Question

 vvar readline = require('readline');
 var et = require('elementtree');
 var XML = et.XML;
 var ElementTree = et.ElementTree;
 var element = et.Element;
 var subElement = et.SubElement;
 var fs = require('fs');
 var root;

 var rl = readline.createInterface
   ({
      input: process.stdin,
      output: process.stdout
    });

 function createXML(root)
  {
    var etree = new ElementTree(root);
    rl.question('\nEnter file name to create xml: \n', function (f){
    var xml = etree.write({'xml_declaration': false});
    console.log(xml);
    var newfile = fs.writeFileSync(f,xml);
    console.log("\nXML file created..!!\n");
   });
 }  

 function runElement(subroot,num1){
    if(num1 > 0)
    {
    rl.question('\nEnter element name: \n', function(name1){
        rl.question('\nEnter element data: \n', function (data)
                {
            var subroot2 = subElement(subroot, name1);
            subroot2.text = data;
            num1 = num1 - 1;
            runElement(subroot,num1);
                });
    });
     }
   else
   {
    createXML(root);
   }
  }

function getSubRootElements(root, numItem)
{
if(numItem > 0){
    rl.question('\nEnter sub root element name: \n', function (name){
        var subroot = subElement(root,name);
        rl.question('\nEnter the number of elements: \n',  function(num1){
            runElement(subroot,num1);
        });
    });
    }
   }

 function start() 
{
      rl.question('\nEnter root element: \n', function(x){
        root = element(x);
        rl.question('\nEnter the number of sub root elements: \n', function(numItem){
        getSubRootElements(root, numItem);
    });
   });
   } 

 start();

上面是用于在节点js中创建xml的代码。我试图创建多个子根和元素，但我没有得到我被卡住的地方。我从控制台给出输入，因此无法在循环中编写函数。应该这样做吗？

Answer 1

试试这个：

var readline = require('readline');
var et = require('elementtree');
var XML = et.XML;
var ElementTree = et.ElementTree;
var element = et.Element;
var subElement = et.SubElement;
var fs = require('fs');
var root;

var rl = readline.createInterface
({
  input: process.stdin,
  output: process.stdout
});

function createXML(root)
{
  var etree = new ElementTree(root);
  rl.question('\nEnter file name to create xml: \n', function (f){
  var xml = etree.write({'xml_declaration': false});
  console.log(xml);
  var newfile = fs.writeFileSync(f,xml);
  console.log("\nXML file created..!!\n");
 });
}  

function getElements(root, subRoot, numSubRoot, numElements)
{
  if(numElements > 0)
  {
    rl.question('\nEnter element name: \n', function(name1)
    {
      rl.question('\nEnter element data: \n', function (data)
      {
        var subroot2 = subElement(subRoot, name1);
        subroot2.text = data;
        numElements = numElements - 1;
        getElements(root, subRoot, numSubRoot, numElements);
      });
    });
  }
  else
  {
    //get the next subroot element
    getSubRootElements(root, numSubRoot)
  }
}

function getSubRootElements(root, numSubRoot)
{
  if(numSubRoot > 0)
  {
    rl.question('\nEnter sub root element name: \n', function (SubRootName)
    {
      var subRoot = subElement(root, SubRootName);
      rl.question('\nEnter the number of elements: \n',  function(numElements)
      {
        numSubRoot = numSubRoot - 1;
        getElements(root, subRoot, numSubRoot, numElements);
      });
    });
  }
  else
  {
    createXML(root);
  }
}

function start() 
{
  rl.question('\nEnter root element: \n', function(x)
  {
    root = element(x);
    rl.question('\nEnter the number of sub root elements: \n', function(numSubRoot)
    {
      getSubRootElements(root, numSubRoot);
    });
  });
} 

start();

如何动态地使用节点js创建xml文件？

1 个答案: