在開出新分頁後，無法讀取 sessionStorage 的資料
可能原因：
Chrome 某個版本，Stop cloning sessionStorage for windows opened with noopener
a标签_blank默认 rel="noopener" ，所以a标签需要加入rel=“opener” 而才能像window.open("同源页面")这种方式新开的页面会复制之前的sessionStorage
解決方法：
開新分頁前，加入 rel=“opener”參數即可。
例：
<a href="http://..." target="_blank" rel="opener">Link</a>
$(".hlkPrint").click(function () {
$("form").setPostDataToStorage();
$("form").attr("rel", "opener");
$("form").attr("target", "_blank");
$("form").attr("action", "xxxxx.aspx");
$("form").submit();
}); 參考：
面试官：你确定多窗口之间sessionStorage不能共享状态吗？？？
處理方式要在分享印表機的主機上設定 registry + 服務的 printer spooler 重啟
請參考 https://www.youtube.com/watch?v=XouW14RUJxs
出現錯誤： 無法產生 ActiveX 控制項 '8856f961-340a-11d0-a96b-00c04fd705a2'，因為目前的執行緒不是在單一執行緒 Apartment。
解決方法：
@Page 加上 AspCompat="true" 即可。
強迫網頁由 STA 執行緒集區服務
https://blog.johnwu.cc/article/centos-asp-net-core-neginx.html
注意, 文章中有一個錯誤:
/etc/nginx/conf.d/my-website.conf 的第 27 行, 應該是 include /etc/nginx/conf.d/default_proxy_settings;
2. 因為要避開 5000 port, 所以修改第二個網站的 appsettings.json, 讓第二個網站開在 5002 port, 如下.
{
"Logging": {
"LogLevel": {
"Default": "Information",
"Microsoft": "Warning",
"Microsoft.Hosting.Lifetime": "Information"
}
},
"Kestrel": {
"EndPoints": {
"Http": {
"Url": "http://localhost:5002"
}
}
},
"AllowedHosts": "*"
}
3. 新增 /etc/nginx/conf.d/my-website2.conf, 要注意
A. portal2
B. server localhost:5002
C. server_name coretest2.bike.idv.tw
當然 SSL 憑証的檔名也要記得改.
upstream portal2 {
# localhost:5000 改成 ASP.NET Core 所監聽的 Port
server localhost:5002;
}
server {
# 只要是透過這些 Domain 連 HTTP 80 Port，都會轉送封包到 ASP.NET Core
listen 80;
# 可透過空白區分，綁定多個 Domain
server_name coretest2.bike.idv.tw;
location / {
proxy_pass http://portal2/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}
# 用 HTTPS 必須要有 SSL 憑證，如果沒有要綁定 SSL 可以把下面整段移除
server {
# 只要是透過這些 Domain 連 HTTPS 443 Port，都會轉送封包到 ASP.NET Core
listen 443 ssl;
server_name coretest2.bike.idv.tw;
ssl_certificate /etc/nginx/ssl/coretest2.bike.idv.tw.crt;
ssl_certificate_key /etc/nginx/ssl/coretest2.bike.idv.tw.key;
location / {
proxy_pass http://portal2/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}
改完後就可以用了.
以下是 https://blog.johnwu.cc/article/centos-asp-net-core-neginx.html 抄過來的一些檔案, 作為備份:
setup-aspnet-core.sh
#!/bin/bash
main() {
sudo yum -y install epel-release
sudo yum -y update
install_nginx
install_dotnet
sudo firewall-cmd --add-service=http --permanent
sudo firewall-cmd --add-service=https --permanent
sudo firewall-cmd --reload
}
install_nginx() {
echo "###################################"
echo "########## Install Nginx ##########"
echo "###################################"
sudo yum -y install httpd-tools nginx
sudo setsebool -P httpd_can_network_connect on
sudo sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config
sudo setenforce 0
sudo systemctl enable nginx
sudo systemctl restart nginx
}
install_dotnet() {
echo "###########################################"
echo "########## Install .NET Core 2.2 ##########"
echo "###########################################"
sudo rpm -Uvh https://packages.microsoft.com/config/rhel/7/packages-microsoft-prod.rpm
sudo yum -y install aspnetcore-runtime-2.2
}
main "$@"
用以下指令執行:
sudo sh setup-aspnet-core.sh
/etc/systemd/system/my-website.service, (/bin/dotnet 有可能是 /usr/bin/dotnet)
[Unit]
# Description=<此服務的摘要說明>
Description=MyWebsite
[Service]
# WorkingDirectory=<ASP.NET Core 專案目錄>
WorkingDirectory=/usr/share/my-website
# ExecStart=/bin/dotnet <ASP.NET Core 起始 dll>
ExecStart=/bin/dotnet MyWebsite.dll
# 啟動若失敗，就重啟到成功為止
Restart=always
# 重啟的間隔秒數
RestartSec=10
# 設定環境變數，注入給 ASP.NET Core 用
Environment=ASPNETCORE_ENVIRONMENT=Production
Environment=DOTNET_PRINT_TELEMETRY_MESSAGE=false
[Install]
WantedBy=multi-user.target
服務相關指令：
# 開啟，開機自動啟動服務
systemctl enable my-website.service
# 關閉，開機自動啟動服務
systemctl disable my-website.service
# 啟動服務
systemctl start my-website.service
# 重啟服務
systemctl restart my-website.service
# 停止服務
systemctl stop my-website.service
# 查看服務狀態
systemctl status my-website.service
/etc/nginx/conf.d/default_proxy_settings
