package?fangzhen;

import?java.util.ArrayList;
import?java.util.List;
//控制臺(tái)表格形式輸出
public?class?ConsoleTable?{

	private?List?rows?=?new?ArrayList（）;
	private?int?colum;
	private?int[]?columLen;
	private?static?int?margin?=?2;

	public?ConsoleTable（int?colum）?{
		this.colum?=?colum;
		this.columLen?=?new?int[colum];
	}

	public?void?appendRow（）?{
		List?row?=?new?ArrayList（colum）;
		rows.add（row）;
	}

	public?ConsoleTable?appendColum（object?value）?{
		if?（value?==?null）?{
			value?=?“NULL“;
		}
		List?row?=?rows.get（rows.size（）?-?1）;
		row.add（value）;
		int?len?=?value.toString（）.getBytes（）.length;
		if?（columLen[row.size（）?-?1]?			columLen[row.size（）?-?1]?=?len;
		return?this;
	}

	public?String?toString（）?{
		StringBuilder?buf?=?new?StringBuilder（）;

		int?sumlen?=?0;
		for?（int?len?:?columLen）?{
			sumlen?+=?len;
		}
		for?（int?ii?=?0;?ii?			List?row?=?rows.get（ii）;
			for?（int?i?=?0;?i?				String?o?=?““;
				if?（i?					o?=?row.get（i）.toString（）;
				buf.append（‘|‘）.append（printChar（‘?‘?margin））.append（o）;
				buf.append（printChar（‘?‘?8?-?o.getBytes（）.length））;
			}
			buf.append（“|\n“）;
			buf.append（“|“）.append（printChar（‘-‘?76））.append（“|“）;
		}
		return?buf.toString（）;
	}

	private?String?printChar（char?c?int?len）?{
		StringBuilder?buf?=?new?StringBuilder（）;
		for?（int?i?=?0;?i?			buf.append（c）;
		}
		return?buf.toString（）;
	}

}