PHP+MySQL教程(4):MySQL Insert Into_MySQL
Jun 01, 2016 pm 01:57 PM??? INSERT INTO 語句用于向數(shù)據(jù)庫表中插入新紀(jì)錄。
向數(shù)據(jù)庫表插入數(shù)據(jù)
INSERT INTO 語句用于向數(shù)據(jù)庫表添加新紀(jì)錄。
語法
INSERT INTO table_name
VALUES (value1, value2,....)
您還可以規(guī)定希望在其中插入數(shù)據(jù)的列:
INSERT INTO table_name (column1, column2,...)
VALUES (value1, value2,....)
注釋:SQL 語句對大小寫不敏感。INSERT INTO 與 insert into 相同。
為了讓 PHP 執(zhí)行該語句,我們必須使用 mysql_query() 函數(shù)。該函數(shù)用于向 MySQL 連接發(fā)送查詢或命令。
例子
在前面的章節(jié),我們創(chuàng)建了一個名為 "Person" 的表,有三個列:"Firstname", "Lastname" 以及 "Age"。我們將在本例中使用同樣的表。下面的例子向 "Person" 表添加了兩個新紀(jì)錄:
$con = mysql_connect("localhost","peter","abc123");
if (!$con)
? {
? die('Could not connect: ' . mysql_error());
? }
mysql_select_db("my_db", $con);
mysql_query("INSERT INTO person (FirstName, LastName, Age)
VALUES ('Peter', 'Griffin', '35')");
mysql_query("INSERT INTO person (FirstName, LastName, Age)
VALUES ('Glenn', 'Quagmire', '33')");
mysql_close($con);
?>
把來自表單的數(shù)據(jù)插入數(shù)據(jù)庫
現(xiàn)在,我們創(chuàng)建一個 HTML 表單,這個表單可把新紀(jì)錄插入 "Person" 表。
這是這個 HTML 表單:
當(dāng)用戶點(diǎn)擊上例中 HTML 表單中的提交按鈕時,表單數(shù)據(jù)被發(fā)送到 "insert.php"。"insert.php" 文件連接數(shù)據(jù)庫,并通過 $_POST 變量從表單取回值。然后,mysql_query() 函數(shù)執(zhí)行 INSERT INTO 語句,一條新的記錄會添加到數(shù)據(jù)庫表中。
下面是 "insert.php" 頁面的代碼:
$con = mysql_connect("localhost","peter","abc123");
if (!$con)
? {
? die('Could not connect: ' . mysql_error());
? }
mysql_select_db("my_db", $con);
$sql="INSERT INTO person (FirstName, LastName, Age)
VALUES
('$_POST[firstname]','$_POST[lastname]','$_POST[age]')";
if (!mysql_query($sql,$con))
? {
? die('Error: ' . mysql_error());
? }
echo "1 record added";
mysql_close($con)
?>

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