Android SQLite服务--创建、增删改查

<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(); } }

转载于:https://www.cnblogs.com/claireyuancy/p/7066754.html