做easyui中的树和datagrid的一个案例（SSH，easyui）

package cn.com.css.misps.onlinegraph.web.action;

import java.util.ArrayList;
import java.util.List;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import cn.com.css.common.action.BaseAction;
import cn.com.css.misps.onlinegraph.bean.TreeDataBean;
import cn.com.css.misps.onlinegraph.bean.TreeNode;
import cn.com.css.misps.onlinegraph.service.ITreeDataService;
import cn.com.css.misps.onlinegraph.service.impl.TreeDataServiceImpl;
import cn.com.css.misps.onlinegraph.util.ProductsStorageUtils;

/**
 * @brief TreeDataAction.java 用于控制左侧的树形结构
 * @attention
 * @author 涂作权
 * @date 2014-2-20
 * @note begin modify by null
 */
@SuppressWarnings("serial")
@Scope("prototype")
@Controller
public class TreeDataAction extends BaseAction {
 // 根目录的文件结构
 private List<TreeNode> treeList;
 private String path;
 // 文件夹内的文件夹集合
 private List<TreeNode> treeNodeList;
 
 /**
  * \brief 通过这个方法获得属性结构的json
  *
  * @return
  * @attention 通过这个方法主要是生成树形结构
  * @author 涂作权
  * @date 2014-2-24
  * @note begin modify by null
  */
 public String treeNodes() {
  treeList = new ArrayList<TreeNode>();

  // 获得配置的micaps文件绝对路径
  ITreeDataService treeDataService = new TreeDataServiceImpl();
  TreeDataBean treeDataBean = treeDataService
    .getFileInfo(ProductsStorageUtils.micapsAbsolutePath);

  TreeNode treeNode = new TreeNode();
  treeNode.setId(treeDataBean.getFilePath());
  treeNode.setText(treeDataBean.getFileName());
  treeNode.setChildren(new ArrayList<TreeNode>());
  if (treeDataBean.getInnerFileNum() > 0) {
   treeNode.setState("closed");
  }

  treeList.add(treeNode);
  return "treeNodes";
 }

 /**
  * \brief 通过这个方法可以得到指定节点下含有的树集合
  *
  * @return
  * @attention
  * @author 涂作权
  * @date 2014-2-24
  * @note begin modify by null
  */
 public String treeNodeList() {
  treeNodeList = new ArrayList<TreeNode>();
  ITreeDataService treeDataService = new TreeDataServiceImpl();
  // 要注意的是这里的id值不是数值，而是一个路径值。应为每个文件所在的路径肯定是唯一的
  List<TreeDataBean> treeDataBeans = treeDataService.getFoldersList(path);

  // 将这里的面的是文件夹的现在树形结构中
  for (TreeDataBean treeDataBean : treeDataBeans) {
   if (treeDataBean.getInnerFileNum() > 0) {
    TreeNode treeNode = new TreeNode();
    treeNode.setId(treeDataBean.getFilePath());
    treeNode.setText(treeDataBean.getFileName());
    treeNode.setChildren(new ArrayList<TreeNode>());
    treeNode.setState("closed");
    treeNodeList.add(treeNode);
   }
  }

  return "treeNodeList";
 }

 /**
  * @return the treeList
  */
 public List<TreeNode> getTreeList() {
  return treeList;
 }

 /**
  * @param treeList the treeList to set
  */
 public void setTreeList(List<TreeNode> treeList) {
  this.treeList = treeList;
 }

 /**
  * @return the path
  */
 public String getPath() {
  return path;
 }

 /**
  * @param path the path to set
  */
 public void setPath(String path) {
  this.path = path;
 }

 /**
  * @return the treeNodeList
  */
 public List<TreeNode> getTreeNodeList() {
  return treeNodeList;
 }

 /**
  * @param treeNodeList the treeNodeList to set
  */
 public void setTreeNodeList(List<TreeNode> treeNodeList) {
  this.treeNodeList = treeNodeList;
 }
}

 

