loginadmin.java

基于J2EE的网络物流系统 用户操作： 1． 录入出库商品信息 2． 查询出库单信息 3． 录入入库商品信息 4． 查询入库单信息 5． 查询商品位置信息 6． 查询商品信息 7． 查

package com.logistic.taglib;

import com.logistic.data.DataConnect;
import com.logistic.business.LoginManager;
import com.logistic.model.LoginInfo;
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 LoginAdmin extends TagSupport{
	
	private static final long serialVersionUID = 7766184319541530720L;
	
	DataConnect dc=new DataConnect();
	Statement stat=null;
	ResultSet rs=null;
	String    loginame=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]);
			System.out.println("page="+page);
		}
		
		try{
			
	    	String sqls=new String("select * from logintable order by ID ASC");
	    	int totalpages=0;
	    	int count=dc.selectdata(sqls);
	    	if(count%5==0){
	    		totalpages=count/5;
	    		}else{
	    		totalpages=count/5+1;
	    		}
	    	int currentpage=1;
	    	if(page==-4){
	    		currentpage=totalpages;
	    	   }else if(page==-3){
	    		      if(currentpage==totalpages){
	      		    	currentpage=totalpages; 
	      		        }else{
	      		         currentpage=currentpage+1;
	      		        }
	    	   }else if(page==-2){
	    		   if(currentpage==1){
	    		      currentpage=1;
	    		   }else{
	    			   currentpage=currentpage-1; 
	    		   }
	    	   }else{
	    		   currentpage=1;
	    	   }	
	    	
	     LoginManager lm=new LoginManager();
	     Vector items=lm.LoginSearch(sqls, page);
	     
	     out.println("<table width=\"680\" height=\"22\" border=\"1\" align=\"center\" cellpadding=\"1\" cellspacing=\"0\" bordercolor=\"#666699\">");
	     out.println("<tr>");
	     out.println("<td width=\"565\" height=\"20\" align=\"center\" class=\"style14\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;登陆信息列表</td>");
	     out.println("</tr>");
	     out.println("</table>");

		 int span=5,j=0;//span标识每页显示5条信息，j是一个计数器
		 String path=request.getContextPath();
		 
		 for(int i=0;i<items.size();i++){
			 
			 LoginInfo li=(LoginInfo)items.elementAt(i);
			 
			 out.println("<table width=\"680\" border=\"1\" align=\"center\" cellpadding=\"1\" cellspacing=\"0\" bordercolor=\"#666699\">");
			 out.println("<tr>");
			 out.println("<td width=\"39\" height=\"19\" align=\"right\" class=\"buttonstyle\">编号:</td>");
			 out.println("<td width=\"49\" align=\"center\" class=\"code\">"+li.getLoginid()+"</td>");
			 out.println("<td width=\"56\" align=\"right\" class=\"buttonstyle\">登陆姓名:</td>");
			 out.println("<td width=\"64\" align=\"center\" class=\"code\">"+li.getLoginname()+"</td>");
			 out.println("<td width=\"32\" align=\"right\" class=\"buttonstyle\">密码:</td>");
			 out.println("<td width=\"66\" align=\"center\">"+li.getLoginpassword()+"</td>");
			 out.println("<td width=\"35\" align=\"right\" class=\"buttonstyle\">权限:</td>");
			 out.println("<td width=\"50\" align=\"center\">"+li.getLoginpassword()+"</td>");
			 out.println("<td width=\"63\" align=\"right\" class=\"buttonstyle\">职员编号:</td>");
			 out.println("<td width=\"62\" align=\"center\">"+li.getEmployeeid()+"</td>");
			 out.println("<td width=\"118\" align=\"center\"><a href=\"#?loginid="+li.getLoginid()+"\"><img src=\""+path+"/image/edit.gif\" border=\"0\"></a>&nbsp;&nbsp;&nbsp;" +
	    	   		    "<a href=\"adminlogininfo.jsp?loginid="+li.getLoginid()+"\" onClick=\"{if(confirm('此操作将删除当前记录!删除后将不能恢复,您确定执行的操作吗?')){return true;}return false;}\"><img src=\""+path+"/image/delete.gif\" border=\"0\"></a></td>");
			 out.println("</tr>");
			 out.println("</table>");
			
			 j++;
			 if(j==span)break;
		 }
		 
		    out.println("<table width=\"680\" height=\"22\" border=\"1\" align=\"center\" cellpadding=\"1\" cellspacing=\"0\" bordercolor=\"#666699\">");
		    out.println("<tr>");
		    out.println("<td width=\"220\" height=\"20\" align=\"left\" class=\"code\">页次:"+currentpage+"/"+totalpages+"页;每页5条信息共"+count+"条</td>");
		    out.println("<td width=\"450\" height=\"20\" align=\"center\"><a href=\"adminlogininfo.jsp?arg1=-1\"><img src=\""+path+"/image/begin.jpg\" border=\"0\"></a>&nbsp;&nbsp;" +
	       		          "<a href=\"adminlogininfo.jsp?arg2=-2\"><img src=\""+path+"/image/1-prev.gif\" border=\"0\"></a>&nbsp;&nbsp;" +
	       		          "<a href=\"adminlogininfo.jsp?arg3=-3\"><img src=\""+path+"/image/1-next.gif\" border=\"0\"></a>&nbsp;&nbsp;" +
	       		          "<a href=\"adminlogininfo.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;
	}

}