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‎README.md‎

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@@ -4,6 +4,7 @@ ToolGood.Algorithm
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ToolGood.Algorithm是一个功能强大、轻量级、兼容`Excel公式`的算法类库，旨在提高开发人员在不同业务场景中的生产力。
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WebAssembly版本，请看csharp文件夹下`ToolGood.Algorithm.WebAssembly`,`ToolGood.Algorithm2.WebTest` 两个项目。
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**适用场景：** 代码与算法分离，避免项目强制升级
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‎csharp/ToolGood.Algorithm.WebAssembly/Program.cs‎

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namespace ToolGood.Algorithm.WebAssembly
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{
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using Microsoft.JSInterop;
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using System.Reflection.Metadata;
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using System.Text.Json;
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using ToolGood.Algorithm;
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using ToolGood.Algorithm.Enums;
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public class Program
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{
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private static void Main(string[] args)
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{
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System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
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}
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[JSInvokable]
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public static string TryEvaluateString(string exp, string def = null, string data = null, string option = null)
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{
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AlgorithmEngine ae;
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if (option == null) {
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ae = new AlgorithmEngine();
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} else {
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var ops = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(option);
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ae = new AlgorithmEngine(bool.Parse(ops["IgnoreCase"].ToString()));
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ae.UseExcelIndex = bool.Parse(ops["UseExcelIndex"].ToString());
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ae.UseTempDict = bool.Parse(ops["UseTempDict"].ToString());
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ae.UseLocalTime = bool.Parse(ops["UseLocalTime"].ToString());
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ae.DistanceUnit = (DistanceUnitType)(int.Parse(ops["DistanceUnit"].ToString()));
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ae.AreaUnit = (AreaUnitType)(int.Parse(ops["AreaUnit"].ToString()));
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ae.VolumeUnit = (VolumeUnitType)(int.Parse(ops["VolumeUnit"].ToString()));
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ae.MassUnit = (MassUnitType)(int.Parse(ops["MassUnit"].ToString()));
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}
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if (data != null) {
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ae.AddParameterFromJson(data);
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}
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return ae.TryEvaluate(exp, def);
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}
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[JSInvokable]
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public static decimal TryEvaluateNumber(string exp, decimal def, string data = null, string option = null)
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{
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AlgorithmEngine ae;
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if (option == null) {
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ae = new AlgorithmEngine();
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} else {
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var ops = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(option);
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ae = new AlgorithmEngine(bool.Parse(ops["IgnoreCase"].ToString()));
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ae.UseExcelIndex = bool.Parse(ops["UseExcelIndex"].ToString());
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ae.UseTempDict = bool.Parse(ops["UseTempDict"].ToString());
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ae.UseLocalTime = bool.Parse(ops["UseLocalTime"].ToString());
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ae.DistanceUnit = (DistanceUnitType)(int.Parse(ops["DistanceUnit"].ToString()));
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ae.AreaUnit = (AreaUnitType)(int.Parse(ops["AreaUnit"].ToString()));
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ae.VolumeUnit = (VolumeUnitType)(int.Parse(ops["VolumeUnit"].ToString()));
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ae.MassUnit = (MassUnitType)(int.Parse(ops["MassUnit"].ToString()));
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}
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if (data != null) {
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ae.AddParameterFromJson(data);
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}
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return ae.TryEvaluate(exp, def);
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}
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[JSInvokable]
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public static bool TryEvaluateBool(string exp, bool def, string data = null, string option = null)
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{
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AlgorithmEngine ae;
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if (option == null) {
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ae = new AlgorithmEngine();
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} else {
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var ops = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(option);
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ae = new AlgorithmEngine(bool.Parse(ops["IgnoreCase"].ToString()));
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ae.UseExcelIndex = bool.Parse(ops["UseExcelIndex"].ToString());
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ae.UseTempDict = bool.Parse(ops["UseTempDict"].ToString());
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ae.UseLocalTime = bool.Parse(ops["UseLocalTime"].ToString());
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ae.DistanceUnit = (DistanceUnitType)(int.Parse(ops["DistanceUnit"].ToString()));
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ae.AreaUnit = (AreaUnitType)(int.Parse(ops["AreaUnit"].ToString()));
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ae.VolumeUnit = (VolumeUnitType)(int.Parse(ops["VolumeUnit"].ToString()));
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ae.MassUnit = (MassUnitType)(int.Parse(ops["MassUnit"].ToString()));
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}
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if (data != null) {
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ae.AddParameterFromJson(data);
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}
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return ae.TryEvaluate(exp, def);
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}
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[JSInvokable]
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public static string TryEvaluateDateTime(string exp, DateTime def, string data = null, string option = null)
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{
