新增 SQL 题型前端支持

- LANGUAGE 类型与六张语言映射表补 SQL；编辑器 SQLite 方言高亮
- 出题表单：SQL 语言选项、题型/行序配置卡片、数据脚本压缩包上传、标准答案必填校验
- 修复做题页语言回退硬编码 Python3 的问题（SQL 题会提交被拒）
- SQL 题隐藏自测猫/自测屏/复制到自测猫（外部运行器不支持 SQL）

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

package-lock.json

@@ -11,6 +11,7 @@
         "@codemirror/autocomplete": "^6.20.3",
         "@codemirror/lang-cpp": "^6.0.3",
         "@codemirror/lang-python": "^6.2.1",
+        "@codemirror/lang-sql": "^6.10.0",
         "@vue-flow/background": "^1.3.2",
         "@vue-flow/controls": "^1.1.3",
         "@vue-flow/core": "^1.48.2",
@@ -424,7 +425,7 @@
     },
     "node_modules/@codemirror/lang-sql": {
       "version": "6.10.0",
-      "resolved": "https://registry.npmmirror.com/@codemirror/lang-sql/-/lang-sql-6.10.0.tgz",
+      "resolved": "https://registry.npmjs.org/@codemirror/lang-sql/-/lang-sql-6.10.0.tgz",
       "integrity": "sha512-6ayPkEd/yRw0XKBx5uAiToSgGECo/GY2NoJIHXIIQh1EVwLuKoU8BP/qK0qH5NLXAbtJRLuT73hx7P9X34iO4w==",
       "license": "MIT",
       "dependencies": {

package.json

@@ -13,6 +13,7 @@
     "@codemirror/autocomplete": "^6.20.3",
     "@codemirror/lang-cpp": "^6.0.3",
     "@codemirror/lang-python": "^6.2.1",
+    "@codemirror/lang-sql": "^6.10.0",
     "@vue-flow/background": "^1.3.2",
     "@vue-flow/controls": "^1.1.3",
     "@vue-flow/core": "^1.48.2",

src/admin/api.ts

@@ -133,10 +133,13 @@ export async function uploadImage(file: File): Promise<string> {
   return res.success ? res.file_path : ""
 }
 
-// 上传测试用例
+// 上传测试用例；SQL 题的压缩包是 1.sql..N.sql（每个文件一个测试点的建表+数据脚本）
-export function uploadTestcases(file: File) {
+export function uploadTestcases(file: File, options: { sql?: boolean } = {}) {
   const form = new window.FormData()
   form.append("file", file)
+  if (options.sql) {
+    form.append("sql", "1")
+  }
   return http.post<TestcaseUploadedReturns>("admin/test_case", form, {
     headers: { "content-type": "multipart/form-data" },
   })

src/admin/problem/detail.vue

@@ -10,7 +10,13 @@ import {
 } from "utils/constants"
 import download from "utils/download"
 import { unique } from "utils/functions"
-import type { BlankProblem, LANGUAGE, Tag, Testcase } from "utils/types"
+import type {
+  BlankProblem,
+  LANGUAGE,
+  SQLConfig,
+  Tag,
+  Testcase,
+} from "utils/types"
 import {
   createContestProblem,
   createProblem,
@@ -89,6 +95,7 @@ const problem = useLocalStorage<BlankProblem>(STORAGE_KEY.ADMIN_PROBLEM, {
   flowchart_hint: "",
   show_flowchart: false,
   ast_rules: null as { [key: string]: any[] } | null,
+  sql_config: null as SQLConfig | null,
 })
 
 // 从服务器来的tag列表
@@ -171,8 +178,33 @@ const languageOptions = [
   { label: LANGUAGE_SHOW_VALUE["Python3"], value: "Python3" },
   { label: LANGUAGE_SHOW_VALUE["C"], value: "C" },
   { label: LANGUAGE_SHOW_VALUE["C++"], value: "C++" },
+  { label: LANGUAGE_SHOW_VALUE["SQL"], value: "SQL" },
 ]
 
+const isSQLProblem = computed(() => !!problem.value?.languages.includes("SQL"))
+
+// SQL 题联动：SQL 必须是唯一语言（后端强校验），不需要预制代码，自动初始化 sql_config
+watch(
+  () => problem.value?.languages,
+  (langs) => {
+    if (!langs) return
+    if (langs.includes("SQL")) {
+      if (langs.length > 1) {
+        problem.value.languages = ["SQL"]
+        return
+      }
+      needTemplate.value = false
+      if (!problem.value.sql_config) {
+        problem.value.sql_config = { mode: "query", order_sensitive: false }
+      }
+      currentActiveAnswer.value = "SQL"
+    } else if (problem.value.sql_config) {
+      problem.value.sql_config = null
+    }
+  },
+  { immediate: true },
+)
+
 async function getProblemDetail() {
   if (!props.problemID) {
     syncTagInputsFromProblemTags()
@@ -211,6 +243,7 @@ async function getProblemDetail() {
     problem.value.flowchart_hint = data.flowchart_hint ?? ""
     problem.value.flowchart_data = data.flowchart_data
     problem.value.ast_rules = data.ast_rules ?? null
+    problem.value.sql_config = data.sql_config ?? null
     if (data.answers && data.answers.length) {
       problem.value.answers = data.answers
     } else {
@@ -262,7 +295,7 @@ function resetTemplate(language: LANGUAGE) {
 
