?? goodstypeuser.java
字號:
package com.logistic.taglib;
import com.logistic.data.DataConnect;
import com.logistic.business.GoodsTypeManager;
import com.logistic.model.GoodsTypeInfo;
import java.util.Vector;
import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.http.HttpServletRequest;
import java.sql.ResultSet;
import java.sql.Statement;
public class GoodsTypeUser extends TagSupport{
private static final long serialVersionUID = 7766184319541530720L;
DataConnect dc=new DataConnect();
Statement stat=null;
ResultSet rs=null;
String goodsname=null;
String catename=null;
public int doEndTag() throws JspException{
JspWriter out=pageContext.getOut();
HttpServletRequest request=(HttpServletRequest)pageContext.getRequest();
String str=(String)request.getQueryString();
int page;
if(str==null||str.equals("")){
page=1;
}else{
String[] aa=str.split("=");
page=Integer.parseInt(aa[1]);
}
try{
String sqls=new String("select * from typetable order by TypeId ASC");
int count=dc.selectdata(sqls);
int totalpages=0;
if(count%5==0){
totalpages=count/5;
}else{
totalpages=count/5+1;
}
int currentpage=1;
if(page==-4){
currentpage=totalpages;
}else if(page==-3){
currentpage=currentpage+1;
}else if(page==-2){
if(currentpage==1){
currentpage=1;
}else{
currentpage=currentpage-1;
}
}else{
currentpage=1;
}
GoodsTypeManager gtm=new GoodsTypeManager();
Vector items=gtm.GoodsTypeSearch(sqls, page);
//輸出商品型號信息列表頭
out.println("<table width=\"670\" height=\"22\" border=\"1\" align=\"center\" cellpadding=\"1\" cellspacing=\"0\" bordercolor=\"#666699\">");
out.println("<tr>");
out.println("<td height=\"20\" align=\"center\" class=\"style14\">商品型號信息列表</td>");
out.println("</tr>");
out.println("</table>");
//輸出商品型號信息內容
int span=5,j=0;//span標識每頁顯示5條信息,j是一個計數器
String path=request.getContextPath();
for(int i=0;i<items.size();i++){
GoodsTypeInfo gti=(GoodsTypeInfo)items.elementAt(i);
//根據商品型號取得和其相對應的商品的名稱
try{
String strgn="select * from goodsinfotable where TypeId="+gti.getTypeid();
stat=dc.getStmtread();
rs=stat.executeQuery(strgn);
while(rs.next()){
goodsname=rs.getString("GoodsName");
}
}catch(Exception ex){ex.printStackTrace();}finally{dc.close();}
//根據商品的分類編號取得商品的分類名稱
try{
String strcn="select * from commcatetable where CommodityId="+gti.getCategoryid();
stat=dc.getStmtread();
rs=stat.executeQuery(strcn);
while(rs.next()){
catename=rs.getString("CommodityName");
}
}catch(Exception ex){ex.printStackTrace();}finally{dc.close();}
//輸出商品型號詳細信息
out.println("<table width=\"670\" border=\"1\" align=\"center\" cellpadding=\"1\" cellspacing=\"0\" bordercolor=\"#666699\">");
out.println("<tr>");
out.println("<td width=\"35\" align=\"right\" class=\"code\">編號:</td>");
out.println("<td width=\"52\" align=\"center\">"+gti.getTypeid()+"</td>");
out.println("<td width=\"68\" align=\"right\" class=\"code\">商品名稱:</td>");
out.println("<td width=\"109\" height=\"23\" align=\"center\">"+goodsname+"</td>");
out.println("<td width=\"63\" align=\"right\" class=\"code\">商品分類:</td>");
out.println("<td width=\"73\" align=\"center\">"+catename+"</td>");
out.println("<td width=\"60\" align=\"left\" class=\"code\">型號名稱:</td>");
out.println("<td align=\"center\">"+gti.getTypename()+"</td>");
out.println("</tr>");
out.println("</table>");
out.println("<table width=\"670\" height=\"7\" border=\"0\" align=\"center\" cellpadding=\"1\" cellspacing=\"0\" bordercolor=\"#666699\" bgcolor=\"#CCCCCC\">");
out.println("<tr>");
out.println("<td height=\"7\"> </td>");
out.println("</tr>");
out.println("</table>");
j++;
if(j==span)break;
}
//輸出頁次和翻頁鏈接信息
out.println("<table width=\"670\" height=\"22\" border=\"1\" align=\"center\" cellpadding=\"1\" cellspacing=\"0\" bordercolor=\"#666699\">");
out.println("<tr>");
out.println("<td width=\"163\" height=\"20\">頁次:"+currentpage+"/"+totalpages+"頁;每頁5條信息共"+count+"</td>");
out.println("<td width=\"497\" height=\"20\" align=\"center\" ><a href=\"usergoodstype.jsp?arg1=-1\"><img src=\""+path+"/image/begin.jpg\" border=\"0\"></a> " +
"<a href=\"usergoodstype.jsp?arg2=-2\"><img src=\""+path+"/image/1-prev.gif\" border=\"0\"></a> " +
"<a href=\"usergoodstype.jsp?arg3=-3\"><img src=\""+path+"/image/1-next.gif\" border=\"0\"></a> " +
"<a href=\"usergoodstype.jsp?arg4=-4\"><img src=\""+path+"/image/end.jpg\" border=\"0\"></a></td>");
out.println("</tr>");
out.println("</table>");
}catch(Exception ex){ex.printStackTrace();}finally{dc.close();}
return SKIP_BODY;
}
}
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