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点击提交按钮，php怎样把html表单里的内容发送到数据库？求代码，因为是新手，对这个不懂。谢谢
1.建数据库
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2.建表单页
3.链接数据库，读取提交字段，插入语句插入数据库
php表单写入mysql数据库的代码
!--表单文件，拷入index.php--
!DOCTYPE html
html
head
style
label{display:inline-block;width:100px;margin-bottom:10px;}
/style
titleAdd students/title
/head
body
!-- 数据库用mysqli 面向过程调用方法--
form method="post" action="write2db.php"
!--数据库用mysqli 面向过程调用方法
form method="post" action="write2db_sqlio.php"
--
!--数据库用PDO调用方法
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
//拷贝命名为write2db.php,数据库用mysqli 面向过程调用方法
//print_r($_POST);
// create a variable
$first_name=$_POST['first_name'];
$last_name=$_POST['last_name'];
$department=$_POST['department'];
$email=$_POST['email'];
//调试用
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($connect);
?
?php
//拷贝命名为write2db_sqlio.php,数据库用mysqli 面向对象调用方法
//print_r($_POST);
// create a variable
$first_name=$_POST['first_name'];
$last_name=$_POST['last_name'];
$department=$_POST['department'];
$email=$_POST['email'];
//调试用
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;
}
$conn-close();
?
?php
//拷贝为文件write2db_pdo.php,数据库用PDO调用方法
//print_r($_POST);
a variable
$first_name=$_POST['first_name'];
$last_name=$_POST['last_name'];
$department=$_POST['department'];
$email=$_POST['email'];
//调试用
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();
}
$conn = null;
?
--创建数据库test, 将此文件存为test.sql 导入数据库，或者手动创建表结构
-- phpMyAdmin SQL Dump
-- version 4.7.4
--
--
-- Host: 127.0.0.1:3306
-- Generation Time: Mar 12, 2018 at 04:04 AM
-- Server version: 5.7.19
-- PHP Version: 7.1.9
SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET AUTOCOMMIT = 0;
START TRANSACTION;
SET time_zone = "+00:00";
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;
--
-- Database: `test`
--
-- --------------------------------------------------------
--
-- Table structure for table `student`
--
DROP TABLE IF EXISTS `student`;
CREATE TABLE IF NOT EXISTS `student` (
`id` tinyint(3) UNSIGNED NOT NULL AUTO_INCREMENT,
`first_name` varchar(20) NOT NULL,
`last_name` varchar(20) NOT NULL,
`department` varchar(50) NOT NULL,
`email` varchar(50) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
--
-- Dumping data for table `student`
--
INSERT INTO `student` (`id`, `first_name`, `last_name`, `department`, `email`) VALUES
(1, 'first1', 'last1', 'cs', '1985@qq点抗 ');
COMMIT;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
PHP 表单 提交数据到mysql
PHP 提交表单，然后保存数据库示例：
1.sql脚本：
create database company;
use company;
create table employee(
id int(11) not null primary key auto_increment,
emp_name varchar(20) not null,
emp_no varchar(30) not null,
emp_job varchar(50)
);
2.index.php代码：
?php
header("Content-type:text/html;charset=utf-8;");
//判断是否提交表单
if(isset($_POST['btn'])){
//连接数据库
$conn=mysql_connect("localhost","root","root");
if(!$conn){
die("数据库连接错误！".mysql_error());
}
mysql_select_db("company");
mysql_query("set names utf8");
//获取表单提交元素
$emp_name=$_POST['emp_name'];
$emp_no=$_POST['emp_no'];
$emp_job=$_POST['emp_job'];
//验证表单元素，然后入库操作
if($emp_name $emp_no $emp_job){
$sql="insert into employee
(emp_name,emp_no,emp_job)
values
('{$emp_name}','{$emp_no}','{$emp_job}')
";
$int=mysql_query($sql);
$suc_msg="font color='green'数据插入成功! /fonta href='javascript:history.go(-1);' 返回 /a";
$err_msg="数据插入失败";
exit ($int?$suc_msg:$err_msg);
}else{
exit ("提交数据全部为必填项！");
}
}
?
html
head
titlePHP 表单提交示例/title
meta http-equiv="content-type" content="text/html;charset=utf-8" /
/head
body
form id="myform" action="?php echo $_SERVER['PHP_SELF'] ?" method="post"
员工姓名：input name="emp_name" type="text"/br/
工号：input name="emp_no" type="text"/br/
工作职责：input name="emp_job" type="text"/br/
input name="btn" type="submit" value="提交表单"/br/
/form
/body
/html
3.运行效果：
由网页提交的表单提交写入数据库 PHP源代码该怎么写
把下面的代码保存为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
新闻名称：php表单提交数据库源码 php表单系统开源
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