From 4eb71775167ae903aea17bb410c6201e872daf66 Mon Sep 17 00:00:00 2001
From: tony.cheng <chengmingwei_1984122@126.com>
Date: Thu, 05 Feb 2026 16:35:50 +0800
Subject: [PATCH] feat: 优化类案推荐功能 - 相似度分级、分页加载、详情字段扩展及法条显示优化
---
web-app/src/contexts/CaseDataContext.jsx | 73 +++++++++++++++++++++++-------------
1 files changed, 46 insertions(+), 27 deletions(-)
diff --git a/web-app/src/contexts/CaseDataContext.jsx b/web-app/src/contexts/CaseDataContext.jsx
index fa77efe..b430a09 100644
--- a/web-app/src/contexts/CaseDataContext.jsx
+++ b/web-app/src/contexts/CaseDataContext.jsx
@@ -3,7 +3,7 @@
* 提供案件数据的全局状态管理和localStorage持久化
*/
-import React, { createContext, useContext, useState, useEffect } from 'react';
+import React, { createContext, useContext, useState, useEffect, useRef } from 'react';
import { message } from 'antd';
import ProcessAPIService from '../services/ProcessAPIService';
import { getMergedParams } from '../utils/urlParams';
@@ -22,10 +22,12 @@
*/
export const CaseDataProvider = ({ children }) => {
const [caseData, setCaseData] = useState(null);
+ const [processNodes, setProcessNodes] = useState([]); // 流程节点数据
const [loading, setLoading] = useState(false);
const [error, setError] = useState(null);
const [taskStartTime, setTaskStartTime] = useState(null); // 任务开始时间
const [isTaskTimeFallback, setIsTaskTimeFallback] = useState(false); // 是否降级模式
+ const [hasLoaded, setHasLoaded] = useState(false); // 防止重复加载
/**
* 从localStorage读取数据
@@ -97,13 +99,10 @@
* 加载案件数据
*/
const loadCaseData = async (forceRefresh = false) => {
- // 如果不是强制刷新，先尝试从localStorage读取
- if (!forceRefresh) {
- const cachedData = loadFromStorage();
- if (cachedData) {
- setCaseData(cachedData);
- console.log('Loaded case data from localStorage');
- }
+ // 防止重复加载（除非强制刷新）
+ if (hasLoaded && !forceRefresh) {
+ console.log('Data already loaded, skipping...');
+ return;
}
setLoading(true);
@@ -126,9 +125,17 @@
// 提取timeline数据
const timelineData = response.timeline || response.data?.timeline || response;
-
+
+ // 提取nodes数据（确保为数组）
+ const nodesData = response.nodes || response.data?.nodes || [];
+
+ console.log('API Response:', response);
+ console.log('Extracted nodesData:', nodesData);
+
// 更新状态
setCaseData(timelineData);
+ setProcessNodes(Array.isArray(nodesData) ? nodesData : []); // 确保为数组
+ setHasLoaded(true); // 标记已加载
// 保存到localStorage
saveToStorage(timelineData);
@@ -144,23 +151,19 @@
// 显示错误提示
message.error('加载案件数据失败，请稍后重试');
- // 如果localStorage有数据，尝试使用缓存
- const cachedData = loadFromStorage();
- if (cachedData && !forceRefresh) {
- message.warning('已加载历史数据');
- setCaseData(cachedData);
- // 缓存数据也加载任务时间
- await loadTaskTime(cachedData);
- } else {
- // 使用Mock数据
- console.log('使用Mock数据');
- const mockData = mockTimelineData.data.timeline;
- setCaseData(mockData);
- saveToStorage(mockData);
-
- // Mock数据也加载任务时间
- await loadTaskTime(mockData);
- }
+ // 使用Mock数据（缓存数据不包含nodes，所以统一使用Mock）
+ console.log('===== 使用Mock数据 =====');
+ const mockData = mockTimelineData.data.timeline;
+ const mockNodes = mockTimelineData.data.nodes || [];
+ console.log('mockData:', mockData);
+ console.log('mockNodes:', mockNodes);
+ setCaseData(mockData);
+ setProcessNodes(mockNodes);
+ saveToStorage(mockData);
+ setHasLoaded(true);
+
+ // Mock数据也加载任务时间
+ await loadTaskTime(mockData);
} finally {
setLoading(false);
}
@@ -173,17 +176,33 @@
loadCaseData(true);
};
+ // 防止重复加载的引用标识
+ const loadInitRef = useRef(false);
+
/**
* 组件挂载时加载数据
*/
useEffect(() => {
- loadCaseData();
+ console.log('===== CaseDataContext useEffect triggered =====');
+ console.log('loadInitRef.current:', loadInitRef.current);
+ console.log('hasLoaded:', hasLoaded);
+ console.log('processNodes:', processNodes);
+
+ // StrictMode下防止双重调用
+ if (!loadInitRef.current) {
+ loadInitRef.current = true;
+ console.log('Calling loadCaseData()...');
+ loadCaseData();
+ } else {
+ console.log('loadCaseData() skipped due to loadInitRef.current === true');
+ }
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []); // 只在挂载时执行一次
// 提供的值
const value = {
caseData,
+ processNodes, // 流程节点数据
loading,
error,
refreshData,
--
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