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#import "ViewController.h"
@interface ViewController ()
 
@property (strong, nonatomic) PayData* data;
@end
 
@implementation ViewController
- (IBAction)pay:(UIButton *)sender {
    if (!_data) {
        _data = [[PayData alloc] init];
    }
 
    _data.orderAmount = @"100.05";
    _data.orderNumber = @"test_payment_002";
    _data.merchantId = @"679471";
  
    AssistPay* assistPay = [[AssistPay alloc] initWithDelegate: self];
    [assistPay start:self withData: _data];
}
 
- (void)payFinished:(NSString * __nonnull)bill status:(NSString * __nonnull)status message:(NSString * __nullable)message
{
    NSString* res = @"status: ";
    res = [res stringByAppendingString: status];
    res = [res stringByAppendingString: @", billnumber: "];
    res = [res stringByAppendingString: bill];
    res = [res stringByAppendingString: @", message: "];
    res = [res stringByAppendingString: message];
    _result.text = res;
}
 
@end