03 springdata mongodb 基本操作（增删改查，条件分页，基于MongoRepository）

需求分析（条件分页查询）

根据站点Id、精确匹配

模板Id、精确匹配

页面别名、模糊匹配

页面名称、模糊匹配

条件分页查询页面信息

 

 

package com.xuecheng.manage_cms.service; import com.xuecheng.framework.domain.cms.CmsPage; import com.xuecheng.framework.domain.cms.request.QueryPageRequest; import com.xuecheng.framework.model.response.CommonCode; import com.xuecheng.framework.model.response.QueryResponseResult; import com.xuecheng.framework.model.response.QueryResult; import com.xuecheng.manage_cms.dao.CmsPageRepository; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.*; import org.springframework.stereotype.Service; /**  * @description:  * @author: wtg  * @createDate: 2019-08-10 9:31  */ @Service public class PageService {     @Autowired     CmsPageRepository cmsPageRepository;     public QueryResponseResult pageFindCondition(QueryPageRequest queryPageRequest) {         Integer page = queryPageRequest.getPage();//当前页         Integer size = queryPageRequest.getSize();//每页显示的条数         if (page <= 0) {             page = 1;         }         if (size <= 0) {             size = 1;         }         //分页条件         Pageable pageable = PageRequest.of(page - 1, size);         //条件值对象         CmsPage cmsPage = new CmsPage();         if (StringUtils.isNotEmpty(queryPageRequest.getSiteId())) {             cmsPage.setSiteId(queryPageRequest.getSiteId());//精准匹配站点id         }         if (StringUtils.isNotEmpty(queryPageRequest.getTemplateId())) {             cmsPage.setTemplateId(queryPageRequest.getTemplateId());//精准匹配模板id         }         //模糊匹配页面别名         cmsPage.setPageAliase(queryPageRequest.getPageAliase());         //模糊匹配页面名称         cmsPage.setPageName(queryPageRequest.getPageName());         /**          * 条件匹配器          * ExampleMatcher exampleMatcher = ExampleMatcher.matching();          *  exampleMatcher = exampleMatcher.withMatcher("pageAliase", ExampleMatcher.GenericPropertyMatchers.contains());          *  ExampleMatcher.GenericPropertyMatchers.contains() 包含关键字          *  ExampleMatcher.GenericPropertyMatchers.startsWith()//前缀匹配          */         ExampleMatcher exampleMatcher = ExampleMatcher.matching().withMatcher("pageAliase", ExampleMatcher.GenericPropertyMatchers.contains())                 .withMatcher("pageName",ExampleMatcher.GenericPropertyMatchers.contains());         //定义Example         Example example = Example.of(cmsPage, exampleMatcher);         Page all = cmsPageRepository.findAll(example, pageable);         QueryResult queryResult = new QueryResult();         queryResult.setList(all.getContent());//数据列表         queryResult.setTotal(all.getTotalElements());//数据总记录数         QueryResponseResult queryResponseResult = new QueryResponseResult(CommonCode.SUCCESS, queryResult);         return queryResponseResult;     } }

 

 

 

springdata mongodb增删改查

 

package com.xuecheng.manage_cms; import com.xuecheng.framework.domain.cms.CmsPage; import com.xuecheng.framework.domain.cms.CmsPageParam; import com.xuecheng.manage_cms.dao.CmsPageRepository; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.data.domain.*; import org.springframework.test.context.junit4.SpringRunner; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Optional; /**  * Created by wutegang on 2019/1/14 ${time}  */ @SpringBootTest @RunWith(SpringRunner.class) public class CmsPageRepositoryTest {     @Autowired     private CmsPageRepository cmsPageRepository;     //测试查询所有     @Test     public void testfindAll() {         List all = cmsPageRepository.findAll();         System.out.println(all);     }     //测试分页查询     @Test     public void testfindPage() {         int page = 1;         int size = 3;         Pageable pageable = PageRequest.of(page, size);         Page all = cmsPageRepository.findAll(pageable);         System.out.println(all);     }     /**      * 自定义条件分页查询测试      */     @Test     public void testFindAllByExample() {         //分页参数         int page = 0;//从0开始         int size = 10;         Pageable pageable = PageRequest.of(page, size);         //条件值对象         CmsPage cmsPage = new CmsPage();         //要查询5a751fab6abb5044e0d19ea1站点的页面 //        cmsPage.setSiteId("5b30b052f58b4411fc6cb1cf");         //设置模板id条件 //        cmsPage.setTemplateId("5ad9a24d68db5239b8fef199");         //设置页面别名         cmsPage.setPageAliase("页面");         /**          * 条件匹配器          */ //        ExampleMatcher exampleMatcher = ExampleMatcher.matching(); //        exampleMatcher = exampleMatcher.withMatcher("pageAliase", ExampleMatcher.GenericPropertyMatchers.contains());         ExampleMatcher exampleMatcher = ExampleMatcher.matching()                 .withMatcher("pageAliase", ExampleMatcher.GenericPropertyMatchers.contains());         //ExampleMatcher.GenericPropertyMatchers.contains() 包含关键字 //        ExampleMatcher.GenericPropertyMatchers.startsWith()//前缀匹配         /**          * 定义Example          */         Example example = Example.of(cmsPage, exampleMatcher);         Page all = cmsPageRepository.findAll(example, pageable);         List content = all.getContent();         System.out.println(content);     }     //测试添加     @Test     public void testInsert() {         CmsPage cmsPage = new CmsPage();         cmsPage.setSiteId("s01");         cmsPage.setTemplateId("t01");         cmsPage.setPageName("测试页面");         cmsPage.setPageCreateTime(new Date());         List cmsPageParams = new ArrayList<>();         CmsPageParam cmsPageParam = new CmsPageParam();         cmsPageParam.setPageParamName("param1");         cmsPageParam.setPageParamValue("value1");         cmsPageParams.add(cmsPageParam);         cmsPage.setPageParams(cmsPageParams);         CmsPage insert = cmsPageRepository.insert(cmsPage);     }     //测试删除     @Test     public void testDelete() {         cmsPageRepository.deleteById("5c3c7e7949b2ef124411a13e");     }     //测试修改     @Test     public void testUpdate() {         Optional optional = cmsPageRepository.findById("5c3c7f3c49b2ef2880d25b8d");         if (optional.isPresent()) {             CmsPage cmsPage = optional.get();             cmsPage.setPageName("测试页面wtg1111");             cmsPageRepository.save(cmsPage);         }     } }