Question

我是新手使用Retrofit并从Retrofit 2.1.0开始。我得到200止，但在我的call.enqueue总是运行onFailure()，逻辑上它必须运行onResponse()。我真的不知道为什么，并搜索相同的问题，但他们的解释不能解决我的问题。有人可以挽救我的一天......？

我有一个带有API

的数据库的POST

@FormUrlEncoded
@POST("/api/v1/meetups/")
Call<Result<Meeting>> createMeeting(@Field("name") String name,
                                    @Field("date_start") String date_start,
                                    @Field("date_ended") String date_ended,
                                    @Field("location") String location,
                                    @Field("latitude") Double latitude,
                                    @Field("longitude") Double longitude,
                                    @Field("points") Integer points,
                                    @Field("member_ids") String member_ids);

这就是我在我的活动中运行的方式

Call<Result<Meeting>> call = mClient.createMeeting(meeting.getName(), meeting.getDate_start(), meeting.getDate_ended(),
            meeting.getLocation(), meeting.getLatitude(), meeting.getLongitude(), meeting.getPoints(), meeting.getMember_ids());
    Log.e("URL",String.valueOf(call.request().hashCode()));
    call.enqueue(new Callback<Result<Meeting>>() {
        @Override
        public void onResponse(Call<Result<Meeting>> call, Response<Result<Meeting>> response) {
            Log.e("Response Code", String.valueOf(response.code()));
            if (response.isSuccessful()) {
                Log.e("Meeting ", "Dibuat");
                Toast.makeText(getApplicationContext(), "Meeting Created", Toast.LENGTH_SHORT).show();
                Intent i = new Intent(mContext, MainActivity.class);
                mContext.startActivity(i);
                ((Activity) mContext).finish();
            } else {
                Toast.makeText(getApplicationContext(), "Create Meeting Failed", Toast.LENGTH_SHORT).show();
                Toast.makeText(getApplicationContext(), "Response Error: HTTP Code " + String.valueOf(response.code()),
                        Toast.LENGTH_SHORT).show();
                Log.e(TAG + "onResponse", String.valueOf(response.raw().toString()));
            }
        }
        @Override
        public void onFailure(Call<Result<Meeting>> call, Throwable t) {
            Log.e("On Failure", "Working");

        }
    });

这是我的会议模型

public class Meeting {
private String _id;
private String name;
private String date_start;
private String date_ended;
private String status;
private String location;
private String member_ids;
private Double latitude;
private Double longitude;
private Integer points;
private Group group;
private Map<String, Object> additionalProperties = new HashMap<String, Object>();

public String get_id() {
    return _id;
}

public void set_id(String _id) {
    this._id = _id;
}

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}
...
...
}

问题是当我故意在会议中输入错误的属性时，它返回错误代码500并且onResponse()正在运行，给response.isSuccessful() == false和Log.e()输出是＆＃34;创建会议失败＆＃34 ;.但是当我输入正确的属性时，它会在我的数据库中提供200 OK，POST，但onFailure()正在运行并运行Log.e()＆＃34;失败：工作＆＃34;。

Answer 1

这些步骤可能会对您有所帮助：

从服务器中找出响应JSON结构。您可以使用邮递员或卷曲来尝试。

将调用参数调整为响应，例如，如果您的响应如下：

{
    "success": true,
    "data": [
        {
            "_id": "59cb12c0abb4713d6632c6ef",
            "name": "Meeting 1",
            "date_start": "2609-03-10T13:02:40.000Z",
            "date_ended": "2609-03-10T13:03:00.000Z",
            ...
        }
    ]
}

并使用结果的自定义模型，您的通话将是这样的：

Call<Result<List<Meeting>>> call

对于IllegalStateException: Expected BEGIN_OBJECT but was BEGIN_ARRAY的问题，您可以更改以下API代码：

@FormUrlEncoded
@POST("/api/v1/meetups/")
Call<Result<List<Meeting>>> createMeeting(@Field("name") String name, @Field("date_start") String date_start, @Field("date_ended") String date_ended, @Field("location") String location, @Field("latitude") Double latitude, @Field("longitude") Double longitude, @Field("points") Integer points, @Field("member_ids") String member_ids);

你可以像这样使用你的电话：

    Call<Result<List<Meeting>>> call = mClient.createMeeting(meeting.getName(), meeting.getDate_start(), meeting.getDate_ended(), meeting.getLocation(), meeting.getLatitude(), meeting.getLongitude(), meeting.getPoints(), meeting.getMember_ids());
    call.enqueue(new Callback<Result<List<Meeting>>>() {
        @Override
        public void onResponse(Call<Result<List<Meeting>>> call, Response<Result<List<Meeting>>> response) {
            if (response.isSuccessful()) {
                Toast.makeText(getApplicationContext(), "Meeting Dibuat", Toast.LENGTH_SHORT).show();
                Intent i = new Intent(mContext, MainActivity.class);
                mContext.startActivity(i);
                ((Activity) mContext).finish();
            } else {
                Toast.makeText(getApplicationContext(), "Membuat Meeting Gagal", Toast.LENGTH_SHORT).show();
                Toast.makeText(getApplicationContext(), "Response Error: HTTP Code " + String.valueOf(response.code()),
                        Toast.LENGTH_SHORT).show();
                Log.e(TAG + "onResponse", String.valueOf(response.raw().toString()));
            }
        }
        @Override
        public void onFailure(Call<Result<List<Meeting>>> call, Throwable t) {
            Log.e("On Failure", t.getMessage());

        }
    });

请注意，您必须将Result<Meeting>更改为Result<List<Meeting>>

改装2.1.0 onFailure（）调用200 OK

1 个答案: