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Build a PHP mall: create customer service online consultation and online help systems

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Release： 2023-07-28 17:26:02

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Building a PHP mall: Creating a customer service online consultation and online help system

With the rapid development of e-commerce, more and more companies choose to open their own malls online. In order to provide a better shopping experience, one of the key factors is to establish an efficient customer service online consultation and online help system. In this article, we describe how to build such a system using PHP and provide corresponding code examples.

Step 1: Create database tables

First, we need to create corresponding tables in the database to store information related to customer service consultation and help. The following is a SQL creation statement for a sample table:

CREATE TABLE `chat_messages` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `user_id` int(11) NOT NULL,
  `message` text NOT NULL,
  `timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `chat_customers` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) NOT NULL,
  `email` varchar(255) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

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Two tables are created here, one for storing chat information and the other for storing customer service staff information.

Step 2: Establish a front-end interactive interface

Next, we need to build a front-end interactive interface for real-time chat between users and customer service staff. Here is a simple HTML and JavaScript code example:

<!DOCTYPE html>
<html>
<head>
  <title>在线咨询</title>
</head>
<body>
  <div id="chatbox"></div>
  <textarea id="message"></textarea>
  <button onclick="sendMessage()">发送</button>

  <script>
    function sendMessage() {
      var message = document.getElementById('message').value;
      // 使用Ajax异步请求将消息发送给后台处理
      var xhr = new XMLHttpRequest();
      xhr.open('POST', 'process_message.php', true);
      xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
      xhr.onreadystatechange = function() {
        if(xhr.readyState == 4 && xhr.status == 200) {
          document.getElementById('message').value = '';
        }
      };
      xhr.send('message=' + message);
    }

    function getMessages() {
      // 使用Ajax异步请求获取最新的聊天信息
      var xhr = new XMLHttpRequest();
      xhr.open('GET', 'get_messages.php', true);
      xhr.onreadystatechange = function() {
        if(xhr.readyState == 4 && xhr.status == 200) {
          document.getElementById('chatbox').innerHTML = xhr.responseText;
        }
      };
      xhr.send();
    }
    
    setInterval(getMessages, 1000); // 每秒钟获取一次聊天信息
  </script>
</body>
</html>

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This code creates an interface that contains a chat box and a text box for sending messages. When the user clicks the send button, the message is sent to the background for processing through Ajax, and the text box content is cleared. By using the setInterval function, you can send a request to the server every second to obtain the latest chat information and dynamically update the content of the chat box.

Step 3: Background logic for processing messages

Finally, we need to process the logic for receiving and sending messages in the background. The following is an example PHP code:

// process_message.php
<?php
$message = $_POST['message'];

// 将消息插入到数据库中
// 这里需要根据你的数据库连接信息进行相应的修改
$conn = mysqli_connect('localhost', 'username', 'password', 'database_name');
$query = "INSERT INTO chat_messages (user_id, message) VALUES (1, '$message')";
mysqli_query($conn, $query);
?>

// get_messages.php
<?php
// 获取数据库中最新的聊天信息
// 这里需要根据你的数据库连接信息进行相应的修改
$conn = mysqli_connect('localhost', 'username', 'password', 'database_name');
$query = "SELECT * FROM chat_messages ORDER BY id DESC LIMIT 10";
$result = mysqli_query($conn, $query);

// 将消息以HTML格式返回给前端
while($row = mysqli_fetch_assoc($result)) {
  echo '<p>' . $row['message'] . '</p>';
}
?>

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This code handles the logic of receiving and sending messages. In process_message.php, we first get the message content from the POST request and then insert the message into the database. In get_messages.php, we get the latest 10 chat messages from the database and return them to the front end in HTML format.

Summary

Through the above steps, we successfully built a PHP system for customer service online consultation and online help. Users can communicate with customer service staff in real time and get immediate answers and help. Of course, in order to build a complete mall system, we also need to add other related functions, such as product display, shopping cart, order management, etc. I hope this article will be helpful in building a PHP mall system and provide better services for your business.

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