有一个联行号的文件,和一个银行文件,需要读取联行号文件中的某行,用银行文件中的行替换,联行号文件的第四列编号为银行文件的编号,需要把银行名称和银行网点显示在第三个文件中。
联行号文件的内容如下:
105588073429,,,105,105581000018,,,,5880,,,,中国建设银行股份有限公司顺德大良支行,,,,,,,,,,,,,,
105588073437,,,105,105581000018,,,,5880,,,,中国建设银行股份有限公司顺德锦湖支行,,,,,,,,,,,,,,
//以下省略
银行文件的内容如下:
104|中国银行
105|中国建设银行
313|城市商业银行
314|农村商业银行
//以下省略
结果文件
中国建设银行,中国建设银行股份有限公司顺德大良支行
中国建设银行,中国建设银行股份有限公司顺德锦湖支行
//以下省略
package com.xjh.util;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* 联行号的拆分 (2013-01-11)
* @author xiejiaohui
*
*/
public class LianHanghao {
public static void main(String[] args) throws Exception {
printNowDate();
File lianHangHao_file = new File("d:\\LianHangHao3.txt");
File bankCode_file = new File("d:\\BankCode.txt");
File result_file = new File("d:\\result.txt");
// BufferedReader lianHanghao = new BufferedReader(new FileReader("d:\\LianHangHao2.txt"));
// BufferedReader lianHanghao = new BufferedReader(new InputStreamReader(new FileInputStream(lianHangHao_file),"GB2312"));
BufferedReader lianHanghao = new BufferedReader(new InputStreamReader(new FileInputStream(lianHangHao_file),"GBK"));
// FileWriter result_bw = new FileWriter(new File("d:\\result.txt"));
// BufferedWriter result_bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(result_file), "utf-8"));
// BufferedWriter result_bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(result_file), "GB2312"));
BufferedWriter result_bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(result_file), "GBK"));
String lianHanghao_line;
String bankCode_line;
try {
while ((lianHanghao_line = lianHanghao.readLine()) != null) {
if (!lianHanghao_line.contains(",")) {
if (lianHanghao_line.length() > 0) {
println("这行格式有问题: " + lianHanghao_line);
}
continue;
}
String[] l_h_h = lianHanghao_line.split(",");
// BufferedReader bankCode = new BufferedReader(new InputStreamReader(new FileInputStream(bankCode_file),"utf-8"));
// BufferedReader bankCode = new BufferedReader(new InputStreamReader(new FileInputStream(bankCode_file),"GB2312"));
BufferedReader bankCode = new BufferedReader(new InputStreamReader(new FileInputStream(bankCode_file),"GBK"));
while ((bankCode_line = bankCode.readLine()) != null) {
String[] b_l = bankCode_line.split("\\|");
if (l_h_h[3].equals(b_l[0])) {
result_bw.append(b_l[1]);
break;
} else {
continue;
}
}
result_bw.append(",");
result_bw.append(l_h_h[12]);
result_bw.append("\n");
bankCode.close();
}
} finally {
lianHanghao.close();
result_bw.close();
}
printNowDate();
}
public static void println(String input) {
System.out.println(input);
}
public static void printNowDate() {
println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
}
}
这个程序需要读取两个文件,写入一个文件,我得出如下情况
如果读入的两个文件,保存的格式都是 ANSI/ASCII 则读取文件的InputStreamReader必须为GBK否则有乱码
如果读取的两个文件,保存的格式都是 UTF-8 则读取文件的InputStreamReader必须为utf-8否则有乱码
两个读入的文件,一个是 UTF-8 保存的,另外一个是 ANSI/ASCII 保存,只要读取文件的 InputStreamReader 格式跟文件保存格式保持一致,不会出现乱码。