我的问题可能很简单,但我却迷失了方向。
任何评论、想法、帮助、预测都会非常有用。
这是我的课程
试用SwiftClass.swift
import Foundation
@objc public class TrialSwiftClass : NSObject{
var first : String?
var second : NSString?
var third : NSNumber = 0
override init(){
super.init()
}
init(data:NSArray){
self.first = data[0] as? String
self.second = data[1] as? NSString
self.third = data[2] as! NSNumber
}
}
TrialObjectiveCClass.h
#import <Foundation/Foundation.h>
@interface TrialObjectiveCClass : NSObject
@property (nonatomic, strong) NSString *first;
@property (nonatomic, strong) NSString *second;
@property (nonatomic, assign) NSNumber *third;
- (instancetype)initWithArray:(NSArray *)data;
@end
TrialObjectiveCClass.m
#import "TrialObjectiveCClass.h"
@implementation TrialObjectiveCClass
- (instancetype)initWithArray:(NSArray *)data{
self.first = data[0];
self.second = data[1];
self.third = data[2];
return self;
}
@end
现在问题来了。当我在 ViewController.m 中使用这两个类时,其中包含以下代码:
#import "ViewController.h"
#import "TrialObjectiveCClass.h"
#import "Codemaster-Swift.h" //Automatically created header to use Swift code in Objective-C
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
NSArray *trialArray = @[@"FirstString", @"SecondString", @99];
//First the Swift part
TrialSwiftClass *obj = [[TrialSwiftClass alloc] initWithData:trialArray];
NSLog(@"%@", obj.first);
NSLog(@"%@", obj.second);
NSLog(@"%@", obj.third);
//Now the Objective-C part
TrialObjectiveCClass *obj2 = [[TrialObjectiveCClass alloc] initWithArray:trialArray];
NSLog(@"%@", obj2.first);
NSLog(@"%@", obj2.second);
NSLog(@"%@", obj2.third);
}
If I put a breakpoint in the last NSLog in ViewController.m, here is what i see in debug area:
我的日志显示了对象属性的正确值。
为什么我看不到 Swift 类的层次结构,但可以看到 Objective-C 类?如何解决这个问题呢?