通过调用微信提供的API接口，我们可以很方便的在应用中发送消息给微信好友，或者分享到朋友圈。在微信开发平台（https://open.weixin.qq.com）里，提供了详细的说明文档和样例。但由于提供的样例是使用Objective-C写的，所以这边我写了个Swift版的样例。
1，实现的功能
（1）可以发送各种类型的消息给好友，也可以分享到朋友圈
（2）发送的内容类型包括：纯文本，图片，链接，音乐，视频，gif表情，非gif表情，文件
2，效果图如下
3，注意事项：
（1）该样例必须连接手机进行真机调试
（2）还需要到微信开发平台注册应用id，下面代码里会用到（如果不注册，随便起个id来调试也没什么问题，就是收到消息下方会显示“未审核应用”）
4，详细步骤
（1）首先把微信SDK资源库拖入到项目中来（整个Resources文件夹）
（2）引入WXApi.h这个头文件
（3）编写代码
--- AppDelegate.swift ---
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import UIKit@UIApplicationMainclass AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { // 注册app(这里随便取个名字) WXApi.registerApp("hangge_appid") return true } func applicationWillResignActive(application: UIApplication) { } func applicationDidEnterBackground(application: UIApplication) { } func applicationWillEnterForeground(application: UIApplication) { } func applicationDidBecomeActive(application: UIApplication) { } func applicationWillTerminate(application: UIApplication) { }} |
--- ViewController.swift ---
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import UIKitclass ViewController: UIViewController { //发送给好友还是朋友圈（默认好友） var _scene = WXSceneSession.value override func viewDidLoad() { super.viewDidLoad() } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } //切换发送给好友还是朋友圈 @IBAction func changeScene(sender: UISegmentedControl) { if sender.selectedSegmentIndex == 0 { _scene = WXSceneSession.value }else{ _scene = WXSceneTimeline.value } } //发送纯文本 @IBAction func sendTextContent(sender: AnyObject) { var req = SendMessageToWXReq() req.bText = true req.text = "hangge.com 做最好的开发者知识平台。" req.scene = _scene WXApi.sendReq(req) } //发送图片 @IBAction func sendImageContent(sender: AnyObject) { var message = WXMediaMessage() //发送的图片 var filePath = NSBundle.mainBundle().pathForResource("image", ofType: "jpg") var image = UIImage(contentsOfFile:filePath!) var imageObject = WXImageObject() imageObject.imageData = UIImagePNGRepresentation(image) message.mediaObject = imageObject //图片缩略图 var width = 240.0 as CGFloat var height = width*image!.size.height/image!.size.width UIGraphicsBeginImageContext(CGSizeMake(width, height)) image!.drawInRect(CGRectMake(0, 0, width, height)) message.setThumbImage(UIGraphicsGetImageFromCurrentImageContext()) UIGraphicsEndImageContext() var req = SendMessageToWXReq() req.bText = false req.message = message req.scene = _scene WXApi.sendReq(req) } //发送链接 @IBAction func sendLinkContent(sender: AnyObject) { var message = WXMediaMessage() message.title = "欢迎访问 hangge.com" message.description = "做最好的开发者知识平台。分享各种编程开发经验。" message.setThumbImage(UIImage(named:"apple.png")) var ext = WXWebpageObject() message.mediaObject = ext var req = SendMessageToWXReq() req.bText = false req.message = message req.scene = _scene WXApi.sendReq(req) } //发送音乐 @IBAction func sendMusicContent(sender: AnyObject) { var message = WXMediaMessage() message.title = "一无所有" message.description = "崔健" message.setThumbImage(UIImage(named:"apple.png")) var ext = WXMusicObject() ext.musicUrl = "http://y.qq.com/i/song.html#p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message.mediaObject = ext var req = SendMessageToWXReq() req.bText = false req.message = message req.scene = _scene WXApi.sendReq(req) } //发送视频 @IBAction func sendVideoContent(sender: AnyObject) { var message = WXMediaMessage() message.title = "乔布斯访谈" message.description = "饿着肚皮，傻逼着。" message.setThumbImage(UIImage(named:"apple.png")) var ext = WXVideoObject() message.mediaObject = ext var req = SendMessageToWXReq() req.bText = false req.message = message req.scene = _scene WXApi.sendReq(req) } //发送非gif格式的表情 @IBAction func sendNonGifContent(sender: AnyObject) { var message = WXMediaMessage() message.setThumbImage(UIImage(named:"res5thumb.png")) var ext = WXEmoticonObject() var filePath = NSBundle.mainBundle().pathForResource("res5", ofType: "jpg") ext.emoticonData = NSData(contentsOfFile:filePath!) message.mediaObject = ext var req = SendMessageToWXReq() req.bText = false req.message = message req.scene = _scene WXApi.sendReq(req) } //发送gif格式的表情 @IBAction func sendGifContent(sender: AnyObject) { var message = WXMediaMessage() message.setThumbImage(UIImage(named:"res6thumb.png")) var ext = WXEmoticonObject() var filePath = NSBundle.mainBundle().pathForResource("res6", ofType: "gif") ext.emoticonData = NSData(contentsOfFile:filePath!) message.mediaObject = ext var req = SendMessageToWXReq() req.bText = false req.message = message req.scene = _scene WXApi.sendReq(req) } //发送文件 @IBAction func sendFileContent(sender: AnyObject) { var message = WXMediaMessage() message.title = "ML.pdf" message.description = "Pro CoreData" message.setThumbImage(UIImage(named:"apple.png")) var ext = WXFileObject() ext.fileExtension = "pdf" var filePath = NSBundle.mainBundle().pathForResource("ML", ofType: "pdf") ext.fileData = NSData(contentsOfFile:filePath!) message.mediaObject = ext var req = SendMessageToWXReq() req.bText = false req.message = message req.scene = _scene WXApi.sendReq(req) }} |
5，源码下载：
WeiXinShare.zip