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一个文件系统的后台及前台设计

2014-05-24 20:19 453 查看

前言

对于网站而言,文件的存储从来都是问题。本人查找多个资料以后,得出了一个自认为可行的解决方案。

方案设计

服务端:



数据库表

临时表

用于存放临时文件,可以定时清理

正式文件表

用于存放正式的文件



功能



采用技术

采用java开发,nutz mvc,数据库为postgresql,文件系统为fastdfs,前端使用的树形插件为ztree

效果



















部分代码

为什么是部分代码而不是全部代码?

因为用了fastdfs。用了nutz,用了ztree,也用了很多类库,所以剥离出来很麻烦,所以只把前台页面代码及后台处理逻辑贴出来意思意思。

前端主要js:

function sfilemgr(){
var fileMgrData={
tree_selectedNode:null,
tree_selectedTid:0,
tree_selectedId:0,
Ztree:null,
contextSource:"file",
selectedFileId:0
};
var __getTreeNodeURL="/admin/sfilemgr/getFolders.jspx";

//--设定左侧的树形的事件。
//--用于动态构造url访问后台路径。
function getZTreeURL(treeId, treeNode){
if(treeNode==null){
return  __getTreeNodeURL+"?t="+Math.random();
}
return __getTreeNodeURL+"?id="+treeId+"&t="+Math.random();
}
var ztree_setting = {
view: {
selectedMulti: false

},
check: {
enable: false
},
async: {
enable: true,
url:getZTreeURL,
autoParam:["id", "name=n", "level=lv"],
otherParam:{"otherParam":"zTreeAsyncTest"},
dataFilter: filter
},
callback: {
beforeClick: beforeClick,
beforeAsync: beforeAsync,
onAsyncError: onAsyncError,
onAsyncSuccess: onAsyncSuccess,
beforeRightClick: zTreeBeforeRightClick,
onRightClick: onRightClick//右键菜单。
}
};

function zTreeBeforeRightClick(treeId, treeNode) {
if(treeNode==null){
return;
}
fileMgrData.tree_selectedNode=treeNode;
fileMgrData.tree_selectedId=treeNode.id;
fileMgrData.tree_selectedTid=treeNode.tId;
if (!treeNode && event.target.tagName.toLowerCase() != "button" && $(event.target).parents("a").length == 0) {
fileMgrData.Ztree.cancelSelectedNode();
//  showRMenu("root", event.clientX, event.clientY);
} else if (treeNode && !treeNode.node) {
fileMgrData.Ztree.selectNode(treeNode);
//  showRMenu("node", event.clientX, event.clientY);
}
return true;
};
//--ztree的右键菜单。
function onRightClick(event, treeId, treeNode) {
if(treeNode==null){
return;
}
showFolderContextMenu(event.pageX,event.pageY);
}
//--ztree 相关初始化
function filter(treeId, parentNode, childNodes) {

if (!childNodes) return null;
for (var i=0, l=childNodes.length; i<l; i++) {
childNodes[i].name = childNodes[i].name.replace(/\.n/g, '.');
}
return childNodes;
}
function beforeClick(treeId, treeNode) {
fileMgrData.tree_selectedNode=treeNode;
fileMgrData.tree_selectedId=treeNode.id;
fileMgrData.tree_selectedTid=treeNode.tId;
LoadFileList();
if (!treeNode.isParent) {
//alert("请选择父节点");
return false;
} else {
return true;
}
}

/**
* 从服务器加载相关列表视图数据
* */
function LoadFileList(pageindex){
$.ajax({
url:"getPageFiles.jspx?directory="+fileMgrData.tree_selectedId+(pageindex!=undefined?("&pageindex="+pageindex):""),
dataType:"json",
error:function(p1,p2,p3){
alert("服务端错误!");
},
success:function(data){
if(data.status==false){
alert(data.message);
return;
}
console.log(data);
var html=generateFileItemHtml(data["list"]);
$("#main_items").html("");
var _html=$(html);
$("#main_items").append(_html);
//--左键。
_html.find("a.the_file_item").click(function(){
$(this).toggleClass("selected");
});
//--右键。
function applyrule(menu) {
if (this.id == "target2") {
menu.applyrule({
name: "target2",
disable: true,
items: ["1-2", "2-3", "2-4", "1-6"]
});
}else {
menu.applyrule({
name: "all",
disable: true,
items: []
});
}
}

