团队计划（6.5）

Posted 2020-07-21 是你，就好

今天做了什么？

金额展示界面：

源代码

 1 package com.example.grouptext02;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.database.Cursor;
 6 import android.database.sqlite.SQLiteDatabase;
 7 import android.os.Bundle;
 8 import android.util.Log;
 9 import android.view.View;
10 import android.view.View.OnClickListener;
11 import android.widget.Button;
12 import android.widget.TextView;
13 
14 public class Show extends Activity {
15     
16     String layout = " ";
17     SQLiteDatabase db;
18     @Override
19     protected void onCreate(Bundle savedInstanceState) {
20         super.onCreate(savedInstanceState);
21         setContentView(R.layout.show);
22         
23         
24         final TextView et2 =(TextView) findViewById(R.id.textView1);
25         
26         //select * from 数据库
27         DataHelper helper = new DataHelper(getBaseContext());
28         db = helper.getWritableDatabase();
29         
30         //String sql = "DELETE FROM " + DataHelper.TABLENAME +";";
31         //db.execSQL(sql);
32         
33         Cursor cursor = db.query(DataHelper.TABLENAME, null, null, null,null,null,null);
34         //然后通过线性结构进行输出
35         
36         cursor.moveToFirst();
37         layout = "\n"+"项目 金额"+"\n";
38         layout = layout.concat(cursor.getString(1)+"   "+cursor.getString(2));
39         layout = layout.concat("\n");
40         while(cursor.moveToNext())
41         {
42             layout = layout.concat(cursor.getString(1)+"   "+cursor.getString(2));        
43             layout = layout.concat("\n");
44         }
45         cursor.close();
46         
47         Log.v("TAG","王大思的标记set.1");
48         et2.append(layout);
49         Log.v("TAG","王大思的标记set.1.2");
50         
51         Button Button = (Button) findViewById(R.id.button1);
52         Button.setOnClickListener(new OnClickListener()
53         {
54             public void onClick(View arg0)
55             {
56                 Intent i = new Intent(Show.this,Mainpage.class);
57                 startActivity(i);//跳转
58             }
59         });
60     }
61     
62 }

明天准备做什么？

进行layout界面设计

遇到的困难？

将Cursor进行显示，最终使用连接到字符串后显示的方法进行输出