ssm oracle查询手动分页

flowerMain.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'flowerMain.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
	<link href="flowerCss/style.css" rel="stylesheet" type="text/css" />
======================================分页事件开始=================================
	<script type="text/javascript">

		function fenye(page){
			var url="flower/queryFlowerListByPage.html?page="+page;
			alert(url);
			location=url;
			}
	</script>
======================================分页事件结束=================================

  </head>
  
  <body onload="text()">
<div id="header_wrapper">
  <div id="header" >
  <div id="site_title">
      <h1><a href="main.htm"><img src="photos/logo.png"> 
      	<span>flower shop</span> </a></h1>
    </div>

    
    <div id="menu">
      <ul>
        <li><a href="flowerMain.jsp" >花店首页</a></li>
        <li><a href="login.htm">用户登录</a></li>
        <li><a href="register.htm">用户注册</a></li>
      </ul>
    </div>
    <!-- end of menu -->
    
	<div class="cart">
		<div class="cart_title">
			<a href="order!shopcart.action"><img src="photos/cart.gif"></a>

			<a  href="order.htm">我的订单</a>&nbsp;
</div>
        <div class="home_cart_content">
			用户:  | 商品:  | 总价:¥
        </div>
    </div>
	<!-- end of cart -->
	
  </div>
  <!-- end of header -->
</div>
<!-- end of header_wrapper -->
<div id="content_wrapper"  style="background-color:white">

  <div id="content">
    <div class="content_section" id="aa">
   		 <h2>掌柜推荐</h2>
    <%-- 
		
		
		
		<c:forEach items="${list}" var="e">
          	<div class="product_box margin_r10">
          		<input type="hidden" value="${e.id }">
		        <h3><a href="#">${e.name}</a></h3>
		        <a href="login.htm"><img src="${e.image}"/></a>
		        <p class="price">价格: ¥${e.price }</p>
		        <p class="price">库存: ${e.stock }</p>
		        <a href="#">详细信息</a> | <a href="#">点此订购</a> 
        	</div>
        </c:forEach>
     --%>
    
    </div>

    <div class="cleaner_h40">
  ======================================分页展示的内容开始======================
    <c:forEach items="${list2}" var="e">
          	<div class="product_box margin_r10">
          		<input type="hidden" value="${e.id }">
		        <h3><a href="#">${e.name}</a></h3>
		        <a href="login.htm"><img src="${e.image}"/></a>
		        <p class="price">价格: ¥${e.price }</p>
		        <p class="price">库存: ${e.stock }</p>
		        <a href="#">详细信息</a> | <a href="#">点此订购</a> 
        	</div>
   </c:forEach>
  ======================================分页展示的内容结束======================

 ======================================分页开始=================================  
       <p align="center">
       	当前页${index}
     	<a onclick="fenye(1)" >首页</a>
     	<a onclick="fenye(${lastPage})">上一页</a>
     	<a onclick="fenye(${nextPage})">下一页</a>
     	<a onclick="fenye(${pages})">尾页</a>
     	跳转至
       <select onchange="location='flower/queryFlowerListByPage.html?page='+this.value">
       	  <option>选择</option>
       	  <c:forEach begin="1" end="${pages}" step="1" var="e">
       	   <option 
       	   	 <c:if test="${index==e}">selected</c:if>
       	   	> 
       	           ${e}
       	   </option>
       	  
       	  </c:forEach>
       
       </select>
     	
     </p>
 ======================================分页结束================================= 
    </div>

