1:首先要使用PHP的超全局變量 $_GET 和 $_POST 用于收集表單數(shù)據(jù)(form-data)
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2:然后使用INSERT INTO 語句用于向數(shù)據(jù)庫表中插入新記錄。
具體示例:
(1)首先創(chuàng)建了一個(gè)名為 "Persons" 的表,有三個(gè)列:"Firstname", "Lastname" 以及 "Age"。
?php
$con?=?mysql_connect("localhost","peter","abc123");
if?(!$con)
{
die('Could?not?connect:?'?.?mysql_error());
}
mysql_select_db("my_db",?$con);
mysql_query("INSERT?INTO?Persons?(FirstName,?LastName,?Age)?
VALUES?('Peter',?'Griffin',?'35')");
mysql_query("INSERT?INTO?Persons?(FirstName,?LastName,?Age)?
VALUES?('Glenn',?'Quagmire',?'33')");
mysql_close($con);
?
(2)其次創(chuàng)建一個(gè) HTML 表單,這個(gè)表單可把新記錄插入 "Persons" 表。
html
body
form?action="insert.php"?method="post"
Firstname:?input?type="text"?name="firstname"?/
Lastname:?input?type="text"?name="lastname"?/
Age:?input?type="text"?name="age"?/
input?type="submit"?/
/form
/body
/html
(3)接著當(dāng)用戶點(diǎn)擊上例中 HTML 表單中的提交按鈕時(shí),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(huì)添加到數(shù)據(jù)庫表中。
?php
$con?=?mysql_connect("localhost","peter","abc123");
if?(!$con)
{
die('Could?not?connect:?'?.?mysql_error());
}
mysql_select_db("my_db",?$con);
$sql="INSERT?INTO?Persons?(FirstName,?LastName,?Age)
VALUES
('$_POST[firstname]','$_POST[lastname]','$_POST[age]')";
if?(!mysql_query($sql,$con))
{
die('Error:?'?.?mysql_error());
}
echo?"1?record?added";
mysql_close($con)
?
把下面的代碼保存為post.php
?
$conn = mysql_connect("localhost","11111","22222");
$action = $_POST['action'];
if($action == 'send'){
$username = $_POST['username'];
$password = $_POST['password'];
mysql_select_db("333333",$conn);
$sql = "INSERT INTO player (username,password) VALUES ('$username','$password')";
$result = mysql_query($sql,$conn);
}
?
html
body
form method="post" action="post.php"
input type="text" name="username"
input type="text" name="password"
input type="hidden" name="action" value="send"
input type="submit" name="Submit" value="提交"
/form
/body
/html
表單應(yīng)該使用名字,例如:
form action=xxx.php method=post
select name="select1"
option value="1" selected="selected"男/option
option value="0"女/option
/select
/form
這樣,在xxx.php里面使用$_POST['select1']獲取結(jié)果。
!--表單文件,拷入index.php--
!DOCTYPE?html
html
head
style
label{display:inline-block;width:100px;margin-bottom:10px;}
/style
titleAdd?students/title
/head
body
!--?數(shù)據(jù)庫用mysqli?面向過程調(diào)用方法--
form?method="post"?action="write2db.php"
!--數(shù)據(jù)庫用mysqli?面向過程調(diào)用方法
form?method="post"?action="write2db_sqlio.php"
--
!--數(shù)據(jù)庫用PDO調(diào)用方法
form?method="post"?action="write2db_pdo.php"
--
labelFirst?Name/label
input?type="text"?name="first_name"?/
br?/
labelLast?Name/label
input?type="text"?name="last_name"?/
br?/
labeldepartment/label
input?type="text"?name="department"?/
br?/
labelEmail/label
input?type="text"?name="email"?/
br?/
input?type="submit"?value="Add?students"
/form
/body
/html
------------------------------
?php
//拷貝命名為write2db.php,數(shù)據(jù)庫用mysqli?面向過程調(diào)用方法
//print_r($_POST);
//?create?a?variable
$first_name=$_POST['first_name'];
$last_name=$_POST['last_name'];
$department=$_POST['department'];
$email=$_POST['email'];
//調(diào)試用
echo?"Your?input:?";
echo?$first_name;
echo?'br?/';
echo?$last_name;
echo?'br?/';
echo?$department;
echo?'br?/';
echo?$email;
echo?'br?/';
$servername?=?"localhost";
//Your?database?username?and?password
//$username?=?"username";
//$password?=?"password";
$username?=?"tester";
$password?=?"testerPassword";
//your?database?name
$dbname?=?"test";
$tablename?="student";
//?Create?connection
$connect?=?mysqli_connect($servername,?$username,?$password,?$dbname);
if?(!$connect)?{
die("Connection?failed:?"?.?mysqli_connect_error());
}
//Execute?the?query
$sql="INSERT?INTO?$tablename?(first_name,last_name,department,email)
VALUES('$first_name','$last_name','$department','$email')";
if?(mysqli_query($connect,?$sql))?{
echo?"Hooray!?New?record?is?inserted?to?database?successfully.?Please?check?database.";
}?else?{
echo?"Error:?"?.?$sql?.?"br?/"?.?mysqli_error($connect);
}
mysqli_close($connect);
?