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AlgorithmEngine ae;
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if (option == null) {
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ae = new AlgorithmEngine();
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} else {
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var ops = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(option);
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ae = new AlgorithmEngine(bool.Parse(ops["IgnoreCase"].ToString()));
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ae.UseExcelIndex = bool.Parse(ops["UseExcelIndex"].ToString());
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ae.UseTempDict = bool.Parse(ops["UseTempDict"].ToString());
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ae.UseLocalTime = bool.Parse(ops["UseLocalTime"].ToString());
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ae.DistanceUnit = (DistanceUnitType)(int.Parse(ops["DistanceUnit"].ToString()));
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ae.AreaUnit = (AreaUnitType)(int.Parse(ops["AreaUnit"].ToString()));
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ae.VolumeUnit = (VolumeUnitType)(int.Parse(ops["VolumeUnit"].ToString()));
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ae.MassUnit = (MassUnitType)(int.Parse(ops["MassUnit"].ToString()));
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}
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if (data != null) {
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ae.AddParameterFromJson(data);
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}
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return ae.TryEvaluate(exp, def).ToString("yyyy-MM-dd HH:mm:ss");
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}
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[JSInvokable]
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public static String GetSimplifiedFormula(String formula, string data = null, string option = null)
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{
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AlgorithmEngine ae;
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if (option == null) {
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ae = new AlgorithmEngine();
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} else {
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var ops = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(option);
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ae = new AlgorithmEngine(bool.Parse(ops["IgnoreCase"].ToString()));
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ae.UseExcelIndex = bool.Parse(ops["UseExcelIndex"].ToString());
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ae.UseTempDict = bool.Parse(ops["UseTempDict"].ToString());
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ae.UseLocalTime = bool.Parse(ops["UseLocalTime"].ToString());
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ae.DistanceUnit = (DistanceUnitType)(int.Parse(ops["DistanceUnit"].ToString()));
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ae.AreaUnit = (AreaUnitType)(int.Parse(ops["AreaUnit"].ToString()));
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ae.VolumeUnit = (VolumeUnitType)(int.Parse(ops["VolumeUnit"].ToString()));
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ae.MassUnit = (MassUnitType)(int.Parse(ops["MassUnit"].ToString()));
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}
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if (data != null) {
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ae.AddParameterFromJson(data);
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}
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return ae.GetSimplifiedFormula(formula);
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}
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[JSInvokable]
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public static string EvaluateFormula(string exp,string splitChars, string data = null, string option = null)
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{
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AlgorithmEngine ae;
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if (option == null) {
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ae = new AlgorithmEngine();
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} else {
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var ops = System.Text.Json.JsonSerializer.Deserialize<Dictionary<string, object>>(option);
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ae = new AlgorithmEngine(bool.Parse(ops["IgnoreCase"].ToString()));
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ae.UseExcelIndex = bool.Parse(ops["UseExcelIndex"].ToString());
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ae.UseTempDict = bool.Parse(ops["UseTempDict"].ToString());
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ae.UseLocalTime = bool.Parse(ops["UseLocalTime"].ToString());
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ae.DistanceUnit = (DistanceUnitType)(int.Parse(ops["DistanceUnit"].ToString()));
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ae.AreaUnit = (AreaUnitType)(int.Parse(ops["AreaUnit"].ToString()));
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ae.VolumeUnit = (VolumeUnitType)(int.Parse(ops["VolumeUnit"].ToString()));
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ae.MassUnit = (MassUnitType)(int.Parse(ops["MassUnit"].ToString()));
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}
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if (data != null) {
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ae.AddParameterFromJson(data);
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}
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return ae.EvaluateFormula(exp, splitChars.ToCharArray());
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}
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[JSInvokable]
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public static bool IsKeywords(string parameter)
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{
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return AlgorithmEngineHelper.IsKeywords(parameter);
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}
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[JSInvokable]
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public static string GetDiyNames(String exp)
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{
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return JsonSerializer.Serialize(AlgorithmEngineHelper.GetDiyNames(exp));
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}
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[JSInvokable]
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public static string UnitConversion(decimal src, string oldSrcUnit, string oldTarUnit, string name = null)
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{
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Dictionary<string,object> dic = new Dictionary<string,object>();
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try {
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var r = AlgorithmEngineHelper.UnitConversion(src, oldSrcUnit, oldTarUnit, name);
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dic["code"] = 0;
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dic["result"] = r;
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} catch (Exception ex) {
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dic["code"] = 1;
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dic["error"] = ex.Message;
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}
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return JsonSerializer.Serialize(dic);
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}
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}
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}

