原因:
前端传递的数组过于复杂,倒是出现这种问题,前端采用vue axios,发送请求,后端java接收代码,实现前后端分离
后端就收fastjson接收json,进行业务处理,后端Controller状况:
/**
*
* <p>
* <p>添加订单
*
* @return Object
*/
@ResponseBody
@RequestMapping(value = "/addOrder", //
method = RequestMethod.POST)
public Object addOrder(@RequestBody BaseSingleList baseSingleList) { return orderService.addOrder(baseSingleList); }
前端发送json样式
{
"singleOrderList":[
{
"orderName":"唐1",
"orderPhone":"13245124512",
"contact":"送",
"telephony":"7845120231111",
"provinceId":31,
"cityId":3101,
"regionId":310108,
"address":"默认添加唐",
"userId":"c6f53705451b497580ef093c0ff5",
"serieId":"1",
"trueTime":"2018-04-27",
"overTime":"2019-04-27",
"monthlyRent":6000,
"dateCount":12,
"packageId":"3e449fb4b4a489fce1475c4577fb6",
"applicationArea":"ssswww",
"total":"219000",
"ModularIdNum":[
{
"itemId":"9b744dc99e2904d96ab1af5",
"modularNum":3
}
]
},
{
"orderName":"唐1",
"orderPhone":"13245124512",
"contact":"送",
"telephony":"7845120231111",
"provinceId":31,
"cityId":3101,
"regionId":310108,
"address":"默认添加唐",
"userId":"b4f13b97580ef093c0ff5",
"serieId":"1",
"trueTime":"2018-04-27",
"overTime":"2019-04-27",
"monthlyRent":6000,
"dateCount":12,
"packageId":"3b4b4a489fce1475c4577fb6",
"applicationArea":"ssswww",
"total":"219000",
"ModularIdNum":[
{
"itemId":"09932da9b744dc99e295",
"modularNum":3
}
]
}
]
}
解决方案:
controller正常传入数据,在serviceImpl层中对数据进行分解和重新发送业务逻辑:
(1)当数据传入是JsonObject,用如下方法传递
/**
* 下订单
*
* @param baseSingleList
* @return Object
*/
@Override
public Object addOrder(BaseSingleList baseSingleList) { String lineArray = JSONArray.toJSONString(baseSingleList);
HashMap parseMap = JSON.parseObject(lineArray,HashMap.class); List<SingleOrder> singleOrderList = JSON.parseArray(JSON.parseObject(lineArray).getString("singleOrderList"),SingleOrder.class); for(SingleOrder singleOrder : singleOrderList){ System.out.println(singleOrder.getUserId());
}
}
(2)当数据传入是Map时
/**
* 下订单
*
* @param baseSingleList
* @return Object
*/
@Override
public Object addOrder(BaseSingleList baseSingleList) { Map<String, Object> map = new HashMap<String, Object>();
map.put("count", 2);
map.put("studentList", baseSingleList);
String json = JSON.toJSONString(map, true); HashMap parseMap = JSON.parseObject(json, HashMap.class);
List<BaseSingleList> studentList1 = (List<BaseSingleList>) parseMap.get("baseSingleList"); for (SingleOrder singleOrder : singleOrderList) { System.out.println(singleOrder.getUserId());
} }
参考文献 :
https://blog.csdn.net/jeffleo/article/details/73612224