Mybatis-Plus的分页插件
2024-09-06 15:39:54
使用的是:Mybatis-Plus的分页插件
https://baomidou.gitee.io/mybatis-plus-doc/#/?id=%E7%AE%80%E4%BB%8B
1、Mapper.java
List<SysUser> selectPageUserList(Page page, SysUser user);
2、serviceImpl
public Page<SysUser> selectUserPage(SysUser user, Integer current, Integer pageSize) {
Page<SysUser> page = new Page<SysUser>(current, pageSize);// 当前页,总条数 构造 page 对象
//sql优化,OptimizeCountSql默认为true,优化,不执行select count(1)操作
//page.setOptimizeCountSql(false);
// 查询总记录数,默认是查询
// page.setSearchCount(false);
// 注意!! 分页 total 是经过插件自动 回写 到传入 page 对象
return page.setRecords(baseMapper.selectPageUserList(page, user));
}
3、controller
@RequestMapping(value = "/list", method = RequestMethod.POST)
@ResponseBody
public ModelAndView doList(SysUser su, SplitPage splitPage){ ModelAndView mav = new ModelAndView("m/user/listUser"); Page<SysUser> pageInfo = sysUserService.selectUserPage(su,splitPage.getPageNumber(),splitPage.getPageSize()); PageInfo<SysUser> pageResult = new PageInfo<SysUser>(); pageResult.setPageSize(splitPage.getPageSize());
// 返回当前页码
pageResult.setPage(pageInfo.getCurrent());
// 返回总记录数
pageResult.setRecords(pageInfo.getTotal());
// 返回总页数
pageResult.setTotal(pageInfo.getPages());
// 返回查询数据
pageResult.setRows(pageInfo.getRecords()); mav.addObject("pageInfo",pageResult); return mav;
}
@RequestMapping(value = "/userData", method = RequestMethod.POST)
@ResponseBody
public ModelAndView getData(SysUser su, SplitPage splitPage){ ModelAndView mav = new ModelAndView("m/user/user :: userData"); Page<SysUser> pageInfo = sysUserService.selectUserPage(su,splitPage.getPageNumber(),splitPage.getPageSize()); PageInfo<SysUser> pageResult = new PageInfo<SysUser>(); pageResult.setPageSize(splitPage.getPageSize());
// 返回当前页码
pageResult.setPage(pageInfo.getCurrent());
// 返回总记录数
pageResult.setRecords(pageInfo.getTotal());
// 返回总页数
pageResult.setTotal(pageInfo.getPages());
// 返回查询数据
pageResult.setRows(pageInfo.getRecords()); mav.addObject("pageInfo",pageResult); return mav;
}
4、html页面(thymeleaf)
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div th:fragment="page(url,searchForm,tablelist)" class="col-xs-12">
<div class="col-xs-6">
<div class="dataTables_info" id="dynamic-table_info" role="status" aria-live="polite">
共<strong th:text="${pageInfo.records}"/>条数据
</div>
</div>
<div class="col-xs-6">
<div class="dataTables_paginate paging_simple_numbers" id="table_paginate"> <input th:hidden="true" id="pageNumber" name="pageNumber" th:value="${pageInfo.page}"/>
<!-- 处理页数小于等于7 的情况 -->
<ul th:if="${(pageInfo.total le 7)&&(pageInfo.total gt 0)}" class="pagination">
<li th:if="${pageInfo.page eq 1}" class="page-item disabled"><a class="page-link" href="#">上一页</a></li>
<li th:if="${pageInfo.page gt 1}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+${pageInfo.page}+'-1)'" >上一页</a>
</li> <li th:each="index:${#numbers.sequence(1,pageInfo.total)}" th:classappend="${index eq pageInfo.page}?'active'" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\',\''+${index}+'\')'"
th:text="${index}"></a>
</li> <li th:if="${pageInfo.page eq pageInfo.total}" class="page-item disabled">
<a class="page-link" href="#">下一页</a>
</li>
<li th:if="${pageInfo.page lt pageInfo.total}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+${pageInfo.page}+'+1)'">下一页</a>
</li>
</ul> <!-- 处理页数大于7 的情况 -->
<ul th:if="${pageInfo.total gt 7}" class="pagination">
<li th:if="${pageInfo.page eq 1}" class="page-item disabled">
<a class="page-link" href="#">上一页</a>
</li> <li th:if="${pageInfo.page gt 1}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+${pageInfo.page}+'-1)'">上一页</a>
</li> <!-- 首页 -->
<li th:classappend="${pageInfo.page eq 1}?'active'" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+'1)'">1</a>
</li> <!-- 当前页面小于等于7 -->
<li th:if="${pageInfo.page le 4}" th:each="index:${#numbers.sequence(2,5)}"
th:classappend="${index eq pageInfo.page}?'active'" class="page-item">
<a href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\',\''+${index}+'\')'" class="page-link" th:text="${index}"></a>
</li> <li th:if="${pageInfo.page le 4}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+'6)'">...</a>
</li> <!-- 最后一页与当前页面之差小于等于3 -->
<li th:if="${pageInfo.total-pageInfo.page le 3}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+${pageInfo.total}+'-5)'">...</a>
</li> <li th:if="${pageInfo.total-pageInfo.page le 3}" th:each="index:${#numbers.sequence(pageInfo.total-4,pageInfo.total-1)}"
th:classappend="${index eq pageInfo.page}?'active'" class="page-item">
<a href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\',\''+${index}+'\')'" class="page-link" th:text="${index}"></a>
</li> <!-- 最后一页与当前页面之差大于3 且当前页面大于4 -->
<li th:if="${(pageInfo.page gt 4) && (pageInfo.total-pageInfo.page gt 3)}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+${pageInfo.page}+'-2)'">...</a>
</li> <li th:if="${(pageInfo.page gt 4) && (pageInfo.total-pageInfo.page gt 3)}" th:each="index:${#numbers.sequence(pageInfo.page-1,pageInfo.page+1)}"
th:classappend="${index eq pageInfo.page}?'active'" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\',\''+${index}+'\')'" th:text="${index}"></a>
</li> <li th:if="${(pageInfo.page gt 4) && (pageInfo.total-pageInfo.page gt 3)}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+${pageInfo.page}+'+2)'">...</a>
</li> <!-- 尾页 -->
<li th:classappend="${pageInfo.page eq pageInfo.total}?'active'" class="page-item">
<a class="page-link"href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\',\''+${pageInfo.total}+'\')'" th:text="${pageInfo.total}"></a>
</li> <li th:if="${pageInfo.page eq pageInfo.total}" class="page-item disabled">
<a class="page-link" href="#">下一页</a>
</li> <li th:if="${pageInfo.page lt pageInfo.total}" class="page-item">
<a class="page-link" href="javascript:void(0);" th:onclick="'javascript:splitPageLink(\''+${url}+'\',\''+${searchForm}+'\',\''+${tablelist}+'\','+${pageInfo.page}+'+1)'">下一页</a>
</li> </ul> </div>
</div>
</div>
</body>
</html>
5、js
function splitPageLink(url,searchForm,tablelist,toPage) {
$("#table_paginate select[name=pageNumber],input[name=pageNumber] ").val(toPage);
ajaxLoad(url,$.param({'pageNumber': toPage}) + '&' +$("#"+searchForm+"").serialize(),'lu_user_list'); }
function ajaxLoad(url,data,loadTable){
$.ajax({
type:"post",
url:url,
data: data,
contentType:"application/x-www-form-urlencoded; charset=UTF-8",
dataType: "html",
async:false,//同步
success:function (result) {
$("#"+loadTable+"").html(result);
}
}) }
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