Android SQLite服务--创建增删改查 _增删改

君不见长松卧壑困风霜，时来屹立扶明堂。这篇文章主要讲述Android SQLite服务--创建增删改查相关的知识，希望能为你提供帮助。

< 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=?
【Android SQLite服务--创建增删改查】" , 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(); }}