Delphi Base64编码，javascript解码汉字乱码解决方法演示程序（源代码）

{ "settings": { "project": "file:///Z%3A/sensor_wu/Project/A_APP_BOX/Tools/Delphi%20-%20JS%20-%20Base64/Delphi2Javascript_Base64_Demo.dpr", "dllname": "dcc32280.dll", "dccOptions": "-$D0 -$L- -$Y- --no-config -Q -TX.exe -AGenerics.Collections=System.Generics.Collections;Generics.Defaults=System.Generics.Defaults;WinTypes=Winapi.Windows;WinProcs=Winapi.Windows;DbiTypes=BDE;DbiProcs=BDE;DbiErrs=BDE -DRELEASE;;FRAMEWORK_VCL -E.\\Win32\\Release -I\"C:\\Delphi 11.1\\Components Installed\\WinSoft_Camera4.2\\Delphi11-Win32\";\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\lib\\Win32\\release\";C:\\Users\\Mac\\Documents\\Embarcadero\\Studio\\22.0\\Imports;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\Imports\";C:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\Dcp;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\include\" -LEC:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\Bpl -LNC:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\Dcp -NU.\\Win32\\Release -NSWinapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;System;Xml;Data;Datasnap;Web;Soap;Vcl;Vcl.Imaging;Vcl.Touch;Vcl.Samples;Vcl.Shell; -O\"C:\\Delphi 11.1\\Components Installed\\WinSoft_Camera4.2\\Delphi11-Win32\";\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\lib\\Win32\\release\";C:\\Users\\Mac\\Documents\\Embarcadero\\Studio\\22.0\\Imports;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\Imports\";C:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\Dcp;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\include\" -R\"C:\\Delphi 11.1\\Components Installed\\WinSoft_Camera4.2\\Delphi11-Win32\";\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\lib\\Win32\\release\";C:\\Users\\Mac\\Documents\\Embarcadero\\Studio\\22.0\\Imports;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\Imports\";C:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\Dcp;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\include\" -U\"C:\\Delphi 11.1\\Components Installed\\WinSoft_Camera4.2\\Delphi11-Win32\";\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\lib\\Win32\\release\";C:\\Users\\Mac\\Documents\\Embarcadero\\Studio\\22.0\\Imports;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\Imports\";C:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\Dcp;\"c:\\program files (x86)\\embarcadero\\studio\\22.0\\include\" -NBC:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\Dcp -NHC:\\Users\\Public\\Documents\\Embarcadero\\Studio\\22.0\\hpp\\Win32 -NO.\\Win32\\Release -LU" , "projectFiles":[ { "name": "uForm_Base64", "file": "file:///Z%3A/sensor_wu/Project/A_APP_BOX/Tools/Delphi%20-%20JS%20-%20Base64/uForm_Base64.pas" } ] , "includeDCUsInUsesCompletion": true, "browsingPaths": [ "file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/OCX/Servers","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/SOURCE/VCL","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/rtl/common","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/SOURCE/RTL/SYS","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/rtl/win","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/rtl/win/winrt","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/ToolsAPI","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/SOURCE/IBX","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/Internet","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/SOURCE/PROPERTY%20EDITORS","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/soap","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/SOURCE/XML","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/Indy10/Core","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/Indy10/System","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/Indy10/Protocols","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/fmx","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/databinding/components","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/databinding/engine","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/databinding/graph","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/ado","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/cloud","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/datasnap","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/dbx","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/dsnap","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/vclctrls","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/datasnap/connectors","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/datasnap/proxygen","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DataExplorer","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/Contrib/DUnitWizard/Source/Common","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/Contrib/DUnitWizard/Source/Common/dunit","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/Contrib/DUnitWizard/Source/DelphiExperts/Common","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/Contrib/DUnitWizard/Source/DelphiExperts/DUnitProject","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/Contrib/DUnitWizard/Source/DelphiExperts/DUnitProject/dunit","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/src","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/tests","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/Experts","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/indy/abstraction","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/indy/implementation","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/indyimpl","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/Property%20Editors/Indy10","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/soap/wsdlimporter","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/Visualizers","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/Contrib/XMLReporting","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnit/Contrib/XPGen","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/rest","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/firedac","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/tethering","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/DUnitX","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/data/ems","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/rtl/net","file:///c%3A/program%20files%20%28x86%29/embarcadero/studio/22.0/source/FlatBox2D","file:///Z%3A/sensor_wu/Project/A_APP_BOX/Tools/android%20接收系统广播消息控件/Source/Component/","file:///Z%3A/sensor_wu/Project/A_APP_BOX/Application/Source/Service/ClassicBlueTooth.Android/","file:///Z%3A/sensor_wu/Project/A_APP_BOX/Application/Source/Service/Android.Only/","file:///Z%3A/sensor_wu/Project/A_APP_BOX/Application/Source/DataModule.DB/","file:///Z%3A/sensor_wu/Project/A_APP_BOX/Application/D11（Alexandria）/","file:///Z%3