  </div>
  <!-- end of content -->
  <div id="sidebar">
 
    <div class="sidebar_section" >
      <h2>鲜花分类</h2>
      <div class="sidebar_section_content">
        <%-- 
        <ul class="categories_list">
          		<li>
          			<a href="aiqin.htm" >浪漫爱情</a>
          		</li>
          		<li>
          			<a href="shengri.htm" >生日礼物</a>
          		</li>
          		<li>
          			<a href="jieri.htm" >节日祝福</a>
          		</li>
          		<li>
          			<a href="hunli.htm" >婚礼庆典</a>
          		</li>
        </ul>
        --%>
        <select onchange="choiceType(this.value)">
        <option value="">请选择</option>
        <option value="浪漫爱情">浪漫爱情</option>
        <option value="生日礼物">生日礼物</option>
        <option value="节日祝福">节日祝福</option>
        <option value="婚礼庆典">婚礼庆典</option>
        </select>
      </div>
    </div>
    <div class="cleaner_h30"></div>
    
  </div>
  <!-- end of sidebar -->
  <div class="cleaner"></div>
</div>
<div id="content_wrapper_bottom"></div>
<!-- end of content_wrapper -->
<div id="footer">
  
  Copyright &copy; 2048 |  TR | Designed by TR</div>
<!-- end of footer -->
</body>

</html>

FlowerController.java

package controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;

import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import entity.Flower;
import entity.SearchFlowerByPage;

import biz.FlowerBiz;
@Controller
@RequestMapping("flower")
public class FlowerController {
	@Resource
	private FlowerBiz biz;
	
	@RequestMapping(value="queryFlowerListByPage",method=RequestMethod.GET)
	public String queryFlowerListByPage(SearchFlowerByPage searchFlowerByPage, Model m){
		int index = searchFlowerByPage.getPage();
		int size = 2;
		int counts = biz.queryFlowerCounts();
		int pages = counts/size==0?counts/size:counts/size+1;//总页数
		searchFlowerByPage = new SearchFlowerByPage(index,size);
		List<Flower> list2 = biz.queryFlowerListByPage(searchFlowerByPage); 
		int lastPage = index-1;//上一页
		if(lastPage<=0)lastPage=1;
		int nextPage = index+1;//下一页
		if(nextPage>pages) nextPage=pages;
		m.addAttribute("list2", list2);
		m.addAttribute("index", index);
		m.addAttribute("lastPage", lastPage);
		m.addAttribute("nextPage", nextPage);
		m.addAttribute("pages", pages);
	
		return "flowerMain";	
	}

	@RequestMapping(value="queryFlowerList",method=RequestMethod.POST)
	public void queryFlowerList(HttpServletResponse response) throws IOException {
		
		response.setContentType("text/html;charset=utf-8");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		
		List<Flower> list = biz.queryFlowerList();
		String str="";
		for(Flower e:list){
			
			str += "<div class='product_box margin_r10'>";
			str +="<input type='hidden' value="+e.getId()+">";
			str +="<h3><a href='#'>"+e.getName()+"</a></h3>";
			str += "<a href='#'><img src='"+e.getImage()+"'/></a>";
			
			str +="<p class='price'>价格:"+e.getPrice() +"</p>";
			
			str +=" <p class='price'>库存:"+ e.getStock()+"</p>";
			str +=" <a href='#'>"+"详细信息"+"</a> | <a href='#'>"+"点此订购"+"</a>";
			str +="</div>";
		}
		
		out.print(str);
		
		out.flush();
		out.close();
	}
	@RequestMapping(value="queryFlowerTypeList",method=RequestMethod.POST)
	public void queryFlowerTypeList(HttpServletResponse response, String myType) throws IOException{
		String type = myType.trim();
		response.setContentType("text/html;charset=utf-8");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		List<Flower> list = biz.queryFlowerTypeList(type);
		String str = "";
		for(Flower e:list){
			str += "<div class='product_box margin_r10'>";
			str +="<input type='hidden' value="+e.getId()+">";
			str +="<h3><a href='#'>"+e.getName()+"</a></h3>";
			str += "<a href='#'><img src='"+e.getImage()+"'/></a>";
			
			str +="<p class='price'>价格:"+e.getPrice() +"</p>";
			
			str +=" <p class='price'>库存:"+ e.getStock()+"</p>";
			str +=" <a href='#'>"+"详细信息"+"</a> | <a href='#'>"+"点此订购"+"</a>";
			str +="</div>";
		}
		
		out.print(str);
		
		
		out.flush();
		out.close();
		
