//最左侧加图片是以下代码 右侧类似 UIImageView *imgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"comment_write"]]; _textField.leftView = imgView; _textField.leftViewMode = UITextFieldViewModeAlways;
原文：http://blog.csdn.net/u013243469/article/details/44460277