讀取文本文件，文件中有多個字段信息 讀取一個字段信息，到對應的csv文件將包含中這個字段的整行數據刪除

package tool;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

/**
 * 讀取txt文件，文件中有多個字段信息 讀取一個字段信息，到對應的csv文件中刪除這個字段信息所在的那行數據
 * 
 * @author sunhongbin
 */

public class Tool {

	public static void main(String[] args) throws IOException {

		String key, line;

		String path = "E:/DataSet/runRes";

		int count = 0;

		boolean isExists = false;

		ArrayList<String> msgList = new ArrayList<>();

		// 關聯路徑,刪除信息存放的文件
		File msgFile = new File(path + "/missed.txt");

		InputStreamReader msgReader = new InputStreamReader(new FileInputStream(msgFile), "UTF-8");

		BufferedReader br = new BufferedReader(msgReader);

		while ((key = br.readLine()) != null) {
			msgList.add(key);
		}

		br.close();

		// 關聯路徑,要做修改的文件
		File recordFile = new File(path + "/record.csv");

		InputStreamReader recordReader = new InputStreamReader(new FileInputStream(recordFile), "UTF-8");

		BufferedReader br2 = new BufferedReader(recordReader);

		while ((line = br2.readLine()) != null) {
			count++;
			for (String item : msgList) {
				if (line.indexOf(item) != -1) {// 說明存在字段，該行不能要
					isExists = true;
					System.out.println("第" + count + "行被刪除");
					break;
				} else {
					isExists = false;
				}
			}
			if (isExists == false) {
				createAndWrite(path, line);
			}

		}

	}

	public static void createAndWrite(String filePath, String msg) throws IOException {
		/**
		 * 生成一個文件後往文件裏寫入內容
		 */

		File dir = new File(filePath);

		if (!dir.exists()) { // 檢查是否存在該路徑，沒有的話創建路徑
			dir.mkdirs();
		}

		// 關聯文件，檢查是否已經有該文件，沒有的話在創建
		File file = new File(filePath + "/replace.csv");

		if (!file.exists()) {
			boolean isCreate = file.createNewFile();
			if (isCreate) {
				System.out.println("創建成功");
			} else {
				System.out.println("創建失敗");
			}
		}

		FileWriter writer = null;
		try {
			writer = new FileWriter(file, true);
			writer.append(msg + "\n");
			writer.flush();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (writer != null) {
				writer.close();
			}
		}

	}

}