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增强打印预览功能，新增离线打印功能，新增缩放控制按钮以提升用户体验。优化打印数据准备逻辑，支持实时预览缩放，确保打印效果的一致性。同时，重构相关视图和服务以增强系统的可维护性和扩展性。

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This commit is contained in:
geht
2026-05-14 11:25:17 +08:00
parent 8bcc34aee0
commit 296bc2a4b2
7 changed files with 702 additions and 109 deletions
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282
yy-admin-master/YY.Admin.Services/Service/RawMaterialCard/RawMaterialCardService.cs
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@@ -3,6 +3,7 @@ using System.Net.Http;
using System.IO;
using System.Text;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Text.Json.Serialization;
using System.Web;
using Prism.Events;
@@ -20,6 +21,8 @@ public class RawMaterialCardService : IRawMaterialCardService, ISingletonDepende
private readonly INetworkMonitor _networkMonitor;
private readonly IEventAggregator _eventAggregator;
private readonly ILoggerService _logger;
private readonly IPrintBizTemplateBindService _printBizTemplateBindService;
private readonly IPrintTemplateService _printTemplateService;
private readonly SemaphoreSlim _syncLock = new(1, 1);
private readonly object _cacheLock = new();
private readonly string _pendingOpsFilePath;
@@ -39,13 +42,17 @@ public class RawMaterialCardService : IRawMaterialCardService, ISingletonDepende
IConfiguration configuration,
INetworkMonitor networkMonitor,
IEventAggregator eventAggregator,
ILoggerService logger)
ILoggerService logger,
IPrintBizTemplateBindService printBizTemplateBindService,
IPrintTemplateService printTemplateService)
{
_httpClientFactory = httpClientFactory;
_configuration = configuration;
_networkMonitor = networkMonitor;
_eventAggregator = eventAggregator;
_logger = logger;
_printBizTemplateBindService = printBizTemplateBindService;
_printTemplateService = printTemplateService;
var appDataDir = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
@@ -66,6 +73,7 @@ public class RawMaterialCardService : IRawMaterialCardService, ISingletonDepende
}
private const int MaxPendingRetries = 5;
private const string RawMaterialCardTemplateCode = "MES_RAW_MATERIAL_CARD";
private string BaseUrl => (_configuration.GetValue<string>("JeecgIntegration:BaseUrl") ?? "http://localhost:8080/jeecg-boot").TrimEnd('/');
private int DefaultTenantId => (int?)_configuration.GetValue<long?>("JeecgIntegration:DefaultTenantId") ?? 1002;
@@ -319,35 +327,263 @@ public class RawMaterialCardService : IRawMaterialCardService, ISingletonDepende
public async Task<(string templateJson, string printDataJson, string? errorMessage)> PrepareNativePrintAsync(string id, CancellationToken ct = default)
{
if (!_networkMonitor.IsOnline)
return (string.Empty, "{}", "当前离线，无法获取打印数据");
if (_networkMonitor.IsOnline)
{
try
{
var url = $"{BaseUrl}/xslmes/mesXslRawMaterialCard/anon/prepareNativePrint?id={Uri.EscapeDataString(id)}&tenantId={DefaultTenantId}";
using var client = CreateClient();
var resp = await client.GetAsync(url, ct).ConfigureAwait(false);
var json = await resp.Content.ReadAsStringAsync(ct).ConfigureAwait(false);
using var doc = JsonDocument.Parse(json);
var root = doc.RootElement;
if (!root.TryGetProperty("code", out var codeEl) || codeEl.GetInt32() != 200)
{
var msg = root.TryGetProperty("message", out var msgEl) ? msgEl.GetString() : "未知错误";
return (string.Empty, "{}", msg ?? "服务端返回错误");
}
var result = root.GetProperty("result");
var templateJson = result.TryGetProperty("templateJson", out var tjEl) ? tjEl.GetString() : null;
var printDataJson = result.TryGetProperty("printData", out var pdEl)
? pdEl.GetRawText()
: "{}";
if (string.IsNullOrWhiteSpace(templateJson))
return (string.Empty, "{}", "服务端未返回模板 JSON，请先在「业务打印绑定」中配置原材料卡片");
return (templateJson!, printDataJson, null);
}
catch (Exception ex)
{
