Jgrid列表data2

<%@page contentType="text/xml;charset=UTF-8"%>
<%@ page import="java.util.HashMap,java.text.ParseException,tools.*"%>
<%@page import="java.sql.Connection,java.sql.DriverManager,java.sql.PreparedStatement,java.sql.ResultSet,java.sql.SQLException"%>
<%
//request.setCharacterEncoding("gb2312");
String pagenum=request.getParameter("page");
String limit=request.getParameter("limit");
String sidx =request.getParameter("sidx");
//String sord =request.getParameter("sord");
String _search=request.getParameter("_search");
String url="select id,channel_id,channel_name,channel_addr from game.T_GAME_WAP_CHANNEL_ADDR order by id";

if(_search==null||"false".equals(_search)){
	url= "select id,channel_id,channel_name,channel_addr from game.T_GAME_WAP_CHANNEL_ADDR order by id";
}else{
	String searchField=request.getParameter("searchField");
	String searchString=request.getParameter("searchString");
	if(searchString==null||"".equals(searchString)){
		url= "select id,channel_id,channel_name,channel_addr from game.T_GAME_TYPE order by id";
	}else{
		if("channel_id".equals(searchField)){
			url="select id,channel_id,channel_name,channel_addr from game.T_GAME_WAP_CHANNEL_ADDR where channel_id like '%"+searchString+"%' order by id";
		}else if("channel_name".equals(searchField)){
			url="select id,channel_id,channel_name,channel_addr from game.T_GAME_WAP_CHANNEL_ADDR where channel_name like '%"+searchString+"%' order by id";
		}
	}
	
}


if(sidx==null) sidx="1";
if(pagenum==null) pagenum="1";
if(limit==null) limit="25";
int total_result_count = 0;
int total_page_count = 0;
int per_page = Integer.parseInt(limit);
int cur_page_num = Integer.parseInt(pagenum);
java.util.LinkedList<HashMap> result = new java.util.LinkedList<HashMap>();
	Connection conn = null;
	PreparedStatement stmt = null;
	ResultSet rst = null;
	try {
		conn = getConnection("jdbc/game");
		//conn = mysql();
		stmt = conn.prepareStatement("select count(*) from game.T_GAME_WAP_CHANNEL_ADDR");
		
		rst = stmt.executeQuery();
		rst.next();
		total_result_count = rst.getInt(1);
		
		if (total_result_count > 0) {
			total_page_count = (total_result_count / per_page);
		}

		if ((total_result_count % per_page) > 0) {
			total_page_count++;
		}
		stmt = conn.prepareStatement(url + " limit ?,?");
		stmt.setInt(1, (cur_page_num-1) * per_page);
		stmt.setInt(2, per_page);
		rst = stmt.executeQuery();
		while(rst.next()){
			HashMap<String,String> one=new HashMap<String,String>();
			int count =rst.getMetaData().getColumnCount();
			for(int i=0;i<count;i++){
				one.put(rst.getMetaData().getColumnName(i+1), rst.getString(i+1)==null?"":rst.getString(i+1));
			}
			result.add(one);
		}
		//out.print("result: "+result);
%>
<rows> 
  <page><%=pagenum%></page> 
  <total><%=total_page_count%></total> 
  <records><%=total_result_count%></records>
  <%for(int i=0;i<result.size();i++){
	  HashMap map=result.get(i);
%>
    <row id='<%=map.get("id")%>'> 
      <cell><%=map.get("id")%></cell>
      <cell><%=map.get("channel_id")%></cell>
      <cell><%=map.get("channel_name").toString().replace("\"", "").replace(":", "").replace("：", "").replace("-", "").replace("'", "").replace("&", "").replace("<", "").replace(">", "")%></cell>
      <cell><%=map.get("channel_addr")%></cell>
    </row>
  <%}%>  
</rows>
<%		
	} catch (Exception e) {
		e.printStackTrace();
	} finally {
		if (rst != null) {
			try {
				rst.close();
				rst = null;
			} catch (SQLException ex) {
				rst = null;
			}
		}
		if (stmt != null) {
			try {
				stmt.close();
				stmt = null;
			} catch (SQLException ex) {
				stmt = null;
			}
		}
		if (conn != null) {
			try {
				conn.close();
				conn = null;
			} catch (SQLException ex) {
				conn = null;
			}
		}
	}
%>