thinkphp数据库的增删改查

chuangjian数据库thinkphp
表为comm
配置数据库配置文件
Application/Common/config.php

<?php
return array(
	//'配置项'=>'配置值'
    'DB_TYPE'               =>  'mysql',     // 数据库类型
    'DB_HOST'               =>  'localhost', // 服务器地址
    'DB_NAME'               =>  'thinkphp',          // 数据库名
    'DB_USER'               =>  'php',      // 用户名
    'DB_PWD'                =>  '123456',          // 密码
    'DB_PORT'               =>  '3306',        // 端口
    'DB_PREFIX'             =>  '',    // 数据库表前缀
    'DB_PARAMS'          	=>  array(), // 数据库连接参数
    'DB_DEBUG'  			=>  TRUE, // 数据库调试模式 开启后可以记录SQL日志
    'DB_FIELDS_CACHE'       =>  true,        // 启用字段缓存
    'DB_CHARSET'            =>  'utf8',      // 数据库编码默认采用utf8
    'DB_DEPLOY_TYPE'        =>  0, // 数据库部署方式:0 集中式(单一服务器),1 分布式(主从服务器)
    'DB_RW_SEPARATE'        =>  false,       // 数据库读写是否分离 主从式有效
    'DB_MASTER_NUM'         =>  1, // 读写分离后 主服务器数量
    'DB_SLAVE_NO'           =>  '', // 指定从服务器序号
);

修改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'); //
        //实例化comm对象
        $limit =C('PAGE_COUNT');//从config.php取出PAGE_COUNT的值
        $count      = $Comm->count();// 查询满足要求的总记录数
        $Page       = new \Think\Page($count,25);// 实例化分页类 传入总记录数和每页显示的记录数(25)
        $show       = $Page->show();// 分页显示输出
// 进行分页数据查询 注意limit方法的参数要使用Page类的属性
        $list = $Comm->order('id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
        $this->assign('list',$list);// 赋值数据集
        $this->assign('page',$show);// 赋值分页输出

        $this->display();
        // 输出模板
    }
    public function del(){
    
        $id = I("id");
        $Comm = M('comm');
        $result = $Comm->where("id=$id")->delete();
        $result>0?$this->success("删除成功",U("Home/Index/design"),2):$this->error("删除失败");
    }
    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("更新成功",U("Home/Index/design"),2):$this->error("更新失败");



        }else{
    
            $id = I("id");
            //查出数据
            $Comm = M('comm');
            $data = $Comm->where("id=$id")->find();//查询取出一条数据

            $this->assign('ip',$ip);
            $this->assign('data',$data);
            $this->display();
        }

    }
    public function design(){
    

            $Comm = M('comm'); //
            //实例化comm对象
            $limit =C('PAGE_COUNT');//从config.php取出PAGE_COUNT的值
            $count      = $Comm->count();// 查询满足要求的总记录数
            $Page       = new \Think\Page($count,25);// 实例化分页类 传入总记录数和每页显示的记录数(25)
            $show       = $Page->show();// 分页显示输出
// 进行分页数据查询 注意limit方法的参数要使用Page类的属性
            $list = $Comm->order('id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
            $this->assign('list',$list);// 赋值数据集
            $this->assign('page',$show);// 赋值分页输出

            $this->display();

        }




    public function insert(){
    
        $ip = get_client_ip();
        if(!empty(I("sub"))){
    
            //插入数据
            $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("留言成功",U("Home/Index/design"),2):$this->error("留言失败");

        }else{
    
            $this->assign(ip,$ip);
            $this->display();

        }


    }
}

修改模板index.html

<!DOCTYPE HTML>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>笔下光年的博客</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">笔下光年的博客</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="笔下光年" >
                    <div class="lyear-sentence mb-3">必须记住我们学习的时间是有限的。时间有限，不只由于人生短促，更由于人事纷繁。我们就应力求把我们所有的时间用去做最有益的事情。</div>
                    <hr>
                </div>

