Android 合作伙伴; } //获取所有posx、posy和信息 公共阵列列表getAllPos_info(){ ArrayList coordList=新的ArrayList(); //选择所有查询 String selectQuery=“SELECT*FROM”+表格位置; SQLiteDatabase db=this.getWritableDatabase(); Cursor Cursor=db.rawQuery(selectQuery,null); //循环遍历所有行并添加到列表 if(cursor.moveToFirst()){ 做{ 位置站位置站=新位置站(); pos_station.setOrder(cursor.getString(1)); pos_station.setLibelle(cursor.getString(2)); pos_station.setPosX(cursor.getString(3)); pos_station.setPosY(cursor.getString(4)); //向列表中添加位置 合作列表。添加(pos_站); }while(cursor.moveToNext()); } cursor.close(); db.close(); //返回联系人列表 返回合作列表; } }
我的主要活动就像我想把数据放入数据库一样Android 合作伙伴; } //获取所有posx、posy和信息 公共阵列列表getAllPos_info(){ ArrayList coordList=新的ArrayList(); //选择所有查询 String selectQuery=“SELECT*FROM”+表格位置; SQLiteDatabase db=this.getWritableDatabase(); Cursor Cursor=db.rawQuery(selectQuery,null); //循环遍历所有行并添加到列表 if(cursor.moveToFirst()){ 做{ 位置站位置站=新位置站(); pos_station.setOrder(cursor.getString(1)); pos_station.setLibelle(cursor.getString(2)); pos_station.setPosX(cursor.getString(3)); pos_station.setPosY(cursor.getString(4)); //向列表中添加位置 合作列表。添加(pos_站); }while(cursor.moveToNext()); } cursor.close(); db.close(); //返回联系人列表 返回合作列表; } },android,sqlite,Android,Sqlite,我的主要活动就像我想把数据放入数据库一样 DatabaseHandlerStation db_pos_station= new DatabaseHandlerStation(this); JSONArray jsonArret = new JSONArray(Data); for(int i=0;i < jsonArret.length();i++) { JSONObject json
DatabaseHandlerStation db_pos_station= new DatabaseHandlerStation(this);
JSONArray jsonArret = new JSONArray(Data);
for(int i=0;i < jsonArret.length();i++) {
JSONObject jsonobj = jsonArret.getJSONObject(i);
String order=jsonobj.getString(TAG_ORDER);
String libel=jsonobj.getString(TAG_LIBELLE);
String posx=jsonobj.getString(TAG_POSX_STATION);
String posy=jsonobj.getString(TAG_POSY_STATION);
db_pos_station.addPosition(new Position_Station(order,libel,posx,posy));
DatabaseHandlerStation db\u pos\u station=新的DatabaseHandlerStation(此);
JSONArray jsonArret=新的JSONArray(数据);
for(int i=0;i
谢谢
顺序
是一个SQL关键字。重命名列,或在中引用它“双引号”顺序是一个保留的SQL字,重命名条目,它将正常工作顺序是保留字。。。。。
public class DatabaseHandlerStation extends SQLiteOpenHelper {
// Database Version
private static final int DATABASE_VERSION = 2;
// Database Name
private static final String DATABASE_NAME = "POSITIONSSTATIONMANAGER";
// Contacts table name
private static final String TABLE_POSITIONS = "position_arret";
// Table Columns names
private static final String KEY_ID = "id";
private static final String KEY_LIBELLE = "libelle";
private static final String KEY_ORDER="order";
private static final String KEY_POSX = "posx";
private static final String KEY_POSY="posy";
public DatabaseHandlerStation(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
// Creating Tables
@Override
public void onCreate(SQLiteDatabase db) {
String CREATE_CONTACTS_TABLE = "CREATE TABLE " + TABLE_POSITIONS + "("
+ KEY_ID + " INTEGER PRIMARY KEY,"
+ KEY_ORDER + " TEXT,"
+ KEY_LIBELLE + " TEXT,"
+ KEY_POSX + " TEXT,"
+ KEY_POSY + " TEXT" +")";
db.execSQL(CREATE_CONTACTS_TABLE);
}
// Upgrading database
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// Drop older table if existed
db.execSQL("DROP TABLE IF EXISTS " + TABLE_POSITIONS);
// Create tables again
onCreate(db);
}
/**
* All CRUD(Create, Read, Update, Delete) Operations
*/
//delete all rows in table
public void deleteAll()
{
SQLiteDatabase db = this.getWritableDatabase();
db.delete(TABLE_POSITIONS,null,null);
// db.execSQL("DROP TABLE IF EXISTS " + TABLE_POSITIONS);
// db.execSQL("TRUNCATE TABLE " + TABLE_POSITIONS);
db.close();
}
// Adding new position
void addPosition(Position_Station p_station) {
SQLiteDatabase db = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(KEY_ORDER, p_station.getOrder());
values.put(KEY_LIBELLE, p_station.getLibelle());
values.put(KEY_POSX, p_station.getPosX()); // Laltitude Pos x
values.put(KEY_POSY, p_station.getPosY()); // Longitude Pos y
// Inserting Row
