package com.java1234.action;//所在的包

 import java.sql.Connection;//数据库连接的类
import java.util.ArrayList;//ArrayList和List是在private List<DataDic> dataDicList=new ArrayList<DataDic>();中用到
import java.util.List;//ArrayList和List是在private List<DataDic> dataDicList=new ArrayList<DataDic>();中用到 import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession; import net.sf.json.JSONObject; import org.apache.struts2.ServletActionContext;//访问Servlet API的时候使用的非IOC方式 ,方法一:org.apache.Structs2.ServletActionContext获取session,request,response
import org.apache.struts2.interceptor.ServletRequestAware; ////访问Servlet API的时候 使用的IOC方式(Inversion of Control,自身不创建对象,仅仅描述创建它们的方式.)这里是 让Action实现ServletRequestAware接口而已,没有实现ServletResponseAware接口还有 SessionWare接口 import com.java1234.dao.DataDicDao;
import com.java1234.model.DataDic;
import com.java1234.model.PageBean;
import com.java1234.util.DbUtil;
import com.java1234.util.NavUtil;
import com.java1234.util.PageUtil;
import com.java1234.util.PropertiesUtil;
import com.java1234.util.ResponseUtil;
import com.java1234.util.StringUtil;
import com.opensymphony.xwork2.ActionSupport;//action需要继承这个类 /*这里是让类实现ServletRequestAware接口就是非IOC方式,没有实现ServletResponseAware接 口还有SessionWare接口*/
// 这里是让类继承了ActionSupport这个类,实现IOC方式
public class DataDicAction extends ActionSupport implements ServletRequestAware{ /**
*
*/
private static final long serialVersionUID = 1L; private HttpServletRequest request;//定义request
private DbUtil dbUtil=new DbUtil();
private DataDicDao dataDicDao=new DataDicDao();
private List<DataDic> dataDicList=new ArrayList<DataDic>();//定义一个DataDic 类型的ArrayLst,但是ArrayList定义的时候需要用List a=new ArrayList();定义 private String mainPage;
private String navCode; private String s_ddTypeName; private String page;
private int total;
private String pageCode; private String ddId; public String getDdId() {
return ddId;
} public void setDdId(String ddId) {
this.ddId = ddId;
} public String getPage() {
return page;
} public void setPage(String page) {
this.page = page;
} public int getTotal() {
return total;
} public void setTotal(int total) {
this.total = total;
} public String getPageCode() {
return pageCode;
} public void setPageCode(String pageCode) {
this.pageCode = pageCode;
} public List<DataDic> getDataDicList() {
return dataDicList;
} public void setDataDicList(List<DataDic> dataDicList) {
this.dataDicList = dataDicList;
} public String getMainPage() {
return mainPage;
} public void setMainPage(String mainPage) {
this.mainPage = mainPage;
} public String getNavCode() {
return navCode;
} public void setNavCode(String navCode) {
this.navCode = navCode;
} public String getS_ddTypeName() {
return s_ddTypeName;
} public void setS_ddTypeName(String s_ddTypeName) {
this.s_ddTypeName = s_ddTypeName;
} public String list(){//定义一个方法
if(StringUtil.isEmpty(page)){
page="1";
}
Connection con=null;
try{
HttpSession session=request.getSession();//非IoC方式的第一种 方法:使用org.apache.struts2.SerVletActionContext获取session对象
DataDic s_dataDic=new DataDic();
if(s_ddTypeName!=null){
s_dataDic.setDdTypeName(s_ddTypeName);//非IoC方式的第 一种方法:使用org.apache.struts2.SerVletActionContext获取session对象
session.setAttribute("s_ddTypeName", s_ddTypeName);// 非IoC方式的第一种方法:使用org.apache.struts2.SerVletActionContext获取session对象
}else{
Object o=session.getAttribute("s_ddTypeName");//非IoC 方式的第一种方法:使用org.apache.struts2.SerVletActionContext获取session对象
if(o!=null){
s_ddTypeName=(String)session.getAttribute ("s_ddTypeName");//非Ioc方式的第一种方法:使用org.apache.struts2.SerVletActionContext 获取session对象
s_dataDic.setDdTypeName(s_ddTypeName);
}
}
PageBean pageBean=new PageBean(Integer.parseInt (page),Integer.parseInt(PropertiesUtil.getValue("pageSize")));
con=dbUtil.getCon();
dataDicList=dataDicDao.dataDicList(con,s_dataDic,pageBean);
total=dataDicDao.dataDicCount(con, s_dataDic);
pageCode=PageUtil.genPagation(request.getContextPath ()+"/dataDic!list", total, Integer.parseInt(page), Integer.parseInt (PropertiesUtil.getValue("pageSize")));
navCode=NavUtil.getNavgation("系统管理", "数据字典维护");
mainPage="dataDic/dataDicList.jsp";
}catch(Exception e){
e.printStackTrace();
}finally{
try {
dbUtil.closeCon(con);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return SUCCESS;
} @Override
public void setServletRequest(HttpServletRequest request) {//IoC方式访问 Servlet API,要用到request对象。为request方法添加setter方法
// TODO Auto-generated method stub
this.request=request;
} public String delete(){
Connection con=null;
try{
con=dbUtil.getCon();
JSONObject resultJson=new JSONObject();
dataDicDao.dataDicDelete(con, ddId);
resultJson.put("success", true);
ResponseUtil.write(resultJson, ServletActionContext.getResponse());//非Ioc方式的第一种方法:使用 org.apache.struts2.SerVletActionContext
}catch(Exception e){
e.printStackTrace();
}finally{
try {
dbUtil.closeCon(con);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return null;
}
}
04-29 02:08