我正在观看 YouTube 视频学习改造 但现在我被困住了。它向我显示错误“改造预期 begin_array 但在第 1 行第 2 列路径 $ 处是 begin_object” 我正在尝试从此站点获取 json 数据。 http://servicio-monkydevs.rhcloud.com/clientes/
这是我的代码
主 Activity .java
resultadoTextView = (TextView) findViewById(R.id.Resultado);
Retrofit restAdapter = new Retrofit.Builder()
.baseUrl("http://servicio-monkydevs.rhcloud.com")
.addConverterFactory(GsonConverterFactory.create())
.build();
ClienteService service = restAdapter.create(ClienteService.class);
Call<Cliente> call = service.getCliente();
call.enqueue(new Callback<Cliente>() {
@Override
public void onResponse(Call<Cliente> call, Response<Cliente> response) {
if(response.isSuccessful()) {
resultadoTextView.setText(call.toString());
}else{
resultadoTextView.setText("algo paso");
}
}
@Override
public void onFailure(Call<Cliente> call, Throwable t) {
resultadoTextView.setText(t.getMessage());
}
});
客户端服务.java
public interface ClienteService {
@GET("/clientes")
Call<Cliente> getCliente();
}
客户端.java
public class Cliente {
private int id;
private String name;
private String username;
private String email;
private String phone;
private String website;
private String photo;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getWebsite() {
return website;
}
public void setWebsite(String website) {
this.website = website;
}
public String getPhoto() {
return photo;
}
public void setPhoto(String photo) {
this.photo = photo;
}
@Override
public String toString() {
return "Cliente{" +
"id=" + id +
", name='" + name + '\'' +
", username='" + username + '\'' +
", email='" + email + '\'' +
", phone='" + phone + '\'' +
", website='" + website + '\'' +
", photo='" + photo + '\'' +
'}';
}}
我做错了什么?
更新
我做了这些改变
public class Cliente {
@SerializedName("id")
private int id;
@SerializedName("name")
private String name;
@SerializedName("username")
private String username;
@SerializedName("email")
private String email;
@SerializedName("phone")
private String phone;
@SerializedName("website")
private String website;
@SerializedName("photo")
private String photo;
...
界面中还有这个
public interface ClienteService {
@GET("/clientes")
Call<List<Cliente>> getCliente();
}
如您所说,这在 MainActivity 中
Call<List<Cliente>> call = service.getCliente();
call.enqueue(new Callback<List<Cliente>>() {
@Override
public void onResponse(Call<List<Cliente>> call, Response<List<Cliente>> response) {
if(response.isSuccessful()) {
resultadoTextView.setText(call.toString());
}else{
resultadoTextView.setText("algo paso");
}
}
@Override
public void onFailure(Call<List<Cliente>> call, Throwable t) {
resultadoTextView.setText(t.getMessage());
}
});
但现在它向我显示了这个错误: “retrofit2.executorCallAdapterFactory$ExecutorCallbackCall@6a3dd44”
它在这一行中向我展示了这一点
...
if(response.isSuccessful()) {
resultadoTextView.setText(call.toString()); <-- HERE
}else{
...
最佳答案
如您所见,给定的 REST API url 返回一个 Object 数组,即 ArrayList,但在您的改造 api 服务中,返回类型为 Only Cliente。 因此,将您的 ClientService.java 更改为以下内容
public interface ClienteService {
@GET("/clientes")
Call<List<Cliente>> getCliente();
}
并将 Call.enque() 方法更改为此
Call<List<Cliente>> call = service.getCliente();
call.enqueue(new Callback<List<Cliente>>() {
@Override
public void onResponse(Call<List<Cliente>> call, Response<List<Cliente>> response) {
if(response.isSuccessful()) {
// your code to get data from the list
}else{
}
}
@Override
public void onFailure(Call<List<Cliente>> call, Throwable t) {
resultadoTextView.setText(t.getMessage());
}
});
关于java - 改造预期 begin_array 但在第 1 行第 2 列路径 $ 处是 begin_object,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38066728/