empaddaction.java

基于struts的employee

package StudyNote;

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 javax.servlet.ServletContext;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.SQLException;

import java.util.*;
import javax.servlet.http.*;
import org.apache.struts.validator.DynaValidatorForm;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

public final class EmpAddAction extends Action{  
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,  
		HttpServletResponse response) throws Exception {
			
   		DynaValidatorForm empForm = (DynaValidatorForm) form;         
		String name = (String)empForm.get("name");
		String sex = (String)empForm.get("sex");
		String birthday = (String)empForm.get("birthday");
		String tel = (String)empForm.get("tel");
		Integer depId = (Integer)empForm.get("depId");
		String duty = (String)empForm.get("duty");
		String degree = (String)empForm.get("degree");
		String exp = (String)empForm.get("exp");
		
        HttpSession session = request.getSession();
		Vector empList = new Vector();
		
   		ServletContext context = servlet.getServletContext();
		DataSource dataSource = 
			(DataSource)context.getAttribute(Constants.DATASOURCE_KEY);
						
        DB db = new DB(dataSource);
        
		String PageForward;
		Emp emp=new Emp();
		emp.setName(name) ;
		emp.setSex(sex) ;
		emp.setDuty(duty) ;
		emp.setTel(tel) ;
		emp.setDepId(depId.intValue()) ;
		emp.setBirthday(birthday) ;
		emp.setDegree(degree) ;
		emp.setExp(exp) ;
		
		ActionMessages errors = new ActionMessages();
		//避免重复提交
		if (!isTokenValid(request)){
			PageForward="toEmpQueryResult";					
 			saveToken(request);  
 		}
		else {
 			resetToken(request);  //避免重复提交
			if (emp.Insert(db)){
				empList = Emp.Search(db,depId.intValue(),"");
				session.setAttribute(Constants.EMP_LIST_KEY,empList);
				PageForward="toEmpQueryResult";					
			}
			else{
            	errors.add(ActionMessages.GLOBAL_MESSAGE,
                           new ActionMessage("errors.insertFail"));
				if (!errors.isEmpty()) {
					saveErrors(request, errors);
				} 
 				PageForward="toWrong";  
			}
		}
   		
		db.close();
	   	return (mapping.findForward(PageForward));					
 	}	
}