我已经准备好更新sqlite语句了..但我对从uitextview获取文本并更新它感到困惑..我想使用uibutton更新它..创建sql语句后我该如何继续???有点迷路..任何新的解决方案都值得赞赏..
- (void) saveAllData {
if(isDirty) {
if(updateStmt == nil) {
const char *sql = "update Snap Set snapTitle = ?, snapDesc = ?, Where snapID = ?";
if(sqlite3_prepare_v2(database, sql, -1, &updateStmt, NULL) != SQLITE_OK)
NSAssert1(0, @"Error while creating update statement. '%s'", sqlite3_errmsg(database));
}
sqlite3_bind_text(updateStmt, 1, [snapTitle UTF8String], -1, SQLITE_TRANSIENT);
sqlite3_bind_text(updateStmt, 2, [snapDescription UTF8String], -2, SQLITE_TRANSIENT);
sqlite3_bind_int(updateStmt, 3, snapID);
if(SQLITE_DONE != sqlite3_step(updateStmt))
NSAssert1(0, @"Error while updating. '%s'", sqlite3_errmsg(database));
sqlite3_reset(updateStmt);
isDirty = NO;
}
//Reclaim all memory here.
[snapTitle release];
snapTitle = nil;
[snapDescription release];
snapDescription = nil;
//isDetailViewHydrated = NO;
}
}