                <ul class="navbar-nav flex-column text-center">
                    <li class="nav-item active">
                        <a class="nav-link" href="index.html">首页</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="index.html">技术</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="index.html">感悟</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="about.html">关于我</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="搜索关键词" />
                    </form>
                </div>
            </div>
        </nav>
    </div>
</header>
<div class="lyear-wrapper">
    <section class="mt-5 pb-5">
        <div class="container">

            <div class="row">
                <!-- 文章列表 -->
                <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="#">财报</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>


                <!-- 内容 end -->

                <!-- 侧边栏 -->
                <div class="col-xl-4">
                    <div class="lyear-sidebar">
                        <!-- 热门文章 -->
                        <aside class="widget widget-hot-posts">
                            <div class="widget-title">热门文章</div>
                            <ul>
                                <li>
                                    <a href="#">三星将为 Galaxy Fold 用户提供 149 美元更换屏幕服务</a> <span>2019-09-25 10:05</span>
                                </li>
                                <li>
                                    <a href="#">专家：10年后6G将问世 数据传输速率有望比5G快100倍</a> <span>2019-09-25 08:06</span>
                                </li>
                                <li>
                                    <a href="#">苹果正式发布 iPadOS 13.1 系统，加入多项强大新功能</a> <span>2019-09-25 09:35</span>
                                </li>
                            </ul>
                        </aside>

                        <!-- 归档 -->
                        <aside class="widget">
                            <div class="widget-title">归档</div>
                            <ul>
                                <li><a href="#">2019 三月</a> (40)</li>
                                <li><a href="#">2019 四月</a> (08)</li>
                                <li><a href="#">2019 五月</a> (11)</li>
                                <li><a href="#">2019 六月</a> (21)</li>
                            </ul>
                        </aside>

                        <!-- 标签 -->
                        <aside class="widget widget-tag-cloud">
                            <div class="widget-title">标签</div>
                            <div class="tag-cloud">
                                <a href="#" class="badge badge-light">php</a>
                                <a href="#" class="badge badge-primary">苹果</a>
                                <a href="#" class="badge badge-danger">比特币</a>
                                <a href="#" class="badge badge-light">linux</a>
                                <a href="#" class="badge badge-light">前端</a>
                                <a href="#" class="badge badge-light">vue</a>
                            </div>
                        </aside>
                    </div>
                </div>
                <!-- 侧边栏 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>

获取ip函数编写
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地址合法验证
    $long = ip2long($ip);
    $ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
    return $ip[$type];
}

修改模板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')}">首页</a><span class="crumb-step">&gt;</span><a class="crumb-name" href="{:U('Home/Index/index')}">作品管理</a><span class="crumb-step">&gt;</span><span>新增作品</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>标题：</th>
                                <td>
                                    <input class="common-text required" id="title" name="title" size="50" value="" type="text">
                                </td>
                            </tr>

                                <th>内容：</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="提交" type="submit" name="sub">
                                    <input class="btn btn6" onClick="history.go(-1)" value="返回" type="button">
                                </td>
                            </tr>
                        </tbody></table>
                </form>
            </div>
        </div>

    </div>
    <!--/main-->
</div>
</body>
</html>

{:U(‘Home/Index/insert’)}这里是提交到index控制器的insert方法

\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'); //
        //实例化comm对象
        $limit =C('PAGE_COUNT');//从config.php取出PAGE_COUNT的值
        $count      = $Comm->count();// 查询满足要求的总记录数
        $Page       = new \Think\Page($count,25);// 实例化分页类 传入总记录数和每页显示的记录数(25)
        $show       = $Page->show();// 分页显示输出
// 进行分页数据查询 注意limit方法的参数要使用Page类的属性
        $list = $Comm->order('id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
        $this->assign('list',$list);// 赋值数据集
        $this->assign('page',$show);// 赋值分页输出