_html.find("a.the_file_item").mousedown(function(e){
if(3 == e.which){
//alert('这 是右键单击事件');
$("#main_items a.the_file_item").removeClass("selected");
$(this).addClass("selected");

}else if(1 == e.which){
//alert('这 是左键单击事件');
}
});

_html.find("a.the_file_item").bind("contextmenu",function(e){
$("#main_items a.the_file_item").removeClass("selected");
$(this).addClass("selected");
fileMgrData.selectedFileId=parseInt($(this).attr("fileid"));
showFileContextMenu(e.pageX, e.pageY);
return false;});
//--添加右键菜单
//addFileItemOrFolderContenxtMenu();

//--分页。
$("#pagination").html("");
var jel=$("<div id='pager'></div>");
$("#pagination").append(jel);
if(data["totalrecords"]>0){
jel.myPagination({
currPage:data["pageindex"], /*配置当前页面*/
pageCount: data["totalpages"], /*配置总页数*/
pageNumber: data["pagesize"], /*配置分页控件每次显示的页码方块个数*/
ajax: {
/*点击事件*/
onClick: function (page) {
var page_no = page;
/*用户点击页码*/
LoadFileList(page_no);
}
/*点击事件结束*/
}
});
}
}
});
}
function generateFileItemHtml(JsonDataList){

var html = '<div>';

var json=JsonDataList;
if (JsonDataList) {
for (i = 0; i <JsonDataList.length; i++) {

var name = '';

var filename = json[i]['name'];
if(filename.length>15){
filename=filename.substr(0,15)+"..";
}
filename+="<br/>";
name+=filename;
name += "<span class='sizearea'style='display:none;'>" + (JsonDataList[i]['size']/1024) + "kb</span>";
name += '<span class="filetimearea">' + json[i]['addtime'] + '</span>';
//alert(json[i]["thumb"]);

var imgURL1=  JsonDataList[i]['logo'];

html += '<a class="the_file_item" fileid="'+JsonDataList[i]["id"]+'"><img width="100" height="100" class="file_item_img" src="' + imgURL1 + '" title="' + JsonDataList[i]['name'] + '" /><br />' + name + '</a>';
}
}

html += '</div>';

return html;
}
var log, className = "dark";
function beforeAsync(treeId, treeNode) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" beforeAsync ]    " + ((!!treeNode && !!treeNode.name) ? treeNode.name : "root") );
return true;
}
function onAsyncError(event, treeId, treeNode, XMLHttpRequest, textStatus, errorThrown) {
showLog("[ "+getTime()+" onAsyncError ]    " + ((!!treeNode && !!treeNode.name) ? treeNode.name : "root") );
}
function onAsyncSuccess(event, treeId, treeNode, msg) {
if(treeNode==undefined){
//--这是根节点。获取根节点。
var arr_nodes=fileMgrData.Ztree.getNodes();
if(arr_nodes!=null&&arr_nodes.length>0){
var theTid=arr_nodes[0].tId;
//initFileItemOrFolderContextMenu("#"+theTid);
}
}
else{
//--这不是根节点,获取下面的子节点。
if(treeNode.children!=null&&treeNode.children.length>0){
for(var index=0;index++;index<treeNode.length){
var _tid=treeNode.children[index].tId;
// initFileItemOrFolderContextMenu("#"+_tid);
}
}

}

}
function showLog(str) {
if (!log) log = $("#log");
log.append("<li class='"+className+"'>"+str+"</li>");
if(log.children("li").length > 8) {
log.get(0).removeChild(log.children("li")[0]);
}
}
function getTime() {
var now= new Date(),
h=now.getHours(),
m=now.getMinutes(),
s=now.getSeconds(),
ms=now.getMilliseconds();
return (h+":"+m+":"+s+ " " +ms);
}

function refreshNode(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
type = e.data.type,
silent = e.data.silent,
nodes = zTree.getSelectedNodes();
if (nodes.length == 0) {
alert("请先选择一个父节点");
}
for (var i=0, l=nodes.length; i<l; i++) {
zTree.reAsyncChildNodes(nodes[i], type, silent);
if (!silent) zTree.selectNode(nodes[i]);
}
}
var ztree_inition_nodes=null;
function __init_ztree(){
$.fn.zTree.init($("#folder_tree"),ztree_setting,null);
$("#refreshNode").bind("click", {type:"refresh", silent:false}, refreshNode);
$("#refreshNodeSilent").bind("click", {type:"refresh", silent:true}, refreshNode);
$("#addNode").bind("click", {type:"add", silent:false}, refreshNode);
$("#addNodeSilent").bind("click", {type:"add", silent:true}, refreshNode);
fileMgrData.Ztree = $.fn.zTree.getZTreeObj("folder_tree");
}

