Render visitor QR code on proxy page

cmd/jintai-visitor-proxy/main.go

@@ -22,6 +22,8 @@ import (
 	"strings"
 	"sync"
 	"time"
+
+	qrcode "github.com/skip2/go-qrcode"
 )
 
 const (
@@ -328,13 +330,118 @@ func renderResultHTML(raw []byte) template.HTML {
 		return template.HTML(`<div class="empty">返回内容不是 JSON，已显示在原始响应里。</div>`)
 	}
 
+	result := value
+	message := ""
+	if obj, ok := value.(map[string]any); ok {
+		if msg, _ := obj["message"].(string); msg != "" {
+			message = msg
+		}
+		if v, ok := obj["result"]; ok {
+			result = v
+		}
+	}
+
 	var b strings.Builder
 	b.WriteString(`<div class="result-block">`)
-	b.WriteString(renderAny(value, "查询结果"))
+	if message != "" {
+		b.WriteString(`<div class="api-message">` + html.EscapeString(message) + `</div>`)
+	}
+
+	records := collectRecords(result)
+	if len(records) > 0 {
+		for i, record := range records {
+			b.WriteString(renderVisitorCard(record, i+1, len(records)))
+		}
+		b.WriteString(`<details class="field-details"><summary>详细字段</summary>`)
+		b.WriteString(renderAny(result, "访客记录"))
+		b.WriteString(`</details>`)
+	} else {
+		b.WriteString(renderAny(result, "访客记录"))
+	}
 	b.WriteString(`</div>`)
 	return template.HTML(b.String())
 }
 
+func collectRecords(v any) []map[string]any {
+	switch x := v.(type) {
+	case []any:
+		records := make([]map[string]any, 0, len(x))
+		for _, item := range x {
+			if record, ok := item.(map[string]any); ok {
+				records = append(records, record)
+			}
+		}
+		return records
+	case map[string]any:
+		if len(x) == 0 {
+			return nil
+		}
+		return []map[string]any{x}
+	case string:
+		var nested any
+		if json.Unmarshal([]byte(x), &nested) == nil {
+			return collectRecords(nested)
+		}
+	}
+	return nil
+}
+
+func renderVisitorCard(obj map[string]any, index, total int) string {
+	name := firstField(obj, "姓名", "访客姓名")
+	if name == "" {
+		name = "访客"
+	}
+	gender := firstField(obj, "性别", "性别_dict", "性别_dictText")
+	title := "访客"
+	if gender == "男" {
+		title = "先生"
+	} else if gender == "女" {
+		title = "女士"
+	}
+
+	company := firstField(obj, "访客公司", "公司", "单位")
+	start := firstField(obj, "开始时间", "来访时间")
+	end := firstField(obj, "结束时间", "离开时间")
+	reason := firstField(obj, "来访事由_dictText", "来访事由_dict", "来访事由")
+	host := firstField(obj, "接待人名称", "接待人", "person")
+	qrText := firstField(obj, "备注", "二维码", "通行码", "访客码", "QRCode", "qrCode", "qr")
+	qrSrc, qrErr := qrImageDataURL(qrText)
+
+	var b strings.Builder
+	b.WriteString(`<article class="visitor-card">`)
+	b.WriteString(`<div class="card-head"><span>访客证</span>`)
+	if total > 1 {
+		b.WriteString(`<strong>` + html.EscapeString(fmt.Sprintf("%d / %d", index, total)) + `</strong>`)
+	}
+	b.WriteString(`</div>`)
+	b.WriteString(`<div class="welcome"><span>尊敬的</span><b>` + html.EscapeString(name) + `</b><span>` + html.EscapeString(title) + `</span></div>`)
+	if qrSrc != "" {
+		b.WriteString(`<div class="qr-wrap"><img class="qr-code" src="` + html.EscapeString(qrSrc) + `" alt="访客二维码"></div>`)
+	} else {
+		msg := "记录里没有可生成二维码的备注字段。"
+		if qrErr != nil {
+			msg = qrErr.Error()
+		}
+		b.WriteString(`<div class="qr-missing">` + html.EscapeString(msg) + `</div>`)
+	}
+	b.WriteString(`<div class="qr-tip">进园区时，请出示此二维码</div>`)
+	b.WriteString(`<div class="company">` + html.EscapeString(firstNonEmpty(company, "-")) + `</div>`)
+	b.WriteString(`<div class="card-meta">`)
+	b.WriteString(renderMetaRow("开始时间", start))
+	b.WriteString(renderMetaRow("结束时间", end))
+	b.WriteString(renderMetaRow("来访事由", reason))
+	b.WriteString(renderMetaRow("接待人", host))
+	b.WriteString(`</div></article>`)
+	return b.String()
+}
+
+func renderMetaRow(label, value string) string {
+	if strings.TrimSpace(value) == "" {
+		return ""
+	}
+	return `<div class="meta-row"><span>` + html.EscapeString(label) + `</span><strong>` + html.EscapeString(value) + `</strong></div>`
+}
+
 func renderAny(v any, title string) string {
 	switch x := v.(type) {
 	case map[string]any:
@@ -391,6 +498,31 @@ func renderObject(obj map[string]any, title string) string {
 	return b.String()
 }
 
