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Addition, deletion, modification and query of ThinkPHP database
2022-07-07 09:40:00 【qq_ forty-two million three hundred and seven thousand five hun】
chuangjian database thinkphp
The table is comm
Configuration database configuration file
Application/Common/config.php
<?php
return array(
//' Configuration item '=>' Configuration values '
'DB_TYPE' => 'mysql', // Database type
'DB_HOST' => 'localhost', // Server address
'DB_NAME' => 'thinkphp', // Database name
'DB_USER' => 'php', // user name
'DB_PWD' => '123456', // password
'DB_PORT' => '3306', // port
'DB_PREFIX' => '', // Database table prefix
'DB_PARAMS' => array(), // Database connection parameters
'DB_DEBUG' => TRUE, // Database debugging mode After opening, it can record SQL journal
'DB_FIELDS_CACHE' => true, // Enable field caching
'DB_CHARSET' => 'utf8', // The database encoding defaults to utf8
'DB_DEPLOY_TYPE' => 0, // Database deployment :0 Centralized ( Single server ),1 Distributed ( Master slave server )
'DB_RW_SEPARATE' => false, // Is the database read-write separated Master slave is effective
'DB_MASTER_NUM' => 1, // After the separation of reading and writing Number of primary servers
'DB_SLAVE_NO' => '', // Specify the slave server serial number
);
modify Application/Home/Controller/IndexController.class.php
<?php
<?php
namespace Home\Controller;
use Think\Controller;
class IndexController extends Controller {
public function index(){
//$this->display();
$Comm = M('comm'); //
// Instantiation comm object
$limit =C('PAGE_COUNT');// from config.php Take out PAGE_COUNT Value
$count = $Comm->count();// Query the total number of records that meet the requirements
$Page = new \Think\Page($count,25);// Instantiate the paging class The total number of incoming records and the number of records displayed per page (25)
$show = $Page->show();// Page display output
// Paging data query Be careful limit The parameters of the method use Page Attributes of a class
$list = $Comm->order('id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
$this->assign('list',$list);// Assignment data set
$this->assign('page',$show);// Assign value to page output
$this->display();
// Output template
}
public function del(){
$id = I("id");
$Comm = M('comm');
$result = $Comm->where("id=$id")->delete();
$result>0?$this->success(" Delete successful ",U("Home/Index/design"),2):$this->error(" Delete failed ");
}
public function test(){
$this->display("index");;
}
public function edit(){
$ip = get_client_ip();
if(!empty(I("sub"))){
$id = I("id");
$time = date("Y-m-d H:i:s",time());
$data = array(
'ip' => I('ip'),
'title' => I('title'),
'content' => I('content'),
'time' => $time,
);
$Comm = M('comm');
$result = $Comm->where("id=$id")->save($data);
$result>0?$this->success(" The update is successful ",U("Home/Index/design"),2):$this->error(" Update failed ");
}else{
$id = I("id");
// Find out the data
$Comm = M('comm');
$data = $Comm->where("id=$id")->find();// Query and get a piece of data
$this->assign('ip',$ip);
$this->assign('data',$data);
$this->display();
}
}
public function design(){
$Comm = M('comm'); //
// Instantiation comm object
$limit =C('PAGE_COUNT');// from config.php Take out PAGE_COUNT Value
$count = $Comm->count();// Query the total number of records that meet the requirements
$Page = new \Think\Page($count,25);// Instantiate the paging class The total number of incoming records and the number of records displayed per page (25)
$show = $Page->show();// Page display output
// Paging data query Be careful limit The parameters of the method use Page Attributes of a class
$list = $Comm->order('id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
$this->assign('list',$list);// Assignment data set
$this->assign('page',$show);// Assign value to page output
$this->display();
}
public function insert(){
$ip = get_client_ip();
if(!empty(I("sub"))){
// insert data
$title = I('title');
$content=I('content');
$time=date("Y-m-d H:i:s",time());
$data = array(
'ip' =>$ip,
'title' => $title,
'time' => $time,
'content' => $content
);
$Comm = M('comm');
$result = $Comm->add($data);
dump($result);
$result>0?$this->success(" Message success ",U("Home/Index/design"),2):$this->error(" Message failed ");