$(document).ready(function(){
__init_ztree();
});

//--ztree相关初始化 结束

//--新建文件夹逻辑
//$("#create").click();
var __handler_of_addFolder=function(){
if(fileMgrData.tree_selectedId==null||fileMgrData.tree_selectedNode==undefined){
alert("请在左侧文件夹目录树里面选择父文件夹");
return;
}
var treeObj=$.fn.zTree.getZTreeObj("folder_tree");
var selectedNode=treeObj.getNodeByTId(fileMgrData.tree_selectedTid);

var    nodes=treeObj.getCheckedNodes(true);
if(selectedNode==null){
alert("请在左侧文件夹目录树里面选择父文件夹");
return;
}
var _theDialog=  art.dialog({
title:"新建文件夹",
lock:true,
content:"<div><label>文件夹名称:</label><input id='txt_new_folder_name' name='foldername'></div>",
ok:function(){
var _folderName= $.trim($("#txt_new_folder_name").val());
if(_folderName==""){
alert("请填写文件夹名称!");
return false;
}
var _ajax_url="create.jspx?pid="+selectedNode.id+"&foldername="+decodeURI(_folderName)+"&t="+Math.random();
$.ajax({
url:_ajax_url,
dataType:"json",
success:function(json){
if(json.status==false){
alert(json.message);
return;
}
else{
_theDialog.close();
//--重新加载该节点的文件夹。
treeObj.reAsyncChildNodes(selectedNode, "refresh");
}
},
error:function(){}
// url
}) ;
return false;
},
okVal:"确定",
cancel:function(){},
cancelVal:"取消"
});

};
//--编辑文件夹逻辑
//$("#folder_edit").click();
var __handler_of_editFolder=function(){
if(fileMgrData.tree_selectedTid==null||fileMgrData.tree_selectedTid==undefined){
alert("请在左侧文件夹目录树里面选择需要编辑的文件夹!");
return;
}
var treeObj=$.fn.zTree.getZTreeObj("folder_tree");
var selectedNode=treeObj.getNodeByTId(fileMgrData.tree_selectedTid);
if(selectedNode==null){
alert("请在左侧文件夹目录树里面选择父文件夹");
return;
}
//--获得父目录的id。
var parentNode=selectedNode.getParentNode();
var pid=0;
if(parentNode!=null){
pid=parentNode.id;
}
else{
alert("不允许修改根目录!");
return;
}
var _theDialog=  art.dialog({
title:"编辑文件夹",
lock:true,
content:"<div><label>文件夹名称:</label><input id='txt_edit_folder_name' name='foldername'></div>",
init:function(){
$("#txt_edit_folder_name").val(selectedNode.name);
},
ok:function(){
var _folderName= $.trim($("#txt_edit_folder_name").val());
if(_folderName==""){
alert("请填写文件夹名称!");
return false;
}
var _ajax_url="edit_folder.jspx?pid="+pid+"&id="+selectedNode.id+"&foldername="+decodeURI(_folderName)+"&t="+Math.random();
$.ajax({
url:_ajax_url,
dataType:"json",
success:function(json){
if(json.status==false){
alert(json.message);
return;
}
else{
_theDialog.close();
//--修改该节点状态
selectedNode.name=_folderName;
treeObj.updateNode(selectedNode,false);
//treeObj.reAsyncChildNodes(selectedNode, "refresh");
}
},
error:function(){}
// url
}) ;
return false;
},
okVal:"确定",
cancel:function(){},
cancelVal:"取消"
});

};

