ios自带的JSON解析问题，求大神指教

[{"id":1,"TitleName":"\u4ECA\u5929\u5929\u6C14","Titletime":"2013-1-5","TitleBack":"10","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/angry_birds_cake.jpg"},{"id":2,"TitleName":"\u6587\u5316","Titletime":"2013-1-5","TitleBack":"24","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/creme_brelee.jpg"},{"id":3,"TitleName":"\u53BB\u95EE\u554A","Titletime":"2013-1-5","TitleBack":"22","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/egg_benedict.jpg"},{"id":4,"TitleName":"\u94B1\u97E6\u6749","Titletime":"2013-1-5","TitleBack":"45","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/full_breakfast.jpg"},{"id":5,"TitleName":"\u53BB\u95EE\u554A\u554A","Titletime":"2013-1-5","TitleBack":"78","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/green_tea.jpg"},{"id":6,"TitleName":"\u8BF7\u95EE\u989D\u989D","Titletime":"2013-1-5","TitleBack":"85","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/ham_and_cheese_panini.jpg"},{"id":7,"TitleName":"\u8BF7\u95EE\u989D","Titletime":"2013-1-5","TitleBack":"45","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/ham_and_egg_sandwich.jpg"},{"id":8,"TitleName":"\u554A\u554A\u4E3A","Titletime":"2013-1-5","TitleBack":"78","TitleUrl":"http:\/\/3g.163.com","TitleImageUrl":"http:\/\/update.766.com\/gamebox\/simpletable_image_pack\/hamburger.jpg"}]

有这些数据，想按顺序读取出来，可是不知道ios自带的json怎么循环获取这些数据，求大神教下

补充：移动开发 ,  iPhone