updatestudentaction.java

为基于J2EE（Java2 Platform

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.1/xslt/JavaClass.xsl

package com.huang.actions;

import java.util.ArrayList;
import java.util.HashMap;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.huang.common.DB.DBtool;
import com.huang.forms.UpdateStudentForm;

public class UpdateStudentAction extends Action {

	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) {
		UpdateStudentForm updateStudentForm = (UpdateStudentForm) form;
		// TODO Auto-generated method stub
		
		String index = (String)request.getParameter("index");
		
		if(index.equals("first")) {
			ArrayList list = DBtool.getDataList("tb_profession",new String[]{"profession_id","profession_name"});
			request.setAttribute("profession",list);
			
			String student_id = (String)request.getParameter("id");
			
			ArrayList list1 = DBtool.getDataList("tb_student",new String[]{"student_name","profession_id","student_sex"},"student_id='"+student_id+"'");
			request.setAttribute("student_name",((HashMap)list1.get(0)).get("student_name").toString());
			request.setAttribute("profession_id",((HashMap)list1.get(0)).get("profession_id").toString());
			request.setAttribute("student_sex",((HashMap)list1.get(0)).get("student_sex").toString());
			request.setAttribute("student_id",student_id);
			return mapping.findForward("first");
			
		}
		if(index.equals("update")) {
			String student_id = (String)request.getParameter("id");
			String student_name = updateStudentForm.getStudent_name();
			String student_sex = updateStudentForm.getStudent_sex();
			String profession_id = updateStudentForm.getProfession_id();
			
			String sql = "update tb_student set student_name='"+student_name+"',student_sex='"+student_sex+"',profession_id='"+profession_id+"' where student_id='"+student_id+"'";
			DBtool.updateData(sql);
			return mapping.findForward("success");
		}
		return null;
	}

}