//--添加文件
//$("#file_add").click();
var __handler_of_addFile=function(){
if(fileMgrData.tree_selectedId==null||fileMgrData.tree_selectedTid==undefined){
alert("请在左侧文件夹目录树里面选择需要编辑的文件夹!");
return;
}
var treeObj=$.fn.zTree.getZTreeObj("folder_tree");
var selectedNode=treeObj.getNodeByTId(fileMgrData.tree_selectedTid);

if(selectedNode==null){
alert("请在左侧文件夹目录树里面选择父文件夹");
return;
}
//--获得父目录的id。
var parentNode=selectedNode.getParentNode();
var pid=0;
if(parentNode!=null){
pid=parentNode.id;
}
var _theDialog=  art.dialog({
title:"添加文件",
lock:true,
width:550,
height:340,
content:'<iframe id="iframe_add_file" src="/admin/sysfile/add.jspx?pid='+fileMgrData.tree_selectedId+'" style="padding:0; margin: 0; display: block; width:550px; height:340px;" frameborder="no" scrolling="auto"></iframe>',
init:function(){
//  $("#txt_edit_folder_name").val(selectedNode.name);

},
ok:function(){
document.getElementById('iframe_add_file').contentWindow.add_handler(function(data){
console.log(data);
LoadFileList();
_theDialog.close();
});
//alert("尚未处理逻辑");
return false;
},
okVal:"确定",
cancel:function(){},
cancelVal:"取消"
});

};
//--编辑文件。
var __handler_of_editFile=function(){

var _theDialog=  art.dialog({
title:"编辑文件",
lock:true,
width:550,
height:340,
content:'<iframe id="iframe_edit_file" src="/admin/sysfile/edit.jspx?id='+fileMgrData.selectedFileId+'" style="padding:0; margin: 0; display: block; width:550px; height:340px;" frameborder="no" scrolling="auto"></iframe>',
init:function(){
//  $("#txt_edit_folder_name").val(selectedNode.name);

},
ok:function(){
document.getElementById('iframe_edit_file').contentWindow.edit_handler(function(data){
console.log(data);
LoadFileList();
_theDialog.close();
});
//alert("尚未处理逻辑");
return false;
},
okVal:"确定",
cancel:function(){},
cancelVal:"取消"
});

};

//--单独删除一个文件。
var __handler_of_deleteFile=function(){
var _theDialog2=art.dialog({
title:"警告",
content:"是否删除该文件?【一旦删除文件将不可恢复】",
lock:true,
okValue:"删除",
ok:function(){
$.ajax({
url:"/admin/sysfile/ajax_single_delete.jspx?id="+fileMgrData.selectedFileId,
dataType:"json",
success:function(data){
LoadFileList();

},
error:function(p1,p2,p3){
art.dialog({
title:"系统错误",
content:""+p1
});
}
});

return true;
},
cancelValue:"取消",
cancel:function(){}

});

};

//--批量图片上传处理逻辑。
var __handler_of_mutiImg=function(){
var __totalCount=0;//图片计数器,计算总共多少图片
var __totalSuccess=0;//计算总共多少图片成功上传。
var __totalFailed=0;//计算总共多少图片上传失败。
var _currentDialog=null;
_currentDialog=  art.dialog({
title:"图片批量上传工具",
lock:true,
content:"<div style=' position: relative; width:850px;height:425px;' ><div style='width:1200px;height:425px; position: absolute; left:-350px;'><div id='content_muti_img' style='width:1400px;height:425px;'></div></div></div>",
init:function(){
initUploadComponent();
}

});

window.muti_img_perCallBack=function(jsonDataString){
return;
}
window.muti_img_callBack=function(){
if(_currentDialog!=null){
_currentDialog.close();
}
LoadFileList();
}
function initUploadComponent(){
var flashvars = {
uploadUrl:"/admin/sfilemgr/multiUploadImg.jspx?folder="+fileMgrData.tree_selectedId,//上传图片的后台处理地址。
max:8,//最大上传图片张数。
allowDesc:true,//是否运行编辑图片描述
perCallBack:"muti_img_perCallBack",//js回调函数,请注意,这是其中一个图片上传完以后会调用的函数。注意区分。传进去的是服务端返回的字符串,需要自行处理字符串。
callBack:"muti_img_callBack",//js回调函数。请注意,这是所有图片都上传完毕以后回调的函数,注意,这个方法是调用完毕后才回调的,没有参数。
sequenceKey:"sequence",//发送文件时候,flash会向后台发送一个标识当前图片次序的参数,这个参数的key可以定制,默认为sequence,但是你也可以修改成为其他。
autoParaName:"folder",
autoParaValue:fileMgrData.tree_selectedId
};

var params = {
menu: "false",
scale: "noScale",
allowFullscreen: "true",
allowScriptAccess: "always",
wmode:"transparent",
bgcolor: "#FFFFFF"
};

var attributes = {
id:"FaustCplus"
};
//swfobject.embedSWF("/static/UI/avatar/FaustCplus.swf", "altContent", "800", "500", "9.0.0", "expressInstall.swf", flashvars, params, attributes);
// swfobject.embedSWF("/static/UI/avatar/FaulstCplusAS.swf", "altContent", "800", "500", "9.0.0", "expressInstall.swf", flashvars, params, attributes);
swfobject.embedSWF("/static/UI/YUpload/YUploadImg.swf", "content_muti_img", "1200", "425", "9.0.0", "expressInstall.swf", flashvars, params, attributes);
}
}
//_init_muti_upload_img();

