ajax 传递实体和数组 ,和后台返回list

1.ajax 传递实体和数组

前台:

1.1定义实体

var pCodeANdCount={p_code:"",count:"0" ,store_code:"",batch_num:""};

赋值:pCodeANdCount[p_code]="SP001"

1.2定义数组

var pCodeANdCountList=new Array();

赋值

for (var i=0; i<100; i++){

var p={p_code:"aA",count:"0" ,store_code:"BB",batch_num:"2018-01-0"}

pCodeANdCountList[i]=p;

}

转字符:

var salesMxList=JSON.stringify(pCodeANdCountList);

传递

data:{ pCodeANdCount:pCodeANdCountsalesMxList:salesMxList,}

后台:

接收是字符串;

Gson gson = new Gson();

List<SaleBillingMingxi> pList = new ArrayList<>();

pList = gson.fromJson(priceList,

new TypeToken<ArrayList<SaleBillingMingxi>>() {

}.getType());

 

SaleBilling sale = new SaleBilling();

sale = gson.fromJson(saleBilling, new TypeToken<SaleBilling>() {

}.getType());

错误实例

var pCodeANdCountList={p_code:"",count:"0" ,store_code:"",batch_num:""};

赋值:

for (var i=0; i<100; i++){

var p={p_code:"aA",count:"0" ,store_code:"BB",batch_num:"2018-01-0"}

pCodeANdCountList[i]=p;

}

后台打印错误: This is not a JSON Array.

打印字符:

{"0":{"p_code":"CP001","count":"1.00","store_code":"ZG001","batch_num":"2017-01-01"},"p_code":"","count":"0","store_code":"","batch_num":""}

正确:[{"p_code":"cc2","count":"1.00","store_code":"ZG001","batch_num":"2017-01-01"}]

2. 后台 返回一个 list:  SpringMVC的返回实例

@ResponseBody @RequestMapping("getProductData") public String getProductData(String store_code){ List<List<Product>> list = new ArrayList<List<Product>>(); List<Product> custData = orderDao.getProductData(getGroupCode(),store_code); list.add(custData); return JSON.toJSONString(list); }