struts开发实践—读写xml实例(下)

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******************************/