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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();
}
}
Android SQLite服务--创建、增删改查