userbean.java

jsf 框架 得 一个实现代码 实现增删改查功能

package com.softeem.jsf.bean;

import java.util.List;

import javax.faces.model.DataModel;
import javax.faces.model.ListDataModel;

import com.softeem.jsf.model.UserDTO;

public class UserBean {

	private DataModel userInfo;
	private UserDTO dto;
	UserService us = new UserService();
	public DataModel getUserInfo() {
		if(userInfo==null)
		{
			userInfo = new ListDataModel();
		}
		List<UserDTO> list = us.findAll();
		userInfo.setWrappedData(list);
		return userInfo;
	}
	public void setUserInfo(DataModel userInfo) {
		this.userInfo = userInfo;
	}
	public UserDTO getDto() {
		return dto;
	}
	public void setDto(UserDTO dto) {
		this.dto = dto;
	}
	public String list()
	{
		return "list:ok";
	}
	public String preAdd()
	{
		this.setDto(new UserDTO());
		return "preAdd:ok";
	}
	public String add()
	{
		us.insert(this.getDto());
		return "add:ok";
		
	}
	public String preEdit() {
		this.dto = (UserDTO) userInfo.getRowData();
		dto = us.getByid(dto.getId());
		return "preEdit:ok";
	}
	public String edit(){
		us.update(this.getDto());
		return "edit:ok";
	}
	public String del(){
		this.dto = (UserDTO) userInfo.getRowData();
		us.delete(dto.getId());
		return "del:ok";
	}
	
}