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Ê×ÏÈÒªÒýÈëSQLite3.0µÄlib¿â¡£È»ºó°üº¬Í·Îļþ#import <sqlite3.h>
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sqlite3* database_;
-(BOOL) open{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *path = [documentsDirectory stringByAppendingPathComponent:@"mydb.sql"];
NSFileManager *fileManager = [NSFileManager defaultManager];
BOOL find = [fileManager fileExistsAtPath:path];
//ÕÒµ½Êý¾Ý¿âÎļþmydb.sql
if (find) {
NSLog(@"Database file have already existed.");
if(sqlite3_open([path UTF8String], &database_) != SQLITE_OK) {
sqlite3_close(database_);
NSLog(@"Error: open database file.");
return NO;
}
return YES;
}
if(sqlite3_open([path UTF8String], &database_) == SQLITE_OK) {
bFirstCreate_ = YES;
[self createChannelsTable
:database_];//ÔÚºóÃæʵÏÖº¯ÊýcreateChannelsTable
return YES;
} else {
sqlite3_close(database_);
NSLog(@"Error: open database file.");
return NO;
}
 
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