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Parameter.java
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package com.action;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.void;
import com.actionForm.ParameterForm;
import com.dao.ParameterDAO;
import org.apache.struts.action.Action;
public class Parameter extends Action {
ParameterDAO parameterDAO=null;
public Parameter(){
parameterDAO=new ParameterDAO();
}
public void execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
ParameterForm parameterForm=(ParameterForm) form;
String str=request.getParameter("action");
if("parameterQuery".equals(str)){
return parameterModifyQuery(request,response);
}else if("parameterModify".equals(str)){
return parameterModify(request,response);
}
request.setAttribute("error","您的操作有误！");
request.getRequestDispatcher("error.jsp").forward(request, response);
}
private void parameterModify(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response
){
ParameterForm parameterForm = (ParameterForm) form;
parameterForm.setId(parameterForm.getId());
parameterForm.setCost(parameterForm.getCost());
parameterForm.setValidity(parameterForm.getValidity());
int ret = parameterDAO.update(parameterForm);
if (ret ==0) {
request.setAttribute("error", "参数设置信息修改失败！");
request.getRequestDispatcher("error.jsp").forward(request, response);
} else {
return mapping.findForward("parametermodify");
}
}
private void parameterModifyQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response
){
request.setAttribute("parameterModifyif",parameterDAO.query());
return mapping.findForward("parametermodifyQuery");
}
}