diff --git a/点餐系统(CS体系风格)/ElemeMainPage.java b/点餐系统(CS体系风格)/ElemeMainPage.java
new file mode 100644
index 0000000..9119525
--- /dev/null
+++ b/点餐系统(CS体系风格)/ElemeMainPage.java
@@ -0,0 +1,177 @@
+package com.example.myapplication;
+
+import android.app.Activity;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.ListView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import Util.myutil;
+
+public class ElemeMainPage extends Activity implements View.OnClickListener  {
+    MyHelper myHelper ;
+    SQLiteDatabase sqLiteDatabase;
+    private List<Shop> ShopLists = new ArrayList<Shop>();
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main_layout);
+            Button search_Icon = findViewById(R.id.search_Icon);
+            search_Icon.setOnClickListener(this);
+        myHelper= new MyHelper(this);
+        sqLiteDatabase = myHelper.getWritableDatabase();
+        initShops(sqLiteDatabase);
+        ShopAdapter adapter = new ShopAdapter(ElemeMainPage.this, R.layout.food_shops, ShopLists);
+        ListView listView = (ListView) findViewById(R.id.list_view);
+        listView.setAdapter(adapter);
+        Button order_btn = (Button) findViewById(R.id.orderbtn);
+        myutil util = new myutil();
+        util.setListener(order_btn, ElemeMainPage.this, News.class);
+        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                Shop shop = (Shop) listView.getItemAtPosition(position);
+                Intent intent = new Intent(ElemeMainPage.this, OrderProcessingPage.class);
+                Bundle bundle = new Bundle();
+                bundle.putString("shop_name", shop.getShop_name());
+                intent.putExtras(bundle);
+                ElemeMainPage.this.startActivity(intent);
+
+                }
+        });
+
+    }
+
+    private void initShops(SQLiteDatabase sqLiteDatabase) {
+        Cursor cursor = sqLiteDatabase.query("SHOPS", null, null, null, null, null, null);
+        if (cursor.getCount() == 0) {
+            return;
+
+        } else {
+            cursor.moveToFirst();
+
+            ShopLists.add(new Shop(cursor.getInt(0),
+                    cursor.getString(1),cursor.getString(2)
+                    ,cursor.getString(3),cursor.getInt(4),
+                    cursor.getInt(5),cursor.getInt(6),
+                    cursor.getString(7),cursor.getString(8),
+                    cursor.getString(9),cursor.getString(10),
+                    cursor.getString(11),cursor.getString(12)));
+        }
+        while (cursor.moveToNext()) {
+            ShopLists.add(new Shop(cursor.getInt(0),
+                    cursor.getString(1),cursor.getString(2)
+                    ,cursor.getString(3),cursor.getInt(4),
+                    cursor.getInt(5),cursor.getInt(6),
+                    cursor.getString(7),cursor.getString(8),
+                    cursor.getString(9),cursor.getString(10),
+                    cursor.getString(11),cursor.getString(12)));
+        }
+        cursor.close();
+        sqLiteDatabase.close();
+
+    }
+
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()){
+            case R.id.search_Icon:
+                EditText search_EditText = findViewById(R.id.search_EditText);
+                String keyWord = search_EditText.getText().toString();
+                if (keyWord.trim().equals(""))
+                {
+                    SQLiteDatabase sqLiteDatabase;
+                    MyHelper myHelper = new MyHelper(ElemeMainPage.this);
+                    sqLiteDatabase=myHelper.getReadableDatabase();
+                    LinearLayout linearLayout = findViewById(R.id.mylist);
+                    linearLayout.setBackgroundResource(R.color.white);
+                    List<Shop> ShopList = new ArrayList<Shop>();
+                    Cursor cursor = sqLiteDatabase.query("SHOPS", null,null,null,null,null,null);
+                    if (cursor.getCount() == 0) {
+                        Toast.makeText(this,"很遗憾，没有搜索到", Toast.LENGTH_SHORT).show();
+                        return;
+
+                    }
+                    cursor.moveToFirst();
+                    ShopList.add(new Shop(cursor.getInt(0),
+                        cursor.getString(1),cursor.getString(2)