        $this->display();
        // 输出模板
    }
    public function test(){
    
        $this->display("index");;
    }
    public function design(){
    
        $this->display();
    }
    public function insert(){
    
        $ip = get_client_ip();
        if(!empty(I("sub"))){
    
            //插入数据
            $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("留言成功",U("Home/Index/index"),2):$this->error("留言失败");

        }else{
    
            $this->assign(ip,$ip);
            $this->display();

        }


    }
}

\Application\Home\view\design.html

<!doctype html>
<html>
<head>
    <meta charset="UTF-8"/>
    <title>后台管理</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">后台管理</a></h1>
            <ul class="navbar-list clearfix">
                <li><a class="on" href="index.html">首页</a></li>
                <li><a href="#" target="_blank">网站首页</a></li>
            </ul>
        </div>
        <div class="top-info-wrap">
            <ul class="top-info-list clearfix">
                <li><a href="#">管理员</a></li>
                <li><a href="#">修改密码</a></li>
                <li><a href="#">退出</a></li>
            </ul>
        </div>
    </div>
</div>
<div class="container clearfix">
    <div class="sidebar-wrap">
        <div class="sidebar-title">
            <h1>菜单</h1>
        </div>
        <div class="sidebar-content">
            <ul class="sidebar-list">
                <li>
                    <a href="#"><i class="icon-font">&#xe003;</i>常用操作</a>
                    <ul class="sub-menu">
                        <li><a href="design.html"><i class="icon-font">&#xe008;</i>作品管理</a></li>
                        <li><a href="design.html"><i class="icon-font">&#xe005;</i>博文管理</a></li>
                        <li><a href="design.html"><i class="icon-font">&#xe006;</i>分类管理</a></li>
                        <li><a href="design.html"><i class="icon-font">&#xe004;</i>留言管理</a></li>
                        <li><a href="design.html"><i class="icon-font">&#xe012;</i>评论管理</a></li>
                        <li><a href="design.html"><i class="icon-font">&#xe052;</i>友情链接</a></li>
                        <li><a href="design.html"><i class="icon-font">&#xe033;</i>广告管理</a></li>
                    </ul>
                </li>
                <li>
                    <a href="#"><i class="icon-font">&#xe018;</i>系统管理</a>
                    <ul class="sub-menu">
                        <li><a href="system.html"><i class="icon-font">&#xe017;</i>系统设置</a></li>
                        <li><a href="system.html"><i class="icon-font">&#xe037;</i>清理缓存</a></li>
                        <li><a href="system.html"><i class="icon-font">&#xe046;</i>数据备份</a></li>
                        <li><a href="system.html"><i class="icon-font">&#xe045;</i>数据还原</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">首页</a><span class="crumb-step">&gt;</span><span class="crumb-name">作品管理</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>标题</th>

                            <th>ip</th>
                            <th>更新时间</th>
                            <th>内容</th>
                            <th>操作</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="#">修改</a>
                                <a class="link-del" href="#">删除</a>
                            </td>
                        </tr>
                        </foreach>

                    </table>
                    <div class="list-page"> 2 条 1/1 页</div>
                </div>
            </form>
        </div>
    </div>
    <!--/main-->
</div>
</body>
</html>

修改模板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')}">首页</a><span class="crumb-step">&gt;</span><a class="crumb-name" href="{:U('Home/Index/index')}">作品管理</a><span class="crumb-step">&gt;</span><span>新增作品</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>标题：</th>
                        <td>
                            <input class="common-text required" id="title" name="title" size="50" value="{
      $data.title}" type="text">
                        </td>
                    </tr>

                    <th>内容：</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="提交" type="submit" name="sub">
                            <input class="btn btn6" onClick="history.go(-1)" value="返回" type="button">
                        </td>
                    </tr>
                    </tbody></table>
            </form>
        </div>
    </div>

</div>
<!--/main-->
</div>
</body>
</html>