struts-jquery-grid-tags 学习笔记

java 代码：

 

 

package com.topdt.message.web.action;

 

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import java.util.Map;

 

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.apache.struts2.convention.annotation.Action;

import org.apache.struts2.convention.annotation.Namespace;

import org.apache.struts2.convention.annotation.ParentPackage;

import org.apache.struts2.convention.annotation.Result;

import org.apache.struts2.interceptor.SessionAware;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Scope;

import org.springframework.stereotype.Controller;

 

import com.opensymphony.xwork2.ActionSupport;

import com.topdt.message.entity.Business;

import com.topdt.message.service.BusinessManager;

 

@Controller

@Scope("prototype")

@ParentPackage(value = "gloab-package")

@Namespace(value = "/message")

@Action(value = "business", results = {

@Result(name="query",type="json"),

@Result(name="show",location="/message/business/business_list.jsp")

})

public class BusinessAction extends ActionSupport implements SessionAware {

 

private static final long serialVersionUID = 1L;

 

private static final Log log = LogFactory.getLog(BusinessAction.class);

private List<Business> gridModel;

private Integer rows;

private Integer page;

private String sord;

private String sidx;

private String searchField;

private String searchString;

private Integer totalrows;

private String searchOper;

private Integer total;

private Integer records;

private boolean loadonce;

private List<Business> myCustomers;

@Autowired

private BusinessManager businessManager;

public BusinessAction() {

this.rows = Integer.valueOf(0);

 

this.page = Integer.valueOf(0);

 

this.total = Integer.valueOf(0);

 

this.records = Integer.valueOf(0);

 

this.loadonce = false;

}

public String show() {

return "show";

}

 

public String query() {

this.myCustomers = businessManager.query();

if ((this.sord != null) && (this.sord.equalsIgnoreCase("asc"))) {

Collections.sort(this.myCustomers);

}

if ((this.sord != null) && (this.sord.equalsIgnoreCase("desc"))) {

Collections.sort(this.myCustomers);

Collections.reverse(this.myCustomers);

}

 

this.records = businessManager.getCustomersCount(this.myCustomers);

 

if (this.totalrows != null) {

this.records = this.totalrows;

}

 

int to = this.rows.intValue() * this.page.intValue();

 

int from = to - this.rows.intValue();

 

if (to > this.records.intValue())

to = this.records.intValue();

 

if (this.loadonce) {

if ((this.totalrows != null) && (this.totalrows.intValue() > 0)) {

setGridModel(this.myCustomers.subList(0, this.totalrows

.intValue()));

} else {

setGridModel(this.myCustomers);

}

 

} else if ((this.searchString != null) && (this.searchOper != null)) {

Long id = new Long(this.searchString);

if (this.searchOper.equalsIgnoreCase("eq")) {

log.debug("search id equals " + id);

List cList = new ArrayList();

Business business = businessManager.findById(this.myCustomers, id);

if (business != null)

cList.add(business);

 

setGridModel(cList);

} else if (this.searchOper.equalsIgnoreCase("ne")) {

log.debug("search id not " + id);

setGridModel(businessManager.findNotById(this.myCustomers, id, from, to));

} else if (this.searchOper.equalsIgnoreCase("lt")) {

log.debug("search id lesser then " + id);

setGridModel(businessManager.findLesserAsId(this.myCustomers, id, from, to));

} else if (this.searchOper.equalsIgnoreCase("gt")) {

log.debug("search id greater then " + id);

setGridModel(businessManager.findGreaterAsId(this.myCustomers, id, from, to));

}

} else {

setGridModel(businessManager.getCustomers(this.myCustomers, from, to));

}

 

this.total = Integer.valueOf((int) Math.ceil(this.records.intValue()

/ this.rows.intValue()));

return "query";

}

 

public String getJSON() {

return query();

}

 

public Integer getRows() {

return this.rows;

}

 

public void setRows(Integer rows) {

this.rows = rows;

}

 

public Integer getPage() {

return this.page;

}

 

public void setPage(Integer page) {

this.page = page;

}

 

public Integer getTotal() {

return this.total;

}

 

public void setTotal(Integer total) {

this.total = total;

}

 

public Integer getRecords() {

return this.records;

}

 

public void setRecords(Integer records) {

this.records = records;

 

if ((this.records.intValue() > 0) && (this.rows.intValue() > 0)) {

this.total = Integer.valueOf((int) Math.ceil(this.records

.intValue()

/ this.rows.intValue()));

} else {

this.total = Integer.valueOf(0);

}

}

 

public List<Business> getGridModel() {

return this.gridModel;

}

 

public void setGridModel(List<Business> gridModel) {

this.gridModel = gridModel;

}

 

public String getSord() {

return this.sord;

}

 

public void setSord(String sord) {

this.sord = sord;

}

 

public String getSidx() {

return this.sidx;

}

 

public void setSidx(String sidx) {

this.sidx = sidx;

}

 

public void setSearchField(String searchField) {

this.searchField = searchField;

}

 

public void setSearchString(String searchString) {

this.searchString = searchString;

}

 

public void setSearchOper(String searchOper) {

this.searchOper = searchOper;

}

 

public void setLoadonce(boolean loadonce) {

this.loadonce = loadonce;

}

 

public void setTotalrows(Integer totalrows) {

this.totalrows = totalrows;

}

public void setSession(Map<String, Object> session) {

}

}

 

 

 

package com.topdt.message.service;

 

import java.util.ArrayList;

import java.util.Hashtable;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

 

 

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

 

import com.topdt.message.dao.BusinessDao;

import com.topdt.message.entity.Business;

import com.topdt.message.entity.Product;

 

 

@Service

@Transactional(readOnly = false)

public class BusinessManager {

private static Map<Long, Product> MAP_ID = new Hashtable<Long, Product>();

private static Map<String, Product> MAP_CODE = new Hashtable<String, Product>();

@Autowired

private BusinessDao businessDao;

@Transactional(readOnly = true)

public List<Business> query() {

return  businessDao.queryAll();

}

public static List<Business> getCustomers(List<Business> list,

int from, int to) {

return list.subList(from, to);

}

 

public static Business findById(List<Business> list, Long id) {

for (Iterator i$ = list.iterator(); i$.hasNext();) {

Business business = (Business) i$.next();

if (business.getBusinessId()== id)

return business;

}

return null;

}

 

public static List<Business> findNotById(List<Business> list, Long id,

int from, int to) {

List sResult = new ArrayList();

 

for (Iterator i$ = list.iterator(); i$.hasNext();) {

Business Business = (Business) i$.next();

 

if (Business.getBusinessId() != id)

sResult.add(Business);

}

 

return sResult.subList(from, to);

}

 

public static List<Business> findGreaterAsId(List<Business> list,

Long id, int from, int to) {

List sResult = new ArrayList();

 

for (Iterator i$ = list.iterator(); i$.hasNext();) {

Business Business = (Business) i$.next();

 

if (Business.getBusinessId() > id)

sResult.add(Business);

}

 

return sResult.subList(from, to);

}

 

public static List<Business> findLesserAsId(List<Business> list,

Long id, int from, int to) {

List sResult = new ArrayList();

 

for (Iterator i$ = list.iterator(); i$.hasNext();) {

Business Business = (Business) i$.next();

if (Business.getBusinessId() < id)

sResult.add(Business);

}

 

return sResult.subList(from, to);

}

 

public static Integer getCustomersCount(List<Business> list) {

return Integer.valueOf(list.size());

}

 

public BusinessDao getBusinessDao() {

return businessDao;

}

 

public void setBusinessDao(BusinessDao businessDao) {

this.businessDao = businessDao;

}

}

html代码：

<%@ page contentType="text/html;charset=UTF-8" %>

<%@ taglib prefix="s" uri="/struts-tags"%>

<%@ taglib prefix="sj" uri="/struts-jquery-tags"%>

<%@ taglib prefix="sjg" uri="/struts-jquery-grid-tags"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<title>业务列表</title>

<!-- no cache headers -->

<meta http-equiv="Pragma" content="no-cache" />

<meta http-equiv="no-cache" />

<meta http-equiv="Expires" content="-1" />

<meta http-equiv="Cache-Control" content="no-cache" />

<!-- end no cache headers -->

<sj:head locale="zh-CN" />

</head>

<body style="margin:10px;padding:0px;">

    <s:url id="editurl" action="business!query"/>

    <s:url id="busGrid" action="business!query"/>

    <sjg:grid

    id="busTable"

    caption="业务列表"

    dataType="json"

    href="%{busGrid}"

    pager="true"

    navigator="true"

    navigatorSearchOptions="{sopt:['eq','ne','lt','gt']}"

    navigatorAddOptions="{height:280,reloadAfterSubmit:true}"

    navigatorEditOptions="{height:280,reloadAfterSubmit:false}"

    navigatorEdit="false"

    navigatorView="false"

    navigatorDelete="true"

    navigatorDeleteOptions="{height:280,reloadAfterSubmit:true}"

    navigatorExtraButtons="{

    seperator: { 

    title : 'seperator'  

    }, 

    hide : { 

    title : 'Show/Hide', 

    icon: 'ui-icon-wrench', 

    topic: 'showcolumns'

    },

    alert : { 

    title : 'Alert', 

    onclick: function(){ alert('Grid Button clicked!') }

    }

    }"

    gridModel="gridModel"

    rowList="10,15,20"

    rowNum="15"

    editurl="%{editurl}"

    editinline="true"

    onSelectRowTopics="rowselect"

    onEditInlineSuccessTopics="oneditsuccess"

    viewrecords="true"

    >

    <sjg:gridColumn width="40"name="businessId" index="businessId" align="right" title="业务ID" formatter="integer" sortable="false"/>

    <sjg:gridColumn width="100"name="businessName" index="businessName"  title="业务名称" sortable="false"/>

    <sjg:gridColumn width="100"name="shortName" index="shortName" title="业务简称" sortable="false"/>

    <sjg:gridColumn width="100"name="businessCatalog" index="businessCatalog" title="业务分类" sortable="false"/>

    <sjg:gridColumn width="100"name="businessType" index="businessType" title="业务类型" sortable="false"/>

    <sjg:gridColumn width="100"name="businessCode" index="businessCode" title="业务代码" sortable="false"/>

    <sjg:gridColumn width="100"name="modelCode" index="modelCode" title="模型编码" sortable="false"/>

    <sjg:gridColumn width="100"name="ownerId" index="ownerId" title="业务属主" sortable="false"/>

    <sjg:gridColumn width="100"name="resourceId" index="resourceId" title="服务类型" sortable="false"/>

    <sjg:gridColumn width="100"name="serviceType" index="serviceType" title="服务资源" sortable="false"/>

    </sjg:grid>

</body>

</html>