}else{
$this->assign(ip,$ip);
$this->display();
}
}
}
Modify the template index.html
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title> Write the blog of Lightyear </title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="" />
<meta name="keywords" content="" />
<meta name="author" content="yinqi" />
<link rel="shortcut icon" type="image/x-icon" href="__PUBLIC__/favicon.ico" />
<link rel="stylesheet" type="text/css" href="__PUBLIC__/css/bootstrap.min.css" />
<link rel="stylesheet" type="text/css" href="__PUBLIC__/css/materialdesignicons.min.css" />
<link rel="stylesheet" type="text/css" href="__PUBLIC__/css/style.min.css" />
</head>
<body>
<header class="lyear-header text-center" style="background-image:url(__PUBLIC__/images/left-bg.jpg);">
<div class="lyear-header-container">
<div class="lyear-mask"></div>
<h1 class="lyear-blogger pt-lg-4 mb-0"><a href="index.html"> Write the blog of Lightyear </a></h1>
<nav class="navbar navbar-expand-lg">
<a class="navbar-toggler" data-toggle="collapse" data-target="#navigation" aria-controls="navigation" aria-expanded="false" aria-label="Toggle navigation">
<div class="lyear-hamburger">
<div class="hamburger-inner"></div>
</div>
</a>
<div id="navigation" class="collapse navbar-collapse flex-column">
<div class="profile-section pt-3 pt-lg-0">
<img class="profile-image mb-3 rounded-circle mx-auto" src="images/lyear.png" width="120" height="120" alt=" Light year under the pen " >
<div class="lyear-sentence mb-3"> It must be remembered that our time for study is limited . Time is limited , Not only is life short , More because of the numerous personnel . We should try to spend all our time doing the most useful things .</div>
<hr>
</div>
<ul class="navbar-nav flex-column text-center">
<li class="nav-item active">
<a class="nav-link" href="index.html"> home page </a>
</li>
<li class="nav-item">
<a class="nav-link" href="index.html"> technology </a>
</li>
<li class="nav-item">
<a class="nav-link" href="index.html"> Sentiment </a>
</li>
<li class="nav-item">
<a class="nav-link" href="about.html"> About me </a>
</li>
</ul>
<div class="my-2 my-md-3">
<form class="lyear-search-form form-inline justify-content-center pt-3">
<input type="email" id="semail" name="semail1" class="form-control mr-md-1" placeholder=" Search keywords " />
</form>
</div>
</div>
</nav>
</div>
</header>
<div class="lyear-wrapper">
<section class="mt-5 pb-5">
<div class="container">
<div class="row">
<!-- The article lists -->
<div class="col-xl-8">
<foreach name="list" item="vo">
<article class="lyear-arc">
<div class="arc-header">
<h2 class="arc-title"><a href="post.html">{
$vo.content}</a></h2>
<ul class="arc-meta">
<li><i class="mdi mdi-calendar"></i> {
$vo.time}</li>
<li><i class="mdi mdi-tag-text-outline"></i> <a href="#">{
$vo.title}</a>, <a href="#"> results </a></li>
<li><i class="mdi mdi-comment-multiple-outline"></i> <a href="#">{
$vo.ip} ip</a></li>
</ul>
</div>
<div class="arc-synopsis">
<p>{
$vo.content}</p>
</div>
</article>
</foreach>
<!-- Content end -->
<!-- Sidebar -->
<div class="col-xl-4">
<div class="lyear-sidebar">
<!-- Hot articles -->
<aside class="widget widget-hot-posts">
<div class="widget-title"> Hot articles </div>
<ul>
<li>
<a href="#"> Samsung will be Galaxy Fold The user provides 149 Dollar replacement screen service </a> <span>2019-09-25 10:05</span>
</li>
<li>
<a href="#"> Experts ：10 After year 6G Will come out The data transmission rate is expected to be faster than 5G fast 100 times </a> <span>2019-09-25 08:06</span>
</li>
<li>
<a href="#"> Apple officially released iPadOS 13.1 System , Add a number of powerful new features </a> <span>2019-09-25 09:35</span>
</li>
</ul>
</aside>
<!-- file -->
<aside class="widget">
<div class="widget-title"> file </div>
<ul>
<li><a href="#">2019 March </a> (40)</li>
<li><a href="#">2019 April </a> (08)</li>
<li><a href="#">2019 May </a> (11)</li>
<li><a href="#">2019 June </a> (21)</li>
</ul>
</aside>
<!-- label -->
<aside class="widget widget-tag-cloud">
<div class="widget-title"> label </div>
<div class="tag-cloud">
<a href="#" class="badge badge-light">php</a>
<a href="#" class="badge badge-primary"> Apple </a>
<a href="#" class="badge badge-danger"> The currency </a>
<a href="#" class="badge badge-light">linux</a>
