小弟刚学struts2.0public class UserAction extends ActionSupport {
/**
*
*/
private static final long serialVersionUID = 1L; private String userid; private String username; private String password; UserServiceImpl service = new UserServiceImpl(); public String login() throws Exception {
List<User> userList = service.login(username, password);
if (userList.size() ==1) {
return "suc";
} else {
return "fal";
}
}
public List showUser() throws Exception{
List userList = new ArrayList();
userList = service.showUser();
return userList;
} public String getPassword() {
return password;
} public void setPassword(String password) {
System.out.println("password:" + password);
this.password = password;
} public String getUserid() {
return userid;
} public void setUserid(String userid) {
System.out.println(userid);
this.userid = userid;
} public String getUsername() {
return username;
} public void setUsername(String username) {
System.out.println("username:" + username);
this.username = username;
}我做跳转和1.x是一样的,但action里用什么存放对象呢?
/**
*
*/
private static final long serialVersionUID = 1L; private String userid; private String username; private String password; UserServiceImpl service = new UserServiceImpl(); public String login() throws Exception {
List<User> userList = service.login(username, password);
if (userList.size() ==1) {
return "suc";
} else {
return "fal";
}
}
public List showUser() throws Exception{
List userList = new ArrayList();
userList = service.showUser();
return userList;
} public String getPassword() {
return password;
} public void setPassword(String password) {
System.out.println("password:" + password);
this.password = password;
} public String getUserid() {
return userid;
} public void setUserid(String userid) {
System.out.println(userid);
this.userid = userid;
} public String getUsername() {
return username;
} public void setUsername(String username) {
System.out.println("username:" + username);
this.username = username;
}我做跳转和1.x是一样的,但action里用什么存放对象呢?
public String login() throws Exception {
List<User> userList = service.login(username, password);
if (userList.size() ==1) {
return "suc";
} else {
return "fal";
}
}
这里不报个错?
一般这样写好点,有个默认值
public String login() throws Exception {
List<User> userList = service.login(username, password);
if (userList.size() ==1) {
return "suc";
} return "fal";
}
public List showUser() throws Exception{
List userList = new ArrayList();
userList = service.showUser();
return userList;
}
怎么把list传到相应的页面上?本人菜鸟不要笑
public class UserAction extends ActionSupport {
/**
*
*/
private static final long serialVersionUID = 1L; private String userid; private String username; private String password; private String msg;
private List userList; UserServiceImpl service = new UserServiceImpl(); public String login() throws Exception {
List<User> userList = service.login(username, password);
if (userList.size() ==1) {
msg "suc";
} else {
msg "fal";
}
return SUCCESS; }
public String showUser() throws Exception{
userList = service.showUser();
return SUCCESS;
} public String getPassword() {
return password;
} public void setPassword(String password) {
System.out.println("password:" + password);
this.password = password;
} public String getUserid() {
return userid;
} public void setUserid(String userid) {
System.out.println(userid);
this.userid = userid;
} public String getUsername() {
return username;
} public void setUsername(String username) {
System.out.println("username:" + username);
this.username = username;
}
}
你在execute()方法中调用刚才的那个方法,然后将返回值保存到作用域中
比如保存到request.put("list",list);中了
在页面中就可以使用#request.list得到那个list了
如果你的这个list在action是一个成员变量而且提供了getter和setter的话你可以直接在页面中使用
相应的get set方法
然后在action excute()方法中得到需要list值
这样就可以直接到jsp页面中用
<s:iterator value="list" id="">迭代list了