我在我的注册按钮中有一个if语句,其中包含多个变量,例如检查以确保用户填写所有值以及电子邮件是否等于确认的电子邮件.除了我不断得到错误之外,一切都工作在下面:'NSString'没有可见的@interface声明选择器'isequaltostring:'非常感谢任何帮助!
NSString *name = fieldSignUpName.text;
NSString *password = fieldSignUpPassword.text;
NSString *phone = fieldTelephone.text;
NSString *email = fieldSignUpEmail.text;
NSString *emailtwo = emailcopy.text;
if ((name.length != 0) && (password.length != 0) && (email.length != 0) && (phone.length != 0) && ([email isequaltoString: emailtwo]))
//continues statement...