
如何使用PHP实现微信小程序的任务审批功能?
随着微信小程序的普及和发展,越来越多的企业和组织开始在小程序上构建自己的业务系统。其中,任务审批功能是一项常见的需求。本文将介绍如何使用PHP语言来实现微信小程序的任务审批功能,并提供具体的代码示例。
一、准备工作
在开始之前,我们需要先准备以下环境和资源:
二、数据库设计
在开始编写代码之前,我们需要先设计数据库表结构,来存储任务的信息和审批记录。
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三、后端代码实现
连接数据库
<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("连接失败: " . $conn->connect_error);
}
?>创建任务
<?php
$task_name = $_POST['task_name'];
$task_content = $_POST['task_content'];
$creator_id = $_POST['creator_id'];
$approver_id = $_POST['approver_id'];
$sql = "INSERT INTO task (task_name, task_content, creator_id, approver_id, status, create_time) VALUES ('$task_name', '$task_content', '$creator_id', '$approver_id', 'pending', NOW())";
if ($conn->query($sql) === TRUE) {
$result = array('code' => 200, 'message' => '任务创建成功');
} else {
$result = array('code' => 500, 'message' => '任务创建失败');
}
echo json_encode($result);
?>查询任务列表
<?php
$creator_id = $_GET['creator_id'];
$sql = "SELECT * FROM task WHERE creator_id = '$creator_id'";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
$tasks = array();
while($row = $result->fetch_assoc()) {
$tasks[] = $row;
}
$result = array('code' => 200, 'message' => '查询成功', 'data' => $tasks);
} else {
$result = array('code' => 500, 'message' => '查询失败');
}
echo json_encode($result);
?>审批任务
<?php
$history_id = $_POST['history_id'];
$task_id = $_POST['task_id'];
$approver_id = $_POST['approver_id'];
$result = $_POST['result'];
$sql = "INSERT INTO approval_history (history_id, task_id, approver_id, approval_time, result) VALUES ('$history_id', '$task_id', '$approver_id', NOW(), '$result')";
if ($conn->query($sql) === TRUE) {
// 更新任务状态
$update_sql = "UPDATE task SET status = '$result' WHERE task_id = '$task_id'";
$conn->query($update_sql);
$result = array('code' => 200, 'message' => '审批成功');
} else {
$result = array('code' => 500, 'message' => '审批失败');
}
echo json_encode($result);
?>四、小程序端代码实现
创建任务页面(createTask)
Page({
data: {
task_name: '',
task_content: '',
creator_id: '',
approver_id: '',
},
createTask: function() {
wx.request({
url: 'https://your_domain.com/create_task.php',
method: 'POST',
data: {
task_name: this.data.task_name,
task_content: this.data.task_content,
creator_id: this.data.creator_id,
approver_id: this.data.approver_id,
},
success: function(res) {
console.log(res.data);
if (res.data.code === 200) {
wx.showToast({
title: '任务创建成功',
});
} else {
wx.showToast({
title: '任务创建失败',
icon: 'none',
});
}
},
fail: function() {
wx.showToast({
title: '请求失败',
icon: 'none',
});
},
});
},
});查询任务列表页面(taskList)
Page({
data: {
creator_id: '',
tasks: [],
},
onLoad: function() {
var that = this;
wx.request({
url: 'https://your_domain.com/query_task.php',
data: {
creator_id: this.data.creator_id,
},
success: function(res) {
console.log(res.data);
if (res.data.code === 200) {
that.setData({
tasks: res.data.data,
});
} else {
wx.showToast({
title: '查询失败',
icon: 'none',
});
}
},
fail: function() {
wx.showToast({
title: '请求失败',
icon: 'none',
});
},
});
},
});审批任务页面(approveTask)
Page({
data: {
history_id: '',
task_id: '',
approver_id: '',
result: '',
},
approveTask: function() {
wx.request({
url: 'https://your_domain.com/approve_task.php',
method: 'POST',
data: {
history_id: this.data.history_id,
task_id: this.data.task_id,
approver_id: this.data.approver_id,
result: this.data.result,
},
success: function(res) {
console.log(res.data);
if (res.data.code === 200) {
wx.showToast({
title: '审批成功',
});
} else {
wx.showToast({
title: '审批失败',
icon: 'none',
});
}
},
fail: function() {
wx.showToast({
title: '请求失败',
icon: 'none',
});
},
});
},
});以上是使用PHP实现微信小程序的任务审批功能的简单示例。当然,实际应用中还需要考虑更多的情况,比如数据验证、用户权限等。希望能对大家有所帮助。
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