struts+hibernate结构的分页组件(一) 广东精鹰软件工作室(刘正仁)

来源：互联网发布：程序员未来前景如何编辑：程序博客网时间：2024/05/04 21:21

我贴一下源代码吧.

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<servlet>
    <servlet-name>action</servlet-name>
    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>

    <load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>

</web-app>

struts-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>

<action-mappings>
     <action path="/pageTest" type="com.gdcn.frame.TestAction">
      <forward name="page111" path="/bb.jsp" />
    </action>
</action-mappings>

<controller contentType="text/html;charset=utf-8" locale="true" processorClass="com.gdcn.frame.MainRequestProcessor" />

<message-resources parameter="com.gdcn.frame.frame" />
</struts-config>

public.js (只用到了一部分)

function next_focus(text)
{
if(window.event.keyCode ==13)
{
window.event.keyCode=9;
}
}

function mouseovertd (o)
{
o.style.color='#ffffff';
o.style.backgroundColor='#B3B3B3';

}
function mouseouttd (o)
{
o.style.color='#000000';
o.style.backgroundColor='';

}

pageMethod="pageMethod="+flag+"&currentPage="+currPage;
formAction=formAction+"?"+pageMethod;
formObj.action=formAction;

formObj.submit();
}
function submitForm(formId)
{
editModel_fireeagle=false
var objForm =document.all(formId);
   if(Validator.Validate(objForm,2))
   {
    top.bottom.document.all("process").innerHTML="<img name='pro' src='"+baseURL+"/images/public/process.gif' border='0'>"
    objForm.submit();
   }
}

function submitFormQuery(formId)
{

var objForm =document.all(formId);
objForm.is_QUERY.value="YES"
top.bottom.document.all("process").innerHTML="<img name='pro' src='"+baseURL+"/images/public/process.gif' border='0'>"
objForm.submit();

}

function buttomOnClick(url,target)
{
   top.bottom.document.all("process").innerHTML="<img name='pro' src='"+baseURL+"/images/public/process.gif' border='0'>"
if(target=='parent')
   {
    parent.location.href=url
   }else if(target=='self')
   {
      location.href=url
   }
}

function changeEditModel()
{
editModel_fireeagle=true
}

function isClose()
{
if(editModel_fireeagle)
{
top.bottom.document.all("process").innerHTML="<img name='pro' src='"+baseURL+"/images/public/prosessEnd.gif' border='0'>"
return exitPro
}
}

//<input type=text name=test value="" onKeypress="JHshNumberText()">
function JHshNumberText()
{
if ( !(((window.event.keyCode >= 48) && (window.event.keyCode <= 57))
|| (window.event.keyCode == 13) || (window.event.keyCode == 46)
|| (window.event.keyCode == 45)))
{
window.event.keyCode = 0 ;
}
}

document.onkeydown = openHelp
function openHelp()
{
if(window.event.keyCode==113)
        {
          if(top.main.document.title.indexOf("HELP")>=0)
          {
            showModalDialog(baseURL+"/frame/help/"+top.main.document.title);
          }
        }

}

DispartPage.java (taglib类)

package com.gdcn.frame;

import java.io.IOException;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.BodyTagSupport;

import org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager;

public class DispartPage extends BodyTagSupport{
private String formId;   //表单id
private String formAction;//处理表单的action
private String formTarget="_self";//表单出现的窗口,默认为自己窗口里
private String formMethod="post";//提交表单的方法,默认为post
private String pageNumId;       //用户输入的页面数控件的id
private int cols;               //这个标签要放入table中,他生成一个tr,但里面只有一个td,
//cols表示这个td要占的列
//private Object pagerObject = null; //页面对象
/*
public Object getPagerObject() {
         return pagerObject;
     }

     public void setPagerObject(Object value) throws JspException {
         this.pagerObject = ExpressionEvaluatorManager.evaluate("pagerObject",
                 value.toString(), Object.class, this, pageContext);
     }
     */
public String getFormAction() {
  return formAction;
}
public void setFormAction(String formAction) {
  this.formAction = formAction;
}
public String getFormId() {
  return formId;
}
public void setFormId(String formId) {
  this.formId = formId;
}
public String getFormMethod() {
  return formMethod;
}
public void setFormMethod(String formMethod) {
  this.formMethod = formMethod;
}
public String getFormTarget() {
  return formTarget;
}
public void setFormTarget(String formTarget) {
  this.formTarget = formTarget;
}
public String getPageNumId() {
  return pageNumId;
}
public void setPageNumId(String pageNumId) {
  this.pageNumId = pageNumId;
}

