fix: 添加批量导入题目通能 #1

src/main/java/com/baobaot/exam/Controller/AdminController.java

@@ -33,6 +33,23 @@ public class AdminController {
         return "admin";
     }
 
+    // API: 批量导入题目
+    @PostMapping("/admin/api/questions/batch-import")
+    @ResponseBody
+    public ResponseEntity<Map<String, Object>> batchImportQuestions(@RequestBody List<Map<String, Object>> questions) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            int importedCount = adminService.batchImportQuestions(questions);
+            result.put("success", true);
+            result.put("importedCount", importedCount);
+            result.put("message", "成功导入 " + importedCount + " 道题目");
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("message", e.getMessage());
+        }
+        return ResponseEntity.ok(result);
+    }
+
     // API: 获取题目列表（支持全部、按类型、按分值、按标题模糊查询、联合查询）
     @GetMapping("/admin/api/questions")
     @ResponseBody
@@ -173,7 +190,6 @@ public class AdminController {
             @RequestParam(required = false) String answerB,
             @RequestParam(required = false) String answerC,
             @RequestParam(required = false) String answerD,
-            @RequestParam(required = false) String answer,
             @RequestParam(required = false) String rAnswer,
             @RequestParam Integer score) {
         Map<String, Object> result = new HashMap<>();
@@ -198,9 +214,6 @@ public class AdminController {
                        .answerB(answerB)
                        .answerC(answerC)
                        .answerD(answerD);
-            } else {
-                // 简答题
-                builder.answer(answer);
             }
 
             adminService.updateQuestion(builder.build());

src/main/java/com/baobaot/exam/Service/adminService.java

@@ -4,6 +4,7 @@ import com.baobaot.exam.dao.question;
 import com.baomidou.mybatisplus.extension.service.IService;
 
 import java.util.List;
+import java.util.Map;
 
 public interface adminService extends IService<question> {
 
@@ -50,4 +51,11 @@ public interface adminService extends IService<question> {
      * 更新题目
      */
     boolean updateQuestion(question q);
+
+    /**
+     * 批量导入题目
+     * @param questions 题目数据列表
+     * @return 成功导入的题目数量
+     */
+    int batchImportQuestions(List<Map<String, Object>> questions);
 }

src/main/java/com/baobaot/exam/Service/impl/adminServiceImpl.java

@@ -6,8 +6,10 @@ import com.baobaot.exam.mapper.questionMapper;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
+import java.util.Map;
 
 @Service
 public class adminServiceImpl extends ServiceImpl<questionMapper, question> implements adminService {
@@ -33,7 +35,6 @@ public class adminServiceImpl extends ServiceImpl<questionMapper, question> impl
         question q = question.builder()
                 .title(title)
                 .type(type)
-                .answer(answer)
                 .rAnswer(r_answer)
                 .score(score)
                 .build();
@@ -84,4 +85,39 @@ public class adminServiceImpl extends ServiceImpl<questionMapper, question> impl
     public boolean updateQuestion(question q) {
         return updateById(q);
     }
+
+    @Override
+    @Transactional
+    public int batchImportQuestions(List<Map<String, Object>> questions) {
+        int importedCount = 0;
+        
+        for (Map<String, Object> qData : questions) {
+            String title = (String) qData.get("title");
+            Integer type = ((Number) qData.get("type")).intValue();
+            Integer score = ((Number) qData.get("score")).intValue();
+            
+            question.questionBuilder builder = question.builder()
+                    .title(title)
+                    .type(type)
+                    .score(score);
+            
+            if (type == 1) {
+                // 选择题
+                builder.answerA((String) qData.get("answerA"))
+                       .answerB((String) qData.get("answerB"))
+                       .answerC((String) qData.get("answerC"))
+                       .answerD((String) qData.get("answerD"))
+                       .rAnswer((String) qData.get("rAnswer"));
+            } else {
+                // 简答题
+                builder.rAnswer((String) qData.get("rAnswer"));
+            }
+            
+            if (save(builder.build())) {
+                importedCount++;
+            }
+        }
+        
+        return importedCount;
+    }
 }

src/main/java/com/baobaot/exam/dao/question.java

@@ -15,7 +15,6 @@ public class question {
     private Integer id;
     private String title;
     private Integer type;
-    private String answer;
     private String answerA;
     private String answerB;
     private String answerC;