_logger.Warning($"[原材料卡片] 远端准备打印数据失败，回退本地模板渲染 id={id}: {ex.Message}");
}
}
return await PrepareLocalNativePrintAsync(id, ct).ConfigureAwait(false);
}
private async Task<(string templateJson, string printDataJson, string? errorMessage)> PrepareLocalNativePrintAsync(string id, CancellationToken ct)
{
var card = GetCardSnapshotById(id);
if (card == null)
{
return (string.Empty, "{}", "本地未找到原材料卡片，无法离线打印");
}
var bindList = _printBizTemplateBindService.GetCached();
if (bindList.Count == 0)
{
try { bindList = await _printBizTemplateBindService.ListAsync(ct).ConfigureAwait(false); } catch { }
}
var bind = bindList.FirstOrDefault(x => string.Equals(x.TemplateCode, RawMaterialCardTemplateCode, StringComparison.OrdinalIgnoreCase))
?? bindList.FirstOrDefault(x => (x.BizName ?? string.Empty).Contains("原材料卡片", StringComparison.OrdinalIgnoreCase));
if (bind == null)
{
return (string.Empty, "{}", "未找到本地业务打印绑定，请先在线同步「原材料卡片」模板配置");
}
var templates = _printTemplateService.GetCached();
if (templates.Count == 0)
{
try { templates = await _printTemplateService.ListAsync(ct).ConfigureAwait(false); } catch { }
}
var templateCode = string.IsNullOrWhiteSpace(bind.TemplateCode) ? RawMaterialCardTemplateCode : bind.TemplateCode!;
var tpl = templates.FirstOrDefault(t => !string.IsNullOrWhiteSpace(bind.TemplateId) && string.Equals(t.Id, bind.TemplateId, StringComparison.OrdinalIgnoreCase))
?? templates.FirstOrDefault(t => string.Equals(t.TemplateCode, templateCode, StringComparison.OrdinalIgnoreCase));
if (tpl == null || string.IsNullOrWhiteSpace(tpl.TemplateJson))
{
return (string.Empty, "{}", "本地未找到打印模板，请先在线同步模板后再离线打印");
}
var mappingJson = string.IsNullOrWhiteSpace(bind.FieldMappingJson) ? "[]" : bind.FieldMappingJson!;
var printData = BuildPrintDataFromMapping(card, mappingJson, tpl.TemplateJson!);
return (tpl.TemplateJson!, printData.ToJsonString(), null);
}
private MesXslRawMaterialCard? GetCardSnapshotById(string id)
{
if (string.IsNullOrWhiteSpace(id)) return null;
lock (_cacheLock)
{
var snapshot = ApplyPendingOpsSnapshotUnsafe(_localCache.Select(Clone).ToList());
return snapshot.FirstOrDefault(c => string.Equals(c.Id, id, StringComparison.OrdinalIgnoreCase)) is { } found
? Clone(found)
: null;
}
}
private JsonObject BuildPrintDataFromMapping<T>(T source, string mappingJson, string templateJson)
{
JsonObject printData = new();
JsonNode? bizRoot = JsonSerializer.SerializeToNode(source, _jsonOpts);
try
{
var url = $"{BaseUrl}/xslmes/mesXslRawMaterialCard/anon/prepareNativePrint?id={Uri.EscapeDataString(id)}&tenantId={DefaultTenantId}";
using var client = CreateClient();
var resp = await client.GetAsync(url, ct).ConfigureAwait(false);
var json = await resp.Content.ReadAsStringAsync(ct).ConfigureAwait(false);
using var doc = JsonDocument.Parse(json);
var root = doc.RootElement;
if (!root.TryGetProperty("code", out var codeEl) || codeEl.GetInt32() != 200)
var mappingNode = JsonNode.Parse(mappingJson) as JsonArray;
if (mappingNode != null)
{
var msg = root.TryGetProperty("message", out var msgEl) ? msgEl.GetString() : "未知错误";
return (string.Empty, "{}", msg ?? "服务端返回错误");
foreach (var rule in mappingNode)
{
if (rule is not JsonObject obj) continue;
var templateField = obj["templateField"]?.GetValue<string>()?.Trim();
if (string.IsNullOrWhiteSpace(templateField)) continue;
var bizField = obj["bizField"]?.GetValue<string>()?.Trim();
JsonNode? value = string.IsNullOrWhiteSpace(bizField)
? JsonValue.Create(string.Empty)
: ResolvePath(bizRoot, bizField!);
SetPath(printData, templateField!, NormalizePrintNodeValue(value));
}
}
var result = root.GetProperty("result");
var templateJson = result.TryGetProperty("templateJson", out var tjEl) ? tjEl.GetString() : null;
var printDataJson = result.TryGetProperty("printData", out var pdEl)
? pdEl.GetRawText()
: "{}";
if (string.IsNullOrWhiteSpace(templateJson))