public int doStartTag() {

return EVAL_BODY_INCLUDE;
}

   public int doEndTag() throws JspException {
    //Pager pager = (Pager)this.getPagerObject();
    Pager pager = (Pager)pageContext.getRequest().getAttribute("pager");
    JspWriter out = pageContext.getOut();
          StringBuffer buf = new StringBuffer();
          buf.append("<tr class='ListTableRow' >");
          buf.append("<td colspan='"+cols+"' >");
          String disabled="";
         if(pager.getTotalPages()==1||pager.getCurrentPage()==1)
             disabled=" disabled='true'";
          buf.append("<input type='button' name='Submit' value='第一页'"+disabled+" class='Button3' onClick=goPage('first',"+pager.getCurrentPage()+",'"+formId+"','"+formAction+"','"+formTarget+"','"+formMethod+"','"+pageNumId+"')>");
           disabled=" disabled='true' ";
          if(pager.getTotalPages()>1&&pager.getCurrentPage()!=1)
             disabled="";
          buf.append("<input type='button' name='Submit' value='上一页'"+disabled+" class='Button3' onClick=goPage('previous',"+pager.getCurrentPage()+",'"+formId+"','"+formAction+"','"+formTarget+"','"+formMethod+"','"+pageNumId+"')>");
            disabled=" disabled='true'";
          if(pager.getCurrentPage()<pager.getTotalPages())
               disabled="";
          buf.append("<input type='button' name='Submit' value='下一页'" +disabled+"class='Button3' onClick=goPage('next',"+pager.getCurrentPage()+",'"+formId+"','"+formAction+"','"+formTarget+"','"+formMethod+"','"+pageNumId+"')>");
           disabled=" disabled='true'";
          if(pager.getCurrentPage()!=pager.getTotalPages()&&pager.getTotalPages()!=1)
               disabled="";
          buf.append("<input type='button' name='Submit' value='最后一页'" +disabled+ " class='Button3' onClick=goPage('last',"+pager.getCurrentPage()+",'"+formId+"','"+formAction+"','"+formTarget+"','"+formMethod+"','"+pageNumId+"')>");
          buf.append("共<font color='#0000FF'>"+pager.getTotalRows()+"</font>条记录，每页<font color='#0000FF'>"+pager.getPageSize()+"</font>条，分为<font color='#0000FF'>"+pager.getTotalPages()+"</font>页，到");
           disabled=" disabled='true'";
          if(pager.getTotalPages()!=1)
               disabled="";
          buf.append("<input type='text' name='"+pageNumId+"' "+disabled+" size='4' id='"+pageNumId+"' value='"+pager.getCurrentPage()+"' class='formStyleall'>页");
           disabled=" disabled='true'";
           if(pager.getTotalPages()!=1)
               disabled="";
          buf.append("<input type='button' name='Submit' value='跳转'"+disabled+" class='Button3' onClick=goPage('go',"+pager.getCurrentPage()+",'"+formId+"','"+formAction+"','"+formTarget+"','"+formMethod+"','"+pageNumId+"')>");
          buf.append("</td>");
          buf.append("</tr>");
          try {
                              out.println(buf.toString());
                      } catch (IOException e) {
                              e.printStackTrace();
                      }

return EVAL_PAGE;
}

public void release() {
super.release();

}

public int getCols() {
return cols;
}
public void setCols(int cols) {
this.cols = cols;
}

}

gdcn.tld

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
<taglib>
<tlibversion>1.0</tlibversion>
<jspversion>1.1</jspversion>
<shortname>FireEagle Application Tag Library</shortname>
<uri>http://</uri>
<info>广东精鹰软件工作室自定义标签库 author:刘正仁</info>
<tag>
    <name>dispartPage</name>
    <tagclass>com.gdcn.frame.DispartPage</tagclass>
    <bodycontent>empty</bodycontent>
    <info>分页标签</info>

     <attribute>
      <name>formId</name>
      <required>true</required>
      <rtexprvalue>false</rtexprvalue>
    </attribute>

    <attribute>
      <name>formAction</name>
      <required>true</required>
      <rtexprvalue>true</rtexprvalue>
    </attribute>

    <attribute>
      <name>formTarget</name>
      <required>false</required>
      <rtexprvalue>false</rtexprvalue>
    </attribute>

     <attribute>
      <name>formMethod</name>
      <required>false</required>
      <rtexprvalue>false</rtexprvalue>
    </attribute>

    <attribute>
      <name>pageNumId</name>
      <required>true</required>
      <rtexprvalue>false</rtexprvalue>
    </attribute>