前台学科专业筛选完善

src/main/java/com/huoran/iasf/controller/DisciplineController.java

@@ -37,6 +37,8 @@ public class DisciplineController {
     @Autowired
     public ProfessionalClassService classService;
 
+
+
     @GetMapping("/courseDiscipline")
     @ApiOperation(value = "课程学科类别", response = Discipline.class)
     public R courseDiscipline() {
@@ -46,19 +48,31 @@ public class DisciplineController {
 
     @GetMapping("/courseProfessionalClass")
     @ApiOperation(value = "课程专业类", response = ProfessionalClass.class)
-    public R disciplineList(@ApiParam(value = "disciplineId", required = true) @RequestParam("disciplineId") Integer disciplineId) {
+    public R disciplineList(@ApiParam(value = "disciplineId") @RequestParam("disciplineId") Integer disciplineId) {
         QueryWrapper<ProfessionalClass> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("discipline_id", disciplineId);
+        if (disciplineId != null){
+            queryWrapper.eq("discipline_id", disciplineId);
+        }
         List<ProfessionalClass> list = classService.list(queryWrapper);
         return R.success(list);
     }
 
 
+    @GetMapping("/threeLevelJointInvestigation")
+    @ApiOperation(value = "三级联查", response = ProfessionalClass.class)
+    public R threeLevelJointInvestigation(@ApiParam(value = "disciplineId") @RequestParam("disciplineId") Integer disciplineId) {
+
+        return R.success(disciplineService.getCourseDisciplineWithDetails(disciplineId));
+    }
+
+
     @GetMapping("/courseProfessional")
     @ApiOperation(value = "课程专业", response = Professional.class)
-    public R courseProfessional(@ApiParam(value = "professionalClassId", required = true) @RequestParam("professionalClassId") Integer professionalClassId) {
+    public R courseProfessional(@ApiParam(value = "professionalClassId") @RequestParam("professionalClassId") Integer professionalClassId) {
         QueryWrapper<Professional> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("professional_class_id", professionalClassId);
+        if (professionalClassId != null){
+            queryWrapper.eq("professional_class_id", professionalClassId);
+        }
         List<Professional> list = professionalService.list(queryWrapper);
         return R.success(list);
     }

src/main/java/com/huoran/iasf/entity/Discipline.java

@@ -1,6 +1,7 @@
 package com.huoran.iasf.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import io.swagger.annotations.ApiModel;
@@ -9,6 +10,7 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 
 import java.io.Serializable;
+import java.util.List;
 
 /**
  * <p>
@@ -34,4 +36,6 @@ public class Discipline implements Serializable {
     private String disciplineName;
 
 
+    @TableField(exist = false)
+    List<ProfessionalClass> professionalClasses;
 }

src/main/java/com/huoran/iasf/entity/ProfessionalClass.java

@@ -1,6 +1,7 @@
 package com.huoran.iasf.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import io.swagger.annotations.ApiModel;
@@ -9,6 +10,7 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 
 import java.io.Serializable;
+import java.util.List;
 
 /**
  * <p>
@@ -36,5 +38,6 @@ public class ProfessionalClass implements Serializable {
     @ApiModelProperty(value = "学科层次id")
     private Integer disciplineId;
 
-
+    @TableField(exist = false)
+    List<Professional> professionals;
 }

src/main/java/com/huoran/iasf/mapper/xml/SysProductDetailsMapper.xml

@@ -188,9 +188,23 @@
             AND is_top = 1
         </if>
 
-          <if test="req.keyWord!=null and req.keyWord!=''">
+        <if test="req.subjectCategoryId != null">
-              and d.NAME LIKE CONCAT('%',#{req.keyWord},'%')
+            AND FIND_IN_SET(#{req.subjectCategoryId},( SELECT GROUP_CONCAT( subject_category_id ) FROM sys_subject_specialty WHERE template_details_id = d.id )  )
-          </if>
+        </if>
+
+        <if test="req.professionalCategoryId != null">
+            AND FIND_IN_SET(#{req.professionalCategoryId},( SELECT GROUP_CONCAT( professional_category_id ) FROM sys_subject_specialty WHERE template_details_id = d.id )  )
+
+        </if>
+
+        <if test="req.majorId != null">
+            AND FIND_IN_SET(#{req.majorId},( SELECT GROUP_CONCAT( major_id ) FROM sys_subject_specialty WHERE template_details_id = d.id ) )
+        </if>
+
+
+        <if test="req.keyWord!=null and req.keyWord!=''">
+            and d.NAME LIKE CONCAT('%',#{req.keyWord},'%')
+        </if>
 
