java读写CSV文件
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参考文献
读取csv文件中数据
将数据保存为csv文件格式
读取CSV文件中的数据
import java.io.*;
import java.util.ArrayList;
import java.util.StringTokenizer;
public class readCSV {
void readCSV(String readpath, ArrayList Nolist, ArrayList Dnalist) {
File inFile = new File(readpath);
try {
BufferedReader reader = new BufferedReader(new FileReader(inFile));
while (reader.ready()) {
String line = reader.readLine();
StringTokenizer st = new StringTokenizer(line, ",");
int NO;
String DNAsequence;
if (st.hasMoreTokens()) {
NO = Integer.valueOf(st.nextToken().trim());
DNAsequence = String.valueOf(st.nextToken().trim());
Nolist.add(NO);
Dnalist.add(DNAsequence);
}
}
reader.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
将数据保存为csv格式
package Readcsv_testV0;
import java.io.*;
import java.util.ArrayList;
public class OutputCSV {
public static void writeCSV(ArrayList<String []> DNA, ArrayList<Double> Con, ArrayList<Double> Hp, ArrayList<Double> Hm, ArrayList<Double> Si, ArrayList<Double> Tm, ArrayList<Double> GC, String path) {
try {
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(path), "UTF-8"));
for (int i = 0; i < DNA.size(); i++) {
out.write(DNA.get(i)[0]);
out.write(",");
out.write(DNA.get(i)[1]);
out.write(",");
out.write(Con.get(i).toString());
out.write(",");
out.write(Hp.get(i).toString());
out.write(",");
out.write(Hm.get(i).toString());
out.write(",");
out.write(Si.get(i).toString());
out.write(",");
out.write(Tm.get(i).toString());
out.write(",");
out.write(GC.get(i).toString());
out.newLine();
}
out.flush();
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
原文地址:https://www.cnblogs.com/cloud-ken/p/11093594.html
时间: 2024-10-12 12:17:31