##简介
该项目主要介绍了oc与swift之间、swift内部几种常见的传值方式（属性传值、代码块传值、代理传值、通知）
如果oc与swift之间的桥接有疑问请参考：OC与swift桥接互调
项目介绍
1、swift之间的页面跳转与返回
2、oc监听swift推送的通知
3、swift内部推送接收的通知
4、oc调用swift的代理方法
5、swift调用oc代码块
6、oc对swift的属性传值、方法调用、代码块调用
7、swift对oc的属性传值、方法调用、代码块调用
8、swift之间的传值
1、swift之间的页面跳转与返回
1、present方式跳转
@objc func btnAction(_ sender:UIButton){ let subVC = SubVC(); self.present(subVC, animated: true) { NSLog("???:%@", subVC); }; NSLog("???:%@____%@",sender,self); }
2、返回
self.dismiss(animated: true) { NSLog("返回"); };
2、oc监听swift推送的通知：
swift发送通知
func postNotifition(){ NotificationCenter.default.post(name: NSNotification.Name(rawValue: "XMNotification"), object: "通知方法"); }
oc接收通知
-(void)addNotification{ [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(notiAction:) name:@"XMNotification" object:nil]; } -(void)notiAction:(NSNotification *)sender{ NSLog(@"oc:%@",sender.object); } -(void)removeNotification{ [[NSNotificationCenter defaultCenter] removeObserver:self name:@"XMNotification" object:nil]; }
3、swift内部推送接收的通知：
func postNotifition(){ NotificationCenter.default.post(name: NSNotification.Name(rawValue: "XMNotification"), object: "通知方法"); } @objc func addNotification(){ NotificationCenter.default.addObserver(self, selector: #selector(notificationAction(_:)), name: NSNotification.Name(rawValue: "XMNotification"), object: nil); } @objc func removeNotifition() { NotificationCenter.default.removeObserver(self); } @objc private func notificationAction(_ noti : Notification){ let str:String = noti.object as! String; print("swift:" + str); }
4、oc调用swift的代理方法：
- 编辑协议方
///1、编辑协议 @objc(FourVCDelegate) protocol FourVCDelegate { func backSuperVC(str:String) } ///2、定义协议对象 @objc var myDelegate:FourVCDelegate?; ///3、调用协议 let str:String = "代理方法" self.myDelegate?.backSuperVC(str: str);
- 签署协议方
///1、调用协议 @interface FirVC ()<FourVCDelegate> ///2、签署协议 -(SecVC *)seVc{ if (!_seVc) { _seVc = [SecVC new]; _seVc.myDelegate = self; } return _seVc; } ///3、协议实现 -(void)backSuperVCWithStr:(NSString *)str{ NSLog(@"%@", str); }
###5、swift调用oc代码块
- oc文件类
///代码块定义 @property(nonatomic,strong)void (^thiBlock)(NSString *str); ///代码块实现 !self.thiBlock?:self.thiBlock(@"swift调用oc代码块");
- swift文件类
let vc = ThiVC(); ///代码块调用 vc.thiBlock = {(str) -> () in print("代码块方法"); } self.present(vc, animated: true, completion: { });
###6、oc对swift的属性传值、方法调用、代码块调用
swift方法类
import UIKit class FourVC: UIViewController { ///数组 @objc var arr0:NSArray = NSArray() ///无参数无返回值 @objc func swMethod0(){ print("无参数无返回值"); } ///有参数无返回值 @objc func swMethod1(str: String) { print("有参数无返回值:\(str)"); } ///有参数有返回值 @objc func swMethod2(str: String) -> (String){ return "有参数有返回值:" + str; } /// mark - 代码块 ///无返回参数 @objc func bkBlock0(response:() -> ()){ response(); } ///返回一个字符串参数 @objc func bkBlock1(response:(_ res : String) -> ()) { response("返回一个字符串参数"); } ///返回多个任意类型参数 @objc func bkBlock_2_(response:(_ res : Any,_ res1 : Any) -> ()) { response(self.arr0, "无参数，返回多个任意类型参数:"); } ///传入多个参数 并返回多个任意类型的参数 @objc func bkBlock3(p1:Any,p2:Any,p3:Any,res:(_ res0 : Any ,_ res1 : Any ,_ res2:Any,_ res3:Any) -> ()) { res("传入多个参数 并返回多个任意类型的参数:\n",p1, p2, p3); } ///Block带返回值 @objc func bkBlock4(res:() -> ()) -> (String){ res(); return "Block带返回值" } //定义block typealias fucBlock = (_ backMsg : String?) ->() func bkBlock4(cmdStr:String?,blockProperty:fucBlock){ blockProperty("backMsg---by block inside func") } override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.yellow; print("属性传值结果：",self.arr0[0],self.arr0[1],arr0[2]); } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) { self.dismiss(animated: true) { }; } } 1 2
oc方法类：
FourVC *vc = [FourVC new]; // --- 属性传值 --- vc.arr0 = @[@"可以",@"可以",@"可以"]; /// ------ 方法调用 ----- //无参数无返回值 [vc swMethod0]; //有参数无返回值 [vc swMethod1WithStr:@"dasda"]; //有参数有返回值 NSString *str = [vc swMethod2WithStr:@"sdfasda"]; NSLog(@"%@",str); /// ------ 代码块调用 ----- [vc bkBlock0WithResponse:^{ NSLog(@"无返回数据代码块"); }]; //有一个返回值 [vc bkBlock1WithResponse:^(NSString * str) { NSLog(@"%@", str); }]; //有两个返回值 [vc bkBlock_2_WithResponse:^(id str, id str1) { NSLog(@"%@\n%@",str1,str); }]; //有参数有返回值 [vc bkBlock3WithP1:@"ds" p2:@"dsa" p3:@"das" res:^(id p0,id p1, id p2, id p3) { NSLog(@"%@\n%@\n%@\n%@",p0,p1,p2,p3); }]; [self presentViewController:vc animated:YES completion:^{ }];
###7、swift对oc的属性传值、方法调用、代码块调用
xxx.h文件
@interface OcVC : UIViewController ///代码块 @property(nonatomic,strong)void (^clickBlock)(void); ///字符串 @property(nonatomic,copy)NSString *titStr; ///方法 -(void)testAction; @end
xxx.m文件
- (void)viewDidLoad { [super viewDidLoad]; NSLog(@"%@",self.titStr); !self.clickBlock?:self.clickBlock(); } -(void)testAction{ NSLog(@"调用方法"); }
xxx.swift文件
let sub = OcVC(); //属性传值 sub.titStr = "属性传值"; //方法调用 sub.testAction(); //代码块调用 sub.clickBlock = { () -> () in print("不带参数代码块") }; sub.clickBlock(); self.present(sub, animated: true, completion: { });
###8、swift之间的传值
func jumpToNextVC(){ ///mark - ============= let foVC = FourVC() let dic:NSDictionary = ["key":1,"key1":2]; let arr0:NSMutableArray = ["你好","好不好"]; // mark - 属性传值 foVC.arr0 = arr0; //方法调用 foVC.swMethod0(); foVC.swMethod1(str: "da"); let str = foVC.swMethod2(str: "ddd"); print(str); // mark - 代码块回调 foVC.bkBlock0 { print("你可以的"); }; foVC.bkBlock1 { (res) in print(res); } foVC.bkBlock_2_{ (res, str) in print(res, "+", str); } foVC.bkBlock3(p1: "1", p2: "2", p3: "3") { (res0, res1, res2, res3) in print(res0,res1,res2,res3); } self.present(foVC, animated: true) { }; }
