feat(admin-dashboard): add mini rank chart for 7d merchant revenue

public/css/admin-components.css

@@ -354,6 +354,67 @@
     background:var(--adm-primary-tint-06, rgba(22, 119, 255, .06));
 }
 
+/* 可复用：迷你排行（渐进增强：由 admin.js 渲染，页面无 JS 时为空但不影响表格） */
+.adm-mini-rank{
+    margin-top:10px;
+    width:100%;
+    display:flex;
+    flex-direction:column;
+    gap:8px;
+    padding:10px 10px;
+    border:1px solid var(--adm-border-color, #e5e7eb);
+    border-radius:var(--adm-radius, 12px);
+    background:var(--adm-surface-tint, rgba(15, 23, 42, .02));
+    box-shadow:var(--adm-shadow-sm);
+}
+
+.adm-mini-rank.is-empty{
+    align-items:center;
+    justify-content:center;
+    color:var(--adm-text-muted, #94a3b8);
+    font-size:12px;
+}
+
+.adm-mini-rank-row{
+    display:flex;
+    align-items:center;
+    gap:10px;
+}
+
+.adm-mini-rank-name{
+    width:72px;
+    min-width:72px;
+    max-width:72px;
+    font-size:12px;
+    color:var(--adm-text-secondary, #64748b);
+    white-space:nowrap;
+    overflow:hidden;
+    text-overflow:ellipsis;
+}
+
+.adm-mini-rank-bar-wrap{
+    flex:1;
+    min-width:0;
+    height:12px;
+    border-radius:999px;
+    background:rgba(15, 23, 42, .06);
+    overflow:hidden;
+}
+
+.adm-mini-rank-bar{
+    height:100%;
+    border-radius:999px;
+    background:linear-gradient(90deg, rgba(22, 119, 255, .55), rgba(22, 119, 255, .18));
+}
+
+.adm-mini-rank-value{
+    width:92px;
+    min-width:92px;
+    text-align:right;
+    font-size:12px;
+    color:var(--adm-text, #0f172a);
+}
+
 .kpi-grid{
     display:grid;
     grid-template-columns:repeat(4,minmax(0,1fr));

public/js/admin.js

@@ -126,6 +126,75 @@
         });
     })();
 
+    // 仪表盘：迷你排行（近7天站点收入 Top5）
+    (function () {
+        var el = qs('[data-role="merchant-revenue-rank-7d-chart"][data-points]');
+        if (!el) {
+            return;
+        }
+
+        var raw = el.getAttribute('data-points') || '[]';
+        var points = [];
+        try {
+            points = JSON.parse(raw) || [];
+        } catch (e) {
+            points = [];
+        }
+
+        if (!points || points.length === 0) {
+            el.classList.add('is-empty');
+            el.textContent = '暂无排行数据';
+            return;
+        }
+
+        var max = 0;
+        points.forEach(function (p) {
+            var v = Number(p && p.paid_sum ? p.paid_sum : 0);
+            if (v > max) {
+                max = v;
+            }
+        });
+        if (!max || max <= 0) {
+            max = 1;
+        }
+
+        el.innerHTML = '';
+
+        points.forEach(function (p, idx) {
+            var paid = Number(p && p.paid_sum ? p.paid_sum : 0);
+            var ratio = Math.max(0, Math.min(1, paid / max));
+
+            var row = document.createElement('div');
+            row.className = 'adm-mini-rank-row';
+
+            var name = document.createElement('div');
+            name.className = 'adm-mini-rank-name';
+            // 仅展示 #排名（站点名在表格里可看；后续可把真实名字也塞进 data-points）
+            name.textContent = '#' + (idx + 1);
+
+            var wrap = document.createElement('div');
+            wrap.className = 'adm-mini-rank-bar-wrap';
+
+            var bar = document.createElement('div');
+            bar.className = 'adm-mini-rank-bar';
+            bar.style.width = Math.round(ratio * 100) + '%';
+
+            wrap.appendChild(bar);
+
+            var val = document.createElement('div');
+            val.className = 'adm-mini-rank-value';
+            val.textContent = '¥' + paid.toFixed(2);
+
+            row.title = 'Top' + (idx + 1) + '：已付 ¥' + paid.toFixed(2) + '，订单数 ' + String(p && p.count != null ? p.count : 0);
+
+            row.appendChild(name);
+            row.appendChild(wrap);
+            row.appendChild(val);
+
+            el.appendChild(row);
+        });
+    })();
+
     // 通用：将后端 flash 信息同步到 toast（更像 Ant Design Pro 的反馈方式）
     // 说明：渐进增强。页面仍保留原本的提示块，不依赖 JS。
     (function () {