feat: 新增 AI 辅助，重构登录页与环境变量命名

src/views/codegen/composables/useAiFillDiff.ts

@@ -0,0 +1,167 @@
+import { cloneDeep } from "lodash-es";
+import type { FieldConfig, GenConfigForm } from "@/api/codegen";
+import type { OptionItem } from "@/api/common";
+import { FormTypeEnum, QueryTypeEnum } from "@/enums/codegen";
+
+/** 单处改动 */
+export interface AiChangeItem {
+  /** 改动项名称 */
+  label: string;
+  /** 改动前展示值 */
+  from: string;
+  /** 改动后展示值 */
+  to: string;
+}
+
+/** 单个字段的改动 */
+export interface AiFieldChange {
+  /** 列名 */
+  columnName: string;
+  /** 改动明细 */
+  changes: AiChangeItem[];
+}
+
+/** 改动明细行，供差异表格逐行展示 */
+export interface AiChangeRow extends AiChangeItem {
+  /** 列名 */
+  columnName: string;
+  /** 该字段的改动总数，只在首行展示 */
+  fieldChangeCount: number;
+  /** 是否为该字段的首行，字段名只在首行出现 */
+  first: boolean;
+}
+
+/** AI 填充前后差异 */
+export interface AiFillDiff {
+  /** 业务名改动 */
+  businessName?: AiChangeItem;
+  /** 字段改动列表 */
+  fields: AiFieldChange[];
+  /** 涉及字段数 */
+  fieldCount: number;
+  /** 改动总数 */
+  changeCount: number;
+}
+
+/** 参与比对的字段属性，顺序与字段配置表格一致 */
+const FIELD_ITEMS: { key: keyof FieldConfig; label: string; format: (value: unknown) => string }[] =
+  [
+    { key: "fieldComment", label: "字段描述", format: text },
+    { key: "isShowInQuery", label: "查询条件", format: switchText },
+    { key: "queryType", label: "查询方式", format: (value) => enumLabel(QueryTypeEnum, value) },
+    { key: "isShowInList", label: "列表显示", format: switchText },
+    { key: "isShowInForm", label: "表单显示", format: switchText },
+    { key: "formType", label: "表单类型", format: (value) => enumLabel(FormTypeEnum, value) },
+    { key: "dictType", label: "字典类型", format: text },
+    { key: "isRequired", label: "必填", format: switchText },
+  ];
+
+/** 空值显示为「空」，避免差异明细里出现空白 */
+function text(value: unknown): string {
+  return value == null || value === "" ? "空" : String(value);
+}
+
+/** 0/1 开关值转文本 */
+function switchText(value: unknown): string {
+  return value === 1 ? "是" : "否";
+}
+
+/** 枚举值转中文名，匹配不到时保留原值 */
+function enumLabel(options: Record<string, OptionItem>, value: unknown): string {
+  if (value == null) return "-";
+  const hit = Object.values(options).find((item) => item.value === value);
+  return hit?.label ?? String(value);
+}
+
+/** 对比两份配置，只保留发生变化的部分 */
+export function diffGenConfig(before: GenConfigForm, after: GenConfigForm): AiFillDiff {
+  const diff: AiFillDiff = { fields: [], fieldCount: 0, changeCount: 0 };
+
+  if ((before.businessName ?? "") !== (after.businessName ?? "")) {
+    diff.businessName = {
+      label: "业务名",
+      from: text(before.businessName),
+      to: text(after.businessName),
+    };
+    diff.changeCount++;
+  }
+
+  const beforeFields = new Map(
+    (before.fieldConfigs ?? []).map((field) => [field.columnName, field])
+  );
+  (after.fieldConfigs ?? []).forEach((field) => {
+    const origin = beforeFields.get(field.columnName);
+    if (!origin) return;
+    const changes: AiChangeItem[] = [];
+    FIELD_ITEMS.forEach(({ key, label, format }) => {
+      const from = format(origin[key]);
+      const to = format(field[key]);
+      if (from !== to) changes.push({ label, from, to });
+    });
+    if (changes.length) {
+      diff.fields.push({ columnName: field.columnName ?? "", changes });
+      diff.fieldCount++;
+      diff.changeCount += changes.length;
+    }
+  });
+
+  return diff;
+}
+
+/** AI 填充差异：填充前留快照，填充后算差异，支持撤销 */
+export function useAiFillDiff() {
+  const aiDiff = ref<AiFillDiff | null>(null);
+  let snapshot: GenConfigForm | null = null;
+
+  /** 字段改动映射，供字段表格按列名标记 */
+  const fieldChanges = computed<Record<string, AiChangeItem[]>>(() => {
+    const map: Record<string, AiChangeItem[]> = {};
+    (aiDiff.value?.fields ?? []).forEach((field) => {
+      map[field.columnName] = field.changes;
+    });
+    return map;
+  });
+
+  /** 改动明细拍平成表格行，同一字段的多条改动带上合并标记 */
+  const changeRows = computed<AiChangeRow[]>(() =>
+    (aiDiff.value?.fields ?? []).flatMap((field) =>
+      field.changes.map((item, index) => ({
+        columnName: field.columnName,
+        fieldChangeCount: field.changes.length,
+        first: index === 0,
+        ...item,
+      }))
+    )
+  );
+
+  /** 丢弃差异与快照 */
+  function clear() {
+    snapshot = null;
+    aiDiff.value = null;
+  }
+
+  /** 记录填充前的配置 */
+  function snapshotConfig(config: GenConfigForm) {
+    snapshot = cloneDeep(config);
+    aiDiff.value = null;
+  }
+
+  /** 计算与填充前的差异 */
+  function resolveDiff(filled: GenConfigForm): AiFillDiff {
+    const diff = snapshot
+      ? diffGenConfig(snapshot, filled)
+      : { fields: [], fieldCount: 0, changeCount: 0 };
+    aiDiff.value = diff;
+    return diff;
+  }
+
+  /** 恢复填充前的配置并清空差异 */
+  function undo(): GenConfigForm | null {
+    if (!snapshot) return null;
+    const config = cloneDeep(snapshot);
+    clear();
+    return config;
+  }
+
+  return { aiDiff, fieldChanges, changeRows, clear, snapshotConfig, resolveDiff, undo };
+}

src/views/codegen/composables/useGenConfig.ts

@@ -59,6 +59,14 @@ export function useGenConfig() {
     { deep: true, immediate: true }
   );
 
+  /** 未保存过的表页面类型为空，统一补成普通表单 */
+  function applyDefaults(config: GenConfigForm): GenConfigForm {
+    if (!config.pageType) {
+      config.pageType = "classic";
+    }
+    return config;
+  }
+
   /** 加载配置：并行获取菜单、字典、生成配置 */
   async function loadConfig(tableName: string) {
     const [menuList, dictList, config] = await Promise.all([
@@ -68,7 +76,7 @@ export function useGenConfig() {
     ]);
     menuOptions.value = menuList;
     dictOptions.value = dictList;
-    genConfigFormData.value = config;
+    genConfigFormData.value = applyDefaults(config);
     return config;
   }
 
@@ -105,5 +113,6 @@ export function useGenConfig() {
     saveConfig,
     validateBasic,
     bulkSet,
+    applyDefaults,
   };
 }