前面的文章中推送通知我都是立即发送，其实使用 JPush我们还可以通过创建定时任务来实现消息的定时发送。

1，创建具体时间点的定时任务

(1)样例说明

服务端页面上我们除了填写通知内容外，还可以指定发送通知的时间。点击“发送”后，客户端不会立刻收到通知。

只有到了指定的的时间，客户端才会收到通知。

(2)index.php(服务端代码)

//引入代码

require 'JPush/autoload.php';

use JPush\Client as JPush;

if(isset($_POST["message"])){

//初始化

$app_key = "7b528331738ec719195798fd";

$master_secret = "32da4e2c06dc7b25da2c9828";

$client = new JPush($app_key, $master_secret);

//简单的推送样例

$payload = $client->push()

->setPlatform('ios', 'android')

->addAllAudience()

->setNotificationAlert($_POST["message"])

->options(array(

"apns_production" => true //true表示发送到生产环境(默认值)，false为开发环境

))

->build();

// 创建在指定时间点触发的定时任务

$response = $client->schedule()->createSingleSchedule("指定时间点的定时任务",

$payload, array("time"=>$_POST["time"]));

echo 'Result=' . json_encode($response);

}

?>

通知内容：

发送时间：

推送

(3)AppDelegate.swift(客户端代码。这个同之前文章里的一样，没有改变。本文代码已升级至 Swfit3)

import UIKit

@UIApplicationMain

class AppDelegate: UIResponder, UIApplicationDelegate {

var window: UIWindow?

func application(_ application: UIApplication,

didFinishLaunchingWithOptions

launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

//通知类型(这里将声音、消息、提醒角标都给加上)

let userSettings = UIUserNotificationSettings(types: [.alert, .badge, .sound],

categories: nil)

if ((UIDevice.current.systemVersion as NSString).floatValue >= 8.0) {

//可以添加自定义categories

JPUSHService.register(forRemoteNotificationTypes: userSettings.types.rawValue,

categories: nil)

}

else {

//categories 必须为nil

JPUSHService.register(forRemoteNotificationTypes: userSettings.types.rawValue,

categories: nil)

}

// 启动JPushSDK

JPUSHService.setup(withOption: nil, appKey: "7b96331738ea713195698fd",

channel: "Publish Channel", apsForProduction: false)

return true

}

func application(_ application: UIApplication,

didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {

//注册 DeviceToken

JPUSHService.registerDeviceToken(deviceToken)

}

func application(_ application: UIApplication,

didReceiveRemoteNotification userInfo: [AnyHashable : Any],

fetchCompletionHandler

completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {

//增加IOS 7的支持

JPUSHService.handleRemoteNotification(userInfo)

completionHandler(UIBackgroundFetchResult.newData)

}

func application(_ application: UIApplication,

didFailToRegisterForRemoteNotificationsWithError error: Error) {

//可选

NSLog("did Fail To Register For Remote Notifications With Error: \(error)")

}

//..........

}

2，创建循环重复执行的定时任务

比如下面代码创建一个每天14点发送的定时任务。

// 创建一个每天14点发送的定时任务

$response = $client->schedule()->createPeriodicalSchedule("每天14点发送的定时任务", $payload,

array(

"start"=>"2016-01-22 13:45:00",

"end"=>"2016-12-25 13:45:00",

"time"=>"14:00:00",

"time_unit"=>"DAY",

"frequency"=>1

));

echo 'Result=' . json_encode($response);

3，更新指定的定时任务

$schedule_id = $response["body"]["schedule_id"];

// 更新指定的定时任务

$response = $client->schedule()->updatePeriodicalSchedule($schedule_id, null, true);

echo "Result=" . json_encode($response);

4，获取定时任务列表

$response = $client->schedule()->getSchedules();

echo "Result=" . json_encode($response);

5，删除定时任务

$response = $client->schedule()->deleteSchedule($schedule_id);

echo "Result=" . json_encode($response);