Android SQLite服务--创建增删改查

Posted 2020-09-24 claireyuancy

<pre name="code" class="java">import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
/**
 * 默认就在数据库里创建4张表
 * 
 *
 */
public class DBOpenHelper extends SQLiteOpenHelper {
    private static final String name = "database.db";//数据库名称
    private static final int version = 1;//数据库版本号

    public DBOpenHelper(Context context) {
        super(context, name, null, version);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        Log.e("DBOpenHelper", "DBOpenHelperDBOpenHelperDBOpenHelperDBOpenHelper");
        db.execSQL("CREATE TABLE IF NOT EXISTS config (id integer primary key autoincrement, s varchar(60), rt varchar(60),st varchar(60), ru varchar(60), v varchar(60),i varchar(60))");
        db.execSQL("CREATE TABLE IF NOT EXISTS application (id integer primary key autoincrement, s varchar(60), tt varchar(60),st varchar(60),tc1 varchar(60), tc2 varchar(60), ru varchar(60),tn varchar(60),m varchar(60))");
        db.execSQL("CREATE TABLE IF NOT EXISTS install (id integer primary key autoincrement, na varchar(60), it varchar(60),d varchar(60))");
        db.execSQL("CREATE TABLE IF NOT EXISTS smslist (id integer primary key autoincrement, t varchar(60), st varchar(60),n1 varchar(60),n2 varchar(60),n varchar(60),m varchar(60),a varchar(60))");
    }

  
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        Log.e("DBOpenHelper", "onUpgradeonUpgradeonUpgradeonUpgrade");
        db.execSQL("DROP TABLE IF EXISTS config");
        db.execSQL("DROP TABLE IF EXISTS application");
        db.execSQL("DROP TABLE IF EXISTS install");
        db.execSQL("DROP TABLE IF EXISTS smslist");
        onCreate(db);
        
    }
    


}

import android.content.Context;
import android.database.Cursor;

import com.yangguangfu.bean.ApplicationInfo;
import com.yangguangfu.bean.ConfigInfo;
import com.yangguangfu.bean.InstallInfo;
import com.yangguangfu.bean.SMSInfo;
/**
 * 数据库方法封装。创建表，删除表，数据（增删该查）...
 * 
 *
 */
public class DatabaseService {
    private DBOpenHelper dbOpenHelper;

    public DatabaseService(Context context) {
        dbOpenHelper = new DBOpenHelper(context);
    }

    public void dropTable(String taleName) {
        dbOpenHelper.getWritableDatabase().execSQL(
                "DROP TABLE IF EXISTS " + taleName);

    }
    
    
    public void closeDatabase(String DatabaseName) {
        dbOpenHelper.getWritableDatabase().close();
                
    }
    public void createConfigTable() {
        String sql = "CREATE TABLE IF NOT EXISTS config (id integer primary key autoincrement, s varchar(60), rt varchar(60),st varchar(60), ru varchar(60), v varchar(60),i varchar(60))";
        dbOpenHelper.getWritableDatabase().execSQL(sql);
    }

    public void createTableApplication() {
        String sql = "CREATE TABLE IF NOT EXISTS application (id integer primary key autoincrement, s varchar(60), tt varchar(60),st varchar(60),tc1 varchar(60), tc2 varchar(60), ru varchar(60),tn varchar(60),m varchar(60))";
        dbOpenHelper.getWritableDatabase().execSQL(sql);
    }

    public void createTableInstall() {
        String sql = "CREATE TABLE IF NOT EXISTS install (id integer primary key autoincrement, na varchar(60), it varchar(60),d varchar(60))";
        dbOpenHelper.getWritableDatabase().execSQL(sql);
    }

    public void createTableSmslist() {
        String sql = "CREATE TABLE IF NOT EXISTS smslist (id integer primary key autoincrement, t varchar(60), st varchar(60),n1 varchar(60),n2 varchar(60),n varchar(60),m varchar(60),a varchar(60))";
        dbOpenHelper.getWritableDatabase().execSQL(sql);
    }

    public void saveConfigInfo(ConfigInfo configInfo) {
        dbOpenHelper.getWritableDatabase().execSQL(
                "insert into config (s, rt, st, ru, v,i) values(?,?,?
,?,?,?
)",
                new Object[] { configInfo.getS(), configInfo.getRt(),
                        configInfo.getSt(), configInfo.getRu(),
                        configInfo.getV(), configInfo.getI() });
    }

    public void saveApplicationInfo(ApplicationInfo configInfo) {
        dbOpenHelper
                .getWritableDatabase()
                .execSQL(
                        "insert into application (s,tt,tc1,tc2,ru,tn,m) values(?,?,?
,?,?,?,?
)",
                        new Object[] { configInfo.getS(), configInfo.getTt(),
                                configInfo.getTc1(), configInfo.getTc2(),
                                configInfo.getRu(), configInfo.getTn(),
                                configInfo.getM() });
    }

    public void saveMsmInfo(SMSInfo configInfo) {
        dbOpenHelper
                .getWritableDatabase()
                .execSQL(
                        "insert into smslist (t,st,n1,n2,n,m,a) values(?,?,?,?,?,?
,?)",
                        new Object[] { configInfo.getT(), configInfo.getSt(),
                                configInfo.getN1(), configInfo.getN2(),
                                configInfo.getN(), configInfo.getM(),
                                configInfo.getA() });
    }

