php 更新记录 codeigniter

Updating records codeigniter

提问by ethio

I am trying to update a table where id of the row is entered and title is selected through a dropdown list, but I have two problems. Firstly Im not sure how to pass the data to the model, and the second problem is actually updating the table using active record.

我正在尝试更新一个表，其中输入了行的 id 并通过下拉列表选择了标题，但我有两个问题。首先我不确定如何将数据传递给模型，第二个问题实际上是使用活动记录更新表。

controller class

控制器类

class Update extends CI_Controller {

public function __construct()
{
        parent::__construct();
        //$this->load->model('addmodel');
        //$this->load->helper('form');
}

public function index()
{
    $this->load->view('updview');

}

public function updtitle() 
{   

    $data = array(
    'id' => $this->input->post('id'),
    'title' => $this->input->post('title') );
    //$data1['data'] = $data;

    $data1['data'] = $this->updmodel->upddata($data);
    $this->load->view('updview', $data1);
}
}

?>

model class

模型类

class Updmodel extends CI_Model {
// model constructor function
function __construct() {
    parent::__construct(); // call parent constructor
    $this->load->database();
}

public function upddata($data) {

    $this->db->where('emp_no', $data['id']);
    $this->db->update('title', $data['title']);

    return;
}
}

?>

view

看法

Update employee title

更新员工职称

<form action="http://localhost/ecwm604/index.php/update/updtitle" method="POST">
    employee id: 
        <input type=text name="id"><br />
    change title to: 
        <select name="title">
            <option value="Assistant Engineer">Assistant Engineer</option>
            <option value="Engineer">Engineer</option>
            <option value="Senior Engineer">Senior Engineer</option>
            <option value="Senior Staff">Senior Staff</option>
            <option value="Staff">Staff</option> 
        </select><br />
    <input type="submit" value="submit"/>
    <br />
<?php
    print_r($data);
    //echo $data['title'];
?>

</body>
</html>

回答by The Alpha

In your Controller

在您的控制器中

public function updtitle() 
{   
    $data = array(
        'table_name' => 'your_table_name_to_update', // pass the real table name
        'id' => $this->input->post('id'),
        'title' => $this->input->post('title')
    );

    $this->load->model('Updmodel'); // load the model first
    if($this->Updmodel->upddata($data)) // call the method from the model
    {
        // update successful
    }
    else
    {
        // update not successful
    }

}

In Your Model

在您的模型中

public function upddata($data) {
    extract($data);
    $this->db->where('emp_no', $id);
    $this->db->update($table_name, array('title' => $title));
    return true;
}

The active record query is similar to

活动记录查询类似于

"update $table_name set title='$title' where emp_no=$id"

回答by Raham

In your_controller write this...

在 your_controller 中写这个...

public function update_title() 
{   
    $data = array
      (
        'table_id' => $this->input->post('table_id'),
        'table_title' => $this->input->post('table_title')
      );

    $this->load->model('your_model'); // First load the model
    if($this->your_model->update_title($data)) // call the method from the controller
    {
        // update successful...
    }
    else
    {
        // update not successful...
    }

}

While in your_model...

在 your_model 中...

public function update_title($data)
{
   $this->db->set('table_title',$data['title'])
         ->where('table_id',$data['table_id'])
        ->update('your_table');
}

This will works fine...

这将工作正常...

回答by vpgodara

How to update in codeignitor?

如何在codeignitor中更新？

whenever you want to update same status with multiple rows you use where_in insteam of where or if you want to change only single record can use where.

每当你想用多行更新相同的状态时，你可以使用 where_in insteam of where 或者如果你只想更改单个记录可以使用 where。

below is my code

下面是我的代码

$conditionArray = array(1, 3, 4, 6);
$this->db->where_in("ip_id", $conditionArray);
$this->db->update($this->table, array("status" => 'active'));

its working perfect.

它的工作完美。

回答by May Noppadol

In codeigniter doc if you update specific field just do this

在 codeigniter doc 中，如果您更新特定字段，请执行此操作

$data = array(
    'yourfieldname' => value,
    'name' => $name,
    'date' => $date
);

$this->db->where('yourfieldname', yourfieldvalue);
$this->db->update('yourtablename', $data);