Xcode如何解析Json Objects [英] Xcode how to parse Json Objects

问题描述

我设法为我的服务器获取Json并在Xcode中解析，然后我可以将Json转换为对象并加载我的uitableview，问题是我的Json有7个对象..

I manage to get Json for my server and parse in Xcode , I can then convert Json to a object and loaded my uitableview, the problems is my Json have 7 objects ..

你可以在这里看到完整的Json

2012-05-05 10:45:02.727 passingdata[63856:fb03] array : {
    posts =     {
        Friday =         (
                        {
                GymClass =                 {
                    "CLASS-TYPE2" = "";
                    "CLASS_LEVEL" = "Intro/General";
                    "CLASS_TYPE" = "Muay Thai";
                    "DAY_OF_WEEK" = Friday;
                    TIME = "13:00 - 14:30";
                };
            }
        );
        Monday =         (
                        {
                GymClass =                 {
                    "CLASS-TYPE2" = "Fighters Training";
                    "CLASS_LEVEL" = "Fighters/Advanced/Intermediate";
                    "CLASS_TYPE" = "Muay Thai ";
                    "DAY_OF_WEEK" = Monday;
                    TIME = "09:30 - 11:00";
                };
            }, ......

使用此代码我可以获得星期五的星期五并显示GymClass我桌上的信息GymClass

with this code I can get friday's "Friday" and display the GymClass info "GymClass" on my table

- (void)fetchedData:(NSData *)responseData { //parse out the json data

    searchResults2 = [NSMutableArray arrayWithCapacity:10];

    NSError* error;
    NSDictionary* dictionary = [NSJSONSerialization JSONObjectWithData:responseData options:kNilOptions error:&error];

    NSLog(@"array : %@",dictionary);
    NSArray *array = [[dictionary objectForKey:@"posts"] objectForKey:@"Friday"]; // retrieve that Day Gym Classes

    if (array == nil) {
        NSLog(@"Expected 'posts' array");
        return;
          }

    for (NSDictionary *resultDict in array) 
    {
        SearchResult *searchResult3;
        searchResult3 = [self parseTrack:resultDict];

        if (searchResult3 != nil) {
           [searchResults2 addObject:searchResult3];
        }        
    }    
    [self.tableView reloadData];
}

- (SearchResult *)parseTrack:(NSDictionary *)dictionary
{
    SearchResult *searchResult1 = [[SearchResult alloc] init];

    searchResult1.classType= [[dictionary objectForKey:@"GymClass"] objectForKey:@"CLASS_TYPE"];
    searchResult1.classLevel= [[dictionary objectForKey:@"GymClass"] objectForKey:@"CLASS_LEVEL"];

    NSLog(@"parse track = %@", searchResult1);
    return searchResult1;
}

我可以获取一天的元素但是如何获取元素每天（星期一，星期二......星期日）所以我可以在我的桌子上按部分显示？

I can get the elements for one day but how do I get the Elements for every day (Mon,Tue...Sun)so i can display on my table by sections?

感谢您的帮助..

推荐答案

在您的代码中，您已经这样做了：

Well in your code, you already are doing that:

NSDictionary* dictionary = [NSJSONSerialization JSONObjectWithData:responseData options:kNilOptions error:&error];

NSLog(@"array : %@",dictionary);
NSArray *array = [[dictionary objectForKey:@"posts"] objectForKey:@"Friday"]; // retrieve that Day Gym Classes

Wen可以从那里开始只检索对象 posts ：

Wen can start from there to retrieve only the object posts:

NSDictionary* dictionary = [NSJSONSerialization JSONObjectWithData:responseData options:kNilOptions error:&error];
NSDictionary *posts = [dictionary objectForKey:@"posts"];

//Iterate over posts

for (NSArray *aDay in posts){
     //Do something 
     NSLog(@"Array: %@", aDay);
}

在这里，我使用快速枚举迭代字典，你应该检查这个这里。

Here, i am using Fast Enumeration to iterate over the dictionary, you should check this here.

这篇关于Xcode如何解析Json Objects的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！