資源簡介
在窗口事件中隨機產生四個英文字母的驗證碼并且不區分大小寫
代碼片段和文件信息
package?r;
import?java.awt.*;
public?class?Codeeax?{
public?static?void?main(String[]?args)?{
String?str[]?=?new?String[4];
????????int[]?a?=?new?int[4];
????????String?s?=?““;
????????for(int?i?=?0;i<4;i++){
???????? a[i]=(int)(Math.random()*123);
???????? if(a[i]>=0&&a[i]<=9){
???????? str[i]?=?String.valueOf(a[i]);?
???????? System.out.print(a[i]);
???????? }
???????? else?{
???????? if((a[i]>=10&&a[i]<=64)||(a[i]>=91&&a[i]<=96)){
???????? str[i]?=?String.valueOf(a[i]%10);
???????? System.out.print(a[i]%10);
???????? }
?
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1123??2011-11-05?22:13??驗證碼\Codeeax.java
?????目錄??????????0??2011-11-18?23:23??驗證碼
-----------?---------??----------?-----??----
?????????????????1123????????????????????2
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