feat:错题列表

ruoyi-admin/src/main/java/com/ruoyi/web/controller/exam/UserBookController.java

@@ -1,7 +1,11 @@
 package com.ruoyi.web.controller.exam;
 
+import com.ruoyi.common.annotation.Log;
 import com.ruoyi.common.core.controller.BaseController;
+import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.core.page.TableDataInfo;
+import com.ruoyi.common.enums.BusinessType;
+import com.ruoyi.system.domain.exam.dto.ExamDTO;
 import com.ruoyi.system.domain.userbook.dto.UserBookDTO;
 import com.ruoyi.web.controller.manager.UserBookManager;
 import io.swagger.annotations.Api;
@@ -59,5 +63,13 @@ public class UserBookController extends BaseController {
     }
 
 
+    @ApiOperation("查找列表")
+    @PostMapping("/next")
+    @ResponseBody
+    public AjaxResult next(@RequestBody  UserBookDTO reqDTO) {
+        return AjaxResult.success(userBookManager.findNext(reqDTO.getExamId(),reqDTO.getQuId()));
+    }
+
+
 
 }

ruoyi-admin/src/main/java/com/ruoyi/web/controller/manager/UserBookManager.java

@@ -9,6 +9,7 @@ import com.ruoyi.system.domain.userbook.dto.UserBookDTO;
 import com.ruoyi.system.service.ElQuService;
 import com.ruoyi.system.service.ElUserBookService;
 import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
 
 import javax.annotation.Resource;
 import java.util.Date;
@@ -96,6 +97,34 @@ public class UserBookManager {
     }
 
 
+    public String findNext(String examId, String quId) {
+        Integer sort = 999999;
+        if(Objects.nonNull(quId)){
+            QueryWrapper<ElUserBook> wrapper = new QueryWrapper<>();
+            wrapper.lambda()
+                    .eq(ElUserBook::getUserId, ShiroUtils.getUserId())
+                    .eq(ElUserBook::getExamId, examId)
+                    .eq(ElUserBook::getQuId, quId);
+            wrapper.last(" ORDER BY `sort` DESC");
+            ElUserBook last = userBookService.getOne(wrapper, false);
+            if(last!=null){
+                sort = last.getSort();
+            }
+        }
+        QueryWrapper<ElUserBook> wrapper = new QueryWrapper<>();
+        wrapper.lambda()
+                .eq(ElUserBook::getUserId, ShiroUtils.getUserId())
+                .eq(ElUserBook::getExamId, examId)
+                .lt(ElUserBook::getSort, sort);
+        wrapper.last(" ORDER BY `sort` DESC");
+        ElUserBook next = userBookService.getOne(wrapper, false);
+        if(next != null){
+            return next.getQuId();
+        }
+        return null;
+    }
+
+