iOS开发中几种常见的存储方式

1、archive 归档

数据的保存

   1:          let result = NSKeyedArchiver.archiveRootObject(contacts, toFile: path as String)

   2:          println("保存结果\(result)")

数据的读取：

   1:  var t:[Contact]?

   2:          var any:AnyObject? = NSKeyedUnarchiver.unarchiveObjectWithFile(path as String)

   3:          if any == nil {

   4:              t = [Contact]()

   5:          }else{

   6:              println("读取成功")

   7:              t = any as? [Contact]

   8:          }

需要在模型中实现init With Coder方法 和 encodewithCoder方法

2、User Default

3、plist 存储

   1:   [dataDic setValue:eachDArray forKey:"key"];

   2:  [dataDic writeToFile:filename atomically:YES];

iOS开发中几种常见的存储方式

原文：http://www.cnblogs.com/zeyang/p/4491708.html