小编sss*_*sss的帖子

我必须将我的dataTable转换为惰性dataTable。我该怎么做？这是我的示例代码：

IndexBean.java

@Name("indexBean")
public class IndexBean implements Serializable {

    private static final long serialVersionUID = 1L;

    @Inject
    UserService userService;
    private List<User> userList;

    @Inject
    MessageService messageService;
    private List<Message> messageList;

    private Integer dataTableRendered;

    public void getAllUser() {
        setDataTableRendered(1);
        userList = new ArrayList<User>();
        userList = userService.getAllUser();
        if (userList.size() > 0) {
            addMessageSuccess("Success", "Success");
        } else {
            addMessageError("Failure", "Failure!");
        }
    }

    public void getAllMessages() {
        setDataTableRendered(2);
        messageList = new ArrayList<Message>();
        messageList = messageService.getAllMessages();
        if (messageList.size() > 0) {
            addMessageSuccess("Success", "Success");
        } else {
            addMessageError("Failure", …