<a href="#" class="badge badge-light"> front end </a>
<a href="#" class="badge badge-light">vue</a>
</div>
</aside>
</div>
</div>
<!-- Sidebar end -->
</div>
</div>
<!-- end container -->
</section>
</div>
__PUBLIC__
<script type="text/javascript" src="__PUBLIC__/js/jquery.min.js"></script>
<script type="text/javascript" src="__PUBLIC__/js/jquery.nicescroll.min.js"></script>
<script type="text/javascript" src="__PUBLIC__/js/bootstrap.min.js"></script>
<script type="text/javascript" src="__PUBLIC__/js/main.min.js"></script>
</body>
</html>
obtain ip Function writing
application/home/Common/functions.php
<?php
function get_client_ip($type = 0)
{
$type = $type ? 1 : 0;
static $ip = NULL;
if ($ip !== NULL) return $ip[$type];
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
$pos = array_search('unknown', $arr);
if (false !== $pos) unset($arr[$pos]);
$ip = trim($arr[0]);
} elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} elseif (isset($_SERVER['REMOTE_ADDR'])) {
$ip = $_SERVER['REMOTE_ADDR'];
}
// IP Address validation
$long = ip2long($ip);
$ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
return $ip[$type];
}
Modify the template application/Home/view/insert.html
<include file="comm/head" />
<!--/sidebar-->
<div class="main-wrap">
<div class="crumb-wrap">
<div class="crumb-list"><i class="icon-font"></i><a href="{:U('Home/Index/index')}"> home page </a><span class="crumb-step">></span><a class="crumb-name" href="{:U('Home/Index/index')}"> Work management </a><span class="crumb-step">></span><span> New works </span></div>
</div>
<div class="result-wrap">
<div class="result-content">
<form action="{:U('Home/Index/insert')}" method="post" id="myform" name="myform" enctype="multipart/form-data">
<table class="insert-tab" width="100%">
<tbody>
<tr>
<th><i class="require-red">*</i> title ：</th>
<td>
<input class="common-text required" id="title" name="title" size="50" value="" type="text">
</td>
</tr>
<th> Content ：</th>
<td><textarea name="content" class="common-textarea" id="content" cols="30" style="width: 98%;" rows="10"></textarea></td>
</tr>
<tr>
<th></th>
<td>
<input class="btn btn-primary btn6 mr10" value=" Submit " type="submit" name="sub">
<input class="btn btn6" onClick="history.go(-1)" value=" return " type="button">
</td>
</tr>
</tbody></table>
</form>
</div>
</div>
</div>
<!--/main-->
</div>
</body>
</html>
{:U(‘Home/Index/insert’)} Here is submit to index Controller insert Method
\Application\Home\Controller\IndexController.class.php
<?php
namespace Home\Controller;
use Think\Controller;
class IndexController extends Controller {
public function index(){
//$this->display();
$Comm = M('comm'); //
// Instantiation comm object
$limit =C('PAGE_COUNT');// from config.php Take out PAGE_COUNT Value
$count = $Comm->count();// Query the total number of records that meet the requirements
$Page = new \Think\Page($count,25);// Instantiate the paging class The total number of incoming records and the number of records displayed per page (25)
$show = $Page->show();// Page display output
// Paging data query Be careful limit The parameters of the method use Page Attributes of a class
$list = $Comm->order('id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
$this->assign('list',$list);// Assignment data set
$this->assign('page',$show);// Assign value to page output
$this->display();
// Output template
}
public function test(){
$this->display("index");;
}
public function design(){
$this->display();
}
public function insert(){
$ip = get_client_ip();
if(!empty(I("sub"))){
// insert data
$title = I('title');
$content=I('content');
$time=date("Y-m-d H:i:s",time());
$data = array(
'ip' =>$ip,
'title' => $title,
'time' => $time,
'content' => $content
);
$Comm = M('comm');
$result = $Comm->add($data);
dump($result);
$result>0?$this->success(" Message success ",U("Home/Index/index"),2):$this->error(" Message failed ");
}else{
$this->assign(ip,$ip);
$this->display();
}
}
}
\Application\Home\view\design.html
<!doctype html>
<html>
<head>
<meta charset="UTF-8"/>
<title> Background management </title>
<link rel="stylesheet" type="text/css" href="__PUBLIC__/css/common.css"/>
<link rel="stylesheet" type="text/css" href="__PUBLIC__/css/main.css"/>
</head>
<body>
