iOS 按钮传值

前言

点击按钮的时候想传一些值过去，但是在按钮的实现方法里面只能拿到sender的一些数据。没法拿到其他数据。

下面介绍怎么使用：

self.btn_yyh = [[UIButton alloc]init];```

    self.btn_yyh.backgroundColor=KYRGBColor(108,73,191);

    self.btn_yyh.layer.cornerRadius = 12.5f;

    [self.btn_yyh setTitle:@"上传运单号" forState:UIControlStateNormal];

    self.btn_yyh.titleLabel.font = [UIFont systemFontOfSize: 12.0];

    [self.btn_yyh setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

    [self.btn_yyh addTarget:self action:@selector(touchYYHBtn:) forControlEvents:UIControlEventTouchUpInside];



    //以下为传值的方法

    objc_setAssociatedObject(self.btn_yyh, @"oid",orderInfoModel.orderId, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    objc_setAssociatedObject(self.btn_yyh, @"goodsAddress",orderInfoModel.addressId, OBJC_ASSOCIATION_RETAIN_NONATOMIC);

    [view_faddSubview:self.btn_yyh];

    [self.btn_yyh mas_makeConstraints:^(MASConstraintMaker *make) {

        make.width.mas_equalTo(77.0f);

        make.height.mas_equalTo(22.0f);

        make.right.mas_equalTo(view_f).offset(-space);

        make.centerY.mas_equalTo(self.label_date);

    }];



// 取值

- (void)touchYYHBtn:(UIButton*)sender

{

    NSLog(@"上传运单号");

    KYSCYDHVC*scydVC = [[KYSCYDHVCalloc]init];

    NSString *oid = objc_getAssociatedObject(sender, @"oid");

    NSString *goodsAddress = objc_getAssociatedObject(sender, @"goodsAddress");

    scydVC.goodsAddress= goodsAddress;

    scydVC.orderId= oid;

    [self.navigationController pushViewController:scydVC animated:YES];

}