Unity3d ʹÓÃsqliteÊý¾Ý¿â
dbAccess.js
import System.Data; // we import our data class
import Mono.Data.SqliteClient; // we import our sqlite client
class dbAccess {
// variables for basic query access
private var connection : String;
private var dbcon : IDbConnection;
private var dbcmd : IDbCommand;
private var reader : IDataReader;
function OpenDB(p : String){
connection = "URI=file:" + p; // we set the connection to our database
dbcon = new SqliteConnection(connection);
dbcon.Open();
}
function BasicQuery(q : String, r : boolean){ // run a baic Sqlite query
dbcmd = dbcon.CreateCommand(); // create empty command
dbcmd.CommandText = q; // fill the command
reader = dbcmd.ExecuteReader(); // execute command which returns a reader
if(r){ // if we want to return the reader
return reader; // return the reader
}
}
function CreateTable(name : String, col : Array, colType : Array){ // Create a table, name, column array, column type array
var query : String;
query = "CREATE TABLE " + name + "(" + col[0] + " " + colType[0];
for(var i=1; i<col.length; i++){
query += ", " + col[i] + " " + colType[i];
}
query += ")";
dbcmd = dbcon.CreateCommand(); // create empty command
dbcmd.CommandText = query; // fill the command
reader = dbcmd.ExecuteReader(); // execute command which returns a reader
}
function InsertIntoSingle(tableName : String, colName : String, value : String){ // single insert
var query : String;
query = "INSERT INTO " + tableName + "(" + colName + ") " + "VALUES (" + value + ")";
dbcmd = dbcon.CreateCommand(); // create empty command
dbcmd.CommandText = query; // fill the command
reader = dbcmd.ExecuteReader(); // execute command which returns a reader
}
function InsertIntoSpecific
Ïà¹ØÎĵµ£º
.dump ?TABLE? ... ÒÔSQLÓï¾ä·½Ê½ÏÔʾ±íµÄ½á¹¹¡£È磺
sqlite> .dump websties
BEGIN TRANSACTION;
COMMIT;
sqlite> .dump websites
BEGIN TRANSACTION;
CREATE TABLE [websites] (
[WebID] INTEGER NOT NULL PRIMARY KEY,
[WebName] VARCHAR(20) NULL
);
INSERT INTO "websites" VALUES(1,'CTOChina.net'); ......
Ò»°ãÊý¾Ý²ÉÓõĹ̶¨µÄ¾²Ì¬Êý¾ÝÀàÐÍ£¬¶øSQLite²ÉÓõÄÊǶ¯Ì¬Êý¾ÝÀàÐÍ£¬»á¸ù¾Ý´æÈëÖµ×Ô¶¯Åжϡ£SQLite¾ßÓÐÒÔÏÂÎåÖÖÊý¾ÝÀàÐÍ£º
1.NULL£º¿ÕÖµ¡£
2.INTEGER£º´ø·ûºÅµÄÕûÐÍ£¬¾ßÌåÈ¡¾öÓдæÈëÊý×ֵķ¶Î§´óС¡£
3.REAL£º¸¡µãÊý×Ö£¬´æ´¢Îª8-byte IEEE¸¡µãÊý¡£
4.TEXT£º×Ö·û´®Îı¾¡£
5.BLOB£º¶þ½øÖƶÔÏó¡£
ת×Ô£ºhttp://www.cnblo ......
SQLiteÊý¾Ý¿âµÄÌåϵ½á¹¹(·Òë×Ôsqlite.org)
1 ¼ò½é
±¾ÎĵµÃèÊöÁËSQLite¿âµÄÌåϵ½á¹¹£¬ÕâЩÐÅÏ¢¶ÔÄÇЩÏëÀí½âºÍÐÞ¸ÄSQLiteµÄÄÚ²¿¹¤×÷»úÖÆµÄÈËÊÇÓÐÓõġ£
±¾ÎĵµÃèÊöSQLite 3.0°æ±¾£¬2.8°æ»ò¸üÔçÆÚµÄ°æ±¾Óë´ËÏàËÆ£¬Ö»ÊÇϸ½ÚÉÏÓÐËù²»Í¬¡£
2 ½Ó¿Ú
......
sqlite-3.3.6±àÒë°²×°Óë½»²æ±àÒëÈ«¹ý³ÌÏêϸ¼Ç¼
ÏÂÎĽéÉܵÄÄÚÈݶ¼ÊÇ»ùÓÚ Linux RedHat 9.0 ƽ̨µÄ¡£
Ò»¡¢PC»ú±àÒë°²×°
ÇëÔĶÁÔÚ°²×°°üÀïµÄ INSTALL Îļþ¡£»òÕßʹÓÃPEAR installer with "pear install sqlite"¡£SQLiteÒѾÄÚÖÃÁË£¬Äã²»ÐèÒª°²×°Èκθ½¼ÓµÄÈí¼þ£¨additional software£©¡£
Windows users¿ÉÒÔÏÂÔØSQLiteÀ©Õ¹ ......
Ò»¡¢SQLite¼ò½é
SQLite ÊÇÓÃCÓïÑÔ±àдµÄ¿ªÔ´Êý¾Ý¿â£¬Ö÷ÒªÓÃÓÚǶÈëʽ£¬ÄãÒ²¿ÉÒÔ°ÑËü¼¯³ÉÔÚ×Ô¼ºµÄ×ÀÃæ³ÌÐòÖУ¬Ò²ÓÐÈ˽«ÆäÌæ´úAccess£¬ÓÃ×÷ºǫ́Êý¾Ý¿â¡£
SQLite Ö§³Ö¶àÊýSQL92±ê×¼£¬ÀýÈ磺Ë÷Òý¡¢ÏÞÖÆ¡¢´¥·¢ºÍ²é¿´Ö§³Ö¡£
Ö§³Ö NULL¡¢INTEGER¡¢REAL¡¢TEXT ºÍ BLOB Êý¾ÝÀàÐÍ£¬Ö§³ÖÊÂÎñ¡£
¶þ¡¢ÏÂÔØSQLite
SQLite¿ÉÒÔµ½¹Ù·½Õ¾µ ......