jiamisf.java

小型的课程设计

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/**
 *
 * @author Administrator
 */
public class jiamisf {
 public char jiamisuanfa(char sr,int key) {
        char fh = 0 ;
        int m;
        char[] zm = new char[]{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'g', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'G', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};
        for (int i = 0; i < zm.length; i++) {
                if (sr == zm[i]) {
                    m = (i + key) % zm.length;
                    fh = zm[m];
                 }
        }
        return fh;
    }
   
    public char[] jiamizhuanhua(char[] yuan){
    char[] fanhui=new char[yuan.length]; 
    int j=0;
    for(int i=0;i<yuan.length;i++){
        fanhui[j]=jiamisuanfa(yuan[i], 4);
        j++;
    }
    return fanhui;
   }
}