feat(plan): 添加生成学案功能及界面支持

- 新增 AddLessonPlanReqVO 数据模型用于生成学案请求参数封装
- 新增 LessonPlanController 提供生成学案的后端接口，支持异步任务执行
- 新增 LessonPlanDialog 组件，实现前端学案生成弹窗及交互逻辑
- 在班级页面添加生成学案按钮，支持单个学生选择后调用弹窗
- 添加 plan.js 接口调用封装，调用后端生成学案接口
- 完成前后端联动，实现生成学案操作的完整流程和提示信息

enlish-vue/src/api/plan.js

@@ -0,0 +1,8 @@
+import axios from "@/axios";
+
+export function generateLessonPlan(studentId, unitId) {
+    return axios.post('/plan/generate', {
+        studentId: studentId,
+        unitId: unitId
+    })
+}

enlish-vue/src/layouts/components/LessonPlanDialog.vue

@@ -0,0 +1,88 @@
+<template>
+	<el-dialog v-model="visible" title="生成学案" width="520px" :close-on-click-modal="false">
+		<div class="space-y-4" v-loading="loading">
+			<el-form label-width="80px">
+				<el-form-item label="单元">
+					<el-select v-model="unitId" placeholder="请选择单元" style="width: 300px" filterable>
+						<el-option
+							v-for="u in unitOptions"
+							:key="u.id"
+							:label="u.title"
+							:value="u.id"
+						/>
+					</el-select>
+				</el-form-item>
+			</el-form>
+			<div class="text-sm text-gray-500">
+				学生ID：{{ studentId }}
+			</div>
+		</div>
+		<template #footer>
+			<div class="flex justify-end gap-2">
+				<el-button @click="visible = false">取消</el-button>
+				<el-button type="primary" :disabled="!unitId" @click="handleGenerate">生成</el-button>
+			</div>
+		</template>
+	</el-dialog>
+</template>
+
+<script setup>
+import { ref, computed, watch } from 'vue'
+import { getUnitList } from '@/api/unit'
+import { generateLessonPlan } from '@/api/plan'
+import { showMessage } from '../../composables/util'
+
+const props = defineProps({
+	modelValue: { type: Boolean, default: false },
+	studentId: { type: [Number, String], required: true }
+})
+const emit = defineEmits(['update:modelValue'])
+
+const visible = computed({
+	get: () => props.modelValue,
+	set: (val) => emit('update:modelValue', val)
+})
+
+const loading = ref(false)
+const unitId = ref(null)
+const unitOptions = ref([])
+
+async function fetchUnits() {
+	loading.value = true
+	try {
+		const res = await getUnitList(1, 100)
+		const d = res?.data
+		if (d.success) {
+			unitOptions.value = Array.isArray(d?.data) ? d.data : []
+		} else {
+		}
+	} finally {
+		loading.value = false
+	}
+}
+
+async function handleGenerate() {
+	if (!unitId.value || !props.studentId) return
+	const res = await generateLessonPlan(Number(props.studentId), Number(unitId.value))
+	const d = res?.data
+	if (d.success) {
+		ElMessage.success('生成学案任务已提交，请等待十分钟')
+		visible.value = false
+	} else {
+		showMessage(d.message || '生成学案失败，请联系管理员', 'error')
+		visible.value = false
+	}
+}
+
+watch(
+	() => props.modelValue,
+	(v) => {
+		if (v) {
+			unitId.value = null
+			fetchUnits()
+		}
+	}
+)
+</script>
+
+<style scoped></style>

enlish-vue/src/pages/class.vue

@@ -49,6 +49,10 @@
                                 @click="showGenerateDialog = true">
                                 生成试题
                             </el-button>
+                            <el-button type="warning" :disabled="selectedStudentIds.length !== 1"
+                                @click="showLessonPlanDialog = true">
+                                生成学案
+                            </el-button>
                         </div>
                         <el-table ref="studentTableRef" :data="students" border class="w-full"
                             v-loading="studentLoading" @selection-change="onStudentSelectionChange">
@@ -79,6 +83,10 @@
                             :default-grade-id="selectedGradeId"
                             @success="fetchStudents"
                         />
+                        <LessonPlanDialog
+                            v-model="showLessonPlanDialog"
+                            :student-id="selectedStudentIds[0]"
+                        />
                     </div>
 
                     <div class="bg-white dark:bg-gray-800 rounded-lg shadow p-6" v-loading="gradeLoading">
@@ -156,6 +164,7 @@ import ExamGenerateDialog from '@/layouts/components/ExamGenerateDialog.vue'
 import AddClassDialog from '@/layouts/components/AddClassDialog.vue'
 import AddGradeDialog from '@/layouts/components/AddGradeDialog.vue'
 import AddStudentDialog from '@/layouts/components/AddStudentDialog.vue'
+import LessonPlanDialog from '@/layouts/components/LessonPlanDialog.vue'
 import { getUnitList, deleteUnit } from '@/api/unit'
 import AddUnitDialog from '@/layouts/components/AddUnitDialog.vue'
 
@@ -189,6 +198,7 @@ const studentTableRef = ref(null)
 const selectedStudentIds = ref([])
 const showGenerateDialog = ref(false)
 const showAddStudentDialog = ref(false)
+const showLessonPlanDialog = ref(false)
 
 const units = ref([])
 const unitPageNo = ref(1)