在日常的开发过程中，我们偶尔会遇到核对全国组织机构代码的有效性方面的需求，这里有一份关于全国组织机构代码的校验码，或者可以帮到大家，下面是相应的示例代码。

package org.qwfys.sample;

import java.io.IOException;

/**
 * 全国组织机构代码校验码(National organization code verification code,NOCVC)
 *
 * @author lwk
 * @since  0.0.1
 */
public class Nocvc {
    public static char[] a = new char[8];

    public String jy(char[] a) {
        int[] ww = {3, 7, 9, 10, 5, 8, 4, 2};

        int[] cc = new int[8];
        int DD = 0;
        int C9 = 0;

        for (int i = 0; i < 8; i++) {
            cc[i] = a[i];
            if (47 < cc[i] && cc[i] < 58) {
                cc[i] = cc[i] - 48;
            } else {
                cc[i] = cc[i] - 65;
            }
        }

        for (int i = 0; i < 8; i++) {
            DD += cc[i] * ww[i];
        }
        
        C9 = 11 - DD % 11;
        if (C9 == 10) {
            for (int i = 0; i < 8; i++) {
                System.out.print(Nocvc.a[i]);
            }
            System.out.println("-X");
            return new String(a) + "-X";
        } else if (C9 == 11) {
            for (int i = 0; i < 8; i++) {
                System.out.print(Nocvc.a[i]);
            }
            System.out.println("-" + (char) (48));
            return new String(a) + "-" + (char) (48);
        } else {
            for (int i = 0; i < 8; i++) {
                System.out.print(Nocvc.a[i]);
            }
            System.out.println("-" + (char) (C9 + 48));
            return new String(a) + "-" + (char) (C9 + 48);
        }

    }

    public static void main(String[] args) {
        try {
            System.out.println("请输入长8位的本体代码！");
            for (int i = 0; i < 8; i++) {
                Nocvc.a[i] = (char) System.in.read();
            }
        } catch (IOException e) {
            e.getStackTrace();
        }
        Nocvc nocvc = new Nocvc();
        nocvc.jy(a);
    }
}