要是我要把如下輸出：
輸入命令：1-按照名稱查找圖書；2-按照序號查找圖書
2
輸入圖書序號：
0003
圖書不存在！
輸入命令：1-按照名稱查找圖書；2-按照序號查找圖書
2
輸入圖書序號：
0002
book:高數

變為：
輸入命令：1-按照名稱查找圖書；2-按照序號查找圖書
2
輸入圖書序號：
0003
圖書不存在！
輸入圖書序號：
0002
book:高數

代碼應該怎么改？

public?class?BookSearch?{
?BookDAO?bDAO[]?=?{new?BookDAO("0001",?"語文"),?new?BookDAO("0002",?"高數")};
?boolean?flagNoFould?=?true;
?
?public?void?searchBook()?throws?TypeException,NoBookException{
??while(flagNoFould){??
???try{
????System.out.println("輸入命令：1-按照名稱查找圖書；2-按照序號查找圖書");
????Scanner?scan?=?new?Scanner(System.in);
????int?input?=?scan.nextInt();
????searchModel(input);
??
????if(input?==?1){
?????System.out.println("輸入圖書名稱：");
?????String?name?=?scan.next();
?????searchByName(name);
????}
????if(input?==?2){
?????System.out.println("輸入圖書序號：");
?????String?bookID?=?scan.next();
?????searchByID(bookID);
????}????
???}catch(TypeException?e){
????this.searchBook();
???}catch(NoBookException?e){
????continue;
???}
??}??
?}
?
?private?void?searchModel(int?model)?throws?TypeException?{
??try{
???if(!(model==?1?||?model?==2)){
????throw?new?TypeException("命令輸入錯誤！請根據提示輸入數字命令！");
???}
??}catch(TypeException?e){
???System.out.println(e.getMessage());
??}
?}
?
?private?void?searchByName(String?name)?throws?NoBookException?{
??try{
???for(int?i?=?0;?i?<?bDAO.length;?i++){
????if(name.equals(bDAO[i].getName())){
?????System.out.println("book:"?+?bDAO[i].getName());?
?????flagNoFould?=?false;
?????break;
????}
???}
???if(flagNoFould){
????throw?new?NoBookException("圖書不存在！");
???}
??}catch(NoBookException?e){
???System.out.println(e.getMessage());
??}???
?}
?
?private?void?searchByID(String?bookID)?throws?NoBookException?{
??try{
???for(int?i?=?0;?i?<?bDAO.length;?i++){
????if(bookID.equals(bDAO[i].getBookID())){
?????System.out.println("book:"?+?bDAO[i].getName());?
?????flagNoFould?=?false;
?????break;
????}
???}
???if(flagNoFould){
????throw?new?NoBookException("圖書不存在！");
???}?
??}catch(NoBookException?e){
???System.out.println(e.getMessage());
??}?
?}
?
}