return (string.Empty, "{}", "服务端未返回模板 JSON，请先在「业务打印绑定」中配置原材料卡片");
return (templateJson!, printDataJson, null);
}
catch (Exception ex)
catch
{
_logger.Warning($"[原材料卡片] 准备打印数据失败 id={id}: {ex.Message}");
return (string.Empty, "{}", $"获取打印数据失败：{ex.Message}");
// 映射异常时继续按模板字段补空，避免影响整体打印
}
try
{
var templateNode = JsonNode.Parse(templateJson);
var bindFields = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
CollectTemplateBindFields(templateNode, bindFields);
foreach (var key in bindFields)
{
if (!HasPath(printData, key))
{
SetPath(printData, key, JsonValue.Create(string.Empty)!);
}
}
}
catch
{
// 模板结构异常时忽略补空逻辑
}
return printData;
}
private static void CollectTemplateBindFields(JsonNode? node, HashSet<string> fields)
{
if (node == null) return;
if (node is JsonObject obj)
{
if (obj["dataBinding"] is JsonObject db && db["params"] is JsonArray paramArr)
{
foreach (var p in paramArr)
{
var key = p?["key"]?.GetValue<string>()?.Trim();
if (!string.IsNullOrWhiteSpace(key)) fields.Add(key!);
}
}
var bindField = obj["bindField"]?.GetValue<string>()?.Trim();
if (!string.IsNullOrWhiteSpace(bindField)) fields.Add(bindField!);
if (obj["columns"] is JsonArray cols)
{
foreach (var c in cols)
{
var cBind = c?["bindField"]?.GetValue<string>()?.Trim();
var cField = c?["field"]?.GetValue<string>()?.Trim();
if (!string.IsNullOrWhiteSpace(cBind)) fields.Add(cBind!);
else if (!string.IsNullOrWhiteSpace(cField)) fields.Add(cField!);
}
}
foreach (var kv in obj)
{
CollectTemplateBindFields(kv.Value, fields);
}
return;
}
if (node is JsonArray arr)
{
foreach (var item in arr)
{
CollectTemplateBindFields(item, fields);
}
}
}
private static JsonNode? ResolvePath(JsonNode? root, string path)
{
if (root == null || string.IsNullOrWhiteSpace(path)) return null;
var parts = path.Split('.', StringSplitOptions.RemoveEmptyEntries);
JsonNode? current = root;
foreach (var part in parts)
{
if (current == null) return null;
if (current is JsonArray arr)
{
if (int.TryParse(part, out var index))
{
current = index >= 0 && index < arr.Count ? arr[index] : null;
}
else
{
current = arr.Count > 0 ? arr[0]?[part] : null;
}
}
else
{
current = current[part];
}
}
return current;
}
private static bool HasPath(JsonObject root, string path)
{
var parts = path.Split('.', StringSplitOptions.RemoveEmptyEntries);
JsonNode? current = root;
for (int i = 0; i < parts.Length; i++)
{
if (current is not JsonObject obj) return false;
if (!obj.TryGetPropertyValue(parts[i], out current)) return false;
if (i == parts.Length - 1) return true;
}
return false;
}
private static JsonNode NormalizePrintNodeValue(JsonNode? node)
{
if (node == null) return JsonValue.Create(string.Empty)!;
if (node is JsonValue value)
{
if (value.TryGetValue<DateTime>(out var dt))
{
return JsonValue.Create(dt.ToString("yyyy-MM-dd HH:mm:ss"))!;
}
if (value.TryGetValue<DateTimeOffset>(out var dto))
{
return JsonValue.Create(dto.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss"))!;
}
if (value.TryGetValue<string>(out var text) && !string.IsNullOrWhiteSpace(text))
{
if ((text.Contains('T') || text.EndsWith("Z", StringComparison.OrdinalIgnoreCase) || text.Contains('+'))
&& DateTimeOffset.TryParse(text, out var parsed))
{
return JsonValue.Create(parsed.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss"))!;
}
}
}
return node.DeepClone();
}
private static void SetPath(JsonObject target, string path, JsonNode value)
{
var parts = path.Split('.', StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 0) return;
JsonObject current = target;
for (int i = 0; i < parts.Length - 1; i++)
{
if (current[parts[i]] is not JsonObject child)
{
child = new JsonObject();
current[parts[i]] = child;
}
current = child;
}
current[parts[^1]] = value;
}
public async Task<bool> UpdatePriorityAsync(string id, string priorityPickup, CancellationToken ct = default)