体温一1

增加用户注册功能，用户注册信息包括用户ID（学号）、用户名（姓名），手机号码，用户单位（班级），用户班级四项基本信息

效果如下：

 

布局文件activity_zhuce.xml代码如下：

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     xmlns:tools="http://schemas.android.com/tools"
 4     android:layout_width="match_parent"
 5     android:layout_height="match_parent"
 6     android:orientation="vertical"
 7     android:padding="10dp"
 8     tools:context=".ZhuceActivity">
 9 
10     <TextView
11         android:id="@+id/zhuce_title"
12         android:layout_width="match_parent"
13         android:layout_height="wrap_content"
14         android:text="注册"
15         android:textSize="25sp"
16         android:gravity="center"
17         android:textColor="#000000"
18         />
19 
20 
21     <EditText
22         android:id="@+id/zhuce_ID"
23         android:hint="学号"
24         android:textColor="#000000"
25         android:textSize="16sp"
26         android:layout_width="match_parent"
27         android:layout_height="50dp"
28         android:padding="5dp"
29         android:digits="1234567890."
30         android:layout_below="@id/zhuce_title"
31         android:layout_marginTop="20dp"
32         android:background="#FDDEDE"
33         />
34 
35     <EditText
36         android:id="@+id/zhuce_name"
37         android:hint="姓名"
38         android:textColor="#000000"
39         android:textSize="16sp"
40         android:layout_width="match_parent"
41         android:layout_height="50dp"
42         android:padding="5dp"
43         android:layout_below="@id/zhuce_ID"
44         android:layout_marginTop="20dp"
45         android:background="#FDDEDE"
46         />
47 
48     <EditText
49         android:id="@+id/zhuce_phone"
50         android:layout_width="match_parent"
51         android:layout_height="50dp"
52         android:layout_below="@id/zhuce_name"
53         android:layout_marginTop="20dp"
54         android:background="#FDDEDE"
55         android:hint="手机号码"
56         android:digits="1234567890"
57         android:padding="5dp"
58         android:textColor="#000000"
59         android:textSize="16sp" />
60 
61     <EditText
62         android:id="@+id/zhuce_class"
63         android:hint="班级"
64         android:textColor="#000000"
65         android:textSize="16sp"
66         android:layout_width="match_parent"
67         android:layout_height="50dp"
68         android:padding="5dp"
69         android:layout_below="@id/zhuce_phone"
70         android:layout_marginTop="20dp"
71         android:background="#FDDEDE"
72         android:clickable="true"
73         />
74 
75     <Button
76         android:id="@+id/btn_zc"
77         android:layout_width="match_parent"
78         android:layout_height="wrap_content"
79         android:text="注册"
80         android:layout_below="@id/zhuce_class"
81         android:layout_marginTop="20dp"
82         android:background="#1E86FD"
83         />
84 
85 </RelativeLayout>

ZhuceActivity.java

 1 public class ZhuceActivity extends AppCompatActivity {
 2     //注册按钮
 3     private Button mbtn_zhuce;
 4     @Override
 5     protected void onCreate(Bundle savedInstanceState) {
 6         super.onCreate(savedInstanceState);
 7         setContentView(R.layout.activity_zhuce);
 8 
 9         //注册按钮
10         mbtn_zhuce = findViewById(R.id.btn_zc);
11         mbtn_zhuce.setOnClickListener(new View.OnClickListener() {
12             @Override
13             public void onClick(View v) {
14                 final EditText IDET=findViewById(R.id.zhuce_ID);//获取ID
15                 final EditText NameET=findViewById(R.id.zhuce_name);//获取姓名
16                 final EditText PhoneET=findViewById(R.id.zhuce_phone);//获取电话
17                 final EditText ClassET=findViewById(R.id.zhuce_class);//获取班级
18 
19                 //存数据
20                 mbtn_zhuce.setOnClickListener(new View.OnClickListener() {
21                     @Override
22                     public void onClick(View v) {
23                             Toast.makeText(ZhuceActivity.this,"注册成功",Toast.LENGTH_SHORT).show();
24                             Intent intent=null;
25                             intent=new Intent(ZhuceActivity.this,MainActivity.class);
26                             startActivity(intent);
27                     }
28                 });
29             }
30         });
31     }
32 }            

MyDatabaseHelper.java

 1 import android.content.Context;
 2 import android.database.sqlite.SQLiteDatabase;
 3 import android.database.sqlite.SQLiteOpenHelper;
 4 
 5 public class MyDatabaseHelper extends SQLiteOpenHelper {
 6 
 7     private Context mContext;
 8     public MyDatabaseHelper(Context context){
 9         super(context,Constants.DATABASE_NAME,null,Constants.VERSION_CODE);
10         mContext=context;
11     }
12 
13     @Override
14     public void onCreate(SQLiteDatabase db){
15         //创建时的回调
16         String sqlt="create table " + Constants.User_NAME + "(userID varchar,userName varchar,userPhone varchar,userClass varchar)";
17         db.execSQL(sqlt);
18     }
19 
20     @Override
21     public void onUpgrade(SQLiteDatabase db,int oldVersion,int newVersion){
22         //升级时的回调
23     }
24 
25 }

Constants.java

1 public class Constants {
2     public static final String DATABASE_NAME ="TemperatureAPP.db";
3     public static final int VERSION_CODE=1;
4     public static final String User_NAME="user";
5 }

User.java

 1 public class User {
 2 
 3     private String userID;
 4     private String userName;
 5     private String userPhone;
 6     private String userClass;
 7 
 8     public String getUserID() {
 9         return userID;
10     }
11 
12     public void setUserID(String userID) {
13         this.userID = userID;
14     }
15 
16     public String getUserClass() {
17         return userClass;
18     }
19 
20     public void setUserClass(String userClass) {
21         this.userClass = userClass;
22     }
23 
24     public String getUserPhone() {
25         return userPhone;
26     }
27 
28     public void setUserPhone(String userPhone) {
29         this.userPhone = userPhone;
30     }
31 
32     public String getUserName() {
33         return userName;
34     }
35 
36     public void setUserName(String userName) {
37         this.userName = userName;
38     }
39 
40     public User(){}
41 
42     public User(String userID,String userClass,String userPhone,String userName){
43         super();
44         this.userClass=userClass;
45         this.userPhone=userPhone;
46         this.userName=userName;
47         this.userID=userID;
48     }
49 
50     @Override
51     public String toString() {
52         return "User{" + "userID='" + userID + '\'' + ", userName='" + userName + '\''+ ", userPhone='" + userPhone + '\''+ ", userClass='" +userClass + '\''+ '}';
53     }
54 }

Dao.java

 1 import android.content.Context;
 2 import android.database.Cursor;
 3 import android.database.sqlite.SQLiteDatabase;
 4 
 5 public class Dao {
 6 
 7     private final MyDatabaseHelper mHelper;
 8 
 9     public Dao(Context context){
10         //创建数据库
11         mHelper=new MyDatabaseHelper(context);
12     }
13 
14     public void insertUser(String userID,String userName,String userPhone,String userClass){
15         SQLiteDatabase db=mHelper.getWritableDatabase();
16         String sql="insert into "+Constants.User_NAME+"(userID,userName,userPhone,userClass) values(?,?,?,?)";
17         db.execSQL(sql,new Object[]{userID,userName,userPhone,userClass});
18         db.close();
19     }
20 }