很多时候,很多应用都会使用到某些计算公式,而这些计算公式一段时间之后可能会调整。目前,一般处理的办法有硬编码、数据库表配置以及脚本。自ironpython发布之后,.net动态脚本的威力日增,以至于有DLR的诞生...
以下是有关代码:(使用ironpython自带的示例文件first.py)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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using IronPython.Hosting;
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namespace IronPythonIntegrationDemo
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("请输入阶乘数字");
long num = long.Parse(Console.ReadLine());
PythonEngine engine = new PythonEngine();
engine.Import("Site");
CompiledCode cc = engine.CompileFile(@"D:\IronPython-1.1\Tutorial\first.py");
cc.Execute();
engine.Execute(string.Format("total = factorial({0})", num));
long total = engine.EvaluateAs<long>("total");
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Console.WriteLine(total);
Console.Read();
}
}
}
这样,可以把动态脚本引擎集成进自己的程序里。当计算公式发生变化时,代码不需要修改,而只修改脚本即可。
我觉得还是蛮好的,起码在程序的扩展性上。
first.py文件内容如下:
#####################################################################################
#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# This source code is subject to terms and conditions of the Shared Source License
# for IronPython. A copy of the license can be found in the License.html file
# at the root of this distribution. If you can not locate the Shared Source License
# for IronPython, please send an email to ironpy@microsoft.com.
# By using this source code in any fashion, you are agreeing to be bound by
# the terms of the Shared Source License for IronPython.
#
# You must not remove this notice, or any other, from this software.
#
######################################################################################
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def add(a, b):
"add(a, b) -> returns a + b"
return a + b
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def factorial(n):
"factorial(n) -> returns factorial of n"
if n <= 1: return 1
return n * factorial(n-1)
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hi = "Hello from IronPython!"
以下是有关代码:(使用ironpython自带的示例文件first.py)
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我觉得还是蛮好的,起码在程序的扩展性上。
first.py文件内容如下:
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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