针对Xml文件对比，有两种情况，一种是单纯的行对行比较，一种是结点比较
针对单纯的行对行比较，比较常用的工具有 svnmerge, winmerge, ExamDiff等，前两个是基于UI的，即结果只会打印在界面中，无法导出，所以如果要继承在程序中是件比较困难的事情，但是ExamDiff可以将结果以文件的形式导出来，所以嵌入到程序中就不是难事
如果要进行结点比较，目前我只尝试了使用LinQ写代码实现，当然这种方式做出来的程序只能针对特定的XML，如果XML中结点改变程序就得跟着改变
目前，LinQ的程序事例很多
粘出几个自己的例子，以备用
XML格式如下
<document case="lower" version="0.1"> <global> <tmspolicy PCNNumber="888" AreaType="DTC,GVA" DeploymentType="VAS/LOG" ThrottleMessages="200000" ThrottleBytes="124999875"> <MsFilterNorth PEListInclusive="true"> <PEFilter> <Item PE="-1" /> <Item PE="2" /> <Item PE="4" /> <Item PE="5" /> <Item PE="6" /> <Item PE="7" /> <Item PE="8" /> <Item PE="9" /> <Item PE="10" /> <Item PE="11" /> <Item PE="12" /> </PEFilter> </MsFilterNorth> <TrafficManager DefaultQueueIndex="1" EQMMemoryRisingThreshold="90" EQMMemoryFallingThreshold="75" EQMOverflowFallingThreshold="95" NewsQueueIndex="0" NumberOfQueues="3" OutputThrottleMessages="200000" OutputThrottleBytes="124999875" UDTQueueIndex="0"> <Queue-1 AggregationDelayThreshold="-1" DailyBreachThresholdTime="-1" DailyBreachDuration="840" ExceptionalDuration="300" ExceptionalDelayResetTime="3600" ExceptionalDelayLatencyThreshold="-1" GuaranteedQuota="80" ITMAware="true" GuaranteedMemoryQuota="50" PerRICThrottleInterval="-1" PRTOverloadDelayThreshold="-1" QueuePriority="2" SpareQuota="45" StrictPRTOverload="false"> <ITMUnawarePEs> </ITMUnawarePEs> <PEList> <Item PE="-1" /> <Item PE="2" /> <Item PE="4" /> <Item PE="5" /> <Item PE="6" /> <Item PE="7" /> <Item PE="8" /> <Item PE="9" /> <Item PE="10" /> <Item PE="11" /> <Item PE="12" /> <Item PE="13" /> <Item PE="14" /> <Item PE="15" /> <Item PE="17" /> </PEList> </Queue-1> <Queue1 AggregationDelayThreshold="500" DailyBreachThresholdTime="-1" DailyBreachDuration="840" ExceptionalDuration="300" ExceptionalDelayResetTime="3600" ExceptionalDelayLatencyThreshold="-1" GuaranteedQuota="10" ITMAware="true" GuaranteedMemoryQuota="15" PerRICThrottleInterval="-1" PRTOverloadDelayThreshold="-1" QueuePriority="1" SpareQuota="0" StrictPRTOverload="false"> <ITMUnawarePEs> </ITMUnawarePEs> <PEList> <Item PE="0" /> <Item PE="1" /> <Item PE="3" /> </PEList> </Queue1> <Queue2 AggregationDelayThreshold="500" DailyBreachThresholdTime="-1" DailyBreachDuration="840" ExceptionalDuration="300" ExceptionalDelayResetTime="3600" ExceptionalDelayLatencyThreshold="-1" GuaranteedQuota="10" ITMAware="true" GuaranteedMemoryQuota="10" PerRICThrottleInterval="-1" PRTOverloadDelayThreshold="-1" QueuePriority="0" SpareQuota="55" StrictPRTOverload="false"> <ITMUnawarePEs> </ITMUnawarePEs> <PEList> <Item PE="1952" /> <Item PE="2382" /> <Item PE="3774" /> <Item PE="5571" /> <Item PE="5589" /> <Item PE="6562" /> <Item PE="6786" /> <Item PE="7999" /> </PEList> </Queue2> </TrafficManager> </tmspolicy> </global> </document>
特定代码如下：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;
namespace TMSXmlCompare
{
class Program
{
static void Main(string[] args)
{
XDocument docA = XDocument.Load("D:\\VSWorkSpace\\TMSXmlCompare\\A.xml");
XDocument docB = XDocument.Load("D:\\VSWorkSpace\\TMSXmlCompare\\B.xml");
#region tmspolicy
var resultTmspolicy1 = from tmspolicy1 in docA.Descendants("tmspolicy")
from tmspolicy2 in docB.Descendants("tmspolicy")
select new
{
book1 = new
{
PCNNumber = tmspolicy1.Attribute("PCNNumber").Value,
AreaType = tmspolicy1.Attribute("AreaType").Value,
DeploymentType = tmspolicy1.Attribute("DeploymentType").Value,
ThrottleMessages = tmspolicy1.Attribute("ThrottleMessages").Value,
ThrottleBytes = tmspolicy1.Attribute("ThrottleBytes").Value
},
book2 = new
{
PCNNumber = tmspolicy2.Attribute("PCNNumber").Value,