	}

}

FlowerBizImpl

package biz.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import dao.FlowerDao;

import entity.Flower;
import entity.SearchFlowerByPage;
import biz.FlowerBiz;


@Service
public class FlowerBizImpl implements FlowerBiz {
	@Resource
	private FlowerDao dao;
	
	public FlowerDao getDao() {
	return dao;
	}

	public void setDao(FlowerDao dao) {
	this.dao = dao;
	}

	public List<Flower> queryFlowerList() {
		
		return dao.queryFlowerList();
	}

	public List<Flower> queryFlowerTypeList(String type) {
		
		return dao.queryFlowerTypeList(type);
	}

	public List<Flower> queryFlowerListByPage(SearchFlowerByPage searchFlowerByPage) {
		int counts = queryFlowerCounts();//总条数
		int size = searchFlowerByPage.getSize();
		int pages =counts/size==0?counts/size:counts/size+1;//总页数
		int page =  searchFlowerByPage.getPage();
		page = page<1?1:page;
		page = page>pages?pages:page;
		
		return dao.queryFlowerListByPage(searchFlowerByPage);
	}

	public int queryFlowerCounts() {
		
		return dao.queryFlowerCounts();
	}

}

FlowerDao

package dao;

import java.util.List;

import entity.Flower;
import entity.SearchFlowerByPage;

public interface FlowerDao {
	public List<Flower> queryFlowerList();
	
	public List<Flower> queryFlowerTypeList(String type);
	
	public List<Flower> queryFlowerListByPage(SearchFlowerByPage searchFlowerByPage);
	
	public int queryFlowerCounts();
}

entity

package entity;

public class Flower {
	private int id;
	private String name;
	private String image;
	private int price;
	private int stock;
	private String type;
	public Flower(int id, String name, String image, int price, int stock,
			String type) {
		super();
		this.id = id;
		this.name = name;
		this.image = image;
		this.price = price;
		this.stock = stock;
		this.type = type;
	}
	public Flower() {
		super();
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getImage() {
		return image;
	}
	public void setImage(String image) {
		this.image = image;
	}
	public int getPrice() {
		return price;
	}
	public void setPrice(int price) {
		this.price = price;
	}
	public int getStock() {
		return stock;
	}
	public void setStock(int stock) {
		this.stock = stock;
	}
	public String getType() {
		return type;
	}
	public void setType(String type) {
		this.type = type;
	}
	
	
}
package entity;

public class SearchFlowerByPage {
	private int page;
	private int size;
	public int getPage() {
		return page;
	}
	public void setPage(int page) {
		this.page = page;
	}
	public int getSize() {
		return size;
	}
	public void setSize(int size) {
		this.size = size;
	}
	public SearchFlowerByPage(int page, int size) {
		super();
		this.page = page;
		this.size = size;
	}
	public SearchFlowerByPage() {
		super();
	}
	
	
}

FlowerDao.xml

<?xml version="1.0" encoding="UTF-8" ?>  
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="dao.FlowerDao"><!-- 写对应类名全路径 -->
	<select id="queryFlowerList" resultType="Flower">
	  select * from t_flower
	</select>
	<select id="queryFlowerTypeList" resultType="Flower">
		select * from t_flower where type=#{type}
	</select>
	<select id="queryFlowerListByPage" parameterType="SearchFlowerByPage" resultType="Flower">
	 select * from (select t1.*,rownum as rnum from(select * from t_flower)t1 where rownum &lt;=(#{page}*#{size}))t2 where t2.rnum>(#{page}-1)*#{size}
	
	</select>
	<select id="queryFlowerCounts" resultType="int">
	  select count(*) from t_flower
	</select>
	
	
</mapper>
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