$.ajax({
url: url,
type: "post",
dataType: "json",
traditional :true,//阻止jq的深度序列化
data: {traceListInfo:JSON.stringify(traceListInfo)},//jsonarr數組作為參數傳后台需要轉化為json字符串
}
后台接受json字符串轉數組
JSONArray myJsonArray = JSONArray.parseArray(traceListInfo);
json數組遍歷取值
Iterator<Object> it = ja.iterator();
while (it.hasNext()) {
JSONObject ob = (JSONObject) it.next();
value=ob.getString("num");
}