a-5

注册界面

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_register"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:background="@drawable/d"
    tools:context=".register">

    <TextView
        android:id="@+id/login_title"
        android:text="注册"
        android:layout_width="match_parent"
        android:textSize="25sp"
        android:textColor="@color/blue"
        android:layout_height="50dp"
        android:gravity="center"
        />

    <TableLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/login_title"
        >

    <TableRow
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="10dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp">

        <TextView
            android:text="账号："
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            />

        <EditText
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:inputType="phone"
            android:layout_weight="1"
            android:textSize="20sp"
            android:ems="10"
            android:id="@+id/et_ID" />

    </TableRow>

    <TableRow
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="10dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp">

        <TextView
            android:text="密码："
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            />

        <EditText
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            android:inputType="textPassword"
            android:ems="10"
            android:layout_weight="1"
            android:id="@+id/et_password" />
    </TableRow>

    <TableRow
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="10dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp">

        <Button
            android:text="注册"
            android:textColor="@color/white"
            android:layout_weight="1"
            android:textSize="30sp"
            android:layout_gravity="center"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/bt_register"
            android:background="@drawable/button_shape"/>
    </TableRow>

</TableLayout>
</RelativeLayout>

package com.example.hhh.telephone;

import android.os.Bundle;

import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

public class register extends AppCompatActivity implements View.OnClickListener {
    private Button bt_register;
    private EditText et_ID,et_password;
    private String username,password;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);

        et_ID = (EditText) findViewById(R.id.et_ID);
        et_password = (EditText) findViewById(R.id.et_password);
        bt_register = (Button) findViewById(R.id.bt_register);
        bt_register.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.bt_register:
                username = et_ID.getText().toString().trim();
                password = et_password.getText().toString().trim();
                if(username.equals("") || password.equals("")){
                    Toast.makeText(this,"请完善信息！",Toast.LENGTH_SHORT).show();
                    return;
                }else {

                        userService userService = new userService(this);
                        Boolean flag = userService.CheckIsDataAlreadyInDBorNot(username);
                        if(flag==Boolean.TRUE){
                            Toast.makeText(this,"该用户已存在！",Toast.LENGTH_SHORT).show();
                            return;
                        }else {
                            user user = new user();
                            user.setUsername(username);
                            user.setPassword(password);
                            userService.register(user);
                            Toast.makeText(this,"注册成功",Toast.LENGTH_SHORT).show();
                            finish();

                    }
                }
                break;
        }
    }
}