matlab中的xml节点替换

我有一个以下格式的XML片段

           </Markings>
           <Profiles>
              <Profile name="LAKECITY_2x2voies+tp+park+trottoir" type="none">
                 <LaneBorder distance="-15.1 " height="0.15 " markingOffset="0 "/>
                 <LaneBorder distance="-12.15 " height="0.15 " markingOffset="0 "/>
                 <LaneBorder distance="-12.1 " height="0 " markingOffset="0.15 "/>
                 <LaneBorder distance="-11.8 " height="0 " markingOffset="0 "/>
                 <Lane Ground="Cobblestone " circulationWay="both " name="Lane " speedLimit="8.33333 " type="sidewalk "/>
                 <Lane Ground="Asphalt " circulationWay="none " name="Lane 2 " speedLimit="0 " type="shoulder "/>
                 <Lane Ground="Asphalt " circulationWay="none " name="Lane 3 " speedLimit="0 " type="shoulder "/>
                 <Lane Ground="Asphalt " circulationWay="inverse " name="Lane 4 " speedLimit="13.8888888888889 " type="parking "/>
                 <Lane Ground="Asphalt " circulationWay="none " name="Lane 3 " speedLimit="0 " type="shoulder "/>                  </Profile>
           </Profiles>
        </RoadNetwork>

当我尝试这样做时，所发生的一切就是“prof1ChildNodes”中的计数不断减少。起初是16个，然后随着我尝试更换的次数不断减少

有什么方法可以实现这个功能吗？任何帮助都会大有裨益

提前感谢,

---

Girish

我碰巧自己找到了解决办法。显然我唯一要做的就是

a） 获取所需的“Profile”节点对象

b） 将“Lanes”和“LaneBorders”分为两个独立的集合

c） 使用“node.insertBefore（newNode，existingNode）”方法在两个必需的“laneborder”之间插入每个“Lane”，如下面的代码所示

profilesNodeCol = docNode.getElementsByTagName('Profiles'); //Getting all the "Profiles" nodes
            for k= 0: profilesNodeCol.getLength-1
                profilesK = profilesNodeCol.item(k); //Getting the kth profile
                for iCount=0:profilesK.getLength
                    LBcol = profilesK.item(iCount).getElementsByTagName('LaneBorder'); //Creating a LaneBorder collection
                    laneCol = profilesK.item(iCount).getElementsByTagName('Lane'); //Creating a Lane collection
                    for j=0: laneCol.getLength-1
                        try
                            profilesK.item(iCount).insertBefore(laneCol.item(j),LBcol.item(j+1));  //Inserting the required Lane between the two required LaneBorders
                        catch ME
                            error('Error in function %s() at line %d.\n\nError Message:\n%s', ...
                                ME.stack(1).name, ME.stack(1).line, ME.message);
                        end
                    end
                end

            end

谢谢@pkpk的提示

它对循环使用3个嵌套。这是一种否定，但它实现了函数性。如果有人能提出一个更好、最理想的方法，这个建议真的很值得一提

提前谢谢

问候,

---

Girish

尝试使用Thank you for your coment，但是将xml转换为结构对我有什么帮助呢？我想使用结构来更改元素的顺序会容易得多。

profilesNode = docNode.getElementsByTagName('Profiles'); //Get all the 'Profiles' in the document
prof1 = profileNodeCol.item(0); //Getting the first 'Profile' node
LaneCollection = prof1.getElementsByTagName('Lane'); //Getting all the 'Lane' nodes inside 'Profile'
LBcollection = prof1.getElementsByTagName('LaneBorder'); //Getting all the 'LaneBorder' nodes inside 'Profile'
prof1ChildNodes = prof1.getChildNodes; //Getting all the childNodes inside 'Profile'
prof1ChildNodes.replaceChild(LaneCollection.item(0),prof1ChildNodes.item(1)) // Trying to replace the second childNode of Profile with first 'Lane' node

profilesNodeCol = docNode.getElementsByTagName('Profiles'); //Getting all the "Profiles" nodes
            for k= 0: profilesNodeCol.getLength-1
                profilesK = profilesNodeCol.item(k); //Getting the kth profile
                for iCount=0:profilesK.getLength
                    LBcol = profilesK.item(iCount).getElementsByTagName('LaneBorder'); //Creating a LaneBorder collection
                    laneCol = profilesK.item(iCount).getElementsByTagName('Lane'); //Creating a Lane collection
                    for j=0: laneCol.getLength-1
                        try
                            profilesK.item(iCount).insertBefore(laneCol.item(j),LBcol.item(j+1));  //Inserting the required Lane between the two required LaneBorders
                        catch ME
                            error('Error in function %s() at line %d.\n\nError Message:\n%s', ...
                                ME.stack(1).name, ME.stack(1).line, ME.message);
                        end
                    end
                end

            end