selectstudentaction.java

来自「Struts+Spring+Hibernate 增删改查」· Java 代码 · 共 57 行

package com.yumeng.ssidemo.action;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.LookupDispatchAction;

import com.yumeng.ssidemo.po.Student;
import com.yumeng.ssidemo.service.StudentService;


public class SelectStudentAction extends LookupDispatchAction {
	private StudentService studentService;
	public StudentService getStudentService() {
		return studentService;
	}
	public void setStudentService(StudentService studentService) {
		this.studentService = studentService;
	}
	public ActionForward selectById(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
	    String parameter = request.getParameter("parameter");
	    int id = 0;
	    try{
	    	id = Integer.parseInt(parameter);
	    	Student stu = studentService.selectStudentById(id);
	    	System.out.println(stu);
	    	request.setAttribute("student", stu);
	    	return mapping.findForward("select");
	    }catch(Exception e){
	    	e.printStackTrace();
	    	return mapping.findForward("select");
	    }
	}
	public ActionForward selectByName(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String name = request.getParameter("parameter");
		Student stu = studentService.selectStudentByName(name);
		request.setAttribute("student", stu);
		return mapping.findForward("/select.jsp");
	}

	
	protected Map getKeyMethodMap() {
	    Map<String, String> map = new HashMap<String, String>();
	    map.put("student.message.id", "selectById");
	    map.put("student.message.name", "selectByName");
		return map;
	}
}