‎csharp/ToolGood.Algorithm.WebAssembly/Properties/launchSettings.json‎

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{
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"profiles": {
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"ToolGood.Algorithm.WebAssembly": {
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"commandName": "Project",
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"launchBrowser": true,
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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},
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"applicationUrl": "https://localhost:51417;http://localhost:51418"
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}
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}
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}

‎csharp/ToolGood.Algorithm.WebAssembly/ToolGood.Algorithm.WebAssembly.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.4" />
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<!--<PackageReference Include="SkiaSharp.Views.Blazor" Version="2.88.8" />-->
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ToolGood.Algorithm2\ToolGood.Algorithm2.csproj" />
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</ItemGroup>
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</Project>

‎csharp/ToolGood.Algorithm2.WebTest/Pages/Error.cshtml‎

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@page
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@model ErrorModel
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@{
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ViewData["Title"] = "Error";
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}
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<h1 class="text-danger">Error.</h1>
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<h2 class="text-danger">An error occurred while processing your request.</h2>
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@if (Model.ShowRequestId)
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{
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<p>
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<strong>Request ID:</strong> <code>@Model.RequestId</code>
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</p>
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}
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<h3>Development Mode</h3>
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<p>
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Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
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</p>
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<p>
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<strong>The Development environment shouldn't be enabled for deployed applications.</strong>
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It can result in displaying sensitive information from exceptions to end users.
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For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
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and restarting the app.
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</p>

‎csharp/ToolGood.Algorithm2.WebTest/Pages/Error.cshtml.cs‎

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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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using System.Diagnostics;
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namespace ToolGood.Algorithm2.WebTest.Pages
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{
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[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
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[IgnoreAntiforgeryToken]
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public class ErrorModel : PageModel
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{
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public string? RequestId { get; set; }
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public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
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private readonly ILogger<ErrorModel> _logger;
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public ErrorModel(ILogger<ErrorModel> logger)
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{
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_logger = logger;
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}
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public void OnGet()
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{
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RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
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}
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}
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}

