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                當我們了解了如何使用mysql_query進行數據查詢以后,那么類似的,插入數據其實也是通過執行一個sql語句來實現,例如: ~~~ $sql = "insert into user(name, age, class) values('李四', 18, '高三一班')"; mysql_query($sql); //執行插入語句 ~~~ 通常數據都是存儲在變量或者數組中,因此sql語句需要先進行字符串拼接得到。 ~~~ $name = '李四'; $age = 18; $class = '高三一班'; $sql = "insert into user(name, age, class) values('$name', '$age', '$class')"; mysql_query($sql); //執行插入語句 ~~~ 在mysql中,執行插入語句以后,可以得到自增的主鍵id,通過PHP的mysql_insert_id函數可以獲取該id。 `$uid = mysql_insert_id();` 這個id的作用非常大,通常可以用來判斷是否插入成功,或者作為關聯ID進行其他的數據操作。
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