基于jsp的都市供求信息网设计与实现

package com.yxq.action; import java.util.List; import com.yxq.actionSuper.AdminSuperAction; import com.yxq.dao.OpDB; import com.yxq.model.CreatePage; public class AdminAction extends AdminSuperAction { /** 功能：管理员操作-进行列表显示信息 */ public String ListShow(){ request.setAttribute("mainPage","../info/listshow.jsp"); session.remove("adminOP"); int infoType=showType.getInfoType(); String stateType=showType.getStateType(); String payforType=showType.getPayforType(); session.put("infoType",Integer.valueOf(infoType)); //保存已选择的“信息类别”的选项 session.put("payforType",payforType); //保存已选择的“付费状态”的选项 session.put("stateType",stateType); //保存已选择的“审核状态”的选项 String sqlall=""; String sqlsub=""; Object[] params=null; String mark=""; int perR=8; if(!stateType.equals("all")&&!payforType.equals("all")){ //没有同时选择“付费状态”与“审核状态”中的“全部”选项 mark="1"; sqlall="SELECT * FROM tb_info WHERE (info_type=?) AND (info_state=?) AND (info_payfor=?) ORDER BY info_date DESC"; sqlsub="SELECT TOP "+perR+" * FROM tb_info WHERE (info_type=?) AND (info_state=?) AND (info_payfor=?) ORDER BY info_date DESC"; params=new Object[3]; params[0]=Integer.valueOf(infoType); params[1]=stateType; params[2]=payforType; }else if(stateType.equals("all")&&payforType.equals("all")){ //同时选择了“付费状态”与“审核状态”中的“全部”选项 mark="2"; sqlall="SELECT * FROM tb_info WHERE (info_type=?) ORDER BY info_date DESC"; sqlsub="SELECT TOP "+perR+" * FROM tb_info WHERE (info_type=?) ORDER BY info_date DESC"; params=new Object[1]; params[0]=Integer.valueOf(infoType); }else if(payforType.equals("all")){ //选择了“付费状态”中的“全部”选项，“审核状态”选项任意 mark="3"; sqlall="SELECT * FROM tb_info WHERE (info_type=?) AND (info_state=?) ORDER BY info_date DESC"; sqlsub="SELECT TOP "+perR+" * FROM tb_info WHERE (info_type=?) AND (info_state=?) ORDER BY info_date DESC"; params=new Object[2]; params[0]=Integer.valueOf(infoType); params[1]=stateType; } else if(stateType.equals("all")){ //选择了“审核状态”中的“全部”选项，“付费状态”选项任意 mark="4"; sqlall="SELECT * FROM tb_info WHERE (info_type=?) AND (info_payfor=?) ORDER BY info_date DESC"; sqlsub="SELECT TOP "+perR+" * FROM tb_info WHERE (info_type=?) AND (info_payfor=?) ORDER BY info_date DESC"; params=new Object[2]; params[0]=Integer.valueOf(infoType); params[1]=payforType; } String strCurrentP=request.getParameter("showpage"); String gowhich="admin_ListShow.action"; OpDB myOp=new OpDB(); CreatePage createPage=myOp.OpCreatePage(sqlall, params,perR,strCurrentP,gowhich); //调用OpDB类中的OpCreatePage()方法计算出总记录数、总页数，并且设置当前页码，这些信息都封装到了createPage对象中 int currentP=createPage.getCurrentP(); if(currentP>1){ int top=(currentP-1)*perR; if(mark.equals("1")){ sqlsub="SELECT TOP "+perR+" * FROM tb_info i WHERE (info_type = ?) AND (info_payfor = ?) AND (info_state = ?) AND (info_date < (SELECT MIN(info_date) FROM (SELECT TOP "+top+" (info_date) FROM tb_info WHERE (info_type = i.info_type) AND (info_payfor = i.info_payfor) AND (info_state = i.info_state) ORDER BY info_date DESC) AS mindate)) ORDER BY info_date DESC"; } else if(mark.equals("2")){ sqlsub="SELECT TOP "+perR+" * FROM tb_info i WHERE (info_type = ?) AND (info_date < (SELECT MIN(info_date) FROM (SELECT TOP "+top+" (info_date) FROM tb_info WHERE (info_type = i.info_type) ORDER BY info_date DESC) AS mindate)) ORDER BY info_date DESC"; } else if(mark.equals("3")){ sqlsub="SELECT TOP "+perR+" * FROM tb_info i WHERE (info_type = ?) AND (info_state = ?) AND (info_date < (SELECT MIN(info_date) FROM (SELECT TOP "+top+" (info_date) FROM tb_info WHERE (info_type = i.info_type) AND (info_state = i.info_state) ORDER BY info_date DESC) AS mindate)) ORDER BY info_date DESC"; } else if(mark.equals("4")){ sqlsub="SELECT TOP "+perR+" * FROM tb_info i WHERE (info_type = ?) AND (info_payfor = ?) AND (info_date < (SELECT MIN(info_date) FROM (SELECT TOP "+top+" (info_date) FROM tb_info WHERE (info_type = i.info_type) AND (info_payfor = i.info_payfor) ORDER BY info_date DESC) AS mindate)) ORDER BY info_date DESC"; } } List adminlistshow=myOp.OpListShow(sqlsub, params); request.setAttribute("adminlistshow",adminlistshow); request.setAttribute("createpage",createPage); return SUCCESS; } /** 功能：管理员操作-显示要审核的信息 */ public String CheckShow(){ request.setAttribute("mainPage","../info/checkshow.jsp"); comebackState(); String sql="SELECT * FROM tb_info WHERE (id = ?)"; String checkID=request.getParameter("checkID"); if(checkID==null||checkID.equals("")) checkID="-1"; Object[] params={checkID}; OpDB myOp=new OpDB(); infoSingle=myOp.OpSingleShow(sql, params); if(infoSingle==null){ //信息不存在 request.setAttribute("mainPage","/pages/error.jsp"); addFieldError("AdminShowNoExist",getText("city.singleshow.no.exist")); } return SUCCESS; } /** 功能：管理员操作-审核信息(更新数据库) */ public String Check(){ session.put("adminOP","Check"); //记录当前操作为“审核信息” String checkID=request.getParameter("checkID"); String sql="UPDATE tb_info SET info_state = 1 WHERE (id = ?)"; Object[] params={checkID}; OpDB myOp=new OpDB(); int i=myOp.OpUpdate(sql, params); if(i>0){ //审核信息成功 return "checkSuccess"; } else{ //审核信息失败 comebackState(); addFieldError("AdminCheckUnSuccess",getText("city.admin.check.no.success")); request.setAttribute("mainPage","/pages/error.jsp"); return "UnSuccess"; } } /** 功能：管理员操作-删除信息(更新数据库) */ public String Delete(){ session.put("adminOP","Delete"); //记录当前操作为“删除信息” String deleteID=request.getParameter("deleteID"); String sql="DELETE tb_info WHERE (id = ?)"; Object[] params={deleteID}; OpDB myOp=new OpDB(); int i=myOp.OpUpdate(sql, params); if(i>0){ //删除信息成功 return "deleteSuccess"; } else{ //删除信息失败 comebackState(); addFieldError("AdminDeleteUnSuccess",getText("city.admin.delete.no.success")); request.setAttribute("mainPage","/pages/error.jsp"); return "UnSuccess"; } } /** 功能：管理员操作-显示要进行付费设置的信息 */ public String SetMoneyShow(){ request.setAttribute("mainPage","../info/moneyshow.jsp"); String moneyID=request.getParameter("moneyID"); if(moneyID==null||moneyID.equals("")) moneyID="-1"; String sql="SELECT * FROM tb_info WHERE (id = ?)"; Object[] params={moneyID}; OpDB myOp=new OpDB(); infoSingle=myOp.OpSingleShow(sql, params); if(infoSingle==null){ //信息不存在 request.setAttribute("mainPage","/pages/error.jsp"); addFieldError("AdminShowNoExist",getText("city.singleshow.no.exist")); } return SUCCESS; } /** 功能：管理员操作-设置已付费信息(更新数据库) */ public String SetMoney(){ String moneyID=request.getParameter("moneyID"); if(moneyID==null||moneyID.equals("")) moneyID="-1"; String sql="UPDATE tb_info SET info_payfor=1 WHERE (id = ?)"; Object[] params={Integer.valueOf(moneyID)}; OpDB myOp=new OpDB(); int i=myOp.OpUpdate(sql, params); if(i>0){ //信息付费设置成功 addFieldError("AdminSetMoneySuccess",getText("city.admin.setmoney.success")); request.setAttribute("mainPage","/pages/error.jsp"); return "setMoneySuccess"; } else{ //信息付费设置失败 addFieldError("AdminSetMoneyUnSuccess",getText("city.admin.setmoney.no.success")); request.setAttribute("mainPage","/pages/error.jsp"); return "UnS