//Json : JavaScript Object Notation, 脚本对象标注法

Student.json

[

 {

    "age":"18",

    "name":"张三",

    "sex":"男"

 },

 {

   "age":"38",

   "name":"李四",

   "sex":"男"

 },

 {

    "age":"28",

    "name":"王五",

    "sex":"男"

 }

]

- (void)viewDidLoad {

    [super viewDidLoad];

    

    self.studentArray = [NSMutableArray arrayWithCapacity:0];

 (1)

        //获取文件路径

    NSString *filePath = [[NSBundle mainBundle] pathForResource:@"Student" ofType:@"json"];

        //转成NSData

    NSData *data = [NSData dataWithContentsOfFile:filePath];

        //进行json解析

    NSError *error = nil;

    

//        NSJSONSerialization: iOS提供的json解析类

    

//    NSJSONReadingMutableContainers: 解析到得字典和数组是可变的(NSMutabelArrary, NSMutableDictionary)

//    NSJSONReadingMutableLeaves: 解析到得叶子节点的内容是可变的(NSMutableString)

//    NSJSONReadingAllowFragments : 允许json数据的最外层不是字典和数据

    

    

    NSArray *dataArray = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:&error];

    if (error) {

        NSLog(@"%@", error);

    }

    

    NSLog(@"%@", dataArray)for (NSDictionary *dic in dataArray) {

        Student *student = [[Student alloc] init];

        student.name = dic[@"name"];

        student.sex = dic[@"sex"];

        student.age = dic[@"age"];

        [_studentArray addObject:student];

        [student release];

        NSLog(@"%@", student);

    } (2)  

        //使用jsonkit

        //获取路径

    

    NSString *filePath = [[NSBundle mainBundle] pathForResource:@"Student" ofType:@"json"];

        //获取内容

    NSString *content = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];

        //内容进行json解析

    NSArray *dataArray = [content objectFromJSONString];

    NSLog(@"%@", dataArray);

    for (NSDictionary *dic in dataArray) {

        Student *student = [[Student alloc] init];

        student.name = dic[@"name"];

        student.sex = dic[@"sex"];

        student.age = dic[@"age"];

        [_studentArray addObject:student];

        [student release];

        NSLog(@"%@", student);

    }