 async function handleUploadTestcases({ file }: UploadCustomRequestOptions) {
   try {
-    const res = await uploadTestcases(file.file!)
+    const res = await uploadTestcases(file.file!, { sql: isSQLProblem.value })
     // @ts-ignore
     if (res.error) {
       message.error("上传测试用例失败")
@@ -332,6 +365,19 @@ async function validateProblem() {
     message.error("编程语言没有选择")
     hasErrors = true
   }
+  // SQL 题验证
+  else if (isSQLProblem.value && !problem.value.sql_config?.mode) {
+    message.error("SQL 题需要选择题型（查询题/增删改题）")
+    hasErrors = true
+  } else if (
+    isSQLProblem.value &&
+    !problem.value.answers.find(
+      (ans) => ans.language === "SQL" && ans.code.trim() !== "",
+    )
+  ) {
+    message.error("SQL 题必须填写标准答案（判题时用它生成期望结果）")
+    hasErrors = true
+  }
   // 流程图验证
   else if (problem.value.show_flowchart || problem.value.allow_flowchart) {
     if (
@@ -611,7 +657,7 @@ watch(
         </n-flex>
       </n-checkbox-group>
     </n-form-item>
-    <n-form-item>
+    <n-form-item v-if="!isSQLProblem">
       <n-checkbox
         v-model:checked="needTemplate"
         label="预制代码（显示在编辑器中，帮助快速上手）"
@@ -630,10 +676,37 @@ watch(
     </n-form-item>
   </n-form>
 
+  <n-form
+    v-if="isSQLProblem && problem.sql_config"
+    inline
+    label-placement="left"
+  >
+    <n-form-item label="SQL 题型">
+      <n-radio-group v-model:value="problem.sql_config.mode">
+        <n-radio-button value="query">查询题（比对查询结果）</n-radio-button>
+        <n-radio-button value="modify">
+          增删改题（比对执行后的表数据）
+        </n-radio-button>
+      </n-radio-group>
+    </n-form-item>
+    <n-form-item label="严格比对行顺序">
+      <n-switch v-model:value="problem.sql_config.order_sensitive" />
+      <n-text depth="3" style="margin-left: 12px">
+        题目要求 ORDER BY 时开启；关闭则按无序集合比对
+      </n-text>
+    </n-form-item>
+  </n-form>
+
   <n-grid :cols="2" x-gap="20">
     <n-gi>
       <n-form>
-        <n-form-item label="本题参考答案（选填，用于 AI 分析，不会泄露）">
+        <n-form-item
+          :label="
+            isSQLProblem
+              ? '标准答案（必填，判题依据：每个测试点会运行它生成期望结果）'
+              : '本题参考答案（选填，用于 AI 分析，不会泄露）'
+          "
+        >
           <n-tabs
             type="segment"
             default-value="Python3"
@@ -695,7 +768,7 @@ watch(
   <h2 class="title">测试用例区域</h2>
 
   <n-flex align="center" style="margin-bottom: 12px">
-    <div>
+    <div v-if="!isSQLProblem">
       <n-button type="success" @click="showGeneratorModal = true">
         （新）直接生成
       </n-button>
@@ -706,14 +779,23 @@ watch(
         accept=".zip"
         :custom-request="handleUploadTestcases"
       >
-        <n-button type="info">（老）手动上传</n-button>
+        <n-button type="info">
+          {{ isSQLProblem ? "上传数据脚本压缩包" : "（老）手动上传" }}
+        </n-button>
       </n-upload>
     </div>
     <n-tooltip placement="right">
       <template #trigger>
         <n-button text>温馨提醒</n-button>
       </template>
+      <template v-if="isSQLProblem">
+        压缩包内放 1.sql、2.sql…（每个文件是一个测试点的建表+插入数据脚本，
+        判题时对每个测试点分别运行标准答案和学生 SQL 比对结果）。 建议至少 2-3
+        个数据不同的测试点，防止学生硬编码答案
+      </template>
+      <template v-else>
         【测试用例】最好要有10个，要考虑边界情况，且不要跟【测试样例】一模一样
+      </template>
     </n-tooltip>
   </n-flex>
 

src/oj/problem/components/Form.vue

@@ -140,7 +140,8 @@ defineExpose({
 
 onMounted(() => {
   if (!languages.value.includes(codeStore.code.language)) {
-    codeStore.code.language = "Python3"
+    // 回退到题目支持的第一种语言（如 SQL 题只有 "SQL"，硬编码 Python3 会被后端拒绝）
+    codeStore.code.language = languages.value[0] ?? "Python3"
   }
 })
 </script>
@@ -175,6 +176,7 @@ onMounted(() => {
 
