创建订单

model

public class CreateDingDaoModel {
    private IPresenterCreateDingDan iPresenterCreateDingDan;

    public CreateDingDaoModel(IPresenterCreateDingDan iPresenterCreateDingDan) {
        this.iPresenterCreateDingDan = iPresenterCreateDingDan;
    }

    public void getData(String createdingdanUrl, String sum, String uid) {
        Map<String, String> map = OkHttp3Util.CommonParamsInterceptor.map;
        map.put("uid",uid);
        map.put("price",sum);

        OkHttp3Util.doPost(createdingdanUrl, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if(response.isSuccessful()){
                    String json = response.body().string();
                    if(json != null){
                        try {
                            JSONObject obj = new JSONObject(json);
                            String msg = obj.getString("msg");
                            String code = obj.getString("code");
                            //使用接口回调
                            iPresenterCreateDingDan.onCreateSuccess(msg,code);
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }

                    }
                }
            }
        });
    }
}

presenter

public class CreateDingDanPresenter implements IPresenterCreateDingDan{
    private IViewCreateDingDan iViewCreateDingDan;
    private final CreateDingDaoModel createDingDaoModel;

    public CreateDingDanPresenter(IViewCreateDingDan iViewCreateDingDan) {
        this.iViewCreateDingDan = iViewCreateDingDan;
        createDingDaoModel = new CreateDingDaoModel(this);
    }


    public void getData(String createdingdanUrl, String sum, String uid) {
        createDingDaoModel.getData(createdingdanUrl,sum,uid);
    }

    @Override
    public void onCreateSuccess(String msg, String code) {
        iViewCreateDingDan.onCreateSuccess(msg,code);
    }
}

接口

public interface IPresenterCreateDingDan {
    void onCreateSuccess(String msg,String code);
}

IView

public interface IViewCreateDingDan {
    void onCreateSuccess(String msg,String code);
}

Activity

public class CreateDingDanActivity extends AppCompatActivity implements IViewCreateDingDan{

    private TextView shifu;
    private TextView load;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_create_ding_dan);
        shifu = (TextView) findViewById(R.id.shifu);
        load = (TextView) findViewById(R.id.load);

        final String sum = getIntent().getStringExtra("sum");
        shifu.setText("实付款：￥"+sum);

        load.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                CreateDingDanPresenter createDingDanPresenter = new CreateDingDanPresenter(CreateDingDanActivity.this);
                createDingDanPresenter.getData(APIUtil.CREATEDINGDAN_URL,sum,"2753");
            }
        });
    }

    @Override
    public void onCreateSuccess(final String msg, final String code) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if("0".equals(code)){
                    Toast.makeText(CreateDingDanActivity.this,msg,Toast.LENGTH_SHORT).show();
                    Intent intent = new Intent(CreateDingDanActivity.this,ShowDingDanActivity.class);
                    startActivity(intent);
                }else{
                    Toast.makeText(CreateDingDanActivity.this,msg,Toast.LENGTH_SHORT).show();
                }


            }
        });
    }
}

布局

<RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="10dp">
        <TextView
            android:text="确认订单"
            android:textSize="25dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"/>
    </RelativeLayout>
    <LinearLayout
        android:layout_alignParentBottom="true"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:orientation="horizontal"
        android:background="#fff">
        <TextView
            android:id="@+id/shifu"
            android:layout_weight="2"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:textColor="#f00"
            android:text="实付款"
            android:textSize="20dp"
            android:gravity="center"/>
        <TextView
            android:id="@+id/load"
            android:text="立即下单"
            android:layout_weight="1.5"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:background="#f00"
            android:textColor="#fff"
            android:textSize="25dp"
            android:gravity="center"
            android:padding="10dp"/>
    </LinearLayout>