【新增】 上传.c文件，返回文件内容

exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/controller/admin/question/ExamQuestionController.java

@@ -32,6 +32,7 @@ import pc.exam.pp.module.exam.service.question.IExamQuestionService;
 import pc.exam.pp.module.system.enums.common.SexEnum;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.List;
 
@@ -285,5 +286,16 @@ public class ExamQuestionController {
         return CommonResult.success(examQuestionService.auditQuestion(audioQuestionVo));
     }
 
+    /**
+     * 试题预览
+     */
+    @PostMapping("/previewQuestion")
+    public CommonResult<String> previewQuestion(@RequestPart("file") MultipartFile file) throws IOException {
+        // 先判断是否为.c的文件
+        if (!file.getOriginalFilename().endsWith(".c")) {
+            return CommonResult.error(100810, "请上传.c文件");
+        }
+        return CommonResult.success(new String(file.getBytes(), StandardCharsets.UTF_8));
+    }
 
 }