AreaType = tmspolicy2.Attribute("AreaType").Value,
DeploymentType = tmspolicy2.Attribute("DeploymentType").Value,
ThrottleMessages = tmspolicy2.Attribute("ThrottleMessages").Value,
ThrottleBytes = tmspolicy2.Attribute("ThrottleBytes").Value
}
};
var resultTmspolicy2 = from i in resultTmspolicy1
where (!(i.book1.PCNNumber == i.book2.PCNNumber
&& i.book1.AreaType == i.book2.AreaType
&& i.book1.DeploymentType == i.book2.DeploymentType
&& i.book1.ThrottleMessages == i.book2.ThrottleMessages
&& i.book1.ThrottleBytes== i.book2.ThrottleBytes
))
select i;
if (resultTmspolicy2.Count() > 0)
{
Console.Write("<tmspolicy ");
foreach (XAttribute element in docB.Descendants("tmspolicy").Attributes())
{
Console.Write(element.Name + "=\"" + element.Value + "\" ");
}
Console.Write(">\n");
}
#endregion
Console.WriteLine("---------------");
#region MsFilterNorth PEFilter
//A is the new file, B is the old
//deletePart means the PE in B but not in A
//addPart means the PE in A but not in B
var deletePart = (from aPrj in docA.Descendants("tmspolicy").Descendants("MsFilterNorth").Descendants("PEFilter").Descendants("Item")
select aPrj.Attribute("PE").Value
).Except(
from bPrj in docB.Descendants("tmspolicy").Descendants("MsFilterNorth").Descendants("PEFilter").Descendants("Item")
select bPrj.Attribute("PE").Value);
var addPart = (from bPrj in docB.Descendants("tmspolicy").Descendants("MsFilterNorth").Descendants("PEFilter").Descendants("Item")
select bPrj.Attribute("PE").Value
).Except(
from aPrj in docA.Descendants("tmspolicy").Descendants("MsFilterNorth").Descendants("PEFilter").Descendants("Item")
select aPrj.Attribute("PE").Value);
if (deletePart.Count() > 0 || addPart.Count() > 0)
{
Console.Write("<tmspolicy-<MsFilterNorth-<PEFilter>\n");
if (deletePart.Count() > 0)
{
Console.ForegroundColor = ConsoleColor.Yellow;
foreach (string vv in deletePart)
{
Console.Write("<Item PE=\"" + vv + "\"/ >\n");
}
}
if (addPart.Count() > 0)
{
Console.ForegroundColor = ConsoleColor.Green;
foreach (string vv in addPart)
{
Console.Write("<Item PE=\"" + vv + "\"/ >\n");
}
}
}
#endregion
Console.WriteLine("---------------");
#region TrafficManager
var resultTrafficManager1 = from TrafficManager1 in docA.Descendants("TrafficManager")
from TrafficManager2 in docB.Descendants("TrafficManager")
select new
{
book1 = new
{
DefaultQueueIndex = TrafficManager1.Attribute("DefaultQueueIndex").Value,
EQMMemoryRisingThreshold = TrafficManager1.Attribute("EQMMemoryRisingThreshold").Value,
EQMMemoryFallingThreshold = TrafficManager1.Attribute("EQMMemoryFallingThreshold").Value,
EQMOverflowFallingThreshold = TrafficManager1.Attribute("EQMOverflowFallingThreshold").Value,
NewsQueueIndex = TrafficManager1.Attribute("NewsQueueIndex").Value,
NumberOfQueues = TrafficManager1.Attribute("NumberOfQueues").Value,
OutputThrottleMessages = TrafficManager1.Attribute("OutputThrottleMessages").Value,
OutputThrottleBytes = TrafficManager1.Attribute("OutputThrottleBytes").Value,
UDTQueueIndex = TrafficManager1.Attribute("UDTQueueIndex").Value
},
book2 = new
{
DefaultQueueIndex = TrafficManager2.Attribute("DefaultQueueIndex").Value,
EQMMemoryRisingThreshold = TrafficManager2.Attribute("EQMMemoryRisingThreshold").Value,
EQMMemoryFallingThreshold = TrafficManager2.Attribute("EQMMemoryFallingThreshold").Value,
EQMOverflowFallingThreshold = TrafficManager2.Attribute("EQMOverflowFallingThreshold").Value,
NewsQueueIndex = TrafficManager2.Attribute("NewsQueueIndex").Value,
NumberOfQueues = TrafficManager2.Attribute("NumberOfQueues").Value,
OutputThrottleMessages = TrafficManager2.Attribute("OutputThrottleMessages").Value,