 

package cn.com.css.misps.onlinegraph.web.action;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import cn.com.css.common.action.BaseAction;
import cn.com.css.misps.onlinegraph.bean.TreeDataBean;
import cn.com.css.misps.onlinegraph.service.ITreeDataService;
import cn.com.css.misps.onlinegraph.service.impl.TreeDataServiceImpl;
import cn.com.css.misps.onlinegraph.util.ProductsStorageUtils;

/**
 * @brief FileInfoAction.java 通过这个类查看文件夹下的文件信息
 * @attention
 * @author 涂作权
 * @date 2014-2-25
 * @note begin modify by null
 */
@SuppressWarnings("serial")
@Scope("prototype")
@Controller
public class FileInfoAction extends BaseAction {
 private static int Num = 10;
 private int total;
 private List<Object> rows;
 private String path;
 
 /**
  * \brief 根目录文件信息
  *
  * @return
  * @attention
  * @author 涂作权
  * @date 2014-2-25
  * @note begin modify by null
  */
 public String rootFolderFileInfo() {
  this.rows = new ArrayList<Object>();
  ITreeDataService treeDataService = new TreeDataServiceImpl();

  // 如果path为空，显示的是根目录的文件信息
  List<TreeDataBean> list = treeDataService.getAllFileList(ProductsStorageUtils.micapsAbsolutePath);

  //注意要将rows的内容放到map集合中
  for (int i = 0; i < list.size(); i++) {
   Map<String, Object> map = new HashMap<String, Object>();
   map.put("fileName", list.get(i).getFileName());
   map.put("filePath", list.get(i).getFilePath());
   map.put("lastModified", list.get(i).getLastModified());
   map.put("fileType", list.get(i).getFileType());
   map.put("fileSize", list.get(i).getFileSize());
   rows.add(map);
  }
  
  //这里表示的是总条数
  this.total = rows.size();

  return SUCCESS;
 }
 
 /**
  * \brief 通过此方法返回指定文件夹下的文件信息
  *
  * @return
  * @attention
  * @author 涂作权
  * @date 2014-2-25
  * @note begin modify by null
  */
// public String folderFileInfoList() {
//  rows = new ArrayList<Object>();
//  ITreeDataService treeDataService = new TreeDataServiceImpl();
//
//  // 如果path为空，显示的是根目录的文件信息
//  rows = treeDataService.getAllFileList(path);
//
//  total = rows.size();
//  
//  return "folderFileInfoList";
// }

 /**
  * @return the num
  */
 public static int getNum() {
  return Num;
 }

 /**
  * @param num the num to set
  */
 
 public static void setNum(int num) {
  Num = num;
 }

 /**
  * @return the total
  */
 public int getTotal() {
  return total;
 }

 /**
  * @param total the total to set
  */
 public void setTotal(int total) {
  this.total = total;
 }

 /**
  * @return the rows
  */
 public List<Object> getRows() {
  return rows;
 }

 /**
  * @param rows the rows to set
  */
 public void setRows(List<Object> rows) {
  this.rows = rows;
 }

 /**
  * @return the path
  */
 public String getPath() {
  return path;
 }

 /**
  * @param path the path to set
  */
 public void setPath(String path) {
  this.path = path;
 }

