コードは次のとおりです。ただし、IPage(AppBookTypeVo) を返すことはできません。
// IPage<AppBookType> <里面需要写entity>,但是项目需求为 需要返回 AppBookTypeVo对象
@Override
public IPage<AppBookType> getPage(PageParam<AppBookTypeQuery> pageParam) {
Page<AppBookType> platformPage = new Page<>(pageParam.getCurrent(), pageParam.getPageSize());
QueryWrapper<AppBookType> qw = new QueryWrapper<>();
AppBookTypeQuery appBookTypeQuery = pageParam.getCondition();
if (null != appBookTypeQuery) {
if (null != appBookTypeQuery.getId()) {
qw.eq("id", appBookTypeQuery.getId());
}
if (!StringUtils.isEmpty(appBookTypeQuery.getTypeName())) {
qw.like("type_name", appBookTypeQuery.getTypeName());
}
if (null != appBookTypeQuery.getEnable()) {
qw.eq("enable", appBookTypeQuery.getEnable());
}
}
qw.orderByAsc("type_order");
return this.page(platformPage, qw);
}
解決策: クエリされたページ データに対して convert() 変換を実行します。
@Override
public IPage<AppBookPassageChapterVo> chapterList(PageParam<AppBookPassageChapter> pageParam) {
Page<AppBookPassage> platformPage = new Page<>(pageParam.getCurrent(), pageParam.getPageSize());
QueryWrapper<AppBookPassage> qw = new QueryWrapper<>();
qw.select(" DISTINCT book_code, book_chapter ");
AppBookPassageChapter appBookPassageChapter = pageParam.getCondition();
if (null != appBookPassageChapter) {
if (!StringUtils.isEmpty(appBookPassageChapter.getBookCode())) {
qw.eq("book_code", appBookPassageChapter.getBookCode());
}
}
qw.orderByAsc("id");
IPage<AppBookPassage> passageIPage = this.page(platformPage, qw);
// 这里做一层转换即可
return passageIPage.convert(AppBookPassage -> PojoConvertUtil.convertPojo(AppBookPassage, AppBookPassageChapterVo.class));
}