‎csharp/ToolGood.Algorithm2.WebTest/Pages/Index.cshtml‎

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@page
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@model IndexModel
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@{
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Layout = null;
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}
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<html>
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<head>
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<meta charset="UTF-8" />
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</head>
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<body>
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编译ToolGood.Algorithm.WebAssembly项目，生成文件夹下的wwwroot文件夹中的_framework文件夹中就是生成的WebAssembly和相关文件
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<br />
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我们运行前端项目. 由于Blazor会生成blat、dll等不被Web服务器默认接受的文件类型，所以请确保在Web服务器上为如下格式的文件配置MimeType：.gz、.dat、.wasm
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<pre>
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DistanceUnitType = new class { constructor() { this.MM = 1; this.CM = 2; this.DM = 3; this.M = 4; this.KM = 5; } }();
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AreaUnitType = new class { constructor() { this.MM2 = 11; this.CM2 = 12; this.DM2 = 13; this.M2 = 14; this.KM2 = 15; } }();
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VolumeUnitType = new class { constructor() { this.MM3 = 21; this.CM3 = 22; this.DM3 = 23; this.M3 = 24; this.KM3 = 25; } }();
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MassUnitType = new class { constructor() { this.G = 31; this.KG = 32; this.T = 33; } }();
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AlgorithmEngine = class {
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constructor() {
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this.UseExcelIndex = true;
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this.UseTempDict = false;
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this.UseLocalTime = false;
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this.DistanceUnit = DistanceUnitType.M;
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this.AreaUnit = AreaUnitType.M2;
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this.VolumeUnit = VolumeUnitType.M3;
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this.MassUnit = MassUnitType.KG;
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this.IgnoreCase = false;
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}
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TryEvaluateString = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateString', exp, def, data, JSON.stringify(this)); }
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TryEvaluateNumber = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateNumber', exp, def, data, JSON.stringify(this)); }
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TryEvaluateBool = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateBool', exp, def, data, JSON.stringify(this)); }
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TryEvaluateDateTime = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateDateTime', exp, def, data, JSON.stringify(this)); }
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TryEvaluate = function (exp, def, data) {
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if (def == null) { return this.TryEvaluateString(exp, def, data); }
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if (typeof def == "number") { return this.TryEvaluateNumber(exp, def, data); }
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if (typeof def == "boolean") { return this.TryEvaluateBool(exp, def, data); }
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if (typeof def == "object" && def instanceof Date) { return this.TryEvaluateDateTime(exp, def, data); }
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return this.TryEvaluateString(exp, def, data);
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}
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};
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window.onload = async function () {
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await Blazor.start();
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var ae = new AlgorithmEngine();
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r = ae.TryEvaluate("'S' & 1", "")
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alert("'S' & 1 =>" + r);
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r = ae.TryEvaluate("1+2", 0)
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alert("1+2 =>" + r);
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r = ae.TryEvaluate("1=1", false)
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alert("1=1 =>" + r);
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r = ae.TryEvaluate("date(2014,1,2)", new Date())
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alert('date(2014,1,2) =>' + r);
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};
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</pre>
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</body>
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<script src="_framework/blazor.webassembly.js" autostart="false"></script>
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<script>
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DistanceUnitType = new class { constructor() { this.MM = 1; this.CM = 2; this.DM = 3; this.M = 4; this.KM = 5; } }();
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AreaUnitType = new class { constructor() { this.MM2 = 11; this.CM2 = 12; this.DM2 = 13; this.M2 = 14; this.KM2 = 15; } }();
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VolumeUnitType = new class { constructor() { this.MM3 = 21; this.CM3 = 22; this.DM3 = 23; this.M3 = 24; this.KM3 = 25; } }();
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MassUnitType = new class { constructor() { this.G = 31; this.KG = 32; this.T = 33; } }();
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AlgorithmEngine = class {
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constructor() {
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this.UseExcelIndex = true;
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this.UseTempDict = false;
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this.UseLocalTime = false;
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this.DistanceUnit = DistanceUnitType.M;
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this.AreaUnit = AreaUnitType.M2;
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this.VolumeUnit = VolumeUnitType.M3;
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this.MassUnit = MassUnitType.KG;
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this.IgnoreCase = false;
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}
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TryEvaluateString = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateString', exp, def, data, JSON.stringify(this)); }
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TryEvaluateNumber = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateNumber', exp, def, data, JSON.stringify(this)); }
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TryEvaluateBool = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateBool', exp, def, data, JSON.stringify(this)); }
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TryEvaluateDateTime = function (exp, def, data) { return DotNet.invokeMethod('ToolGood.Algorithm.WebAssembly', 'TryEvaluateDateTime', exp, def, data, JSON.stringify(this)); }
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TryEvaluate = function (exp, def, data) {
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if (def == null) { return this.TryEvaluateString(exp, def, data); }
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if (typeof def == "number") { return this.TryEvaluateNumber(exp, def, data); }
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if (typeof def == "boolean") { return this.TryEvaluateBool(exp, def, data); }
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if (typeof def == "object" && def instanceof Date) { return this.TryEvaluateDateTime(exp, def, data); }
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return this.TryEvaluateString(exp, def, data);
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}
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};
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window.onload = async function () {
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await Blazor.start();
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var ae = new AlgorithmEngine();
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r = ae.TryEvaluate("'S' & 1", "")
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alert("'S' & 1 =>" + r);
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r = ae.TryEvaluate("1+2", 0)
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alert("1+2 =>" + r);
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r = ae.TryEvaluate("1=1", false)
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alert("1=1 =>" + r);
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r = ae.TryEvaluate("date(2014,1,2)", new Date())
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alert('date(2014,1,2) =>' + r);
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};
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</script>
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</html>

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