From 7df10afba7d61de89c30e1c447a260b9a50ecf35 Mon Sep 17 00:00:00 2001
From: Wenjie Zhang <xerrors@163.com>
Date: Sat, 20 Dec 2025 15:53:27 +0800
Subject: [PATCH] =?UTF-8?q?refactor(ui):=20=E4=BC=98=E5=8C=96=E7=9F=A5?=
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调整图谱布局参数提升渲染效果
重构顶部操作栏布局，改进搜索框样式和交互
移除冗余的说明按钮
---
 web/src/components/GraphCanvas.vue           |  12 +--
 web/src/components/KnowledgeGraphSection.vue | 107 ++++++++++++++-----
 web/src/views/GraphView.vue                  |   3 -
 3 files changed, 84 insertions(+), 38 deletions(-)

diff --git a/web/src/components/GraphCanvas.vue b/web/src/components/GraphCanvas.vue
index cf74fdad..ea08de65 100644
--- a/web/src/components/GraphCanvas.vue
+++ b/web/src/components/GraphCanvas.vue
@@ -68,14 +68,13 @@ const MAX_RETRIES = 5
 const defaultLayout = {
   type: 'd3-force',
   preventOverlap: true,
-  // 性能友好参数（参考 GraphView.vue）
   alphaDecay: 0.1,
   alphaMin: 0.01,
-  velocityDecay: 0.7,
-  iterations: 100,
+  velocityDecay: 0.6,
+  iterations: 150,
   force: {
     center: { x: 0.5, y: 0.5, strength: 0.1 },
-    charge: { strength: -400, distanceMax: 400 },
+    charge: { strength: -400, distanceMax: 600 },
     link: { distance: 100, strength: 0.8 },
   },
   collide: { radius: 40, strength: 0.8, iterations: 3 },
@@ -217,9 +216,6 @@ function initGraph() {
     const { target } = evt
     // 获取节点ID
     const nodeId = target.id
-    // 从 graph data 中找到对应的节点数据
-    // 注意：G6 v5 的事件对象结构可能有所不同，这里假设 target.id 是节点ID
-    // 也可以通过 graphInstance.getNodeData(nodeId) 获取
     const nodeData = graphInstance.getNodeData(nodeId)
     emit('node-click', nodeData)
   })
@@ -271,7 +267,7 @@ function setGraphData() {
       emit('data-rendered')
       console.log('图谱渲染完成，布局已稳定')
     }, 1500)
-  }, 10)  // 等待 1ms 确保布局完成
+  }, 10)  // 等待 10ms 确保布局完成
 }
 
 // 关键词高亮功能
diff --git a/web/src/components/KnowledgeGraphSection.vue b/web/src/components/KnowledgeGraphSection.vue
index 3255e225..e27980c2 100644
--- a/web/src/components/KnowledgeGraphSection.vue
+++ b/web/src/components/KnowledgeGraphSection.vue
@@ -18,26 +18,34 @@
         >
           <template #top>
              <div class="compact-actions">
-                <a-input-search
-                  v-model:value="searchInput"
-                  placeholder="搜索实体"
-                  style="width: 200px"
-                  @search="onSearch"
-                  allow-clear
-                />
-                <a-button
-                  type="text"
-                  :icon="h(ReloadOutlined)"
-                  :loading="graph.fetching"
-                  @click="loadGraph"
-                  title="刷新"
-                />
-                <a-button
-                  type="text"
-                  :icon="h(SettingOutlined)"
-                  @click="showSettings = true"
-                  title="设置"
-                />
+                <div class="actions-left">
+                  <a-input
+                    v-model:value="searchInput"
+                    placeholder="搜索实体"
+                    style="width: 240px"
+                    @keydown.enter="onSearch"
+                    allow-clear
+                  >
+                    <template #suffix>
+                       <component :is="graph.fetching ? LoadingOutlined : SearchOutlined" @click="onSearch" />
+                    </template>
+                  </a-input>
+                  <a-button
+                    class="action-btn"
+                    :icon="h(ReloadOutlined)"
+                    :loading="graph.fetching"
+                    @click="loadGraph"
+                    title="刷新"
+                  />
+                </div>
+                <div class="actions-right">
+                  <a-button
+                    class="action-btn"
+                    :icon="h(SettingOutlined)"
+                    @click="showSettings = true"
+                    title="设置"
+                  />
+                </div>
              </div>
           </template>
         </GraphCanvas>
@@ -94,7 +102,7 @@
 <script setup>
 import { ref, computed, watch, nextTick, onUnmounted, reactive, h } from 'vue';
 import { useDatabaseStore } from '@/stores/database';
-import { ReloadOutlined, SettingOutlined } from '@ant-design/icons-vue';
+import { ReloadOutlined, SettingOutlined, SearchOutlined, LoadingOutlined } from '@ant-design/icons-vue';
 import GraphCanvas from '@/components/GraphCanvas.vue';
 import GraphDetailPanel from '@/components/GraphDetailPanel.vue';
 import { getKbTypeLabel } from '@/utils/kb_utils';
@@ -241,14 +249,59 @@ onUnmounted(() => {
     position: absolute;
     top: 10px;
     left: 10px;
+    right: 10px;
     display: flex;
+    justify-content: space-between;
     align-items: center;
-    gap: 8px;
-    background: var(--color-trans-light);
-    backdrop-filter: blur(4px);
-    padding: 6px;
-    border-radius: 8px;
-    box-shadow: 0 0px 4px var(--shadow-3);
+    pointer-events: none; /* Let clicks pass through empty areas */
+
+    .actions-left, .actions-right {
+        pointer-events: auto; /* Re-enable clicks for buttons/inputs */
+        display: flex;
+        align-items: center;
+        gap: 4px;
+        background: var(--color-trans-light);
+        backdrop-filter: blur(4px);
+        padding: 2px;
+        border-radius: 8px;
+        box-shadow: 0 0px 4px var(--shadow-3);
+    }
+
+    :deep(.ant-input-affix-wrapper) {
+      padding: 4px 11px;
+      border-radius: 6px;
+      border-color: transparent;
+      box-shadow: none;
+      background: rgba(255, 255, 255, 0.6);
+
+      &:hover, &:focus, &-focused {
+        background: #fff;
+        border-color: var(--primary-color);
+      }
+
+      input {
+        background: transparent;
+      }
+    }
+
+    .action-btn {
+        width: 32px;
+        height: 32px;
+        padding: 0;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        border: none;
+        background: transparent;
+        color: var(--gray-600);
+        border-radius: 6px;
+        box-shadow: none;
+
+        &:hover {
+            background: rgba(0, 0, 0, 0.05);
+            color: var(--primary-color);
+        }
+    }
 }
 
 .graph-disabled {
diff --git a/web/src/views/GraphView.vue b/web/src/views/GraphView.vue
index 25951247..17cacaec 100644
--- a/web/src/views/GraphView.vue
+++ b/web/src/views/GraphView.vue
@@ -86,9 +86,6 @@
               <a-button type="default" @click="exportGraphData" :icon="h(ExportOutlined)">
                 导出数据
               </a-button>
-              <a-button type="default" @click="state.showInfoModal = true" :icon="h(InfoCircleOutlined)">
-                说明
-              </a-button>
             </div>
           </div>
         </template>