读多选题

package newexam;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

public class AccessMulti {
	static String fileName = "d:/cf/015山东轻工业学院_XP_13考场.crp";
	static int NUM = 10;
	static File outDir = new File("d:/cf");
	static File absoluteDir = new File(outDir.getAbsolutePath());
	static Connection con = null;

	// 类静态方法,完成对数据库连接等初始化工作
	static {
		if (!absoluteDir.exists()) {
			System.out.println("正在创建文件夹");
			absoluteDir.mkdirs();
		}
	}

	/**
	 * 读取数据库中多选题,共10套,并给出答案。多选题表中第8个字段为答案,数字代表前几个为正确选项
	 */
	public static void getMulti() throws Exception {
		DAOAccess dao = new DAOAccess(fileName);
		con = dao.getConnection();
		Statement stat = con.createStatement();
		BufferedWriter out = new BufferedWriter(new FileWriter(new File(
				absoluteDir, "Multi.txt")));
		out.write("多选题答案为数字,表示前几项是正确的,如3,表示前三项是正确的。");
		out.newLine();
		int m;
		for (m = 1; m <= NUM; m++) {
			String sql = "select * from MultiSelect" + m
					+ " Group by TestID Order By TestID ";
			ResultSet res = stat.executeQuery(sql);
			out.newLine();
			out.write("*****************第" + m + "套题******************");
			out.newLine();
			int i = 1;
			while (res.next()) {
				int count = res.getInt(8);
				out.write("" + i + "." + res.getString(2));
				out.newLine();
				out.write("" + "A) " + res.getString(3));
				out.newLine();
				out.write("" + "B) " + res.getString(4));
				out.newLine();
				out.write("" + "C) " + res.getString(5));
				out.newLine();
				out.write("" + "D) " + res.getString(6));
				out.newLine();
				out.write("" + "E) " + res.getString(7));
				out.newLine();
				out.write("答案:" + count);
				out.newLine();
				out.newLine();
				i++;
			}
		}
		stat.close();
		out.close();
		dao.close();
		System.out.println("多选题创建成功,请检查!");
	}

	public static void main(String args[]) throws Exception {
		getMulti();
	}
}


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