UITextField *textF = [[UITextField alloc]initWithFrame:CGRectMake(0, kFitH(100), kScreenWidth, kFitH(60))];

    textF.backgroundColor = [UIColor whiteColor];

    textF.placeholder = @" 输入手机号码";

    textF.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;

//设置placeholder的字体

[textF setValue:[UIFont fontWithName:kFontPingFangMedium size:kFitFontSize(32)] forKeyPath:@"_placeholderLabel.font"];

//设置文字的字体   

textF.font = [UIFont fontWithName:kFontPingFangMedium size:kFitFontSize(32)];

//设置光标的颜色    

textF.tintColor = [UIColor grayColor];

//设置光标左移    

UIView *leftVie = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 10, 0)];    

textF.leftView = leftVie;

//设置左边view的显示方式

 textF.leftViewMode = UITextFieldViewModeAlways;

textField常用的属性