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发送带图片的微博

• 发送带图片的微博 api文档地址:http://open.weibo.com/wiki/2/statuses/upload

• 在 HMStatusListViewModel 修改 sendStatus 方法,添加 image: UIImage? 参数,如果有传入 image 就发布带图片的微博

  /**
  发布微博, 连续两次发布的微博不可以重复
  parameter status:             微博内容
  parameter sendStatusCallBack: 回调
  */
  func sendStatus(status: String, image: UIImage?, sendStatusCallBack: @escaping (Error?) -> ()) {
    // 判断token
    guard let access_token = HMUserAccountViewModel.shared.userAccount?.access_token else {
        print("token为空")
        return
    }
  
    // 参数
    let parameters = [
        "access_token": access_token,
        "status": status
    ]
  
    if let image = image {
        let urlString = "https://upload.api.weibo.com/2/statuses/upload.json"
        HMNetworkTool.shared.requestPost(URLString: urlString, parameters: parameters, constructingBodyWith: { (formData) in
            // 将图片转成NSData
            let imageData = UIImagePNGRepresentation(image)!
  
            // data: 要上传内容的2进制
            // name: 接口文档指定的上传字段名称
            // fileName: 保存在服务器的文件名称,看api文档,有规定有按规定来填,没有规定,随便填
            // mimeType: 类型: image/png. image/jpeg, image/gif
            formData.appendPart(withFileData: imageData, name: "pic", fileName: "hehe", mimeType: "image/png")
            }, progress: nil, success: { (_, result) in
                sendStatusCallBack(nil)
            }, failure: { (_, error) in
                sendStatusCallBack(error)
        })
    } else {
        // 没有图片
        // url
        let urlString = "https://api.weibo.com/2/statuses/update.json"
  
        // 发送请求
        HMNetworkTool.shared.request(method: .POST, URLString: urlString, parameters: parameters, progress: nil, success: { (_, result) in
            sendStatusCallBack(nil)
            }, failure: { (_, error) in
            sendStatusCallBack(error)
        })
    }
  }
  

• 在 HMComposeViewController 的 发微博方法里面传入 image 参数

  func sendStatus() -> Void {
    // 获取要发布的内容
    let status = textView.emoticonText()
  
    // 微博长度
    let length = status.characters.count
  
    // 计算文本剩余长度
    let leftLength = statusMaxLength - length
    if leftLength < 0 {
        SVProgressHUD.showError(withStatus: "文字超出长度")
        return
    }
  
    SVProgressHUD.showInfo(withStatus: "正在发布微博")
  
    let image = photoSelectorVC.photos.first
  
    HMStatusListViewModel.shared.sendStatus(status: status, image: image) { (error: Error?) in
        if error != nil {
            SVProgressHUD.showError(withStatus: "发布微博失败")
            print("error \(error)")
            return
        }
  
        // 发布微博成功了
        SVProgressHUD.showSuccess(withStatus: "发布微博成功")
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 1, execute: {
            self.close()
        })
    }
  }