Shulou(Shulou.com)06/02 Report--

This article mainly explains "spingboot implementation paging query", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "spingboot to realize paging query"!

1@What does configuration mean?

A: Used to define configuration class, expenditure class is the information source of Bean configuration, equivalent to xml file

2. @Bean

A: Equivalent to an element in xml, placed above a method, not a class, meaning to generate a bean and hand it over to Spring management.

3. @PathVariable

A: Path variables

4. Implementation of paging query in springBoot

/** * Page query method * @param page number, counting from 1 * @param size Number of records per page * @param queryRequest query criteria * @return */ public QueryResponseResult findList(int page, int size, QueryPageRequest queryPageRequest){ if(queryPageRequest == null){ queryPageRequest = new QueryPageRequest(); } //Custom Condition Query //Define condition matcher ExampleMatcher exampleMatcher = ExampleMatcher.matching() .withMatcher("pageAliase", ExampleMatcher.GenericPropertyMatchers.contains()); //Condition Value Object CmsPage cmsPage = new CmsPage(); //Set condition value (site id) if(StringUtils.isNotEmpty(queryPageRequest.getSiteId())){ cmsPage.setSiteId(queryPageRequest.getSiteId()); } //Set template id as query condition if(StringUtils.isNotEmpty(queryPageRequest.getTemplateId())){ cmsPage.setTemplateId(queryPageRequest.getTemplateId()); } //Set page alias as query condition if(StringUtils.isNotEmpty(queryPageRequest.getPageAliase())){ cmsPage.setPageAliase(queryPageRequest.getPageAliase()); } //Define conditional object Example Example example = Example.of(cmsPage,exampleMatcher); //pagination parameters if(page

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