OutputThrottleBytes = TrafficManager2.Attribute("OutputThrottleBytes").Value,
UDTQueueIndex = TrafficManager2.Attribute("UDTQueueIndex").Value
}
};
var resultTrafficManager2 = from i in resultTrafficManager1
where (!(i.book1.DefaultQueueIndex == i.book2.DefaultQueueIndex
&& i.book1.EQMMemoryRisingThreshold == i.book2.EQMMemoryRisingThreshold
&& i.book1.EQMMemoryFallingThreshold == i.book2.EQMMemoryFallingThreshold
&& i.book1.EQMOverflowFallingThreshold == i.book2.EQMOverflowFallingThreshold
&& i.book1.NewsQueueIndex == i.book2.NewsQueueIndex
&& i.book1.NumberOfQueues == i.book2.NumberOfQueues
&& i.book1.OutputThrottleMessages == i.book2.OutputThrottleMessages
&& i.book1.OutputThrottleBytes == i.book2.OutputThrottleBytes
&& i.book1.UDTQueueIndex == i.book2.UDTQueueIndex
))
select i;
if (resultTrafficManager2.Count()> 0)
{
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.Write("<TrafficManager ");
foreach (XAttribute att in docB.Descendants("TrafficManager").Attributes())
{
Console.Write(att.Name.ToString() + "=\"" + att.Value + "\" ");
}
Console.Write(">\n");
}
#endregion
Console.WriteLine("---------------");
#region compare the queue number
var deletQueue = (from aPrj in docA.Descendants("TrafficManager").Elements()
select aPrj.Name).Except(
from bPrj in docB.Descendants("TrafficManager").Elements()
select bPrj.Name
);
if (deletQueue.Count() > 0)
{
Console.ForegroundColor = ConsoleColor.Yellow;
foreach (XName vv in deletQueue)
{
XElement element = docA.Descendants(vv).First();
Console.Write(element);
Console.Write("\n");
}
Console.Write("\n");
}
var addQueue = (from bPrj in docB.Descendants("TrafficManager").Elements()
select bPrj.Name).Except(
from aPrj in docA.Descendants("TrafficManager").Elements()
select aPrj.Name
);
if (addQueue.Count() > 0)
{
Console.ForegroundColor = ConsoleColor.Green;
foreach (XName vv in addQueue)
{
XElement element = docB.Descendants(vv).First();
Console.Write(element);
Console.Write("\n");
}
Console.Write("\n");
}
Console.Write("\n");
var equalQueue = from aPrj in docA.Descendants("TrafficManager").Elements()
join bPrj in docB.Descendants("TrafficManager").Elements()
on aPrj.Name equals bPrj.Name
select
aPrj;
foreach (XElement dd in equalQueue)
{
IEnumerable<XElement> ffd= docB.Descendants(dd.Name).Descendants("PEList").Elements();
IEnumerable<XElement> ffr= docA.Descendants(dd.Name).Descendants("PEList").Elements();
var addEqualQueue = (from bPrj in docB.Descendants(dd.Name).Descendants("PEList").Elements()
select bPrj.Attribute("PE").Value
).Except(
from aPrj in docA.Descendants(dd.Name).Descendants("PEList").Elements()
select aPrj.Attribute("PE").Value
);
var deleteEqualQueue = (from aPrj in docA.Descendants(dd.Name).Descendants("PEList").Elements()
select aPrj.Attribute("PE").Value
).Except(
from bPrj in docB.Descendants(dd.Name).Descendants("PEList").Elements()
select bPrj.Attribute("PE").Value
);
if (addEqualQueue.Count() > 0 || deleteEqualQueue.Count() > 0)
{
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("<"+dd.Name+">");
if (addEqualQueue.Count() > 0)
{
Console.ForegroundColor = ConsoleColor.Green;
foreach (string vv in addEqualQueue)
{
Console.Write("<Item PE=\"" + vv + "\" />\n");
}
Console.Write("\n");
}
if (deleteEqualQueue.Count() > 0)
{
Console.ForegroundColor = ConsoleColor.Yellow;
foreach (string vv in deleteEqualQueue)
{
Console.Write("<Item PE=\"" + vv + "\" />\n");
}
Console.Write("\n");
}
}
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("</" + dd.Name + ">");
}
#endregion
var queueDiff = docA.Descendants("TrafficManager").Elements().Except(docB.Descendants("TrafficManager").Elements());
}
}
}
打印出结果大致如下：
