struts开发实践—读写xml实例(下)
继续代码实例：
/************PrintReadAction.java代码Begin****************************/
package test;
import org.apache.struts.action.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import java.io.IOException;
/**
* 读取print.xml的字段信息，供选择
*/
public class PrintReadAction extends Action {
public ActionForward perform(ActionMapping mapping,ActionForm form,
HttpServletRequest request,HttpServletResponse response)
throws IOException,ServletException {
ActionErrors errors = new ActionErrors();
String[] ifPrint=null;
String path=request.getRealPath("/")+"/WEB-INF/print.xml";
try {
ReadWritePrintXML readwrite=new ReadWritePrintXML();
Collection colField = readwrite.readXMLFile(path);
request.setAttribute(BeanNames.TABLEFIELD_LIST, colField);
return mapping.findForward("success");
}
catch (Throwable e) {
e.printStackTrace();
ActionError error = new ActionError(e.getMessage());
errors.add(ActionErrors.GLOBAL_ERROR, error);
}
saveErrors(request,errors);
return new ActionForward(mapping.getInput());
}
}
/************PrintReadAction.java代码End******************************/
/************PrintSetAction.java代码Begin*****************************/
package test;
import org.apache.struts.action.*;
import javax.servlet.http.*;
import javax.servlet.*;
import java.io.*;
import java.util.*;
/**
* 打印字段设置回写print.xml文件
*/
public class PrintSetAction extends Action {
public ActionForward perform(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException{
ActionErrors errors = new ActionErrors();
String[] multiSelect=request.getParameterValues("multiSelect");
ArrayList colField=null;
String path=request.getRealPath("/")+"/WEB-INF/print.xml";
try{
ReadWritePrintXML readwrite = new ReadWritePrintXML();
readwrite.initialXMLFile(path);
readwrite.writeXMLFile(multiSelect,path);
return null;
}
catch (Throwable e) {
e.printStackTrace();
ActionError error = new ActionError(e.getMessage());
errors.add(ActionErrors.GLOBAL_ERROR, error);
}
saveErrors(request, errors);
return new ActionForward(mapping.getInput());
}
}
/****************PrintSetAction.java代码End******************************/
