关于分页SQL的小总结
Posted
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了关于分页SQL的小总结相关的知识，希望对你有一定的参考价值。
findPage 和findPageTotal条件分页中的条件 较为复杂点的关联查询 有取别名的
<select id="findPage" resultMap="MinOrderInfo" parameterType="map"> SELECT o.*,w.name buyName,w.MOBILE buyMobile,aa.name sellName,aa.MOBILE sellMobile,rs.CAR_BRAND_NAME carBrandName1,rs.TRANS_PRICE,scn.price,scs.CAR_BRAND_NAME carBrandName3,scs.EXPECT_TRANS_PRICE FROM order_info o INNER JOIN web_user w ON w.id=o.SEARCH_USER_ID LEFT JOIN (SELECT o.SOURCE_USER_ID ,w.name,w.MOBILE mobile,o.Id FROM order_info o INNER JOIN web_user w ON w.id=o.SOURCE_USER_ID) aa ON aa.Id=o.Id LEFT JOIN release_source rs ON o.source_id = rs.id LEFT JOIN search_car_normal scn ON o.SEARCH_normal_ID = scn.id LEFT JOIN search_car_special scs ON o.search_special_ID = scs.id WHERE 1= 1 <if test="id != null and id != ‘‘">and o.Id = #{id}</if> <if test="sourceId != null and sourceId != ‘‘">and o.SOURCE_ID = #{sourceId}</if> <if test="sourceUserId != null and sourceUserId != ‘‘">and o.SOURCE_USER_ID = #{sourceUserId}</if> <if test="searchId != null and searchId != ‘‘">and o.SEARCH_ID = #{searchId}</if> <if test="searshUserId != null and searshUserId != ‘‘">and o.SEARCH__USER_ID = #{searshUserId}</if> <if test="num != null and num != ‘‘">and o.NUM = #{num}</if> <if test="depositPrice != null and depositPrice != ‘‘">and o.DEPOSIT_PRICE = #{depositPrice}</if> <if test="registratAddress != null and registratAddress != ‘‘">and o.REGISTRAT_ADDRESS = #{registratAddress}</if> <if test="pullCarTime != null and pullCarTime != ‘‘">and o.PULL_CAR_TIME = #{pullCarTime}</if> <if test="remark != null and remark != ‘‘">and o.REMARK = #{remark}</if> <if test="createTime != null and createTime != ‘‘">and o.CREATE_TIME = #{createTime}</if> <if test="payTime != null and payTime != ‘‘">and o.PAY_TIME = #{payTime}</if> <if test="state != null and state != ‘‘">and o.STATE = #{state}</if> <if test="orderAmt != null and orderAmt != ‘‘">and o.ORDER_AMT = #{orderAmt}</if> <if test="orderType != null and orderType != ‘‘">and o.ORDER_TYPE= #{orderType}</if> <if test="buyName != null and buyName != ‘‘">and w.NAME like CONCAT(‘%‘,#{buyName},‘%‘)</if> <if test="buyMobile != null and buyMobile != ‘‘">and w.MOBILE like CONCAT(‘%‘,#{buyMobile},‘%‘)</if> <if test="startTime !=null and startTime !=‘‘">and o.CREATE_TIME >#{startTime}</if> <if test="endTime !=null and endTime !=‘‘">and o.CREATE_TIME <#{endTime}</if> <if test="orderNumber != null and orderNumber != ‘‘">and o.ORDER_NUMBER like CONCAT(‘%‘,#{orderNumber},‘%‘)</if> ORDER BY o.CREATE_TIME DESC limit #{startRow},#{pageSize} </select>
<select id="findPageTotal" resultType="int" parameterType="map"> SELECT COUNT(1) FROM(SELECT o.*,w.name buyName,w.MOBILE buyMobile,aa.name sellName,aa.MOBILE sellMobile,rs.TRANS_PRICE,scn.price,scs.EXPECT_TRANS_PRICE FROM order_info o INNER JOIN web_user w ON w.id=o.SEARCH_USER_ID LEFT JOIN (SELECT o.SOURCE_USER_ID ,w.name,w.MOBILE mobile,o.Id FROM order_info o INNER JOIN web_user w ON w.id=o.SOURCE_USER_ID) aa ON aa.Id=o.Id LEFT JOIN release_source rs ON o.source_id = rs.id LEFT JOIN search_car_normal scn ON o.SEARCH_normal_ID = scn.id LEFT JOIN search_car_special scs ON o.search_special_ID = scs.id WHERE 1= 1)qq WHERE 1= 1 <if test="id != null and id != ‘‘">and Id = #{id}</if> <if test="sourceId != null and sourceId != ‘‘">and SOURCE_ID = #{sourceId}</if> <if test="sourceUserId != null and sourceUserId != ‘‘">and SOURCE_USER_ID = #{sourceUserId}</if> <if test="searchId != null and searchId != ‘‘">and SEARCH_ID = #{searchId}</if> <if test="searshUserId != null and searshUserId != ‘‘">and SEARCH__USER_ID = #{searshUserId}</if> <if test="num != null and num != ‘‘">and NUM = #{num}</if> <if test="depositPrice != null and depositPrice != ‘‘">and DEPOSIT_PRICE = #{depositPrice}</if> <if test="registratAddress != null and registratAddress != ‘‘">and REGISTRAT_ADDRESS = #{registratAddress}</if> <if test="pullCarTime != null and pullCarTime != ‘‘">and PULL_CAR_TIME = #{pullCarTime}</if> <if test="remark != null and remark != ‘‘">and REMARK = #{remark}</if> <if test="createTime != null and createTime != ‘‘">and CREATE_TIME = #{createTime}</if> <if test="payTime != null and payTime != ‘‘">and PAY_TIME = #{payTime}</if> <if test="buyName != null and buyName != ‘‘">and buyName like CONCAT(‘%‘,#{buyName},‘%‘)</if> <if test="buyMobile != null and buyMobile != ‘‘">and buyMobile like CONCAT(‘%‘,#{buyMobile},‘%‘)</if> <if test="startTime !=null and startTime !=‘‘">and CREATE_TIME >#{startTime}</if> <if test="endTime !=null and endTime !=‘‘">and CREATE_TIME <#{endTime}</if> <if test="state != null and state != ‘‘">and STATE = #{state}</if> <if test="orderAmt != null and orderAmt != ‘‘">and ORDER_AMT = #{orderAmt}</if> <if test="orderType != null and orderType != ‘‘">and ORDER_TYPE=#{orderType}</if> <if test="orderNumber != null and orderNumber != ‘‘">and ORDER_NUMBER like CONCAT(‘%‘,#{orderNumber},‘%‘)</if> </select>
<if test="buyName != null and buyName != ‘‘">and buyName like CONCAT(‘%‘,#{buyName},‘%‘)</if> 注意此处需用别名 不能直接用name 作为条件 否则当页面传值查询时候会报SQL语句查不到相应字段！
页面jsp代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%> <%@ taglib uri="/WEB-INF/tld/fmt.tld" prefix="fmt"%> <c:set var="ctx" value="${pageContext.request.contextPath}" /> <!-- ubo --> <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <title>订单管理</title> <meta content=‘width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no‘ name=‘viewport‘> <link href="${ctx}/resources/css/css.css" rel="stylesheet" type="text/css" /> <!-- Bootstrap 3.3.4 --> <link href="${ctx}/resources/frame/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css" /> <!-- Font Awesome Icons --> <link href="${ctx}/resources/frame/dist/css/font-awesome.min.css" rel="stylesheet" type="text/css" /> <!-- Ionicons --> <link href="${ctx}/resources/frame/dist/css/ionicons.min.css" rel="stylesheet" type="text/css" /> <!-- Theme style --> <link href="${ctx}/resources/frame/dist/css/AdminLTE.min.css" rel="stylesheet" type="text/css" /> <!-- AdminLTE Skins. Choose a skin from the css/skins folder instead of downloading all of them to reduce the load. --> <link href="${ctx}/resources/frame/dist/css/skins/_all-skins.min.css" rel="stylesheet" type="text/css" /> <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries --> <!-- WARNING: Respond.js doesn‘t work if you view the page via file:// --> <!--[if lt IE 9]> <script src="${ctx}/resources/frame/dist/js/html5shiv.min.js"></script> <script src="${ctx}/resources/frame/dist/js/respond.min.js"></script> <![endif]--> </head> <body class="skin-blue sidebar-mini"> <div class="wrapper"> <%@ include file="../../main_header.jsp"%> <%@ include file="../../main_sidebar.jsp"%> <!-- Content Wrapper. Contains page content --> <div class="content-wrapper"> <!-- Content Header (Page header) --> <section class="content-header"> <h1> 优博车平台 <small>订单管理</small> </h1> </section> <!