帮我写一个java程序,读取csv文件第二栏的身份证号,根据ISO 7064:1983.MOD 11-2校验码计算公式筛查不合规的身份证号,提交修正后的正确的身份证号
时间: 2024-08-15 09:04:50 浏览: 32
当然可以。首先,我们需要导入必要的库并处理CSV文件。这里是一个简单的Java程序示例,它读取CSV文件的第二列内容(假设文件名为"example.csv"),并对身份证号码进行校验:
```java
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class IDCheck {
private static final String[] SEPARATOR = { "," };
private static final Pattern ID_PATTERN = Pattern.compile("\\d{15}|\\d{18}");
private static final String MOD_11_2_CHECK_CODE = "10X98765432";
public static void main(String[] args) {
try (BufferedReader br = new BufferedReader(new FileReader("example.csv"))) {
String line;
while ((line = br.readLine()) != null) {
String[] data = line.split(SEPARATOR);
if (data.length > 1) {
String idNumber = data;
if (!isValidID(idNumber)) {
System.out.println("Invalid ID Number: " + idNumber);
// 这里只是打印错误,你可以根据需求修改此处行为,例如添加到另一个文件或数据库
System.out.println("Corrected ID: " + correctID(idNumber));
} else {
System.out.println("Valid ID Number: " + idNumber);
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
private static boolean isValidID(String id) {
Matcher matcher = ID_PATTERN.matcher(id);
return matcher.matches() && computeMod112CheckCode(id) == id.charAt(19);
}
private static String correctID(String id) {
int checkDigit = computeMod112CheckCode(id);
String correctedId = id.substring(0, 17) + checkDigit;
return correctedId;
}
private static int computeMod112CheckCode(String id) {
int sum = 0;
for (int i = 0; i < id.length(); i++) {
int digit = Integer.parseInt(id.charAt(i) + "");
if (i % 2 == 0) {
sum += digit * 7;
} else {
sum += digit;
}
}
return (sum % 11 == 0 ? 0 : 11 - sum % 11);
}
}