code: public static LineCaptcha createLineCaptcha(int width, int height, int codeCount, int lineCount) {
  		return new LineCaptcha(width, height, codeCount, lineCount);
  	}
docs: 创建线干扰的验证码
  
  @param width 图片宽
  @param height 图片高
  @param codeCount 字符个数
  @param lineCount 干扰线条数
  @return {@link LineCaptcha}