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package com.example.orangesale_0401.dataoperation;
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import android.content.ContentValues;
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import android.content.Context;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.os.Bundle;
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import androidx.annotation.Nullable;
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public class OrangeDatabase extends SQLiteOpenHelper {
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public OrangeDatabase(@Nullable Context context) {
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super(context, "orange.db", null, 1);
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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//创建用户表
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String sql = "create table orange_user(id integer primary key autoincrement, phone varchar(50),age varchar(50),username varchar(50), password varchar(50),sex varchar(10),city carchar(50))";
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db.execSQL(sql);
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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}
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/**
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* 插入数据
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*
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* @param sqLiteDatabase
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* @param username
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* @param password
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* @param sex
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* @param city
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*/
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public void insertUser(SQLiteDatabase sqLiteDatabase, String age, String phone, String username, String password, String sex, String city) {
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ContentValues contentValues = new ContentValues();
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contentValues.put("phone", phone);
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contentValues.put("age", age);
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contentValues.put("username", username);
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contentValues.put("password", password);
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contentValues.put("sex", sex);
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contentValues.put("city", city);
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sqLiteDatabase.insert("orange_user", null, contentValues);
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sqLiteDatabase.close();
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}
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/**
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* 查询数据
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*
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* @param sqLiteDatabase
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* @param bundle
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* @return
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*/
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public Bundle queryUserInfo(SQLiteDatabase sqLiteDatabase, Bundle bundle) {
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String username = bundle.getString("username");
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Cursor cursor = sqLiteDatabase.rawQuery("select * from orange_user where username=?", new String[]{username});
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if (cursor != null) {
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while (cursor.moveToNext()) {
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bundle.putString("phone", cursor.getString(1));
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bundle.putString("age", cursor.getString(2));
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bundle.putString("sex", cursor.getString(5));
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bundle.putString("city", cursor.getString(6));
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}
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}
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cursor.close();
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sqLiteDatabase.close();
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return bundle;
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}
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}
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After Width: | Height: | Size: 606 B |
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After Width: | Height: | Size: 498 B |
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After Width: | Height: | Size: 32 KiB |
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After Width: | Height: | Size: 645 B |
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After Width: | Height: | Size: 1.1 KiB |
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