<div class="topbar-wrap white">
<div class="topbar-inner clearfix">
<div class="topbar-logo-wrap clearfix">
<h1 class="topbar-logo none"><a href="index.html" class="navbar-brand"> Background management </a></h1>
<ul class="navbar-list clearfix">
<li><a class="on" href="index.html"> home page </a></li>
<li><a href="#" target="_blank"> homepage </a></li>
</ul>
</div>
<div class="top-info-wrap">
<ul class="top-info-list clearfix">
<li><a href="#"> Administrators </a></li>
<li><a href="#"> Change Password </a></li>
<li><a href="#"> sign out </a></li>
</ul>
</div>
</div>
</div>
<div class="container clearfix">
<div class="sidebar-wrap">
<div class="sidebar-title">
<h1> menu </h1>
</div>
<div class="sidebar-content">
<ul class="sidebar-list">
<li>
<a href="#"><i class="icon-font"></i> Common operations </a>
<ul class="sub-menu">
<li><a href="design.html"><i class="icon-font"></i> Work management </a></li>
<li><a href="design.html"><i class="icon-font"></i> Blog management </a></li>
<li><a href="design.html"><i class="icon-font"></i> Classification management </a></li>
<li><a href="design.html"><i class="icon-font"></i> message management </a></li>
<li><a href="design.html"><i class="icon-font"></i> Comment management </a></li>
<li><a href="design.html"><i class="icon-font"></i> link </a></li>
<li><a href="design.html"><i class="icon-font"></i> Advertising management </a></li>
</ul>
</li>
<li>
<a href="#"><i class="icon-font"></i> System management </a>
<ul class="sub-menu">
<li><a href="system.html"><i class="icon-font"></i> System settings </a></li>
<li><a href="system.html"><i class="icon-font"></i> Clean cache </a></li>
<li><a href="system.html"><i class="icon-font"></i> The data backup </a></li>
<li><a href="system.html"><i class="icon-font"></i> Data restore </a></li>
</ul>
</li>
</ul>
</div>
</div>
<!--/sidebar-->
<div class="main-wrap">
<div class="crumb-wrap">
<div class="crumb-list"><i class="icon-font"></i><a href="index.html"> home page </a><span class="crumb-step">></span><span class="crumb-name"> Work management </span></div>
</div>
<div class="result-wrap">
<form name="myform" id="myform" method="post">
<div class="result-content">
<table class="result-tab" width="100%">
<tr>
<th>ID</th>
<th> title </th>
<th>ip</th>
<th> Update time </th>
<th> Content </th>
<th> operation </th>
</tr>
<foreach name="list" item="vo">
<tr>
<td>{
$vo.id}</td>
<td title="{$vo.title}"><a target="_blank" href="#" title="{$vo.title}">{
$vo.title}</a> …
</td>
<td>{
$vo.ip}</td>
<td>{
$vo.time}</td>
<td><p>{
$vo.content}</p></td>
<td>
<a class="link-update" href="#"> modify </a>
<a class="link-del" href="#"> Delete </a>
</td>
</tr>
</foreach>
</table>
<div class="list-page"> 2 strip 1/1 page </div>
</div>
</form>
</div>
</div>
<!--/main-->
</div>
</body>
</html>
Modify the template application/Home/view/edit.html
<include file="comm/head" />
<!--/sidebar-->
<div class="main-wrap">
<div class="crumb-wrap">
<div class="crumb-list"><i class="icon-font"></i><a href="{:U('Home/Index/index')}"> home page </a><span class="crumb-step">></span><a class="crumb-name" href="{:U('Home/Index/index')}"> Work management </a><span class="crumb-step">></span><span> New works </span></div>
</div>
<div class="result-wrap">
<div class="result-content">
<form action="{:U('Home/Index/edit')}" method="post" id="myform" name="myform" enctype="multipart/form-data">
<table class="insert-tab" width="100%">
<tbody>
<tr>
<td>
<input type="hidden" name="id" value="{
$data.id}" readonly="readonly">
<input type="hidden" name="ip" value="{
$data.ip} " readonly="readonly">
</td>
</tr>
<tr>
<th><i class="require-red">*</i> title ：</th>
<td>
<input class="common-text required" id="title" name="title" size="50" value="{
$data.title}" type="text">
</td>
</tr>
<th> Content ：</th>
<td><textarea name="content" class="common-textarea" id="content" cols="30" style="width: 98%;" rows="10"> {
$data.content}</textarea></td>
</tr>
<tr>
<th></th>
<td>
<input class="btn btn-primary btn6 mr10" value=" Submit " type="submit" name="sub">
<input class="btn btn6" onClick="history.go(-1)" value=" return " type="button">
</td>
</tr>
</tbody></table>
</form>
</div>
</div>
</div>
<!--/main-->
</div>
</body>
</html>
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