package Action;import java.util.Iterator;
import java.util.List;import Manager.BookManager;
import admin.Book;import com.opensymphony.xwork2.ActionSupport;@SuppressWarnings("serial")
public class ActionDemo01 extends ActionSupport {
private BookManager bookmanager;//接收业务层 使用spring管理
private List<Book> list;//接收查询到的list
private String bname;//接受的name @SuppressWarnings("unchecked")
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
Book book = new Book();
book.setBname(bname);
list = bookmanager.booklist();// 这行报空指针 list是这个方法的值 return
// hibernateTemplate.find("from Book");
bookmanager.addBook(book);
Iterator it = list.iterator();
while (it.hasNext()) {
System.out.println(it.next());
}
return "ser";
} public BookManager getBookmanager() {
return bookmanager;
} public void setBookmanager(BookManager bookmanager) {
this.bookmanager = bookmanager;
} public List<Book> getList() {
return list;
} public void setList(List<Book> list) {
this.list = list;
} public String getBname() {
return bname;
} public void setBname(String bname) {
this.bname = bname;
}}
import java.util.List;import Manager.BookManager;
import admin.Book;import com.opensymphony.xwork2.ActionSupport;@SuppressWarnings("serial")
public class ActionDemo01 extends ActionSupport {
private BookManager bookmanager;//接收业务层 使用spring管理
private List<Book> list;//接收查询到的list
private String bname;//接受的name @SuppressWarnings("unchecked")
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
Book book = new Book();
book.setBname(bname);
list = bookmanager.booklist();// 这行报空指针 list是这个方法的值 return
// hibernateTemplate.find("from Book");
bookmanager.addBook(book);
Iterator it = list.iterator();
while (it.hasNext()) {
System.out.println(it.next());
}
return "ser";
} public BookManager getBookmanager() {
return bookmanager;
} public void setBookmanager(BookManager bookmanager) {
this.bookmanager = bookmanager;
} public List<Book> getList() {
return list;
} public void setList(List<Book> list) {
this.list = list;
} public String getBname() {
return bname;
} public void setBname(String bname) {
this.bname = bname;
}}
import admin.Book;public class BookManagerImpl implements BookManager {
private BookDao bookdao; @SuppressWarnings("unchecked")
public List booklist() {
return bookdao.booklist();
} public void addBook(Book book) {
bookdao.addBook(book);
} public BookDao getBookdao() {
return bookdao;
} public void setBookdao(BookDao bookdao) {
this.bookdao = bookdao;
}}
直接拿的dao的结果