addstudentaction.java

使用struts+spring+JDBC 实现的学生选课管理系统

package bit.jeffy.action;

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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import bit.jeffy.bean.NewStudent;
import bit.jeffy.entity.Student;
import bit.jeffy.service.StudentDao;

public class AddStudentAction extends Action{

	private StudentDao studentdao;
	public ActionForward execute(ActionMapping map, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		// TODO 自动生成方法存根
		ActionMessages errors = new ActionMessages();
		String xh = (String)((NewStudent)form).getXh();
		String password = (String)((NewStudent)form).getPassword();
		String password_ag = (String)((NewStudent)form).getPassword_ag();
		String xm = (String)((NewStudent)form).getXm();
		String yx = (String)((NewStudent)form).getYx();
		String major = (String)((NewStudent)form).getMajor();
		xh = new String(xh.getBytes("ISO-8859-1"),"GB2312");
		password = new String(password.getBytes("ISO-8859-1"),"GB2312");
		password_ag = new String(password_ag.getBytes("ISO-8859-1"),"GB2312");
		xm = new String(xm.getBytes("ISO-8859-1"),"GB2312");
		yx = new String(yx.getBytes("ISO-8859-1"),"GB2312");
		major = new String(major.getBytes("ISO-8859-1"),"GB2312");
		
		if(xh == null || xh.equals("")){
			errors.add("fail_1",new ActionMessage("AddStudentAction.a"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		if(password == null || password.equals("")){
			errors.add("fail_2",new ActionMessage("AddStudentAction.b"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		if(major == null || major.equals("")){
			errors.add("fail_3",new ActionMessage("AddStudentAction.c"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		if(!password.equals(password_ag)){
			errors.add("fail_4",new ActionMessage("AddStudentAction.d"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		
		Student stu = new Student();
		stu.setXh(xh);
		stu.setPassword(password);
		stu.setXm(xm);
		stu.setYx(yx);
		stu.setMajor(major);
		if(studentdao.validate(stu)){
			errors.add("fail_6",new ActionMessage("AddStudentAction.f"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}
		
		if(studentdao.add(stu)){
			return (map.findForward("addok"));
		}else{
			errors.add("fail_5",new ActionMessage("AddStudentAction.e"));
			saveErrors(request,errors);
			return (map.getInputForward());
		}

	}
	public StudentDao getStudentdao() {
		return studentdao;
	}
	public void setStudentdao(StudentDao studentdao) {
		this.studentdao = studentdao;
	}

}