public static void printProgress(char showChar, int len) {
		print("{}{}", CharUtil.CR, StrUtil.repeat(showChar, len));
	}
public static void printProgress ( char showChar , int len ) { print ( "{}{}" , CharUtil . CR , StrUtil . repeat ( showChar , len ) ) ; }
打印进度条

@param showChar 进度条提示字符，例如“#”
@param len 打印长度
@since 4.5.6