].ToString()),
goodshipmode = dt.Rows[i]["goodshipmode"].ToString(),
goodshipstatus = changeinfo,
shopname = dt.Rows[i]["shopname"].ToString(),
shopphone = dt.Rows[i]["shopphone"].ToString()
});
continue;
}
outinfo.orderdetails = new List();
outinfo.orderdetails.Add(new OrderDetails()
{
orderid = int.Parse(dt.Rows[i]["ordersid"].ToString()),
goodsimg = dt.Rows[i]["goodsimg"].ToString(),
goodstitle = dt.Rows[i]["goodstitle"].ToString(),
goodsprice = Convert.ToDecimal(dt.Rows[i]["goodsprice"].ToString()),
buysumqty = int.Parse(dt.Rows[i]["buysumqty"].ToString()),
goodshipmode = dt.Rows[i]["goodshipmode"].ToString(),
goodshipstatus = changeinfo,
shopname = dt.Rows[i]["shopname"].ToString(),
shopphone = dt.Rows[i]["shopphone"].ToString()
});
orderno = dt.Rows[i]["orderno"].ToString();
if (noxiangdeng != true)
{
lstoutinfo.Add(outinfo);
}
}
string json = js.Serialize(lstoutinfo);
Context.Response.Write(json); #region 获取用户订单列表及订单明细用
public class OrderListInfo
{
public bool result { get; set; }
public string ordertime { get; set; }
public string orderno { get; set; }
public decimal orderprice { get; set; }
public char orderstatus { get; set; }
public List orderdetails { get; set; }
public int message { get; set; }
public string expressname { get; set; }
public string expressaddress { get; set; }
public string expresstel { get; set; }
}
public class OrderDetails
{
public int orderid { get; set; }
public int goodsid { get; set; }
public string goodsimg { get; set; }
public string goodstitle { get; set; }
public decimal goodsprice { get; set; }
public int buysumqty { get; set; }
public string goodshipmode { get; set; }
public string goodshipno { get; set; }
public string goodshipstatus { get; set; }
public string shopname { get; set; }
public string shopphone { get; set; }
public string goodscode { get; set; }
public string goodscost { get; set; }
public string goodstock { get; set; }
}
//根据订单号获取用户订单信息
public class OrderDetailsInfo
{
public bool result { get; set; }
public string ordertime { get; set; }
public string orderno { get; set; }
public decimal orderprice { get; set; }
public char orderstatus { get; set; }
public string expressname { get; set; }
public string expressaddress { get; set; }
public string expresstel { get; set; }
public string ordersource { get; set; }
public string paymode { get; set; }
public string paymenttime { get; set; }
public string remark { get; set; }
public List orderdetails { get; set; }
public int message { get; set; }
}
#endregion 输出JSON格式为：
[
{
"result": true,
"ordertime": "2016-08-17",
"orderno": "3333333333333",
"orderprice": 110,
"orderdetails": [
{
"goodsimg": "UpLoadImg/GoodsImage/931be419-e9d3-4dae-ae93-5af619c217d9.jpg",
"goodstitle": "山东特产 山东大枣1000g",
"goodsprice": 99,
"buysumqty": 1,
"goodshipmode": "",
"goodshipno": null,
"goodshipstatus": "订单发货",
"shopname": "两颗牙",
"shopphone": "834613646"
},
{
"goodsimg": "UpLoadImg/GoodsImage/e4766b9f-21be-49f2-b432-312c5dda74da.jpg",
"goodstitle": "周村烧饼",
"goodsprice": 99,
"buysumqty": 3,
"goodshipmode": "",
"goodshipno": null,
"goodshipstatus": "订单发货",
"shopname": "三只松鼠",
"shopphone": "827878787"
}
],
"message": 0
},
{
"result": true,
"ordertime": "2016-08-18",
"orderno": "2185944294790661",
"orderprice": 110,
"orderdetails": [
{
"goodsimg": "UpLoadImg/GoodsImage/931be419-e9d3-4dae-ae93-5af619c217d9.jpg",
"goodstitle": "山东特产 山东大枣1000g",
"goodsprice": 99,
"buysumqty": 3,
"goodshipmode": "顺丰速运",
"goodshipno": null,
"goodshipstatus": "订单发货",
"shopname": "两颗牙",
"shopphone": "834613646"
},
{
"goodsimg": "UpLoadImg/GoodsImage/e4766b9f-21be-49f2-b432-312c5dda74da.jpg",
"goodstitle": "周村烧饼",
"goodsprice": 99,
"buysumqty": 1,
"goodshipmode": "",
"goodshipno": null,
"goodshipstatus": "订单发货",
"shopname": "三只松鼠",
"shopphone": "827878787"
},
{
"goodsimg": "UpLoadImg/GoodsImage/80fce99b-5308-4f7f-889e-e55a1a15c536.jpg",
"goodstitle": "星月菩提108颗 包邮",
"goodsprice": 99,
"buysumqty": 1,
"goodshipmode": "中通速递",
"goodshipno": null,
"goodshipstatus": "订单发货",
"shopname": "两颗牙",
"shopphone": "834613646"
}
],
"message": 0
}
]
参考资料：
http://blog.163.com/hy_85/blog/static/1484587662011465235773/
http://www.jb51.net/article/48027.htm
http://www.cnblogs.com/chendaoyin/p/3601006.html