+                        ,cursor.getString(3),cursor.getInt(4),
+                        cursor.getInt(5),cursor.getInt(6),
+                        cursor.getString(7),cursor.getString(8),
+                        cursor.getString(9),cursor.getString(10),
+                        cursor.getString(11),cursor.getString(12)));
+                    while (cursor.moveToNext()) {
+                        ShopList.add(new Shop(cursor.getInt(0),
+                                cursor.getString(1),cursor.getString(2)
+                                ,cursor.getString(3),cursor.getInt(4),
+                                cursor.getInt(5),cursor.getInt(6),
+                                cursor.getString(7),cursor.getString(8),
+                                cursor.getString(9),cursor.getString(10),
+                                cursor.getString(11),cursor.getString(12)));
+                    }
+                    ShopAdapter adapter = new ShopAdapter(ElemeMainPage.this, R.layout.food_shops, ShopLists);
+                    ListView listView = (ListView) findViewById(R.id.list_view);
+                    listView.setAdapter(adapter);
+                    return;
+                }
+                if (!keyWord.trim().equals("")){
+                    List<Shop> ShopLists ;
+                    SQLiteDatabase sqLiteDatabase ;
+                    MyHelper myHelper = new MyHelper(ElemeMainPage.this);
+                    sqLiteDatabase = myHelper.getReadableDatabase();
+                    ContentValues values = new ContentValues();
+                    values.put("shop_name",keyWord);
+
+                    LinearLayout linearLayout = findViewById(R.id.mylist);
+                    Cursor cursor = sqLiteDatabase.query("SHOPS", null, "shop_name   like ?",new String[]{"%"+keyWord+"%"},null,null,null);
+                    if (cursor.getCount()==0) {
+                        Toast.makeText(this, "很遗憾，没有搜索到", Toast.LENGTH_SHORT).show();
+                        linearLayout.setBackgroundResource(R.mipmap.havenofood);
+                        ShopLists = new ArrayList<Shop>();
+                        ShopAdapter adapter = new ShopAdapter(ElemeMainPage.this, R.layout.food_item, ShopLists);
+                        ListView listView = (ListView) findViewById(R.id.list_view);
+                        listView.setAdapter(adapter);
+                        return;
+                    }else {
+                        ShopLists = new ArrayList<Shop>();
+                        cursor.moveToFirst();
+                        ShopLists.add(new Shop(cursor.getInt(0),
+                                cursor.getString(1),cursor.getString(2)
+                                ,cursor.getString(3),cursor.getInt(4),
+                                cursor.getInt(5),cursor.getInt(6),
+                                cursor.getString(7),cursor.getString(8),
+                                cursor.getString(9),cursor.getString(10),
+                                cursor.getString(11),cursor.getString(12)));
+                        while (cursor.moveToNext()) {
+                            ShopLists.add(new Shop(cursor.getInt(0),
+                                    cursor.getString(1),cursor.getString(2)
+                                    ,cursor.getString(3),cursor.getInt(4),
+                                    cursor.getInt(5),cursor.getInt(6),
+                                    cursor.getString(7),cursor.getString(8),
+                                    cursor.getString(9),cursor.getString(10),
+                                    cursor.getString(11),cursor.getString(12)));
+                        }
+                        linearLayout = findViewById(R.id.mylist);
+                        linearLayout.setBackgroundResource(R.color.white);
+                        ShopAdapter adapter = new ShopAdapter(ElemeMainPage.this, R.layout.food_shops, ShopLists);
+                        ListView listView = (ListView) findViewById(R.id.list_view);
+                        listView.setAdapter(adapter);
+                        return;
+                    }
+                }
+
+        }
+    }
+}
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