Android Volley将Array和String一起作为参数发送 [英] Android Volley send Array as a param along with String

问题描述

我正在使用 Volley 将数据发送到服务器，在这里无法找到在单个请求中一次发送String和Array的方法.

I am using Volley to send data to the server, Here I am unable to find the way to send both String and Array at a time in a single request.

我可以像这样发送数组:

I can send the array like:

Map<String, List<String>> jsonParams = new HashMap<>();
jsonParams.put("names", my_names_list);

我也可以像这样发送String:

And also I can send String like:

Map<String, String> jsonParams = new HashMap<>();
jsonParams.put("user_id", userId);

但是如何一次发送两者?

but how to send both at a time?

喜欢:

Map<String, String> jsonParams = new HashMap<>();
jsonParams.put("user_id", userId);
jsonParams.put("names", my_names_list); // here it is expecting String but I want to send array of strings to server

预期的JSON请求应类似于:

the expected JSON request should be like:

{
"user_id": "1",
"names" : ["abc, "cdf", "efg"]
}

推荐答案

我认为您可以将字符串和数组合并为单个json，然后将json发送到服务器.示例

I think you can merge the string and array into a single json and then send the json to the server.Example

public class Member
{ 
  private String name;
  private List<String> skills;

  //getter and setter at lower
}

使用GSON库将该模型类制作为json.

Use the GSON library for make this model class to json.

Member mem = createjsonobject();
Gson gson=new Gson();
String json=gson.toJson(mem);

//Pass this json to the server and at server side you can seperate the string and array  

private static Member createjsonObject()
{
  Member member= new Member();
  member.setName("Rishabh");

  List<String> skill=new ArrayList<>();
  skill.add("Java");
  skill.add("C#");
  skill.add("Android");

  member.setSkills(skill);
  return member;   

}

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