读取CSV数据并写入txt文件
package com.vfsd; import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException; import com.csvreader.CsvReader; /*******************************************************************************************************
* Copyright: vc1.0 2018. All rights reserved. <br>
* The whole package including this class is licensed under <br>
* <br>
* @ClassName: <br>
* @Directory: <br>
* @author: <br>
* @version: v1.0.0 <br>
* @date: <br>
* @Description: <br>
* 1、 <br>
* 2、 <br>
* @Others: 暂无说明 <br>
* @Modification History: <br>
* 1、 <br>
* Date: <br>
* Author: <br>
* Modification: <br>
* <br>
* 2、 <br>
* Date: <br>
* Author: <br>
* Modification: <br>
*
* @Statement: If you are using the package or parts of it in any commercial way, a commercial license is required. <br>
* Visit <a href='http://www.bim-times.com'>http://www.bim-times.com</a> for more information.<br>
*
*********************************************************************************************************/
public class ReadCSVAndWriteTxt { public static void main(String[] args) throws IOException {
String csvFilePath="D:\\BIM\\2019042702\\2019042701.csv";
String xFileName="D:\\BIM\\2019042702\\X_train.txt";
String yFileName="D:\\BIM\\2019042702\\y_train.txt"; //readCSVAndWrite(csvFilePAth);
//readCSVAndWriteData(csvFilePath,xFileName,yFileName); //String h1[] = {"A","B","C","D","E","F"};
String h1[] = {"A","B","C","D","K","P"};
//String h1[] = {"actionid","actionname","1","\'test\'","\'test2\'","\'test3\'"};
readCSVAndWrite1("D:\\BIM\\ifc1.csv",h1);
} /**
* 读取CSV文件内容
* @param csvFileName
* @throws IOException
*/
public static void readCSVAndWrite(String csvFileName) throws IOException{
try {
// 创建CSV读对象
CsvReader csvReader = new CsvReader(csvFileName);
// 读表头
csvReader.readHeaders();
while (csvReader.readRecord()){
// 读一整行
//System.out.println(csvReader.getRawRecord());
// 读这行的某一列
System.out.println(csvReader.get("A")+"\t"+csvReader.get("B")+"\t"+csvReader.get("C"));
} } catch (IOException e) {
e.printStackTrace();
}
} public static void readCSVAndWrite1(String csvFileName,String h1[]) throws IOException{
try {
// 创建CSV读对象
CsvReader csvReader = new CsvReader(csvFileName);
// 读表头
csvReader.readHeaders();
while (csvReader.readRecord()){
// 读一整行
//System.out.println(csvReader.getRawRecord());
// 读这行的某一列
if(csvReader.get(h1[0]).contains("actionid")) {
//System.out.println(csvReader.get(h1[0])+"\t"+csvReader.get(h1[1])+"\t"+csvReader.get(h1[2])+"\t"+csvReader.get(h1[3])+"\t"+csvReader.get(h1[4])+"\t"+csvReader.get(h1[5]));
} if(csvReader.get(h1[1]).endsWith("f") && !csvReader.get(h1[2]).equals("")) {
System.out.println(csvReader.get(h1[0])+"\t"+csvReader.get(h1[1])+"\t"+csvReader.get(h1[2])+"\t"+csvReader.get(h1[3])+"\t"+csvReader.get(h1[4])+"\t"+csvReader.get(h1[5]));
} } } catch (IOException e) {
e.printStackTrace();
}
} /**
* 读取CSV文件内容
* @param csvFileName
* @throws IOException
*/
public static void readCSVAndWriteData(String csvFileName,String xFileName,String yFileName) throws IOException{
File xFile = new File(xFileName);
File yFile = new File(yFileName); xFile.createNewFile();
yFile.createNewFile(); FileWriter xFileWriter = new FileWriter(xFile);
FileWriter yFileWriter = new FileWriter(yFile); BufferedWriter xBufferWriter = new BufferedWriter(xFileWriter);
BufferedWriter yBufferWriter = new BufferedWriter(yFileWriter); String lineA = "A1";
String lineB = "B1";
String lineC = "C"; try {
// 创建CSV读对象
CsvReader csvReader = new CsvReader(csvFileName); // 读表头
csvReader.readHeaders();
while (csvReader.readRecord()){
// 读一整行
//System.out.println(csvReader.getRawRecord());
// 读这行的某一列
System.out.println(csvReader.get(lineA)+"\t"+csvReader.get(lineB)+"\t"+csvReader.get(lineC));
//xBufferWriter.write(csvReader.get(lineA)+"\t"+csvReader.get(lineB)+"\n");
if(csvReader.get(lineC).equals("1")) {
yBufferWriter.write("1"+"\n");
xBufferWriter.write(csvReader.get(lineA)+"\t"+csvReader.get(lineB)+"\n");
}else if(csvReader.get(lineC).equals("27")) {
yBufferWriter.write("2"+"\n");
xBufferWriter.write(csvReader.get(lineA)+"\t"+csvReader.get(lineB)+"\n");
}else if(csvReader.get(lineC).equals("33")) {
yBufferWriter.write("3"+"\n");
xBufferWriter.write(csvReader.get(lineA)+"\t"+csvReader.get(lineB)+"\n");
}
} xBufferWriter.flush();
yBufferWriter.flush(); } catch (IOException e) {
e.printStackTrace();
}
}
}