通過調用微信提供的API接口，我們可以很方便的在應用中發送消息給微信好友，或者分享到朋友圈。在微信開發平臺（https://open.weixin.qq.com）里，提供了詳細的說明文檔和樣例。但由于提供的樣例是使用Objective-C寫的，所以這邊我寫了個Swift版的樣例。

1，實現的功能 （1）可以發送各種類型的消息給好友，也可以分享到朋友圈 （2）發送的內容類型包括：純文本，圖片，鏈接，音樂，視頻，gif表情，非gif表情，文件
2，效果圖如下 ??
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3，注意事項： （1）該樣例必須連接手機進行真機調試 （2）還需要到微信開發平臺注冊應用id，下面代碼里會用到（如果不注冊，隨便起個id來調試也沒什么問題，就是收到消息下方會顯示“未審核應用”）
4，詳細步驟 （1）首先把微信SDK資源庫拖入到項目中來（整個Resources文件夾）

（2）引入WXApi.h這個頭文件

（3）編寫代碼

--- AppDelegate.swift ---

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import UIKit @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { ????var window: UIWindow? ????func application(application: UIApplication, ????????didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { ????????// 注冊app(這里隨便取個名字) ????????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 UIKit class ViewController: UIViewController { ????//發送給好友還是朋友圈（默認好友） ????var _scene = WXSceneSession.value ????? ????override func viewDidLoad() { ????????super.viewDidLoad() ????} ????? ????override func didReceiveMemoryWarning() { ????????super.didReceiveMemoryWarning() ????} ????? ????//切換發送給好友還是朋友圈 ????@IBAction func changeScene(sender: UISegmentedControl) { ????????if sender.selectedSegmentIndex == 0 { ????????????_scene = WXSceneSession.value ????????}else{ ????????????_scene = WXSceneTimeline.value ????????} ????} ????? ????//發送純文本 ????@IBAction func sendTextContent(sender: AnyObject) { ????????var req = SendMessageToWXReq() ????????req.bText = true ????????req.text = "hangge.com 做最好的開發者知識平臺。" ????????req.scene = _scene ????????WXApi.sendReq(req) ????} ????? ????//發送圖片 ????@IBAction func sendImageContent(sender: AnyObject) { ????????var message =? WXMediaMessage() ????????? ????????//發送的圖片 ????????var filePath =? NSBundle.mainBundle().pathForResource("image", ofType: "jpg") ????????var image = UIImage(contentsOfFile:filePath!) ????????var imageObject =? WXImageObject() ????????imageObject.imageData = UIImagePNGRepresentation(image) ????????message.mediaObject = imageObject ????????? ????????//圖片縮略圖 ????????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) ????} ????? ????//發送鏈接 ????@IBAction func sendLinkContent(sender: AnyObject) { ????????var message =? WXMediaMessage() ????????? ????????message.title = "歡迎訪問 hangge.com" ????????message.description = "做最好的開發者知識平臺。分享各種編程開發經驗。" ????????message.setThumbImage(UIImage(named:"apple.png")) ????????? ????????var ext =? WXWebpageObject() ????????ext.webpageUrl = "http://hangge.com" ????????message.mediaObject = ext ????????? ????????var req =? SendMessageToWXReq() ????????req.bText = false ????????req.message = message ????????req.scene = _scene ????????WXApi.sendReq(req) ????} ????? ????//發送音樂 ????@IBAction func sendMusicContent(sender: AnyObject) { ????????var message =? WXMediaMessage() ????????? ????????message.title = "一無所有" ????????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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ext.musicDataUrl = "http://stream20.qqmusic.qq.com/32464723.mp3" ????????message.mediaObject = ext ????????? ????????var req =? SendMessageToWXReq() ????????req.bText = false ????????req.message = message ????????req.scene = _scene ????????WXApi.sendReq(req) ????} ????? ????//發送視頻 ????@IBAction func sendVideoContent(sender: AnyObject) { ????????var message =? WXMediaMessage() ????????message.title = "喬布斯訪談" ????????message.description = "餓著肚皮，傻逼著。" ????????message.setThumbImage(UIImage(named:"apple.png")) ????????? ????????var ext =? WXVideoObject() ????????ext.videoUrl = "http://v.youku.com/v_show/id_XNTUxNDY1NDY4.html" ????????message.mediaObject = ext ????????? ????????var req =? SendMessageToWXReq() ????????req.bText = false ????????req.message = message ????????req.scene = _scene ????????WXApi.sendReq(req) ????} ????? ????//發送非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) ????} ????? ????//發送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) ????} ????? ????//發送文件 ????@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，源碼下載：WeiXinShare.zip

轉載于:https://www.cnblogs.com/Free-Thinker/p/4843326.html

總結

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