swift 头像上传（3）头像保存与读取

概述参考： 头像保存： http://blog.csdn.net/codingfire/article/details/51943286 http://www.cnblogs.com/linxiu-0925/p/5885638.html 头像获取与显示参考 http://blog.csdn.net/CodingFire/article/details/52128773 //把选择的头像保存到本地

参考：

头像保存：

http://blog.csdn.net/Codingfire/article/details/51943286

http://www.cnblogs.com/linxiu-0925/p/5885638.HTML

头像获取与显示参考

http://blog.csdn.net/CodingFire/article/details/52128773

//把选择的头像保存到本地    func saveImage(image:UIImage)->String{        //修正图片的位置        //下面一句代码报错，暂时没有找到解决方法，以后有时间再弄吧        //let image = fixOrIEntation((info[UIImagePickerControllerOriginalimage] as! UIImage))                        //先把图片转成NSData                let data = UIImageJPEGRepresentation(image,0.5)        //显示图片        //self.imagevIEw.image = UIImage(data: data!)                //图片保存的路径                //这里将图片放在沙盒的documents文件夹中                                //Home目录                let homeDirectory = NSHomeDirectory()                let documentPath = homeDirectory + "/documents"                //文件管理器                let fileManager: NSfileManager = NSfileManager.defaultManager()                //把刚刚图片转换的data对象拷贝至沙盒中 并保存为image.png                do {                        try fileManager.createDirectoryAtPath(documentPath,withIntermediateDirectorIEs: true,attributes: nil)                    }                    catch _ {                    }                                fileManager.createfileAtPath(documentPath.stringByAppendingString("/image.png"),contents: data,attributes: nil)                //得到选择后沙盒中图片的完整路径                let filePath: String = String(format: "%@%@",documentPath,"/image.png")               // print("filePath:" + filePath)       return filePath    }

使用方法

 //添加代理方法，用于执行图片拾取完成后的代码    func imagePickerController(picker: UIImagePickerController,dIDFinishPickingMediawithInfo info: [String : AnyObject]) {        //判断是否允许裁剪        if(picker.allowsEditing){            //裁剪后图片            let image = info["UIImagePickerControllerEditedImage"]as? UIImage           // self.imagevIEw.image = image             let type: String = (info[UIImagePickerControllerMediaType] as! String)            print(type)            let imagePath:String = saveImage(image!)                        //根据保存路径获取并显示图片            let lastData = NSData(contentsOffile: imagePath)            self.imagevIEw.image = UIImage(data: lastData!)        }else{            //原始图片            let image = info["UIImagePickerControllerOriginalimage"]as? UIImage            //self.imagevIEw.image = image            let type: String = (info[UIImagePickerControllerMediaType] as! String)            print(type)            let imagePath:String = saveImage(image!)                        //根据路径获取图片并显示            let lastData = NSData(contentsOffile: imagePath)                        self.imagevIEw.image = UIImage(data: lastData!)                    }                self.dismissVIEwControllerAnimated(true,completion: nil )        }

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