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $http_connection;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Host $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_cache_bypass $http_upgrade;
/etc/nginx/conf.d/my-website.conf
upstream portal {
# localhost:5000 改成 ASP.NET Core 所監聽的 Port
server localhost:5000;
}
server {
# 只要是透過這些 Domain 連 HTTP 80 Port，都會轉送封包到 ASP.NET Core
listen 80;
# 可透過空白區分，綁定多個 Domain
server_name demo.johnwu.cc example.johnwu.cc;
location / {
proxy_pass http://portal/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}
# 用 HTTPS 必須要有 SSL 憑證，如果沒有要綁定 SSL 可以把下面整段移除
server {
# 只要是透過這些 Domain 連 HTTPS 443 Port，都會轉送封包到 ASP.NET Core
listen 443 ssl;
server_name demo.johnwu.cc;
ssl_certificate /etc/nginx/ssl/demo.johnwu.cc_bundle.crt;
ssl_certificate_key /etc/nginx/ssl/demo.johnwu.cc.key;
location / {
proxy_pass http://portal/;
include /etc/nginx/conf.d/default_proxy_settings;
}
}Nginx 重新啟動:
# 檢查 Nginx 的設定是否有誤
nginx -t
# 若沒有錯誤，即可套用
nginx -s reload
<system.webServer>
<modules>
<remove name="UrlRoutingModule-4.0" />
<add name="UrlRoutingModule-4.0" type="System.Web.Routing.UrlRoutingModule" preCondition="" />
</modules>
</system.webServer>語法
@font-face { src: url('.....woff')
此時瀏覽器會使用 XHR 方存取字型檔案 因此會產生跨站問題 (CORS)https://developer.mozilla.org/zh-TW/docs/HTTP/Access_control_CORS
所以無法下載字型檔
解決方法:
B網域網站要加上 http header，允許A網站存取
語法
Access-Control-Allow-Origin: http://foo.example
當然，http://foo.example 可以改成 * (星號) 表示所有站台都可以存取Sample 如下:
Imports System.Drawing.Printing
Namespace X
Partial Public Class PrintSomething
Dim PD As PrintDocumentDim ppc As New Printing.PreviewPrintController()
Dim TotalPage As Int32 = 0
''' <summary>
''' 第幾次列印, 用來控制寫出的圖檔
''' </summary>
''' <remarks></remarks>
Dim PrintCount As Int32 = 1Dim PageCount As Int32 = 1
:
:
:
Sub New(ByVal oPM As DB.PackingListMain, ByVal dtDetail As DataTable, dtUsedCoupon As DataTable)
'初始化資料
:
:
:
End SubSub InitPrintDocument()
'在這裡設定 PrintDocument 的紙張, 印表機, 邊界, 橫印或直印PD = New PrintDocument
:
:
:End Sub
Sub print()
InitPrintDocument()PD.PrintController = ppc
' 第一次先把列印結果存在 Printing.PreviewPrintController 中
AddHandler PD.PrintPage, AddressOf GeneratePreview'再來儲存圖片
AddHandler PD.EndPrint, AddressOf SaveImagePD.Print()
End Sub
Dim ppi() As Printing.PreviewPageInfo
Dim PrintPage As Int32 = 0Sub SaveImage(ByVal sender As Object, ByVal ev As PrintEventArgs)
PrintDebug("Save Image Start, " & Now.ToString("yyyy-MM-dd HH:mm:ss.fff"))
'把圖檔存起來
Dim TF As String = Now.ToString("yyyyMMddHHmmss") ' DB.SysConfig.Path.LocalDataRoot
Dim PathLocal As String = "C:\PrintLog\" & TF.Substring(0, 4) & "-" & TF.Substring(4, 2) & "\"
Dim PathPackingListSheetImage As String = DB.SysConfig.PackingListSheetImage & TF.Substring(0, 4) & "-" & TF.Substring(4, 2) & "\"System.IO.Directory.CreateDirectory(PathLocal)
System.IO.Directory.CreateDirectory(PathPackingListSheetImage)Dim LatestImages As String = ""
ppi = ppc.GetPreviewPageInfo()For x As Integer = 0 To ppi.Length - 1
Dim Filename As String = TF & "_" & Me.oPM.Id & "_" & x & ".png"ppi(x).Image.Save(PathLocal & Filename, System.Drawing.Imaging.ImageFormat.Png)
Next
'把圖檔印出來
For x As Integer = 0 To ppi.Length - 1
'建立新的 PrintDocument
InitPrintDocument()If CST.WebConfig.Server_NAME = "測試主機" Then
UW.WU.DebugWriteLine("PrinterName: " & Me.PD.PrinterSettings.PrinterName)
UW.WU.DebugWriteLine("PaperSize: " & PD.DefaultPageSettings.PaperSize.PaperName)PD.DocumentName = "PackingList"
PD.PrinterSettings.PrintFileName = "C:\PDF\PackingList" & Now.ToString("yyyyMMddHHmmss") & "_" & PrintPage & ".prn"
PD.PrinterSettings.PrintToFile = True'PD.PrinterSettings.
End If'很奇怪, 這裡不會分頁, 所以要一張一張印
AddHandler PD.PrintPage, AddressOf pd_PrintPage2
PD.Print()
PrintPage += 1Next
End SubPrivate Sub pd_PrintPage2(ByVal sender As Object, ByVal ev As PrintPageEventArgs)
'很奇怪, 這裡不會分頁, 所以要一張一張印
ev.Graphics.DrawImage(ppi(PrintPage).Image, 0, 0)
ev.HasMorePages = False
End Sub
Private Sub GeneratePreview(ByVal sender As Object, ByVal ev As PrintPageEventArgs)
' 列印內容
End SubEnd Class
End ClassEnd Namespace