-- Main content --> <section class="content"> <div class="row"> <div class="col-xs-12"> <div class="box"> <div class="box-header"> <form method="post" id="queryForm" action="${ctx }/orderinfo/list" name="form1"> <div class="box-tools"> <input type="hidden" name="currentPage" id="currentPage" value="${page.currentPage}"> </div> <div class="box-header"> <div class=""> <input type="text" class="form-control input-sm pull-left" style="width: 150px;" placeholder="订单号" name="orderNumber" value="${orderNumber}" maxlength="30"> <input type="text" class="form-control input-sm pull-left" placeholder="买方用户查找" name="buyName" value="${buyName}" style="width: 100px; margin-left:15px;" maxlength="20"> <input type="text" class="form-control input-sm pull-left" placeholder="买方手机号查找" name="buyMobile" value="${buyMobile}" style="width: 130px; margin-left:15px;" maxlength="20"> <select class= "form-control input-sm pull-left" name="orderType" id="orderType" style="width:150px;height:30px; margin-left:20px;"> <option <c:if test="${orderType == ‘0‘}">selected="selected"</c:if> value="">类型</option> <option <c:if test="${orderType == ‘1‘}">selected="selected"</c:if> value="1">销车订单</option> <option <c:if test="${orderType == ‘2‘}">selected="selected"</c:if> value="2">普通寻车订单</option> <option <c:if test="${orderType == ‘3‘}">selected="selected"</c:if> value="3">竞价寻车订单</option> </select> <input type="text" class="form-control input-sm pull-left" style="width: 100px; margin-left:20px;" placeholder="创建起始日期" name="startTime" value="${startTime}" readonly="true" onclick="WdatePicker({dateFmt:‘yyyy-MM-dd‘})"> <input type="text" class="form-control input-sm pull-left" style="width: 100px; margin-left:20px;" placeholder="创建结束日期" name="endTime" value="${endTime}" readonly="true" onclick="WdatePicker({dateFmt:‘yyyy-MM-dd‘})"> <button class="btn btn-sm btn-default" id="queryBtn" style=" margin-left:20px;">查询</button> </div> </div> </form> </div> <!-- /.box-header --> <div class="box-body table-responsive no-padding"> <table class="table table-hover"> <tr> <th class="col-md-1" style="width: 10%">订单号</th> <th class="col-md-1" style="width: 6%">买家姓名</th> <th class="col-md-1" style="width: 8%">买家手机号</th> <th class="col-md-1" style="width: 6%">卖家姓名</th> <th class="col-md-1" style="width: 10%">创建时间</th> <th class="col-md-1" style="width: 8%">订单金额</th> <th class="col-md-1" style="width: 8%">类型</th> <th class="col-md-1" style="width:10%">提车时间</th> <th class="col-md-1" style="width: 8%">状态</th> <th class="col-md-1" style="width: 15%">操作</th> <c:if test="${page.items != null}"> <c:forEach items="${page.items}" var="orderinfo"> <tr> <td>${orderinfo.orderNumber }</td> <td>${orderinfo.buyName }</td> <td>${orderinfo.buyMobile }</td> <td>${orderinfo.sellName }</td> <td><fmt:formatDate value="${orderinfo.createTime}" pattern="yyyy.MM.dd HH:mm:ss" /></td> <td>${orderinfo.orderAmt }万元</td> <td><c:if test="${orderinfo.orderType==‘1‘}">销车订单 </c:if> <c:if test="${orderinfo.orderType==‘2‘}">普通寻车订单 </c:if> <c:if test="${orderinfo.orderType==‘3‘}">竞价寻车订单 </c:if></td> <td><fmt:formatDate value="${orderinfo.pullCarTime}" pattern="yyyy.MM.dd HH:mm:ss" /></td> <td><c:if test="${orderinfo.state==‘1‘}">待支付 </c:if> <c:if test="${orderinfo.state==‘2‘}">已冻结订金 </c:if> <c:if test="${orderinfo.state==‘3‘}">已支付订金 </c:if> <c:if test="${orderinfo.state==‘4‘}">已完成 </c:if> <c:if test="${orderinfo.state==‘5‘}">已取消 </c:if> <c:if test="${orderinfo.state==‘6‘}">已删除 </c:if> <c:if test="${orderinfo.state==‘7‘}"><b style="color:red;">纠纷处理中</b> </c:if> <c:if test="${orderinfo.state==‘8‘}"><b style="color:red;">纠纷处理成功</b> </c:if></td> <td><a href="${ctx}/orderinfo/detail?id=${orderinfo.id }" class="btn btn-sm btn-primary detailBtn">详细</a> <c:if test="${orderinfo.state==‘7‘}"><b style="color:red;"><a href="${ctx}/orderinfo/edit?id=${orderinfo.id }" class="btn btn-sm btn-primary detailBtn">违约处理</a></b> </c:if> </td> </tr> </c:forEach> </c:if> <c:if test="${empty page.items}"> <tr> <td colspan="10"><p class="text-center text-danger">暂无数据</p></td> </tr> </c:if> </table> </div> <!