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JSP reads and writes XML files

Source: Internet
Author: User
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<% @ Page contenttype = "text/html; charset = UTF-8" %>
<% @ Page import = "Java. io. *, Java. util. *, Com. hexun. WAP. zgpack. *, org. JDOM. *, org. JDOM. input. *, org. JDOM. output. *; "%>
<HTML>
<Head>
<Title> basic news page </title>
<Style type = "text/CSS"> <! -- TD {font-size: 12px} --> </style>
</Head>
<Body>
<%
String T = request. getparameter ("T ")! = NULL? Request. getparameter ("T "):"";
String S = request. getparameter ("S ")! = NULL? Request. getparameter ("S "):"";
String d = request. getparameter ("detail ")! = NULL? Request. getparameter ("detail "):"";
String Delete = request. getparameter ("delete ")! = NULL? Request. getparameter ("delete "):"";
String id = request. getparameter ("ID ")! = NULL? Request. getparameter ("ID "):"";
Saxbuilder sb = new saxbuilder ();
String indent = "";
Boolean newlines = true;
Xmloutputter outp = new xmloutputter (indent, newlines, "gb2312 ");
String flag = request. getparameter ("flag ")! = NULL? Request. getparameter ("flag"): "false ";
If (flag. Equals ("true "))
{
Byte [] B = T. getbytes ("iso8859-1 ");
String Ti = new string (B, "UTF-8 ");
Byte [] b2 = S. getbytes ("iso8859-1 ");
String Si = new string (B2, "UTF-8 ");
Byte [] B3 = D. getbytes ("iso8859-1 ");
String di = new string (B3, "UTF-8 ");
Try
{
Document Doc = sb. Build (New fileinputstream ("/usr/local/stockdata/basic. xml "));
Element root = Doc. getrootelement ();
List list = root. getchildren ();
Element article = new element ("message ");
Article. setattribute ("ID", (list. Size () + 10001) + "");
Article. addcontent (new element ("title"). settext (Ti ));
Article. addcontent (new element ("content"). settext (DI ));
Article. addcontent (new element ("time"). settext (SI ));
Doc. getrootelement (). addcontent (Article );
Outp. Output (Doc, new fileoutputstream ("/usr/local/stockdata/basic. xml "));
}
Catch (exception E)
{
E. printstacktrace ();
}
S = "";
D = "";
T = "";
}
If (delete. Equals ("true "))
{
New xmlfile (). removecontent ("/usr/local/stockdata/basic. xml", integer. parseint (ID ));
}
%>
<Form action = "operbasic. jsp" method = "Post">
<Table width = 80% border = 0 bgcolor = # ffe4c4 cellspacing = 1 cellpadding = 1 align = center>
<Tr> <TD colspan = 2> Add basic news: </TD> </tr>
<Tr>
<TD> title: </TD> <input type = "text" name = "T" value = "<% = T %>" maxlength = "60" format = "* n" style = "border-width: 1; border-color: black; border-style: solid; "/> </TD> </tr>
<Tr> <TD> time/author: </TD> <input type = "text" name = "S" value = "<% = S %>" maxlength = "20" format = "* n" style = "border-width: 1; border-color: black; border-style: solid; "/> </TD> </tr>
<Tr> <TD> content: </TD> <textarea name = "detail" rows = "10" Cols = "66" style = "border-width: 1; border-color: black; border-style: solid; "> </textarea> <br/>
</TD>
<Tr> <TD colspan = 2 align = center> <input type = "Submit" name = "Submit" value = "add"/> </TD>
<Input type = "hidden" name = "flag" value = "true" maxlength = "20" format = "* n"/>
</Tr>
</Table>
</Form>
<Table width = 80% border = 0 bgcolor = 000000 cellspacing = 1 cellpadding = 1 align = center> <tr> <TD bgcolor = ff7dff> id </TD> <TD bgcolor = ff7dff> title </TD> <TD bgcolor = ff7dff> content </TD> <TD bgcolor = ff7dff> time/author </TD> <TD bgcolor = ff7dff> Delete </TD> </tr>
<%
Try
{
Document Doc = sb. Build (New fileinputstream ("/usr/local/stockdata/basic. xml "));
Element root = Doc. getrootelement ();
List list = root. getchildren ();
Out. println ("all:" + list. Size ());
For (INT I = 0; I <list. Size (); I ++)
{
Element item = (element) list. Get (I );
String name = item. getattribute ("ID"). getvalue ();
Out. println ("<tr> <TD width = 5% Height = 30 align = left bgcolor = ff7d00>" + name + "</TD> ");
Element sub = item. getchild ("title ");
String text = sub. gettext ();
Out. println ("<TD width = 10% Height = 30 align = left bgcolor = ff7d00>" + TEXT + "</TD> ");
Element sub2 = item. getchild ("content ");
String text2 = sub2.gettext ();
Out. println ("<TD width = 50% align = left bgcolor = ff7d00>" + text2 + "</TD> ");
Element sub3 = item. getchild ("time ");
String text3 = sub3.gettext ();
Out. println ("<TD width = 10% align = left bgcolor = ff7d00>" + text3 + "</TD> ");
Out. println ("<TD width = 5% align = left bgcolor = ff7d00> <a href = operbasic. jsp? Delete = true & id = "+ I +" onclick =/"{If (confirm (" + "'Are you sure? '"+") {Return true;} return false;}/"> Delete </a> </TD> ");
// Out. println ("<TD width = 5% align = left bgcolor = ff7d00> <a href = operbasic. jsp? Delete = true & id = "+ I +"> Delete </a> </TD> ");
Out. println ("</tr> ");
}
}
Catch (exception E)
{
E. printstacktrace ();
}

%>
</Table>
<Br/>
</Body>
</Html>
 

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