SSH框架之Action

package cn.itcast.oa.view.action;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import cn.itcast.oa.domain.Role;
import cn.itcast.oa.service.RoleService;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
@Controller
@Scope("prototype")
public class RoleAction extends ActionSupport{
    private Long id;
    private String name;
    private String description;
    @Resource
    private RoleService roleService;
    /**
     * 列表
     * @return
     * @throws Exception
     */
    public String list() throws Exception{
        List<Role> roleList = roleService.findAll();
        ActionContext.getContext().put("roleList", roleList);
        return "list";
    }
    /**
     * 删除
     * @return
     * @throws Exception
     */
    public String delete() throws Exception{
        return "toList";
    }
    /**
     * 添加
     * @return
     * @throws Exception
     */
    public String add() throws Exception{
         Role role = new Role();
         role.setName(name);
         role.setDescription(description);
         roleService.save(role);
        return "toList";
    }
    /**
     * 修改
     * @return
     * @throws Exception
     */
    public String edit() throws Exception{
        //要更新到数据库
        Role role = roleService.getById(id);
        role.setName(name);
        role.setDescription(description);
        roleService.update(role);
        return "toList";
    }
    /**
     * 添加页面
     * @return
     * @throws Exception
     */
    public String addUI() throws Exception{
        return "addUI";
    }
    /**
     * 修改页面
     * @return
     * @throws Exception
     */
    public String editUI() throws Exception{
        //准备回显的数据
        Role role=roleService.getById(id);
        //ActionContext.getContext().getValueStack().push(role);
        this.name=role.getName();
        this.description=role.getDescription();
        return "editUI";
    }
}

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