//规格代码的生成 private String getCode (String code) { char[] chars=code.toCharArray(); if (chars[2]==57){ chars[2]+=8; }else if (chars[2]<90){ chars[2]++; } else { if (chars[1]==57){ chars[1]+=8; chars[2]=48; }else if (chars[1]<90) { chars[1]++; chars[2] = 48; }else { if (chars[0]==57){ chars[0]+=8; chars[1]=48; chars[2]=48; }else if (chars[0]<90){ chars[0]++; chars[1]=48; chars[2]=48; }else { System.out.print("编码用完了"); } } } StringBuffer sbu = new StringBuffer(); for (int i = 0; i < chars.length; i++) { sbu.append(chars[i]); } return sbu.toString(); }