db.insert(TABLE_POSITIONS, null, values);
db.close(); // Closing database connection
}
// Getting All Positions
public List<Position_Station> getAllPositions() {
List<Position_Station> positionList = new ArrayList<Position_Station>();
// Select All Query
String selectQuery = "SELECT * FROM " + TABLE_POSITIONS;
SQLiteDatabase db = this.getWritableDatabase();
Cursor cursor = db.rawQuery(selectQuery, null);
// looping through all rows and adding to list
if (cursor.moveToFirst()) {
do {
Position_Station pos_station = new Position_Station();
pos_station.setID(Integer.parseInt(cursor.getString(0)));
pos_station.setOrder(cursor.getString(1));
pos_station.setLibelle(cursor.getString(2));
pos_station.setPosX(cursor.getString(3));
pos_station.setPosX(cursor.getString(4));
// Adding contact to list
positionList.add(pos_station);
} while (cursor.moveToNext());
}
cursor.close();
db.close();
// return contact list
return positionList;
}
// Updating single position
public int updatePosition_Station(Position_Station position) {
SQLiteDatabase db = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(KEY_ORDER, position.getOrder());
values.put(KEY_LIBELLE, position.getLibelle());
values.put(KEY_POSX, position.getPosX());
values.put(KEY_POSY, position.getPosY());
// updating row
return db.update(TABLE_POSITIONS, values, KEY_ID + " = ?",
new String[] { String.valueOf(position.getID()) });
}
// Deleting single position
public void deletePosition(Position_Station position) {
SQLiteDatabase db = this.getWritableDatabase();
db.delete(TABLE_POSITIONS, KEY_ID + " = ?",
new String[] { String.valueOf(position.getID()) });
db.close();
}
// Getting Positions Count
public int getPositionsCount() {
String countQuery = "SELECT * FROM " + TABLE_POSITIONS;
int i;
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery(countQuery, null);
i=cursor.getCount();
cursor.close();
// return count
return i;
}
// Getting all posx and posy
public ArrayList<LatLng> getAllPos() {
ArrayList<LatLng> coordList = new ArrayList<LatLng>();
// Select All Query
String selectQuery = "SELECT * FROM " + TABLE_POSITIONS;
SQLiteDatabase db = this.getWritableDatabase();
Cursor cursor = db.rawQuery(selectQuery, null);
// looping through all rows and adding to list
if (cursor.moveToFirst()) {
do {
// Position position = new Position();
// position.setPosX(cursor.getString(1));
// position.setPosY(cursor.getString(2));
// Adding position to list
coordList.add(new LatLng(Double.parseDouble(cursor.getString(3))
,Double.parseDouble(cursor.getString(4))));
} while (cursor.moveToNext());
}
cursor.close();
db.close();
// return contact list
return coordList;
}
// Getting all posx, posy, and information
public ArrayList<Position_Station> getAllPos_info() {
ArrayList<Position_Station> coordList = new ArrayList<Position_Station>();
// Select All Query
String selectQuery = "SELECT * FROM " + TABLE_POSITIONS;
SQLiteDatabase db = this.getWritableDatabase();
Cursor cursor = db.rawQuery(selectQuery, null);
// looping through all rows and adding to list
if (cursor.moveToFirst()) {
do {
Position_Station pos_station = new Position_Station();
pos_station.setOrder(cursor.getString(1));
pos_station.setLibelle(cursor.getString(2));
pos_station.setPosX(cursor.getString(3));
pos_station.setPosY(cursor.getString(4));
// Adding position to list
coordList.add(pos_station);
} while (cursor.moveToNext());
}
cursor.close();
db.close();
// return contact list
return coordList;
}
}
DatabaseHandlerStation db_pos_station= new DatabaseHandlerStation(this);
JSONArray jsonArret = new JSONArray(Data);
for(int i=0;i < jsonArret.length();i++) {
JSONObject jsonobj = jsonArret.getJSONObject(i);
String order=jsonobj.getString(TAG_ORDER);
String libel=jsonobj.getString(TAG_LIBELLE);
String posx=jsonobj.getString(TAG_POSX_STATION);
String posy=jsonobj.getString(TAG_POSY_STATION);
db_pos_station.addPosition(new Position_Station(order,libel,posx,posy));