Scanner in=new Scanner(System.in);
System.out.println("请输入文字密码");
String a = in.nextLine();
for (int i = 0; i < a.length(); i++){
int c = Integer.valueOf(a.charAt(i));
//System.out.println(c);
StringBuffer iii=new StringBuffer();
String ia="0";
String ib="1";
String ic="2";
String id="3";
String ie="4";
String f="5";
String ig="6";
String ih="7";
String ii="8";
String ij="9";
switch (c){
case 97:
iii.insert(0,ia);
break;
case 98:
iii.insert(0,ib);
break;
case 99:
iii.insert(0,ic);
break;
case 100:
iii.insert(0,id);
break;
case 101:
iii.insert(0,ie);
break;
case 102:
iii.insert(0,f);
break;
case 103:
iii.insert(0,ig);
break;
case 104:
iii.insert(0,ih);
break;
case 105:
iii.insert(0,ii);
break;
case 106:
iii.insert(0,ij);
break;
}
String iiii=iii.toString();
String sub = iiii.substring(0,5);
System.out.println(sub);
}
System.out.println("请输入文字密码");
String a = in.nextLine();
for (int i = 0; i < a.length(); i++){
int c = Integer.valueOf(a.charAt(i));
//System.out.println(c);
StringBuffer iii=new StringBuffer();
String ia="0";
String ib="1";
String ic="2";
String id="3";
String ie="4";
String f="5";
String ig="6";
String ih="7";
String ii="8";
String ij="9";
switch (c){
case 97:
iii.insert(0,ia);
break;
case 98:
iii.insert(0,ib);
break;
case 99:
iii.insert(0,ic);
break;
case 100:
iii.insert(0,id);
break;
case 101:
iii.insert(0,ie);
break;
case 102:
iii.insert(0,f);
break;
case 103:
iii.insert(0,ig);
break;
case 104:
iii.insert(0,ih);
break;
case 105:
iii.insert(0,ii);
break;
case 106:
iii.insert(0,ij);
break;
}
String iiii=iii.toString();
String sub = iiii.substring(0,5);
System.out.println(sub);
}
但是我没有你的jar支持,我第一行就报错了,就不想看了
你直接告诉我们 你第几行报错 不就行了
Scanner in = new Scanner(System.in);
System.out.println("请输入文字密码");
String a = in.nextLine();
StringBuffer iii = new StringBuffer();
for (int i = 0; i < a.length(); i++) {
int c = Integer.valueOf(a.charAt(i));
// System.out.println(c);
String ia = "0";
String ib = "1";
String ic = "2";
String id = "3";
String ie = "4";
String f = "5";
String ig = "6";
String ih = "7";
String ii = "8";
String ij = "9";
switch (c) {
case 97:
iii.insert(0, ia);
break;
case 98:
iii.insert(0, ib);
break;
case 99:
iii.insert(0, ic);
break;
case 100:
iii.insert(0, id);
break;
case 101:
iii.insert(0, ie);
break;
case 102:
iii.insert(0, f);
break;
case 103:
iii.insert(0, ig);
break;
case 104:
iii.insert(0, ih);
break;
case 105:
iii.insert(0, ii);
break;
case 106:
iii.insert(0, ij);
break; }
}
String iiii = iii.toString();
String sub = iiii.substring(0, 5);
System.out.println(sub);
String sub = iiii.substring(0,5);
System.out.println(sub);放到for循环外面才对