摘要：java 生成15位的随机码import java.util.ArrayList;import java.util.List;public class GeneratePswd { @SuppressWarnings({ "unchecked", "unchecked" }) public static void main(String[] args) { StringBuffer buf = new StringBuffer("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") 阅读全文