feat: VIP功能绑定、VIP病历模块、字典模块、传方按钮移动到顶部导航栏
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137
apps/web-antd/src/utils/dictSearchRank.ts
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137
apps/web-antd/src/utils/dictSearchRank.ts
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/**
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* 字典/词条搜索:匹配度打分、排序、关键字高亮拆分
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* 与后端 DictSearchRankService 规则对齐;mode=frontend 时由本工具排序
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*/
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export type DictSearchRankMode = 'backend' | 'frontend';
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export type HighlightPart = { text: string; hit: boolean };
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/** 与 PHP DictSearchRankService::score 对齐 */
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export function scoreDictMatch(
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text: string,
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keyword: string,
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extra = '',
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): number {
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const kw = String(keyword || '').trim();
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if (!kw) return 0;
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const main = String(text || '').trim();
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if (!main) return 0;
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let s = scoreOne(main, kw);
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if (extra) {
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s = Math.max(s, Math.floor(scoreOne(String(extra), kw) * 0.9));
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}
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return s;
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}
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function scoreOne(haystack: string, needle: string): number {
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if (haystack === needle) return 100;
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const lowerH = haystack.toLowerCase();
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const lowerN = needle.toLowerCase();
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const pos = lowerH.indexOf(lowerN);
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if (pos < 0) return 0;
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if (pos === 0) {
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const lenBonus = Math.max(0, 10 - Math.abs(haystack.length - needle.length));
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return 80 + Math.min(15, lenBonus);
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}
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return Math.max(20, 60 - Math.min(40, pos));
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}
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/**
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* 按匹配度降序;无关键字时保持原序
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*/
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export function rankByMatchScore<T>(
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items: T[],
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keyword: string,
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getText: (item: T) => string,
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getExtra?: (item: T) => string,
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): Array<T & { match_score: number }> {
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const kw = String(keyword || '').trim();
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const scored = items.map((item) => {
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const score = kw
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? scoreDictMatch(getText(item), kw, getExtra?.(item) || '')
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: 0;
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return Object.assign({}, item, { match_score: score }) as T & {
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match_score: number;
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};
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});
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if (!kw) return scored;
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return scored.sort((a, b) => {
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if (b.match_score !== a.match_score) return b.match_score - a.match_score;
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return 0;
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});
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}
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/**
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* 将文本按关键字拆成高亮片段(不做 HTML,便于 PC/小程序安全渲染)
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*/
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export function splitHighlight(
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text: string,
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keyword: string,
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): HighlightPart[] {
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const raw = String(text ?? '');
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const kw = String(keyword || '').trim();
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if (!raw || !kw) return [{ text: raw, hit: false }];
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const lower = raw.toLowerCase();
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const needle = kw.toLowerCase();
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const parts: HighlightPart[] = [];
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let start = 0;
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let idx = lower.indexOf(needle, start);
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while (idx >= 0) {
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if (idx > start) {
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parts.push({ text: raw.slice(start, idx), hit: false });
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}
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parts.push({ text: raw.slice(idx, idx + kw.length), hit: true });
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start = idx + kw.length;
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idx = lower.indexOf(needle, start);
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}
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if (start < raw.length) {
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parts.push({ text: raw.slice(start), hit: false });
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}
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return parts.length ? parts : [{ text: raw, hit: false }];
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}
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let cachedRankMode: DictSearchRankMode | null = null;
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/** 写入缓存(从系统配置或接口响应读取后调用) */
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export function setDictSearchRankMode(mode: string | undefined | null) {
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cachedRankMode = mode === 'frontend' ? 'frontend' : 'backend';
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}
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export function getDictSearchRankMode(): DictSearchRankMode {
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return cachedRankMode || 'backend';
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}
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/**
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* 按当前模式决定是否前端重排;有关键字时保证按匹配度降序,并尽量带上可展示的 match_score
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*/
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export function applyDictRankIfNeeded<T>(
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items: T[],
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keyword: string,
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getText: (item: T) => string,
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getExtra?: (item: T) => string,
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modeFromApi?: string,
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): Array<T & { match_score: number }> {
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if (modeFromApi === 'frontend' || modeFromApi === 'backend') {
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setDictSearchRankMode(modeFromApi);
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}
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const mode = getDictSearchRankMode();
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const kw = String(keyword || '').trim();
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if (mode === 'frontend') {
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return rankByMatchScore(items, keyword, getText, getExtra);
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}
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// backend:保留接口分数;若有关键字却全是 0(漏打分/合并未打分),前端补算
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const mapped = items.map((item: any) => ({
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...item,
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match_score: Number(item?.match_score || 0),
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})) as Array<T & { match_score: number }>;
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if (!kw) return mapped;
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const hasPositive = mapped.some((i) => Number(i.match_score) > 0);
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if (!hasPositive) {
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return rankByMatchScore(items, keyword, getText, getExtra);
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}
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return mapped.sort((a, b) => {
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if (b.match_score !== a.match_score) return b.match_score - a.match_score;
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return 0;
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});
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}
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