+func firstField(obj map[string]any, keys ...string) string {
+	for _, key := range keys {
+		if v, ok := obj[key]; ok {
+			if s := strings.TrimSpace(stringify(v)); s != "" {
+				return s
+			}
+		}
+	}
+	return ""
+}
+
+func qrImageDataURL(text string) (string, error) {
+	text = strings.TrimSpace(text)
+	if text == "" {
+		return "", errors.New("记录里没有可生成二维码的备注字段。")
+	}
+
+	png, err := qrcode.Encode(text, qrcode.Medium, 220)
+	if err != nil {
+		return "", fmt.Errorf("二维码生成失败：%w", err)
+	}
+
+	return "data:image/png;base64," + base64.StdEncoding.EncodeToString(png), nil
+}
+
 func stringify(v any) string {
 	switch x := v.(type) {
 	case nil:
@@ -568,6 +700,103 @@ var pageTemplate = template.Must(template.New("page").Parse(`<!doctype html>
     .status.err { color: var(--err); }
     .status.muted { color: var(--muted); }
     .result-block { margin-top: 18px; }
+    .visitor-card {
+      max-width: 390px;
+      margin: 0 auto 14px;
+      background: #fff;
+      border: 1px solid #dcc698;
+      border-radius: 8px;
+      box-shadow: 0 18px 50px rgba(85, 61, 23, .14);
+      overflow: hidden;
+    }
+    .card-head {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      min-height: 48px;
+      padding: 0 18px;
+      color: #fff;
+      background: #8f6f34;
+      font-size: 18px;
+      font-weight: 700;
+    }
+    .card-head strong { font-size: 13px; font-weight: 600; }
+    .welcome {
+      display: flex;
+      align-items: baseline;
+      justify-content: center;
+      gap: 8px;
+      padding: 20px 18px 12px;
+      font-size: 16px;
+    }
+    .welcome b { font-size: 22px; }
+    .qr-wrap {
+      display: flex;
+      justify-content: center;
+      padding: 8px 0 10px;
+      background: #fff;
+    }
+    .qr-code {
+      width: 220px;
+      height: 220px;
+      display: block;
+      image-rendering: pixelated;
+    }
+    .qr-missing {
+      margin: 12px 18px;
+      padding: 18px;
+      border: 1px dashed var(--line);
+      border-radius: 8px;
+      color: var(--err);
+      text-align: center;
+      line-height: 1.6;
+      background: #fff7f7;
+    }
+    .qr-tip {
+      padding: 0 18px 14px;
+      color: #8f6f34;
+      text-align: center;
+      font-size: 14px;
+    }
+    .company {
+      padding: 14px 18px;
+      border-top: 1px solid #efe2c8;
+      border-bottom: 1px solid #efe2c8;
+      text-align: center;
+      font-size: 15px;
+      line-height: 1.6;
+      word-break: break-word;
+    }
+    .card-meta { padding: 12px 18px 16px; }
+    .meta-row {
+      display: flex;
+      justify-content: space-between;
+      gap: 14px;
+      padding: 6px 0;
+      color: var(--muted);
+      font-size: 14px;
+      line-height: 1.5;
+    }
+    .meta-row strong {
+      color: var(--text);
+      font-weight: 500;
+      text-align: right;
+      word-break: break-word;
+    }
+    .field-details, .raw-json {
+      margin-top: 12px;
+      background: #fff;
+      border: 1px solid var(--line);
+      border-radius: 8px;
+      overflow: hidden;
+    }
+    .field-details summary, .raw-json summary {
+      cursor: pointer;
+      padding: 12px 14px;
+      color: var(--primary);
+      font-size: 14px;
+      user-select: none;
+    }
     .api-message, .empty, .single-value {
       padding: 14px 16px;
       color: var(--muted);
@@ -606,7 +835,7 @@ var pageTemplate = template.Must(template.New("page").Parse(`<!doctype html>
     }
     .image-text { color: var(--muted); font-size: 12px; }
     pre {
-      margin: 18px 0 0;
+      margin: 0;
       max-height: 360px;
       overflow: auto;
       white-space: pre-wrap;
@@ -622,6 +851,15 @@ var pageTemplate = template.Must(template.New("page").Parse(`<!doctype html>
       .captcha-grid, .actions, .fields { grid-template-columns: 1fr; }
       .field-key { border-bottom: 0; padding-bottom: 4px; }
       .field-value { padding-top: 4px; }
+      .visitor-card { max-width: 100%; }
+      .meta-row {
+        display: block;
+      }
+      .meta-row strong {
+        display: block;
+        margin-top: 2px;
+        text-align: left;
+      }
     }
   </style>
 </head>
@@ -669,7 +907,7 @@ var pageTemplate = template.Must(template.New("page").Parse(`<!doctype html>
 
     {{.ResultHTML}}
 
-    {{if .RawJSON}}<pre>{{.RawJSON}}</pre>{{end}}
+    {{if .RawJSON}}<details class="raw-json"><summary>原始响应</summary><pre>{{.RawJSON}}</pre></details>{{end}}
   </main>
 </body>
 </html>`))

go.mod

@@ -58,6 +58,7 @@ require (
 	github.com/olekukonko/ll v0.0.9 // indirect
 	github.com/olekukonko/tablewriter v1.1.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e // indirect
 	github.com/syndtr/goleveldb v1.0.0 // indirect
 	github.com/tjfoc/gmsm v1.4.1 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect

go.sum

@@ -241,6 +241,8 @@ github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
 github.com/sigurn/crc16 v0.0.0-20240131213347-83fcde1e29d1 h1:NVK+OqnavpyFmUiKfUMHrpvbCi2VFoWTrcpI7aDaJ2I=
 github.com/sigurn/crc16 v0.0.0-20240131213347-83fcde1e29d1/go.mod h1:9/etS5gpQq9BJsJMWg1wpLbfuSnkm8dPF6FdW2JXVhA=
+github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
+github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/assertions v1.1.0/go.mod h1:tcbTF8ujkAEcZ8TElKY+i30BzYlVhC/LOxJk7iOWnoo=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=