IOS之数据库的查找,删除,添加,更新(4)
来源:未知 责任编辑:责任编辑 发表时间:2013-12-22 14:54 点击:次
int result = sqlite3_prepare(db, "select * from classDB where name = ?", -1, &stmt, nil);
NSMutableArray *persons = nil;
if (result == SQLITE_OK)
{
sqlite3_bind_text(stmt, 1, [name UTF8String], -1, nil);
persons = [[NSMutableArray alloc]init];
while (sqlite3_step(stmt) == SQLITE_ROW)
{
int ID = sqlite3_column_int(stmt, 0);
const unsigned char *name = sqlite3_column_text(stmt, 1);
const unsigned char *phone = sqlite3_column_text(stmt, 2);
int age = sqlite3_column_int(stmt, 3);
Person *p = [[Person alloc]initWithName:[NSString stringWithUTF8String:(const char *)name] phone:[NSString stringWithUTF8String:(const char *)phone] age:age ID:ID];
[persons addObject:p];
[p release];
}
}
else
{
persons = [[NSMutableArray alloc]init];
}
sqlite3_finalize(stmt);
return [persons autorelease];
}
//添加元素
+(void)addName:(NSString *)name phone:(NSString *)phone age:(int)age
{
NSString *str = [NSString stringWithFormat:@"insert into classDB(name,phone,age) values('%@','%@',%d)",name,phone,age];
sqlite3 *db = [DB openDB];
sqlite3_stmt *stmt = nil;
int result = sqlite3_prepare_v2(db, [str UTF8String],-1 ,&stmt , nil);
if (result == SQLITE_OK)
{
sqlite3_step(stmt);
}
sqlite3_finalize(stmt);
}
//根据ID删除信息
相关新闻>>
- 发表评论
-
- 最新评论 进入详细评论页>>
今日头条
更多>>您可能感兴趣的文章
- 深入理解iPhone静态库(手把手教你iphone开发
- ios 关于UITableView UITableViewCellAccessoryCheckmark 混乱的
- iPhone开发 文件的增加删除查询
- iphone-使用TextField及关闭键盘(useing TextField for in
- (iOS-iap防护)验证用户付费收据,拒绝iap
- Cocoa Core Competencies 的Object creation 和IOS面试题示例
- iphone开发基础三和c语言混编
- iPhone开发 调用阿asp.net程序的webservice
- iOS文件存磁盘的设想
- ios 时间定时器 NSTimer应用demo
新闻点评
新闻关注排行榜
热门推荐
最新推荐