src/main/resources/templates/admin.html

@@ -304,6 +304,7 @@
             </div>
             <div style="margin-top: 16px; display: flex; gap: 12px; flex-wrap: wrap;">
                 <button type="button" class="btn btn-primary" onclick="loadAllQuestions()">显示全部</button>
+                <button type="button" class="btn btn-success" onclick="openBatchImportModal()">批量导入</button>
                 <a th:href="@{/admin/mkexam}" class="btn btn-success">创建试卷</a>
                 <a th:href="@{/admin/listexam}" class="btn btn-success">查看试卷</a>
                 <a th:href="@{/admin/correct}" class="btn btn-success" style="background: #f59e0b;">批改试卷</a>
@@ -502,7 +503,6 @@
                             <th width="60">ID</th>
                             <th>题目</th>
                             <th width="100">类型</th>
-                            <th>选项/学生答案</th>
                             <th>正确答案</th>
                             <th width="80">分值</th>
                             <th width="150">操作</th>
@@ -525,7 +525,7 @@
                     if (q.answerD) parts.push(`D: ${escapeHtml(q.answerD)}`);
                     optionsHtml = parts.join('<br>');
                 } else {
-                    optionsHtml = q.answer ? escapeHtml(q.answer) : '无答案';
+                    optionsHtml = '<span style="color: #999;">-</span>';
                 }
 
                 const rAnswerHtml = q.rAnswer ?
@@ -630,6 +630,101 @@
         let currentEditId = null;
         let currentEditType = null;
 
+        // 打开批量导入弹窗
+        function openBatchImportModal() {
+            document.getElementById('batchImportModal').style.display = 'block';
+            document.getElementById('batchImportJson').value = '';
+            document.getElementById('batchImportResult').style.display = 'none';
+        }
+
+        // 关闭批量导入弹窗
+        function closeBatchImportModal() {
+            document.getElementById('batchImportModal').style.display = 'none';
+            document.getElementById('batchImportJson').value = '';
+            document.getElementById('batchImportResult').style.display = 'none';
+        }
+
+        // 提交批量导入
+        function submitBatchImport() {
+            const jsonText = document.getElementById('batchImportJson').value.trim();
+            const resultDiv = document.getElementById('batchImportResult');
+
+            if (!jsonText) {
+                resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">请输入JSON数据</div>';
+                resultDiv.style.display = 'block';
+                return;
+            }
+
+            let questions;
+            try {
+                questions = JSON.parse(jsonText);
+            } catch (e) {
+                resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">JSON格式错误: ' + e.message + '</div>';
+                resultDiv.style.display = 'block';
+                return;
+            }
+
+            if (!Array.isArray(questions)) {
+                resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">数据必须是JSON数组格式</div>';
+                resultDiv.style.display = 'block';
+                return;
+            }
+
+            if (questions.length === 0) {
+                resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">题目数组不能为空</div>';
+                resultDiv.style.display = 'block';
+                return;
+            }
+
+            // 验证每道题的必填字段
+            for (let i = 0; i < questions.length; i++) {
+                const q = questions[i];
+                if (!q.title || q.title.trim() === '') {
+                    resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">第 ' + (i + 1) + ' 题缺少题目内容(title)</div>';
+                    resultDiv.style.display = 'block';
+                    return;
+                }
+                if (!q.type || (q.type !== 1 && q.type !== 2)) {
+                    resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">第 ' + (i + 1) + ' 题类型错误，type必须是1(选择题)或2(简答题)</div>';
+                    resultDiv.style.display = 'block';
+                    return;
+                }
+                if (!q.score || q.score < 0) {
+                    resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">第 ' + (i + 1) + ' 题分值错误</div>';
+                    resultDiv.style.display = 'block';
+                    return;
+                }
+            }
+
+            // 发送请求
+            fetch('/admin/api/questions/batch-import', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify(questions)
+            })
+            .then(res => res.json())
+            .then(data => {
+                if (data.success) {
+                    resultDiv.innerHTML = '<div class="alert" style="background: #efe; color: #2e7d32;">导入成功！共导入 ' + data.importedCount + ' 道题目</div>';
+                    resultDiv.style.display = 'block';
+                    loadAllQuestions();
+                    setTimeout(() => {
+                        closeBatchImportModal();
+                    }, 1500);
+                } else {
+                    resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">导入失败: ' + (data.message || '未知错误') + '</div>';
+                    resultDiv.style.display = 'block';
+                }
+            })
+            .catch(err => {
+                console.error(err);
+                resultDiv.innerHTML = '<div class="alert" style="background: #fee; color: #c33;">导入失败，请检查网络</div>';
+                resultDiv.style.display = 'block';
+            });
+        }
+
         // 打开编辑弹窗
         function editQuestion(id, type) {
             currentEditId = id;
@@ -676,7 +771,6 @@
                 document.getElementById('editEssayForm').style.display = 'block';
                 document.getElementById('editTypeLabel').textContent = '简答题';
 
