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//
UITextField*textf = [[UITextField alloc] initWithFrame:CGRectMake(topimg.x + topimg.width + topimg.width/2,0, textfww, bgView.height)];
【UITextField】textf.delegate=self;
textf.tag = textfTag;
textf.backgroundColor = [UIColor clearColor];
textf.autocorrectionType = UITextAutocorrectionTypeNo;
textf.autocapitalizationType = UITextAutocapitalizationTypeNone;
textf.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
//textf.borderStyle = UITextBorderStyleRoundedRect;
// 设置圆角边框
// 设置提示文字的颜色
NSAttributedString *attrString = [[NSAttributedString alloc] initWithString:@"placeholderStr" attributes:@{NSForegroundColorAttributeName:JFSCBrownColor1, NSFontAttributeName:textf.font}];
textf.attributedPlaceholder= attrString;
//textf.placeholder = placeholderStr;
//设置默认的文本显示
textf.font=Font15;
textf.clearsOnBeginEditing = YES;
//再次编辑就清空
textf.keyboardType = keyboardTypeNub;
//数字键盘 UIKeyboardTypeNumberPad 默认：UIKeyboardTypeDefault
textf.clearButtonMode = UITextFieldViewModeUnlessEditing;
//编辑时不出现，编辑后才出现清除按钮
[textfbecomeFirstResponder];
//使文本框在界面打开时就获取焦点，并弹出输入键盘
[textfresignFirstResponder];
//使文本框失去焦点，并收回键盘
textf.secureTextEntry = issecureTextEntry;
//暗纹
[bgViewaddSubview:textf];
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