10天冲刺第七天

今天主要是给用户添加一个可以点单加入心愿单的功能，在浏览到喜欢的食物可以选择点单的方式来为自己安排这一段饭，商家也会收到通知

package cn.edu.neusoft.fooddemo.fragment;

import android.app.Fragment;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.Spinner;
import android.widget.TextView;

import com.google.gson.Gson;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;

import cn.edu.neusoft.fooddemo.R;
import cn.edu.neusoft.fooddemo.bean.Food;
import cn.edu.neusoft.fooddemo.bean.Shop;
import cn.edu.neusoft.fooddemo.bean.User;
import cn.edu.neusoft.fooddemo.util.Contants;

public class OrderFragment extends BaseFragment {
    private int food_id;
    private TextView tv_foodname,tv_foodprice,tv_username,tv_useraddress,tv_result;
    private ImageView iv_foodpic;
    private Button btn_ok,btn_cancel;
    private EditText et_num;
    private Food food;
    private User user;
    private double price_sum;
    private String stime;
    private Spinner sp_stime;
    protected View init(LayoutInflater inflater, ViewGroup container,
                        Bundle savedInstanceState)
    {
        View view = inflater.inflate(R.layout.order, container, false);
        tv_foodname=(TextView)view.findViewById(R.id.food_name);
        tv_foodprice=(TextView)view.findViewById(R.id.food_price);
        tv_username=(TextView)view.findViewById(R.id.username);
        tv_useraddress=(TextView)view.findViewById(R.id.useraddress);
        tv_result=(TextView)view.findViewById(R.id.result);
        et_num=(EditText)view.findViewById(R.id.num);
        iv_foodpic=(ImageView)view.findViewById(R.id.food_pic);
        btn_ok=(Button)view.findViewById(R.id.btn_ok);
        btn_cancel=(Button)view.findViewById(R.id.btn_cancel);
        sp_stime=(Spinner)view.findViewById(R.id.sp_stime);
        setSpinner(sp_stime);

        btn_ok.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                    int num=Integer.parseInt(et_num.getText().toString());
                    String param="user_id="+user_id+"&food_id="+food_id+"&num="+num+"&sum="+price_sum+"&suggesttime="+stime;
                    getJSONByVolley(Contants.BASEURL + "insertOrder.do?"+param);
            }
        });

        et_num.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            }
            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                if(count>0)
                {
                    String num=et_num.getText().toString();
                    int inum=Integer.parseInt(num);
                    price_sum=food.getPrice()*inum;
                    tv_result.setText("总计："+price_sum+"元");
                }
            }
            @Override
            public void afterTextChanged(Editable s) {
            }
        });

        food_id=getArguments().getInt("food_id");
        getJSONByVolley(Contants.BASEURL + "getFoodById.do?food_id=" + food_id);
        getJSONByVolley(Contants.BASEURL + "getUserById.do?user_id=" + user_id);
        return view;
    }

    @Override
    protected void setJSONDataToView(String url, JSONObject data) {
        Gson gson=new Gson();
        if(url.contains("getFoodById")) {
           food=gson.fromJson(data.toString(),Food.class);
            tv_foodname.setText("菜名："+food.getFoodname());
            tv_foodprice.setText("价钱："+food.getPrice()+"元");
            if(food.getPic()!=null&&!"".equals(food.getPic())){
                loadImageByVolley(food.getPic(), iv_foodpic);
            }
            String num=et_num.getText().toString();
            int inum=Integer.parseInt(num);
            price_sum=food.getPrice()*inum;
            tv_result.setText("总计："+price_sum+"元");
        }else if(url.contains("getUserById")){
            user=gson.fromJson(data.toString(),User.class);
            tv_username.setText("用户姓名："+user.getUsername());
            tv_useraddress.setText("配送地址："+user.getAddress());
        }else
        {
            try {
                if (1==data.getInt("success"))
                    getToast("下单成功");
                else
                    getToast("下单失败");
            }catch (JSONException e)
            {
            }
        }
    }
    public void setSpinner(Spinner sp)
    {
        // 建立数据源
        String[] mItems = getResources().getStringArray(R.array.suggesttime);
// 建立Adapter并且绑定数据源
        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this.getActivity(),android.R.layout.simple_spinner_item, mItems);
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
//绑定 Adapter到控件
        sp .setAdapter(adapter);
        sp.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view,
                                       int pos, long id) {

                String[] stimes = getResources().getStringArray(R.array.suggesttime);
                stime=stimes[pos];
            }
            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                // Another interface callback
            }
        });
    }
}