-- /.box-body --> <c:if test="${not empty page.items}"> <div id="pager" class="box-footer clearfix"></div> </c:if> </div> <!-- /.box --> </div> </div> </section> <!-- /.content --> </div> <!-- /.content-wrapper --> <!-- Modal --> <%@ include file="../../main_footer.jsp"%> </div> <!-- ./wrapper --> <!-- jQuery 2.1.4 --> <script src="${ctx}/resources/frame/plugins/jQuery/jQuery-2.1.4.min.js"></script> <!-- Bootstrap 3.3.2 JS --> <script src="${ctx}/resources/frame/bootstrap/js/bootstrap.min.js" type="text/javascript"></script> <!-- Slimscroll --> <script src="${ctx}/resources/frame/plugins/slimScroll/jquery.slimscroll.min.js" type="text/javascript"></script> <!-- FastClick --> <script src=‘${ctx}/resources/frame/plugins/fastclick/fastclick.min.js‘></script> <!-- AdminLTE App --> <script src="${ctx}/resources/frame/dist/js/app.min.js" type="text/javascript"></script> <!-- AdminLTE for demo purposes --> <script src="${ctx}/resources/frame/dist/js/demo.js" type="text/javascript"></script> <script src="${ctx}/resources/scripts/jquery.pager2.js" type="text/javascript"></script> <script type="text/javascript"src="${ctx}/resources/scripts/DatePicker/WdatePicker.js"></script> <script> String.prototype.Trim = function() { return this.replace(/(^\s*)|(\s*$)/g, ""); } $(function() { PageClick = function(pageclickednumber) { $("#pager").pager({ pagenumber : pageclickednumber, pagecount : ${page.totalPage}, buttonClickCallback : PageClick }); $("#currentPage").val(pageclickednumber); $("#queryForm").submit(); } $("#pager").pager({ pagenumber : ${page.currentPage}, pagecount : ${page.totalPage}, buttonClickCallback : PageClick }); //用于查询 $("#queryBtn").bind("click", function() { $("#currentPage").val("1");//给当前页赋值 $("#queryForm").submit();//提交表单 }); }); </script> </body> </html>
ssm框架下的控制层代码
@RequestMapping("list") public String list(OrderInfo orderInfo,String startTime,String endTime, Model model, Page page,HttpServletRequest request) { Map<String, Object> params = new HashMap<String, Object>(); page.setPageSize(pagesize); String orderNumber=request.getParameter("orderNumber"); String orderType=request.getParameter("orderType"); params.put("orderNumber", orderNumber); params.put("orderType", orderType); params.put("endTime", endTime); params.put("startTime", startTime);//时间区间查询 params.put("buyName", orderInfo.getBuyName()); //（用于用户名查询） params.put("buyMobile", orderInfo.getBuyMobile()); //（用于手机查询） String num = request.getParameter("currentPage"); if (num != null && !("").equals(num)) { page.setCurrentPage(Integer.parseInt(num)); } page = orderInfoService.findByMap(params, page); model.addAttribute("page", page);// 查到的值传给页面 model.addAttribute("orderNumber", orderNumber); model.addAttribute("orderType", orderType); model.addAttribute("buyName", orderInfo.getBuyName()); model.addAttribute("buyMobile", orderInfo.getBuyMobile()); model.addAttribute("endTime", endTime); model.addAttribute("startTime", startTime); return PATH + "list"; }
以上是关于关于分页SQL的小总结的主要内容，如果未能解决你的问题，请参考以下文章
Asp.Net北大青鸟总结-使用GridView实现真假分页
关于oracle分页顺序问题，我的代码可以实现分页，但是新添加进去的，顺序不是在最后
小5聊sql server 分页和分组-row_number()和over()rank()和over()的小区别