问题页面，根父节点不能选，递归显示所有下级节点问题

ruoyi-exam/src/main/java/com/ruoyi/exam/controller/ExamQuestionController.java

@@ -1,7 +1,11 @@
 package com.ruoyi.exam.controller;
 
+import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.List;
+
+import com.ruoyi.exam.domain.ExamQuestionCategory;
+import com.ruoyi.exam.service.IExamQuestionCategoryService;
 import org.apache.shiro.authz.annotation.RequiresPermissions;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
@@ -32,6 +36,9 @@ public class ExamQuestionController extends BaseController
 	@Autowired
 	private IExamQuestionService examQuestionService;
 
+	@Autowired
+	private IExamQuestionCategoryService examQuestionCategoryService;
+	
 	@RequiresPermissions("exam:examQuestion:view")
 	@GetMapping()
 	public String examQuestion()
@@ -71,8 +78,28 @@ public class ExamQuestionController extends BaseController
 	@ResponseBody
 	public TableDataInfo list(ExamQuestion examQuestion)
 	{
-        List<ExamQuestion> list = examQuestionService.selectExamQuestionList(examQuestion);
+		ArrayList<ExamQuestion> objects = new ArrayList<>();
-		return getDataTable(list);
+		List<ExamQuestion> listByIds = getListByIds(objects, examQuestion);
+		return getDataTable(listByIds);
+	}
+
+	/**
+	 * 递归找到所有下级的题目
+	 * @param list
+	 * @param examQuestion
+	 * @return
+	 */
+	private List<ExamQuestion> getListByIds(List<ExamQuestion> list,ExamQuestion examQuestion){
+		list.addAll(examQuestionService.selectExamQuestionList(examQuestion));
+		String categoryId = examQuestion.getCategoryId();
+		ExamQuestionCategory examQuestionCategory = new ExamQuestionCategory();
+		examQuestionCategory.setParentId(Long.parseLong(categoryId));
+		List<ExamQuestionCategory> examQuestionCategories = examQuestionCategoryService.selectList(examQuestionCategory);
+		for (ExamQuestionCategory questionCategory : examQuestionCategories) {
+			examQuestion.setCategoryId(questionCategory.getId().toString());
+			getListByIds(list,examQuestion);
+		}
+		return list;
 	}
 	
 	

ruoyi-exam/src/main/resources/templates/exam/examQuestion/examQuestion.html

@@ -36,7 +36,7 @@
     <div class="row">
         <div class="col-sm-12 search-collapse">
             <form id="formId">
-                <input type="hidden" id="categoryId" name="categoryId" >
+                <input type="hidden" id="categoryId" name="categoryId" value="1">
                 <div class="select-list">
                     <ul>
                         <li>
@@ -97,9 +97,9 @@
 
     $(function () {
         $('body').layout({west__size: 185});
-        $("#categoryId").val(0);
         queryExamQuestionList();
-//        $.table.search();
+        $("#categoryId").val(1);
+        $.table.search();
         queryExamQuestionCategoryTree();
     });
 
@@ -116,21 +116,11 @@
             columns: [{
                 checkbox: true
             },
-                {
-                    field: 'id',
-                    title: 'ID',
-                    sortable: true
-                },
                 {
                     field: 'title',
                     title: '问题标题',
                     sortable: true
                 },
-                {
-                    field: 'answer',
-                    title: '问题答案',
-                    sortable: true
-                },
                 {
                     field: 'type',
                     title: '问题类型',
@@ -151,19 +141,9 @@
                     title: '创建时间',
                     sortable: true
                 },
-                {
-                    field: 'updateBy',
-                    title: '更新者',
-                    sortable: true
-                },
-                {
-                    field: 'updateDate',
-                    title: '更新时间',
-                    sortable: true
-                },
                 {
                     field: 'remarks',
-                    title: '备注信息',
+                    title: '答案解析',
                     sortable: true
                 },
                 {
@@ -190,9 +170,6 @@
         $.tree.init(options);
 
         function zOnClick(event, treeId, treeNode) {
-//            if(treeNode.pId == 1 || treeNode.pId == 0 ||treeNode.pId == null) {
-//                return;
-//            }
             $("#categoryId").val(treeNode.id);
             $.table.search();
         }
@@ -222,27 +199,24 @@
     }
 
     function addChoiceQuestion(){
-        if($("#categoryId").val() == null||$("#categoryId").val() == ''||$("#categoryId").val() == 1 || $("#categoryId").val() == 0 ){
+        if(!$.tree.notAllowParents($._tree)){
-            alert("请选择题库！")
+            return ;
-            return;
         }
         var url = prefix + "/choiceadd/"+$("#categoryId").val();
         $.operate.jumpModeltoUrl("添加单选题",url);
     }
 
     function addMoreChoiceQuestion(){
-        if($("#categoryId").val() == null||$("#categoryId").val() == ''||$("#categoryId").val() == 1 || $("#categoryId").val() == 0 ){
+        if(!$.tree.notAllowParents($._tree)){
-            alert("请选择题库！")
+            return ;
-            return;
         }
         var url = prefix + "/morechoiceadd/"+$("#categoryId").val();
         $.operate.jumpModeltoUrl("添加多选题",url);
     }
 
     function addJudgeQuestion(){
-        if($("#categoryId").val() == null||$("#categoryId").val() == ''||$("#categoryId").val() == 1 || $("#categoryId").val() == 0 ){
+        if(!$.tree.notAllowParents($._tree)){
-            alert("请选择题库！")
+            return ;
-            return;
         }
         var url = prefix + "/judgeadd/"+$("#categoryId").val();
         $.operate.jumpModeltoUrl("添加多选题",url);