How to use PHP to develop the recruitment function of WeChat mini program?

How to use PHP to develop the recruitment function of WeChat mini program?

With the popularity of WeChat mini programs, more and more companies and individuals have begun to set up recruitment functions on the WeChat mini program platform to facilitate communication between recruitment and job seekers. This article will introduce how to use PHP to develop the recruitment function of WeChat mini program and provide specific code examples.

1. Environmental requirements
Before starting development, we need to ensure that the local environment has the following requirements:

1. Install a PHP development environment, such as XAMPP or WAMP.
2. Have registered and obtained the developer account of the WeChat mini program, and completed the creation of the mini program.
3. Understand the basic knowledge of WeChat mini program development, such as mini program pages, templates, etc.

2. Create a database
First, we need to create a MySQL database to store recruitment information and user information. Assume that our database is named job_recruitment and contains the following tables:

1. users: stores user information, such as user ID, user name, password, etc.
2. jobs: Stores recruitment information, such as job title, recruiter information, job requirements, etc.

The following is a sample code to create a table:

CREATE TABLE users (
    id INT(11) NOT NULL AUTO_INCREMENT,
    username VARCHAR(50) NOT NULL,
    password VARCHAR(50) NOT NULL,
    PRIMARY KEY (id)
);

CREATE TABLE jobs (
    id INT(11) NOT NULL AUTO_INCREMENT,
    title VARCHAR(100) NOT NULL,
    company VARCHAR(100) NOT NULL,
    requirements TEXT NOT NULL,
    PRIMARY KEY (id)
);

3. Set up the server
In the PHP development environment, we need to create an API file for use with the mini program front-end Perform data interaction. The following is a simple sample code for reference:

<?php
header("Content-type: text/html; charset=utf-8");

// 连接数据库
$db_host = ""; // 数据库主机名
$db_user = ""; // 数据库用户名
$db_password = ""; // 数据库密码
$db_name = ""; // 数据库名

$conn = new mysqli($db_host, $db_user, $db_password, $db_name);
if ($conn->connect_error) {
    die("数据库连接失败：" . $conn->connect_error);
}

// 设置跨域访问
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: *");

// 处理招聘信息接口
if ($_GET["action"] == "get_jobs") {
    $sql = "SELECT * FROM jobs";
    $result = $conn->query($sql);

    $jobs = array();
    if ($result->num_rows > 0) {
        while ($row = $result->fetch_assoc()) {
            array_push($jobs, $row);
        }
    }

    echo json_encode($jobs);
}

// 处理用户登录接口
if ($_GET["action"] == "user_login") {
    $username = $_POST["username"];
    $password = $_POST["password"];

    $sql = "SELECT * FROM users WHERE username = '$username' AND password = '$password'";
    $result = $conn->query($sql);

    if ($result->num_rows > 0) {
        $user = $result->fetch_assoc();
        echo json_encode(array("status" => "success", "user" => $user));
    } else {
        echo json_encode(array("status" => "fail", "message" => "用户名或密码错误"));
    }
}

$conn->close();
?>

4. Mini Program Page Development

1. Create a homepage index page to display the list of recruitment positions. The following is a simple example:

   <view class="container">
     <view wx:for="{{jobs}}" wx:key="index" class="job-item">
    <view class="job-title">{{item.title}}</view>
    <view class="company">{{item.company}}</view>
    <view class="requirements">{{item.requirements}}</view>
     </view>
   </view>
   
   <script>
   Page({
     data: {
    jobs: []
     },
   
     onLoad: function () {
    wx.request({
      url: 'https://example.com/api.php?action=get_jobs',
      success: (response) => {
        this.setData({
          jobs: response.data
        })
      }
    })
     }
   })
   </script>

2. Create a login page for user login. The following is a simple example:

   <view class="container">
     <view class="input-group">
    <input class="input-field" type="text" placeholder="用户名" bindinput="onUsernameInput"/>
     </view>
     <view class="input-group">
    <input class="input-field" type="password" placeholder="密码" bindinput="onPasswordInput"/>
     </view>
     <button class="btn-login" bindtap="onLoginClick">登录</button>
   </view>
   
   <script>
   Page({
     data: {
    username: "",
    password: ""
     },
     
     onUsernameInput: function (event) {
    this.setData({
      username: event.detail.value
    })
     },
     
     onPasswordInput: function (event) {
    this.setData({
      password: event.detail.value
    })
     },
     
     onLoginClick: function () {
    wx.request({
      url: 'https://example.com/api.php?action=user_login',
      method: 'POST',
      data: {
        username: this.data.username,
        password: this.data.password
      },
      success: (response) => {
        if (response.data.status === "success") {
          wx.showToast({
            title: '登录成功',
            icon: 'success',
            duration: 1500
          })
          // 登录成功后的逻辑操作
        } else {
          wx.showToast({
            title: '登录失败：' + response.data.message,
            icon: 'none',
            duration: 1500
          })
        }
      }
    })
     }
   })
   </script>

The above is a brief introduction and code example of using PHP to develop the recruitment function of WeChat applet. In actual development, relevant functions need to be improved and optimized according to actual needs. Hope it helps your development!

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