解析JSON字符串

#import <Foundation/Foundation.h>


void parseJSON(NSString *text)
{
    NSError *error = nil;
    NSData *data = [text dataUsingEncoding:NSUTF8StringEncoding];
    NSArray *array = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&error];
    
    if (error != nil) {
        NSLog(@"has error");
        return;
    }
    
    for (int i=0; i < array.count; i++) {
        
        NSDictionary *dict = array[i];
        id bookid = [dict objectForKey:@"bookid"];
        NSLog(@"bookid = %d", [bookid intValue]);
        NSString *name = [dict objectForKey:@"name"];
        NSLog(@"name = %@", name);
    }
}

int main(int argc, const char * argv[])
{
    @autoreleasepool {
        parseJSON(@"[{\"bookid\":123,\"name\":\"笑傲江湖\"}]");
    }
    return 0;
}