网上订餐系统_后台功能实现.doc

Car.java：购物车文件，在此可以提交订单； package com.example.homework; public class Car { String Dish_ID; String Dish_Name; String Price; String Url; String Type_ID; String User_ID; String num; // 构造函数 public Car(){ Dish_ID = ; Dish_Name = ; Url = ; Type_ID = ; Price = ; User_ID=; num=; } public String getDish_ID() { return Dish_ID; } public String getDish_Name() { return Dish_Name; } public String getPrice() { return Price; } public String getUrl() { return Url; } public String getType_ID() { return Type_ID; } public String getUser_ID() { return User_ID; } public String getnum() { return num; } // Set 方法 public void setDish_ID(String Dish_ID) { this.Dish_ID = Dish_ID; } public void setDish_Name(String Dish_Name) { this.Dish_Name = Dish_Name; } public void setPrice(String Price) { this.Price = Price; } public void setUrl(String Url) { this.Url = Url; } public void setType_ID(String Type_ID) { this.Type_ID = Type_ID; } public void setUser_ID(String User_ID) { this.User_ID = User_ID; } public void setnum(String num) { this.num = num; } } Chinese.java中餐文件： 在此文件中显示从数据库中取出关于中餐的有关数据 ； package com.example.homework; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.json.JSONArray; import org.json.JSONException; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ListView; import android.widget.SimpleAdapter; import com.google.gson.Gson; import com.google.gson.JsonSyntaxException; @SuppressLint(HandlerLeak) public class Chinese extends Activity { public String SERVER_URL = 8:8080/ProjectFinal/DishServlet?method=getData; ListView listview = null; @