// //文件记录数
// private Integer total = 0;
// // 指定文件下的文件信息
// private List<TreeDataBean> rows;
// //文件夹路径
// private String path;
// 
// /**
//  * \brief 根目录文件信息
//  *
//  * @return
//  * @attention
//  * @author 涂作权
//  * @date 2014-2-25
//  * @note begin modify by null
//  */
// public String rootFolderFileInfo() {
//  rows = new ArrayList<TreeDataBean>();
//  ITreeDataService treeDataService = new TreeDataServiceImpl();
//
//  // 如果path为空，显示的是根目录的文件信息
//  rows = treeDataService
//    .getAllFileList(ProductsStorageUtils.micapsAbsolutePath);
//
//  total = rows.size();
//
//  return "rootFolderFileInfo";
// }
//
// /**
//  * \brief 通过此方法返回指定文件夹下的文件信息
//  *
//  * @return
//  * @attention
//  * @author 涂作权
//  * @date 2014-2-25
//  * @note begin modify by null
//  */
// public String folderFileInfoList() {
//  rows = new ArrayList<TreeDataBean>();
//  ITreeDataService treeDataService = new TreeDataServiceImpl();
//
//  // 如果path为空，显示的是根目录的文件信息
//  rows = treeDataService.getAllFileList(path);
//
//  total = rows.size();
//  
//  return "folderFileInfoList";
// }
//
// /**
//  * @return the total
//  */
// public Integer getTotal() {
//  return total;
// }
//
// /**
//  * @param total the total to set
//  */
// 
// public void setTotal(Integer total) {
//  this.total = total;
// }
//
// /**
//  * @return the rows
//  */
// public List<TreeDataBean> getRows() {
//  return rows;
// }
//
// /**
//  * @param rows the rows to set
//  */
// 
// public void setRows(List<TreeDataBean> rows) {
//  this.rows = rows;
// }
//
// /**
//  * @return the path
//  */
// public String getPath() {
//  return path;
// }
//
// /**
//  * @param path the path to set
//  */
// 
// public void setPath(String path) {
//  this.path = path;
// }
}

 对应配置：

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
        "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
 <package name="system_onlinegraph" namespace="/onlinegraph" extends="global-struts-default">
        <action name="onlinegraph_*" class="cn.com.css.misps.onlinegraph.web.action.OnlineGraphAction" method="{1}">
   <result name="onLineGraphUI">/portal/graph_online.jsp</result>
   <result name="generateGraph">/portal/graph_online.jsp</result>
   <result name="onLineGraph">/portal/extras/serviceForm.jsp</result>
   <result name="SUCCESS" type="json"></result>
   <result name="treeProducts">/portal/extras/treeProducts.jsp</result>
   <result name="ERROR" type="json"></result>
  </action>
  
  <action name="treeDataAction_*" class="cn.com.css.misps.onlinegraph.web.action.TreeDataAction" method="{1}">
   <result name="treeNodes" type="json">
    <param name="root">treeList</param>
   </result>
   <result name="treeNodeList" type="json">
    <param name="root">treeNodeList</param>
   </result>
  </action>
  
  <action name="fileInfoAction_*" class="cn.com.css.misps.onlinegraph.web.action.FileInfoAction" method="{1}">
   <result type="json"></result>
  </action>
    </package>
</struts>

 

 

 可参考的配置：

 

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
        "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
 <package name="system_onlinegraph" namespace="/onlinegraph" extends="global-struts-default">
        <action name="onlinegraph_*" class="cn.com.css.misps.onlinegraph.web.action.OnlineGraphAction" method="{1}">
   <result name="onLineGraphUI">/portal/graph_online.jsp</result>
   <result name="generateGraph">/portal/graph_online.jsp</result>
   <result name="onLineGraph">/portal/extras/serviceForm.jsp</result>
   <result name="SUCCESS" type="json"></result>
   <result name="treeProducts">/portal/extras/treeProducts.jsp</result>
   <result name="ERROR" type="json"></result>
  </action>
  
  <action name="treeDataAction_*" class="cn.com.css.misps.onlinegraph.web.action.TreeDataAction" method="{1}">
   <result name="treeNodes" type="json">
    <param name="root">treeList</param>
   </result>
   <result name="treeNodeList" type="json">
    <param name="root">treeNodeList</param>
   </result>
  </action>
  
  <action name="fileInfoAction_*" class="cn.com.css.misps.onlinegraph.web.action.FileInfoAction" method="{1}">
   <result name="rootFolderFileInfo" type="json">
    <param name="excludeProperties">path,rows\[\d+\]\.innerFileNum,rows\[\d+\]\.parentPath</param>
   </result>
   <result name="folderFileInfoList" type="json">
    <param name="excludeProperties">path,rows\[\d+\]\.innerFileNum,rows\[\d+\]\.parentPath</param>
   </result>
  </action>
    </package>
</struts>