做的CI留言板功能,但是参数传递出现错误,求解
这是view层,位于views/leaveword/index.php<?php
defined('BASEPATH') OR exit('No direct script access allowed');
?><!DOCTYPE html>
<html lang="en">
<head>
<title>leave word</title>
<meta charset="utf-8">
<h3>留言板</h3>
</head>
<body>
<div id="title" style="height: 10px; weight: 100px"></div>
<div id="show" style="height: 200px; weight: 100px">
<?php foreach ($leavewords as $leaveword_lists): ?>
<h5><?php echo $leaveword_lists['utitle']; ?></h5>
<h6><?php echo $leaveword_lists['ucontent']; ?></h6>
<h6><?php echo $leaveword_lists['uname']; ?></h6>
<?php endforeach; ?>
</div>
<div id="put in" style="height: 100px; weight: 100px">
<h4>请留言</h4>
<br />
<?php echo validation_error(); ?>
<?php echo form_open('leaveword/home/put'); ?>
<div id="utitle" style="height: 10px; weight: 80px">
<label for="utitle">留言标题:</label>
<input type="input" name="utitle" /><br />
</div>
<div id="ucontent" style="height: 50px; weight: 80px">
<label for="ucontent">留言内容</label>
<textarea name="ucontent"></textarea><br />
</div>
<div id="uname" style="height: 10px; weight: 80px">
<label for="uname">用户名:</label>
<input type="input" name="uname" /><br />
</div>
<input type="submit" name="submit" value="发表留言">
</form>
</div>
</body>
</html>
这是controller层,位于controller/leaveword/home.php
<?php
class Home extends CI_Controller
{
// 构造函数
public function __construct()
{
parent::__construct();
$this->load->view('leaveword/index');
$this->load->model('leaveword');
}
// 显示留言方法
public function show()
{
$data['leavewords'] = $this->leaveword->retrieve();
$this->load->view('leaveword/index', $data);
if (empty($data['leaveword']))
{
echo '暂时还没有人留言';
}
}
// 用户发表留言方法
public function put()
{
$this->load->helper('form');
$this->load->library('form_validaton');
$this->form_validation->set_rules('utitle', 'Utitle', 'required');
$this->form_validation->set_rules('ucontent', 'Ucontent', 'required');
$this->form_validation->set_rules('uname', 'Uname', 'required');
if ($this->form_validation->run() == FALSE)
{
echo '留言失败,请重新输入。';
$this->load->view('leaveword/index');
}
else{
echo '留言成功';
$this->leaveword->create();
}
}
}
这是model层,位于model/leaveword.php
<?php
class Leaveword extends CI_Model
{
public function __construct()
{
parent::__construct();
$this->load->database();
}
// 读取留言方法
public function retrieve()
{
$query = $this->db->get('leaveword');
return $query->result_array();
}
// 存储留言方法
public function create()
{
// 赋值给data数组,post()可以对数据进行过滤
$data = array(
'utitle' => $this->input->post('utitle'),
'ucontent' => $this->input->post('ucontent'),
'uname' => $this->input->post('uname')
);
return $this->db->insert('leaveword', $data);
}
}
数据库就用户名、留言标题和留言内容,三个。求大神帮我看看,小白实在没法子啦 具体是什么错误? 本帖最后由 五指山大王 于 2017-7-22 08:32 编辑
Hex 发表于 2017-7-22 02:08
具体是什么错误?
Message: Undefined variable: leavewordsFilename: leaveword/index.php
本帖最后由 五指山大王 于 2017-7-22 08:32 编辑
Hex 发表于 2017-7-22 02:08
具体是什么错误?
数据能存进数据库,但是显示就出问题了 变量未定义
<?php if (isset($leavewords)) { foreach ($leavewords as $leaveword_lists): ?>
<h5><?php echo $leaveword_lists['utitle']; ?></h5>
<h6><?php echo $leaveword_lists['ucontent']; ?></h6>
<h6><?php echo $leaveword_lists['uname']; ?></h6>
<?php endforeach;} ?>
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