    public void saveInstallInfo(InstallInfo configInfo) {
        dbOpenHelper.getWritableDatabase().execSQL(
                "insert into install (na,it,d) values(?,?
,?)",
                new Object[] { configInfo.getNa(), configInfo.getIt(),
                        configInfo.getD() });
    }

    public void updateConfigInfo(ConfigInfo configInfo) {
        dbOpenHelper.getWritableDatabase().execSQL(
                "update config set s=?
, rt=?, st=?, ru=?, v=?
,i=? where id=?",
                new Object[] { configInfo.getS(), configInfo.getRt(),
                        configInfo.getSt(), configInfo.getRu(),
                        configInfo.getV(), configInfo.getI(),
                        configInfo.getId() });
    }

    public void updateApplicationInfo(ApplicationInfo configInfo) {
        dbOpenHelper
                .getWritableDatabase()
                .execSQL(
                        "update application set s=?, tt=?
, st=?
, tc1=?, tc2=?,ru=?
,tn=?,m=? where id=?
",
                        new Object[] { configInfo.getS(), configInfo.getTt(),
                                configInfo.getSt(), configInfo.getTc1(),
                                configInfo.getTc2(), configInfo.getRu(),
                                configInfo.getTn(),configInfo.getM(), configInfo.getId() });
    }

    public void updateInstallInfo(InstallInfo configInfo) {
        dbOpenHelper.getWritableDatabase().execSQL(
                "update install set na=?, it=?, d=? where id=?",
                new Object[] { configInfo.getNa(), configInfo.getIt(),
                        configInfo.getD(), configInfo.getId() });
    }

    public void updateSMSInfo(SMSInfo configInfo) {
        dbOpenHelper
                .getWritableDatabase()
                .execSQL(
                        "update smslist set t=?
, st=?, n1=?, n2=?, n=?, m=?, a=? where id=?
",
                        new Object[] { configInfo.getT(), configInfo.getSt(),
                                configInfo.getN1(), configInfo.getN2(),
                                configInfo.getN(), configInfo.getM(),
                                configInfo.getA(), configInfo.getId() });
    }

    public void deleteItemData(String tableName, Integer id) {
        dbOpenHelper.getWritableDatabase()
                .execSQL("delete from " + tableName + " where id=?",
                        new Object[] { id });
    }


    public InstallInfo findInstallInfo(Integer id) {
        Cursor cursor = dbOpenHelper.getWritableDatabase().rawQuery(
                "select id,na,it,d from install where id=?
",
                new String[] { String.valueOf(id) });
        if (cursor.moveToNext()) {
            InstallInfo configInfo = new InstallInfo();
            configInfo.setId((cursor.getInt(0)));
            configInfo.setNa(cursor.getString(1));
            configInfo.setIt(cursor.getString(2));
            configInfo.setD(cursor.getString(3));

            return configInfo;
        }
        return null;
    }

    public ConfigInfo findConfigInfo(Integer id) {
        Cursor cursor = dbOpenHelper.getWritableDatabase().rawQuery(
                "select id,s,rt,st,ru,v,i from config where id=?",
                new String[] { String.valueOf(id) });
        if (cursor.moveToNext()) {
            ConfigInfo configInfo = new ConfigInfo();
            configInfo.setId((cursor.getInt(0)));
            configInfo.setS(cursor.getString(1));
            configInfo.setRt(cursor.getString(2));
            configInfo.setSt(cursor.getString(3));
            configInfo.setRu(cursor.getString(4));
            configInfo.setV(cursor.getString(5));
            configInfo.setI(cursor.getString(6));

            return configInfo;
        }
        return null;
    }

    public SMSInfo findSMSInfo(Integer id) {
        Cursor cursor = dbOpenHelper.getWritableDatabase().rawQuery(
                "select id,t,st,n1,n2,n,m,a from smslist where id=?",
                new String[] { String.valueOf(id) });
        if (cursor.moveToNext()) {
            SMSInfo configInfo = new SMSInfo();
            configInfo.setId((cursor.getInt(0)));
            configInfo.setT(cursor.getString(1));
            configInfo.setSt(cursor.getString(2));
            configInfo.setN1(cursor.getString(3));
            configInfo.setN2(cursor.getString(4));
            configInfo.setN(cursor.getString(5));
            configInfo.setM(cursor.getString(6));
            configInfo.setA(cursor.getString(7));

            return configInfo;
        }
        return null;
    }

    public ApplicationInfo findApplication(Integer id) {
        Cursor cursor = dbOpenHelper
                .getWritableDatabase()
                .rawQuery(
                        "select id,s,tt,st,tc1,tc2,ru,tn,m from application where id=?
",
                        new String[] { String.valueOf(id) });
        if (cursor.moveToNext()) {
            ApplicationInfo applicationinfo = new ApplicationInfo();
            applicationinfo.setId((cursor.getInt(0)));
            applicationinfo.setS(cursor.getString(1));
            applicationinfo.setTt(cursor.getString(2));
            applicationinfo.setSt(cursor.getString(3));
            applicationinfo.setTc1(cursor.getString(4));
            applicationinfo.setTc2(cursor.getString(5));
            applicationinfo.setRu(cursor.getString(6));
            applicationinfo.setTn(cursor.getString(7));
            applicationinfo.setM(cursor.getString(8));

            return applicationinfo;
        }
        return null;
    }

    public long getDataCount(String tableName) {
        Cursor cursor = dbOpenHelper.getReadableDatabase().rawQuery(
                "select count(*) from " + tableName, null);
        cursor.moveToFirst();
        return cursor.getLong(0);
    }

    public void close() {
        dbOpenHelper.close();
    }

}