     <template v-if="codeStore.code.language !== 'Flowchart'">
       <IconButton
+        v-if="codeStore.code.language !== 'SQL'"
         icon="streamline-ultimate-color:business-lucky-cat"
         tip="自测猫"
         @click="goTestCat"

src/oj/problem/detail.vue

@@ -130,6 +130,16 @@ onBeforeUnmount(() => {
 watch(isMobile, (value) => {
   if (value) screenModeStore.resetScreenMode()
 })
+
+// SQL 题不支持"自测"模式（外部代码运行器无法执行 SQL），切到该屏时自动跳到下一模式
+watch(
+  () => screenModeStore.isCodeOnlyMode,
+  (codeOnly) => {
+    if (codeOnly && problem.value?.languages.includes("SQL")) {
+      screenModeStore.switchScreenMode()
+    }
+  },
+)
 </script>
 
 <template>

src/oj/submission/detail.vue

@@ -127,7 +127,13 @@ onMounted(init)
         </n-flex>
       </n-alert>
       <n-flex :vertical="isDesktop" justify="center">
-        <n-button secondary @click="copyToCat">复制到自测猫</n-button>
+        <n-button
+          v-if="submission.language !== 'SQL'"
+          secondary
+          @click="copyToCat"
+        >
+          复制到自测猫
+        </n-button>
         <n-button secondary @click="copyToProblem">复制回到题目</n-button>
       </n-flex>
     </n-flex>

src/shared/components/SyncCodeEditor.vue

@@ -1,6 +1,7 @@
 <script lang="ts" setup>
 import { cpp } from "@codemirror/lang-cpp"
 import { python } from "@codemirror/lang-python"
+import { sql, SQLite } from "@codemirror/lang-sql"
 import { bracketMatching } from "@codemirror/language"
 import { EditorView } from "@codemirror/view"
 import { Codemirror } from "vue-codemirror"
@@ -57,6 +58,8 @@ const emit = defineEmits<{
 const { isDesktop } = useBreakpoints()
 
 const langExtension = computed((): Extension => {
+  if (language === "SQL")
+    return sql({ dialect: SQLite, upperCaseKeywords: true })
   return ["Python2", "Python3"].includes(language) ? python() : cpp()
 })
 

src/shared/extensions/autocompletion.ts

@@ -27,6 +27,9 @@ export function enhanceCompletion(language: LANGUAGE): CompletionSource {
     const word = context.matchBefore(/\w+/)
     if (!word && !context.explicit) return null
 
+    // SQL 没有中文注释提示，关键字补全由 @codemirror/lang-sql 提供
+    if (language === "SQL") return null
+
     const trulyLanguage = language.startsWith("Python") ? "python" : "c"
     const completions: Completion[] = (
       chineseAnnotations[trulyLanguage] || []

src/utils/constants.ts

@@ -175,6 +175,7 @@ export const SOURCES = {
   JavaScript: "",
   Golang: "",
   Flowchart: "",
+  SQL: "",
 } as const
 
 export const LANGUAGE_ID = {
@@ -186,6 +187,7 @@ export const LANGUAGE_ID = {
   JavaScript: 0,
   Golang: 0,
   Flowchart: 0,
+  SQL: 0,
 } as const
 
 export const LANGUAGE_FORMAT_VALUE = {
@@ -197,6 +199,7 @@ export const LANGUAGE_FORMAT_VALUE = {
   JavaScript: "javascript",
   Golang: "go",
   Flowchart: "flowchart",
+  SQL: "sql",
 } as const
 
 export const LANGUAGE_SHOW_VALUE = {
@@ -208,6 +211,7 @@ export const LANGUAGE_SHOW_VALUE = {
   Python3: "Python",
   JavaScript: "JS",
   Golang: "Go",
+  SQL: "SQL",
 } as const
 
 export const ICON_SET = {
@@ -219,6 +223,7 @@ export const ICON_SET = {
   Java: "devicon:java",
   JavaScript: "devicon:javascript",
   Golang: "devicon:go",
+  SQL: "devicon:sqlite",
 } as const
 
 const cTemplate = `//TEMPLATE BEGIN
@@ -256,6 +261,7 @@ export const CODE_TEMPLATES = {
   JavaScript: blankTemplate,
   Golang: blankTemplate,
   Flowchart: blankTemplate,
+  SQL: blankTemplate,
 } as const
 
 export enum ScreenMode {

src/utils/types.ts

@@ -65,6 +65,12 @@ export type LANGUAGE =
   | "JavaScript"
   | "Golang"
   | "Flowchart"
+  | "SQL"
+
+export interface SQLConfig {
+  mode: "query" | "modify"
+  order_sensitive: boolean
+}
 
 export type LANGUAGE_SHOW_LABEL =
   (typeof LANGUAGE_SHOW_VALUE)[keyof typeof LANGUAGE_SHOW_VALUE]
@@ -164,6 +170,9 @@ export interface Problem {
     }[]
   } | null
   has_ast_rules?: boolean
+
+  // SQL 题配置（非 SQL 题为 null）
+  sql_config?: SQLConfig | null
 }
 
 export type AdminProblem = Problem & AlterProblem