判断textField里面是否有空

效果图：

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代码：

- (void)viewDidLoad {  [super viewDidLoad];  // Do any additional setup after loading the view, typically from a nib.    //TextField  UITextField *textField=[[UITextField alloc]initWithFrame:CGRectMake(20, 100, 100, 200)];  textField.backgroundColor=[UIColor redColor];  textField.text=@"123";  [self.view addSubview:textField];    NSLog(@"判断textField里面是否为空%i",[self textFieldIsNOTEmpt:textField]);    }//判断textField里面是否有空-(BOOL)textFieldIsNOTEmpt:(UITextField *)textField{  if ([textField.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]].length!=0){    return YES;  }else {    return NO;  }}

原标题：判断textField里面是否有空

关键词：ie