public boolean read(String strRoute, String strElement, int flag) {
//SAXBuilder builder=new SAXBuilder();
strText = null;
try {
String[] route = new String[4];
String str = null;
Document doc = builder.build(xmlFileName);
Element root = doc.getRootElement();
Element element = root;
//创建一个拆分字符串内容的对象,每次返回一项
StringTokenizer st = new StringTokenizer(strRoute, ":");
str = st.nextToken();
while (st.hasMoreTokens()) {
str = st.nextToken();
element = element.getChild(str);
}
//mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,str);
element = (Element) element.getParent();
/*
* while(flag!=1) { if(element.removeChild(str))
* mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"deleted "+str);
* else mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"not
* deleted");
*
* flag--; }
*/
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,element.getName());
strText = element.getChild(str).getChild(strElement).getText();
} catch (JDOMException jdome) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, xmlFileName
+ " is not well-formed");
} catch (IOException ioe) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, ioe);
} catch (NullPointerException nullpe) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, "not founded"
+ "\n" + nullpe);
} catch (Exception e) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, "read no succeed"
+ "\n" + e);
}
if (strText == null) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, "not founded");
return false;
} else {
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"strText="+strText);
return true;
}
}
/**
* Indicates the end of an element (<code></[element name]></code>) is reached. Note that
* the parser does not distinguish between empty elements and non-empty elements, so this will
* occur uniformly.
*
* @param namespaceURI <code>String</code> URI of namespace this element is associated with
* @param localName <code>String</code> name of element without prefix
* @param qName <code>String</code> name of element in XML 1.0 form
* @throws SAXException when things go wrong
*/
public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
if (suppress) return;
flushCharacters();
if (!atRoot) {
Parent p = currentElement.getParent();
if (p instanceof Document) {
atRoot = true;
} else {
currentElement = (Element) p;
}
} else {
throw new SAXException("Ill-formed XML document (missing opening tag for " + localName + ")");
}
}
/**
* 新增循环节点
* @param cycNode 循环节点
* @return
*/
public Element addCycNode(Element cycNode)
{
Element node=cycNode;
Element child=null;
Element newNode=null;
Element tmpNode=null;
String sName="";
if(cycNode==null)
return newNode;
newNode=new Element(node.getName());
node.getParent().addContent(newNode);
List cList=node.getChildren();
for(int i=0;i<cList.size();i++)
{
child=(Element)cList.get(i);
sName=child.getName();
sName=sName.trim();
tmpNode=new Element(sName);
newNode.addContent(tmpNode);
}
return newNode;
}
//改写XML文件的某一元素的值
//strRoute为XML文件从根元素开始到该元素的父元素的路径
//strElement为需要读取的元素
//flag为当XML含有多个同名元素时，需要改写元素所处的序号
public void write(String strRoute, String strElement, String strSet,
int flag) {
//SAXBuilder builder=new SAXBuilder();
try {
String str = null;
Document doc = builder.build(xmlFileName);
Element root = doc.getRootElement();
Element element = root;
StringTokenizer st = new StringTokenizer(strRoute, ":");
str = st.nextToken();
while (st.hasMoreTokens()) {
str = st.nextToken();
//mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,str);
element = element.getChild(str);
}
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"test :"+str);
element = (Element) element.getParent();
//若需要改写的不是XML文件的第一个同名元素，则获取该元素
//方法为:将之前的元素依次移到后面，需要改写的元素前移至第一个
/*
* if(flag>1) { int j=flag; while(j!=1) {
*
* Element tmp=element.getChild(str);
* element.addContent(tmp.detach()); j--; } }
*/
element = element.getChild(str).getChild(strElement);
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"gettxt
// "+element.getText());
element.setText(strSet);
//若需要改写的不是XML文件的第一个同名元素
//上面改变了次序，需要在成功改写后恢复原有次序
/*
* if(flag!=1) {
*
* java.util.List children=element.getChildren(); Iterator
* iterator=children.iterator(); int count=0;
* while(iterator.hasNext()) { Element
* child=(Element)iterator.next(); count++; }
*
* System.out.println("count"+count);
*
* k=(count+1-flag)%count;
*
* while(k!=0) { Element tmp=element.getChild(str);
* element.addContent(tmp.detach()); k--; } }
*
*/
XMLOutputter outputter = new XMLOutputter("", false, "GB2312");
PrintWriter out = new PrintWriter(new BufferedWriter(
new FileWriter(xmlFileName)));
Document myDocument = root.getDocument();
outputter.output(myDocument, out);
out.close();
} catch (JDOMException jdome) {
jdome.printStackTrace();
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, xmlFileName
// + " is not well-formed\n");
} catch (IOException ioe) {
ioe.printStackTrace();
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, ioe);
} catch (Exception e) {
e.printStackTrace();
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,
// "write not succeed\n");
}
}