創建CSS我有一個包含許多內容的HTML文件:從HTML文件
<div>
<div id="imgElt11289447233738dIi15v" style="BORDER-RIGHT: 0px; BORDER-TOP: 0px; Z-INDEX: 1; LEFT: 795px; BORDER-LEFT: 0px; WIDTH: 90px; CURSOR: auto; BORDER-BOTTOM: 0px; POSITION: absolute; TOP: 186px; HEIGHT: 93px" lineid="lineid" y2="279" y1="186" x2="885" x1="795">
<img style="WIDTH: 90px; HEIGHT: 93px" height="21" alt="Image" src="../images//k03.jpg" width="25" name="imgElt11289447233738dIi15vNI1m6G" tag="img"></img></div>
<div id="imgElt11288263284216dIi15v" style="BORDER-RIGHT: 0px; BORDER-TOP: 0px; Z-INDEX: 1; LEFT: 660px; BORDER-LEFT: 0px; WIDTH: 147px; CURSOR: auto; BORDER-BOTTOM: 0px; POSITION: absolute; TOP: 1964px; HEIGHT: 22px" lineid="lineid" y2="1986" y1="1964" x2="807" x1="660">
<img style="WIDTH: 147px; HEIGHT: 22px" height="21" alt="Image" src="../images//k03.jpg" width="25" name="imgElt11288263284216dIi15vNI1m6G" tag="img"></img></div>
<div id="txtElt11288262779851dIi15v" style="BORDER-RIGHT: 0px; BORDER-TOP: 0px; Z-INDEX: 2872735; LEFT: 250px; BORDER-LEFT: 0px; WIDTH: 95px; CURSOR: auto; BORDER-BOTTOM: 0px; POSITION: absolute; TOP: 1514px; HEIGHT: 18px" selectedindex="0" pos_rel="false" lineid="lineid" y2="1532" y1="1514" x2="345" x1="250" tag="div">
<p><strong><font face="arial,helvetica,sans-serif" size="2">Course Name</font></strong></p>
</div>
<div id="txtElt11288262309675dIi15v" style="BORDER-RIGHT: 0px; BORDER-TOP: 0px; Z-INDEX: 1565881; LEFT: 40px; BORDER-LEFT: 0px; WIDTH: 430px; CURSOR: auto; BORDER-BOTTOM: 0px; POSITION: absolute; TOP: 1464px; HEIGHT: 34px" selectedindex="0" pos_rel="false" lineid="lineid" y2="1498" y1="1464" x2="470" x1="40" tag="div">
<p><strong>
<font face="arial,helvetica,sans-serif" size="2" tag="font">16. Please
write below the Course Name in order of preference.</font></strong></p>
<p tag="p"><strong><font face="Arial" size="2" tag="font"> (Please
see the "Instructions to Candidate" for list of courses)</font></strong></p>
</div>
</div>
可以看出,1個格中有很多的div。現在我想創建一個包含這個html頁面所有樣式的css文件(不一定是相同的)。必須用java代碼寫東西。我有這個文件的DOM對象可用於我。
基本上,我想從這裏帶走所有的風格和喜歡下id爲DIV一個CSS文件將被保留= imgElt11289447233738dIi15v CSS將是:
#imgElt11289447233738dIi15v{BORDER-RIGHT: 0px; BORDER-TOP: 0px; Z-INDEX: 1; LEFT: 795px; BORDER-LEFT: 0px; WIDTH: 90px; CURSOR: auto; BORDER-BOTTOM: 0px; POSITION: absolute; TOP: 186px; HEIGHT: 93px}
我不直到這部分但是因爲我不知道元素的層次結構會有多少層次,所以還有什麼辦法可以對所有的子元素進行相同的操作?
我用下面的代碼
public static Document getStyleInCSSfile(Document aoDoc, String aoPathToWrite, String aoFileName) throws ApplicationException {
String loValue = null;
String loID = null;
String lsContent = "";
Element loRoot = aoDoc.getRootElement();
List loTempElementList = loRoot.getChildren();
int liCounter;
for (liCounter = 0; liCounter < loTempElementList.size(); liCounter++) {
Element loTemplateEle = (Element) loTempElementList.get(liCounter);
String loId=loTemplateEle.getAttribute("id").getValue();
loID = loTemplateEle.getAttributeValue("id");
if(null != loID)
{
loValue = loTemplateEle.getAttributeValue("style");
if(loValue!=null && loValue.trim().length()>0)
{
loTemplateEle.removeAttribute("style");
lsContent = lsContent.concat("#"+loID+"{"+loValue+"}\n");
}
}
}
SaveFormOnLocalUtil.writeToFile(aoPathToWrite,aoFileName,lsContent);
return aoDoc;
}
編輯:認識了一些正則表達式可以通過獲取SAX解析器對象的字符串,並使用它的正則表達式...任何想法幫助嗎?任何人?如何實現它
我用SAX解析器讀取DOM。但無法找到如何遍歷將被創建的樹結構的每個元素 – Varun 2010-12-20 08:41:09
完成使用SAX解析器創建了基於需求的遞歸函數:) – Varun 2010-12-20 18:16:49