读取CSV文件生成相关的文件

 

package ;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;


public class ReadCsv {
    
    
	public static void main(String[] args) throws IOException {
		
		String[] dataline = null;  
		String line = "";
		String nid = "";//id

		String filefrom, fileto;

		filefrom = "F:/1.csv";
		fileto = "F:/2.txt";
		
		
		File file = new File(filefrom);
		FileReader fr = new FileReader(file);
		BufferedReader in = new BufferedReader(fr);
		FileWriter fw = new FileWriter(fileto);
		
		String sql = "";
		
		
	    in.readLine(); //去标题
		while ((line = in.readLine()) != null) {
			
			    dataline = line.split(",");
			    
                nid = dataline[0];
			    
			    try{
                    sql = "xxx"+nid;

			    	System.out.println("--- sql --- " + sql);
			    	
			    	
			    }catch(Exception e){
                	e.printStackTrace();
			    }
            
			    fw.write(sql+ "\r\n");
		}
		
		fw.close();
		in.close();
		fr.close();
	}
}