我对NSDictionary的帮助不大.我如何得到1对,如果我有字典,就说"id"的值
NSDictionary *allCourses = [NSJSONSerialization JSONObjectWithData:allCoursesData options:NSJSONReadingMutableContainers error:&error];
它看起来像这样:
谢谢你的帮助.
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