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我正在尝试从我读到的关于 getMethod() 函数的接口中获取一个方法,正如文档所说

public Method getMethod(String name, Class<?>... parameterTypes)

是 java.lang.Class.getMethod() 方法的声明

我对获得简单类型的方法没有任何问题,例如

Call<ApiR<SelfVM>> Get(String value);  

这里传递String.class工作正常


但是当一个方法需要泛型类时,我对此有点困惑,

这是我的问题

我应该在方法中传递什么而不是parameterTypes

Call<ApiR<SelfVM>> Set(SendR<SelfVM> vm);

SendRSelfVM

public class SendR <T> {

    private T value;
    private String token;

    public SendR(T value, String token) {
        this.value = value;
        this.token = token;
    }

}

public class SelfVM {

    private String id;
    private String name;
    private String lastName;

    public SelfVM(String id, String name, String lastName) {
        this.id = id;
        this.name = name;
        this.lastName = lastName;
    }

}

这是我试过的

计算结果函数:

protected static void CalculateResult(final Object interfaceObject,
                                      final String methodName,
                                      final Class<?> viewModelClassType,
                                      final Object viewModelObject,
                                      final CalculateResultCallBack callBack) {
    Method method;
    Call<ApiR> result = null;
    method = interfaceObject
          .getClass()
          .getMethod(methodName, viewModelClassType);
    result = (Call<ApiR>) method.invoke(interfaceObject, viewModelObject);
}

这是我调用CalculateResult函数的地方

static SelfInterface apiService =
        ApiSetting.getClient().create(SelfInterface.class);

public static void get(CalculateResultCallBack<SelfVM> callBack) {
    CalculateResult(apiService, "Get", null,
            null, callBack);
}

public static void set(SendR<SelfVM> vm, CalculateResultCallBack<SelfVM> callBack) {
    CalculateResult(apiService, "Set", SendR.class, vm, callBack);
}

ApiSetting.getClient()

public class ApiSetting {
    public static Retrofit getClient() {
            if (retrofit == null) {
                retrofit = new Retrofit.Builder()
                        .baseUrl(BASE_URL)
                        .addConverterFactory(GsonConverterFactory.create())
                        .client(okHttpClient)
                        .build();
            }
            return retrofit;
        }
}

获取和设置方法

@GET("json.txt")
Call<ApiR<SelfVM>> Get();


@PUT("json.txt")
Call<ApiR<SelfVM>> Set(SendR<SelfVM> vm);
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