Java读取txt文件——（二）

 Txt数据

Java代码

package DRDCWordTemplates;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;

import org.apache.log4j.Logger;
import org.junit.Test;

import bean.Question;

/**
 * 读取word上传上来的题目时候在最后多出一道空题，读取记事本编辑的上传上来的正常
 * 
 * @author: qlq
 * @date : 2017年7月25日上午9:04:12
 */
public class ReadTxtData {
    private static Logger log = Logger.getLogger(ReadTxtData.class);
    private static List<Question> list = new ArrayList<Question>();
    
    @Test
    public void readTxtData() throws Exception {
        String str;
        FileInputStream fis;
        fis = new FileInputStream("E:\EclipseWorkspace\FreeMarker\test.txt"); // 打开文件输入流
        BufferedReader in = new BufferedReader(new InputStreamReader(fis, "utf-8"));

        // 用于保存实际读取的字符数

        StringBuffer sb = new StringBuffer();
        // 使用循环读取数据
        String line = "";
        while ((line = in.readLine()) != null) {
            if (!line.equals("")) {
                sb.append(line);
            }
        }

        String all = sb.toString().trim();
    /*    System.out.println(all);
        System.out.println("--------------------------------------");*/
        System.out.println(all.trim());
        System.out.println("--------------------------------------");

        // 分割题，以[题干]分割,注意第一个前面还有一道空的
        String ti[] = all.split("\[题干\]");
        System.out.println(ti.length);
//        substring(start,end) 简单理解为从int开始取end-start个
        for (int i=1;i<ti.length;i++) {
            // 提取题干
            System.out.println(ti[i].substring(0, ti[i].indexOf("[类型]")));
            // 提取类型
            int leixing_start = ti[i].indexOf("[类型]")+4;
            int leixing_end = leixing_start+2;
            String leixing = ti[i].substring(leixing_start,leixing_end);
            System.out.println(leixing);
            // 提取ABCD
            if(leixing.equals("判断")){  //如果是判断题
//                提取答案，从[答案]后开始，取一个
                int daan_start = ti[i].indexOf("[答案]")+4;
                String daan = ti[i].substring(daan_start, daan_start+1);
                System.out.println(daan);
//                提取解析
                int jiexi_start = ti[i].indexOf("[解析]")+4;
                String jiexi = ti[i].substring(jiexi_start);
                System.out.println(jiexi);
            }else{
//                提取ABCD选项:
                int a_start = ti[i].indexOf("[A选项]")+5;
                int a_end = ti[i].indexOf("[B选项]");
                String axuanxiang=ti[i].substring(a_start, a_end);
                System.out.println(axuanxiang);
                
                int b_start = ti[i].indexOf("[B选项]")+5;
                int b_end = ti[i].indexOf("[C选项]");
                String bxuanxiang=ti[i].substring(b_start, b_end);
                System.out.println(bxuanxiang);
                
                int c_start = ti[i].indexOf("[C选项]")+5;
                int c_end = ti[i].indexOf("[D选项]");
                String cxuanxiang=ti[i].substring(c_start, c_end);
                System.out.println(cxuanxiang);
                
                int d_start = ti[i].indexOf("[D选项]")+5;
                int d_end = ti[i].indexOf("[答案]");
                String dxuanxiang=ti[i].substring(d_start, d_end);
                System.out.println(dxuanxiang);
                
//                提取答案
                int daan_start = ti[i].indexOf("[答案]")+4;
                int daan_end = ti[i].indexOf("[解析]");
                String daan = ti[i].substring(daan_start, daan_end);
                System.out.println(daan);
//                提取解析
                int jiexi_start = ti[i].indexOf("[解析]")+4;
                String jiexi = ti[i].substring(jiexi_start);
                System.out.println(jiexi);
            }
        }

    }

}

结果: