iphone-common-codes-ccteam源代码 CCSqlite3.m

//  
//  CCSqlite3.m  
//  CCFC  
//  
//  Created by xichen on 11-12-18.  
//  Copyright 2011 ccteam. All rights reserved.  
//
  
  
#import "CCSqlite3.h"  
  
  
  
  
@implementation CCSqlite3  
  
  
@synthesize delegate = _delegate;  
@synthesize statement = _statement;  
  
  
- (id)initWithSqliteDBFullPath:(NSString *)dbFullPath  
{  
        self = [super init];  
        int ret;  
        if(self)  
        {  
                ret = sqlite3_open([dbFullPath UTF8String], &_db);  
                if(ret != SQLITE_OK)  
                        return nil;  
        }  
        return self;  
}  
  
  
- (void)dealloc  
{  
        [_sql release];  
        sqlite3_close(_db);  
        [super dealloc];  
}  
  
  
- (void)setSql:(NSString *)sql  
{  
        if(_sql != sql)  
        {  
                [_sql release];  
                _sql = [sql copy];  
        }  
}  
  
  
- (BOOL)prepare  
{  
        return (sqlite3_prepare_v2(_db, [_sql UTF8String], -1, &_statement, NULL) == SQLITE_OK);  
}  
  
  
- (void)getData  
{  
        while (sqlite3_step(_statement) == SQLITE_ROW)  
        {  
                ++_row;  
                [_delegate onCCSqlite3AnotherRowOK:self withRow:_row];  
        }  
}  
  
  
- (void)end  
{  
        sqlite3_finalize(_statement);  
}  
  
  
// set so, we can get the random results  
- (void)setRandomReturns:(int)n  
{  
        NSString *temp = [NSString stringWithFormat:@" order by random() limit %d", n];  
        NSString *final = [_sql stringByAppendingString:temp];  
        [self setSql:final];  
}  
  
  
// if set so, the sqlite will returns the rowCount row data, which starts from argument start.  
- (void)setNRowsFrom:(int)start withRowCount:(int)rowCount  
{  
        NSString *temp = [NSString stringWithFormat:@" limit %d,%d", start, rowCount];  
        NSString *final = [_sql stringByAppendingString:temp];  
        [self setSql:final];  
}  
  
  
@end 

 

可能有更新:

googlecode链接地址：http://code.google.com/p/iphone-common-codes-ccteam/source/browse/trunk/CCFC/files/CCSqlite3.m

github地址: https://github.com/cxsjabc/iphone-common-codes-ccteam/tree/master/CCFC/files/CCSqlite3.m