-                document.getElementById('editAnswer').value = q.answer || '';
                 document.getElementById('editRAnswerEssay').value = q.rAnswer || '';
             }
         }
@@ -705,7 +799,6 @@
                 formData.append('answerD', document.getElementById('editAnswerD').value);
                 formData.append('rAnswer', document.getElementById('editRAnswer').value);
             } else {
-                formData.append('answer', document.getElementById('editAnswer').value);
                 formData.append('rAnswer', document.getElementById('editRAnswerEssay').value);
             }
 
@@ -756,8 +849,7 @@
                 if (answerD) parts.push(`D: ${escapeHtml(answerD)}`);
                 optionsHtml = parts.join('<br>');
             } else {
-                const answer = formData.get('answer');
+                optionsHtml = '<span style="color: #999;">-</span>';
-                optionsHtml = answer ? escapeHtml(answer) : '无答案';
             }
 
             const rAnswerHtml = rAnswer ?
@@ -784,6 +876,49 @@
 
     </script>
 
+    <!-- 批量导入弹窗 -->
+    <div id="batchImportModal" class="modal">
+        <div class="modal-content" style="max-width: 700px; max-height: 90vh; overflow-y: auto;">
+            <div class="modal-header">
+                <h2>批量导入题目</h2>
+                <span class="close-btn" onclick="closeBatchImportModal()">&times;</span>
+            </div>
+
+            <div class="alert alert-info" style="margin-bottom: 16px;">
+                <strong>格式说明：</strong>JSON数组格式，每道题包含 title(必填), type(1=选择题,2=简答题), score(分值) 等字段
+            </div>
+
+            <div class="form-group">
+                <label>JSON数据 <span class="required">*</span></label>
+                <textarea id="batchImportJson" rows="15" placeholder='[
+  {
+    "title": "选择题示例",
+    "type": 1,
+    "answerA": "选项A",
+    "answerB": "选项B",
+    "answerC": "选项C",
+    "answerD": "选项D",
+    "rAnswer": "A",
+    "score": 5
+  },
+  {
+    "title": "简答题示例",
+    "type": 2,
+    "rAnswer": "参考答案",
+    "score": 10
+  }
+]' style="font-family: monospace; font-size: 13px;"></textarea>
+            </div>
+
+            <div id="batchImportResult" style="display: none; margin-bottom: 16px;"></div>
+
+            <div class="modal-footer">
+                <button type="button" class="btn btn-secondary" onclick="closeBatchImportModal()">取消</button>
+                <button type="button" class="btn btn-primary" onclick="submitBatchImport()">确认导入</button>
+            </div>
+        </div>
+    </div>
+
     <!-- 编辑弹窗 -->
     <div id="editModal" class="modal">
         <div class="modal-content" style="max-width: 600px; max-height: 90vh; overflow-y: auto;">
@@ -834,10 +969,10 @@
 
             <!-- 简答题表单 -->
             <div id="editEssayForm" style="display: none;">
-                <div class="form-group">
+                <!-- <div class="form-group">
                     <label>学生答案参考</label>
                     <textarea id="editAnswer" rows="2"></textarea>
-                </div>
+                </div> -->
                 <div class="form-group">
                     <label>参考答案</label>
                     <textarea id="editRAnswerEssay" rows="2"></textarea>

test_import.json

@@ -0,0 +1,44 @@
+[
+  {
+    "title": "Java中，以下哪个关键字用于定义接口？",
+    "type": 1,
+    "answerA": "class",
+    "answerB": "interface",
+    "answerC": "extends",
+    "answerD": "implements",
+    "rAnswer": "B",
+    "score": 5
+  },
+  {
+    "title": "Spring框架的核心特性是什么？",
+    "type": 1,
+    "answerA": "AOP面向切面编程",
+    "answerB": "IOC控制反转",
+    "answerC": "MVC设计模式",
+    "answerD": "以上都是",
+    "rAnswer": "D",
+    "score": 5
+  },
+  {
+    "title": "简述Java中Exception和Error的区别。",
+    "type": 2,
+    "rAnswer": "Exception是程序可以处理的异常，通常由程序逻辑错误引起；Error是严重错误，如内存溢出，程序无法处理。",
+    "score": 10
+  },
+  {
+    "title": "MySQL中，如何优化慢查询？",
+    "type": 2,
+    "rAnswer": "1. 添加索引；2. 优化SQL语句；3. 使用EXPLAIN分析查询计划；4. 避免全表扫描；5. 适当分表分库。",
+    "score": 15
+  },
+  {
+    "title": "以下哪个不是Java的基本数据类型？",
+    "type": 1,
+    "answerA": "int",
+    "answerB": "String",
+    "answerC": "boolean",
+    "answerD": "double",
+    "rAnswer": "B",
+    "score": 5
+  }
+]