一个SSH的入门完整例子

package org.ssh.action; import java.util.List; import org.apache.struts2.ServletActionContext; import org.ssh.pojo.Userinfo; import org.ssh.service.UserManagerService; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; /** * 用户管理控制器 * */ public class UserManagerAct extends ActionSupport { private static final long serialVersionUID = -281275682819237996L; private Userinfo user = new Userinfo(); private UserManagerService<Userinfo> userService; private List<Userinfo> users; private String searchText; public String doLogin(){ if(this.user.getUname() == null || this.user.getPassword() == null) return INPUT; try { Userinfo user = userService.doLogin(this.user.getUname(), this.user.getPassword()); if(user != null){ ActionContext.getContext().getSession().put("userinfo", user); return doQuery(); }else return INPUT; } catch (Exception e) { return ERROR; } } public String doQuery(){ searchText = getParam("queryText"); users = userService.queryUsers(searchText,Userinfo.class); return SUCCESS; } public String doAdd(){ String result = ""; try { String param = getParam("param"); if(Integer.parseInt(param) > 0){ user.setId(0); userService.addUser(user); result = doQuery(); }else result = "addUser"; } catch (Exception e) { e.printStackTrace(); } return result; } public String doEdit(){ try { Integer param = Integer.parseInt(getParam("param")); if(param == 0){ Integer id = Integer.parseInt(getParam("id")); user = userService.getUser(Userinfo.class, id); return "editUser"; }else if(param == 1){ userService.modifyUser(user); } } catch (Exception e) { e.printStackTrace(); } return doQuery(); } public String doDelete(){ try { Integer param = Integer.parseInt(getParam("id")); userService.deleteUser(param,Userinfo.class); } catch (Exception e) { e.printStackTrace(); } return doQuery(); } protected String getParam(String key){ return ServletActionContext.getRequest().getParameter(key); } public UserManagerService<Userinfo> getUserService() { return userService; } public void setUserService(UserManagerService<Userinfo> userService) { this.userService = userService; } public List<Userinfo> getUsers() { return users; } public Userinfo getUser() { return user; } public void setUser(Userinfo user) { this.user = user; } public String getSearchText() { return searchText; } public void setSearchText(String searchText) { this.searchText = searchText; } }