?php
//拷貝命名為write2db_sqlio.php,數(shù)據(jù)庫用mysqli?面向?qū)ο笳{(diào)用方法
//print_r($_POST);
//?create?a?variable
$first_name=$_POST['first_name'];
$last_name=$_POST['last_name'];
$department=$_POST['department'];
$email=$_POST['email'];
//調(diào)試用
echo?"Your?input:?";
echo?$first_name;
echo?'br?/';
echo?$last_name;
echo?'br?/';
echo?$department;
echo?'br?/';
echo?$email;
echo?'br?/';
$servername?=?"localhost";
//Your?database?username?and?password
//$username?=?"username";
//$password?=?"password";
$username?=?"tester";
$password?=?"testerPassword";
//database?name
$dbname?=?"test";
$tablename?="student";
//?Create?connection
$conn?=?new?mysqli($servername,?$username,?$password,?$dbname);
//?Check?connection
if?($conn-connect_error)?{
die("Connection?failed:?"?.?$conn-connect_error);
}?
$sql="INSERT?INTO?$tablename?(first_name,last_name,department,email)
VALUES('$first_name','$last_name','$department','$email')";
if?($conn-query($sql)?===?TRUE)?{
echo?"New?record?created?successfully";
}?else?{
echo?"Error:?"?.?$sql?.?"br"?.?$conn-error;
}
$conn-close();
?
?php
//拷貝為文件write2db_pdo.php,數(shù)據(jù)庫用PDO調(diào)用方法
//print_r($_POST);
a?variable
$first_name=$_POST['first_name'];
$last_name=$_POST['last_name'];
$department=$_POST['department'];
$email=$_POST['email'];
//調(diào)試用
echo?"Your?input:?";
echo?$first_name;
echo?'br?/';
echo?$last_name;
echo?'br?/';
echo?$department;
echo?'br?/';
echo?$email;
echo?'br?/';
$servername?=?"localhost";
//Your?database?username?and?password
//$username?=?"username";
//$password?=?"password";
$username?=?"tester";
$password?=?"testerPassword";
//your?database?name
$dbname?=?"test";
$tablename?="student";
//?Create?connection
try?{
$conn?=?new?PDO("mysql:host=$servername;dbname=$dbname",?$username,?$password);
//?set?the?PDO?error?mode?to?exception
$conn-setAttribute(PDO::ATTR_ERRMODE,?PDO::ERRMODE_EXCEPTION);
$sql="INSERT?INTO?$tablename?(first_name,last_name,department,email)
VALUES('$first_name','$last_name','$department','$email')";
//?use?exec()?
$conn-exec($sql);
echo?"New?record?created?successfully";
}
catch(PDOException?$e)
{
echo?$sql?.?"br"?.?$e-getMessage();
}
$conn?=?null;
?
--創(chuàng)建數(shù)據(jù)庫test,?將此文件存為test.sql?導(dǎo)入數(shù)據(jù)庫,或者手動(dòng)創(chuàng)建表結(jié)構(gòu)
--?phpMyAdmin?SQL?Dump
--?version?4.7.4
--?
--
--?Host:?127.0.0.1:3306
--?Generation?Time:?Mar?12,?2018?at?04:04?AM
--?Server?version:?5.7.19
--?PHP?Version:?7.1.9
SET?SQL_MODE?=?"NO_AUTO_VALUE_ON_ZERO";
SET?AUTOCOMMIT?=?0;
START?TRANSACTION;
SET?time_zone?=?"+00:00";
/*!40101?SET?@OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT?*/;
/*!40101?SET?@OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS?*/;
/*!40101?SET?@OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION?*/;
/*!40101?SET?NAMES?utf8mb4?*/;
--
--?Database:?`test`
--
--?--------------------------------------------------------
--
--?Table?structure?for?table?`student`
--
DROP?TABLE?IF?EXISTS?`student`;
CREATE?TABLE?IF?NOT?EXISTS?`student`?(
`id`?tinyint(3)?UNSIGNED?NOT?NULL?AUTO_INCREMENT,
`first_name`?varchar(20)?NOT?NULL,
`last_name`?varchar(20)?NOT?NULL,
`department`?varchar(50)?NOT?NULL,
`email`?varchar(50)?NOT?NULL,
PRIMARY?KEY?(`id`)
)?ENGINE=MyISAM?AUTO_INCREMENT=2?DEFAULT?CHARSET=utf8;
--
--?Dumping?data?for?table?`student`
--
INSERT?INTO?`student`?(`id`,?`first_name`,?`last_name`,?`department`,?`email`)?VALUES
(1,?'first1',?'last1',?'cs',?'1985@qq.com');
COMMIT;
/*!40101?SET?CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT?*/;
/*!40101?SET?CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS?*/;
/*!40101?SET?COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION?*/;
文章題目:php表單數(shù)據(jù)輸入代碼 php如何用表格輸出數(shù)據(jù)庫
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