NSLog(@"Failed to open database"); } ``` 2. 执行SQL语句: ```objc NSString *sql = @"CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY, name TEXT)"; BOOL success = [db executeUpdate:sql]; if (!...
NSLog(@"Failed to open database"); } ``` 2. **SQL语句执行**:`FMDatabase`提供了`executeQuery:withArgumentsInArray:`方法来执行查询语句,`executeUpdate:`用于执行更新、插入或删除语句。例如,创建表:...
NSLog(@"Failed to open database"); return; } // 创建表 BOOL success = [db executeUpdate:@"CREATE TABLE IF NOT EXISTS Users (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER)"]; if (!...
NSLog(@"Failed to open database."); } ``` #### 3.2 执行SQL语句 - **执行DDL语句**(创建表): ```objc [db executeUpdate:@"CREATE TABLE IF NOT EXISTS myTable (id INTEGER PRIMARY KEY AUTOINCREMENT, ...
NSLog(@"Failed to open db"); } ``` 3. **执行SQL语句**: ```objc [db executeUpdate:@"CREATE TABLE IF NOT EXISTS myTable (id INTEGER PRIMARY KEY, name TEXT)"]; [db executeUpdate:@"INSERT INTO ...
// always check the last request in case the page failed to load // click the login link and click it browser.Log("First we need to log in, so browse to the login ...
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NSLog(@"Failed to open database"); } ``` 2. 执行SQL语句: ```objc NSString *sql = @"CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY, name TEXT)"; BOOL success = [db executeUpdate:sql]; if (!...
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NSLog(@"Failed to open database"); return; } // 创建表 BOOL success = [db executeUpdate:@"CREATE TABLE IF NOT EXISTS Users (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER)"]; if (!...
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// always check the last request in case the page failed to load // click the login link and click it browser.Log("First we need to log in, so browse to the login ...