         <if test="req.categoryId != null and req.categoryId != ''">
             AND FIND_IN_SET(#{req.categoryId}, d.category_id)

src/main/java/com/huoran/iasf/service/DisciplineService.java

@@ -1,5 +1,6 @@
 package com.huoran.iasf.service;
 
+import com.huoran.iasf.common.utils.R;
 import com.huoran.iasf.entity.Discipline;
 import com.baomidou.mybatisplus.extension.service.IService;
 
@@ -16,4 +17,6 @@ import java.util.List;
 public interface DisciplineService extends IService<Discipline> {
 
     List<Discipline> subjectCategory();
+
+    R getCourseDisciplineWithDetails(Integer disciplineId);
 }

src/main/java/com/huoran/iasf/service/impl/DisciplineServiceImpl.java

@@ -1,9 +1,16 @@
 package com.huoran.iasf.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.huoran.iasf.common.utils.R;
 import com.huoran.iasf.entity.Discipline;
+import com.huoran.iasf.entity.Professional;
+import com.huoran.iasf.entity.ProfessionalClass;
 import com.huoran.iasf.mapper.DisciplineMapper;
+import com.huoran.iasf.mapper.ProfessionalClassMapper;
+import com.huoran.iasf.mapper.ProfessionalMapper;
 import com.huoran.iasf.service.DisciplineService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -18,9 +25,41 @@ import java.util.List;
  */
 @Service
 public class DisciplineServiceImpl extends ServiceImpl<DisciplineMapper, Discipline> implements DisciplineService {
+    @Autowired
+    private DisciplineMapper disciplineMapper;
+    @Autowired
+    private ProfessionalClassMapper professionalClassMapper;
+    @Autowired
+    private ProfessionalMapper professionalMapper;
 
     @Override
     public List<Discipline> subjectCategory() {
         return baseMapper.selectList(null);
     }
+
+    @Override
+    public R getCourseDisciplineWithDetails(Integer disciplineId) {
+        if (disciplineId == null) {
+            // 如果没有disciplineId，只查询第一级（学科类别）
+            List<Discipline> disciplines = disciplineMapper.selectList(new LambdaQueryWrapper<>());
+            return R.success(disciplines);
+        } else {
+            // 进行完整的三级联查
+            List<Discipline> disciplines = disciplineMapper.selectList(new LambdaQueryWrapper<Discipline>().eq(Discipline::getDisciplineId, disciplineId));
+
+            disciplines.forEach(discipline -> {
+                // 获取该学科类别下的所有专业类别
+                List<ProfessionalClass> professionalClasses = professionalClassMapper.selectList(new LambdaQueryWrapper<ProfessionalClass>().eq(ProfessionalClass::getDisciplineId, discipline.getDisciplineId()));
+                discipline.setProfessionalClasses(professionalClasses);
+
+                // 为每个专业类别填充其下的专业
+                professionalClasses.forEach(professionalClass -> {
+                    List<Professional> professionals = professionalMapper.selectList(new LambdaQueryWrapper<Professional>().eq(Professional::getProfessionalClassId, professionalClass.getProfessionalClassId()));
+                    professionalClass.setProfessionals(professionals);
+                });
+            });
+
+            return R.success(disciplines);
+        }
+    }
 }

src/main/java/com/huoran/iasf/vo/req/PageCourseProductReq.java

@@ -35,4 +35,14 @@ public class PageCourseProductReq extends PageReqVO {
     private Integer selection;
 
 
+    @ApiModelProperty(value = "学科类别id，仅产品使用，可为空")
+    private Integer subjectCategoryId;
+
+    @ApiModelProperty(value = "专业类别id，仅产品使用，可为空")
+    private Integer professionalCategoryId;
+
+    @ApiModelProperty(value = "专业id，仅产品使用，可为空")
+    private Integer majorId;
+
+
 }