iphone学习笔记--JSON数据解析

NSString *jsonString = [NSString stringWithString:@"{\"foo\": \"bar\"}"];
NSDictionary *dictionary = [jsonString JSONValue];
NSLog(@"Dictionary value for \"foo\" is \"%@\"", [dictionary objectForKey:@"foo"]);
NSString *arrayString = [NSString stringWithString:@"[{\"foo\": \"bar\"},{\"foo\": \"bar2\"}]"];
NSArray *array = [arrayString JSONValue];
NSDictionary *dictionary = [array objectAtIndex:0];//取第一个的值
NSLog(@"Dictionary value for \"foo\" is \"%@\"", [dictionary objectForKey:@"foo"]);