//--批量上传文件处理逻辑
var __handler_of_mutiFile=function(){
var _currentDialog=null;
_currentDialog=  art.dialog({
title:"文件批量上传工具",
lock:true,
padding:0,
content:"<div style='position: relative;width: 780px;height: 290px;overflow: hidden;'><div  style='width:780px;height: 350px;position: absolute; top:-50px;' ><div id='content_muti_file'></div></div></div>",
init:function(){
initUploadComponent();
}

});

//--回调函数
window.muti_file_perCallBack=function(){
//  console.log("单次成功。");
}
window.muti_file_callBack=function(){
//alert("ok");
//_currentDialog.close();
// console.log("上传成功");
setTimeout(function(){
_currentDialog.close();
LoadFileList();
},100);
}

function initUploadComponent(){
var flashvars = {
uploadUrl:"/admin/sfilemgr/multiUploadFile.jspx",//上传图片的后台处理地址。
MAX_NUM:12,//最大上传文件数量
perCallBack:"muti_file_perCallBack",
callBack:"muti_file_callBack",//js回调函数。请注意,这是所有图片都上传完毕以后回调的函数,注意,这个方法是调用完毕后才回调的,没有参数。
showCount:8,//显示多少条待上传文件记录。
autoParaName:"folder",
autoParaValue:""+fileMgrData.tree_selectedId
};

var params = {
menu: "false",
scale: "noScale",
allowFullscreen: "true",
allowScriptAccess: "always",
wmode:"transparent",
bgcolor: "#FFFFFF"
};

var attributes = {
id:"muti_file_uploader"
};

swfobject.embedSWF("/static/UI/mutiupload/FileUpload.swf", "content_muti_file", "780", "450", "9.0.0", "expressInstall.swf", flashvars, params, attributes);
}
}
/**
* 各种菜单
* */
/**
* 这是文件夹的右键菜单。
* */
function initFolderContextMenu(){
$.contextMenu({
selector: '#hidden_div',
callback: function(key, options) {
var m = "clicked: " + key;

if(key=="delete"){
alert("系统暂时不支持删除任何文件目录!");
return;
}
if(key=="view"){
LoadFileList();
return;
}
if(key=="add"){
__handler_of_addFolder();
return;
}
if(key=="edit"){
__handler_of_editFolder();
return;
}
if(key=="add_file"){
__handler_of_addFile();
return;
}
if(key=="add_muti_img"){
__handler_of_mutiImg();
return;
}
if(key=="add_muti_file"){
__handler_of_mutiFile();
return;
}
},
items: {
"view":{name:"查看列表",icon:"/public/icons/view_16x16.png"}    ,
"sep1": "---------",
"add_file":{name:"添加文件",icon:""},
"add_muti_img":{name:"批量添加图片",icon:""},
"add_muti_file":{name:"批量上传文件",icon:""},
"sep2": "---------",
"add":{name:"添加子目录",icon:"add"},
"edit": {name: "编辑文件夹", icon: "edit"},
"delete": {name: "删除目录", icon: "cut"},
"sep3": "---------",
"quit": {name: "退出", icon: "quit"}
}
});
}
initFolderContextMenu();
function showFolderContextMenu(x,y){
$("#hidden_div").css({"left":x+"px","top":y+"px"});
$("#hidden_div").contextMenu();
}
function initFileContextMenu(){
$.contextMenu({
selector: '#hidden_div_file_menu',
callback: function(key, options) {
if(key=="edit"){
__handler_of_editFile();
return;
}

if(key=="delete"){
__handler_of_deleteFile();
return;
}
var m = "clicked: " + key;
window.console && console.log(m) || alert(m);
},
items: {
"edit": {name: "编辑文件", icon: "edit"},
//"cut": {name: "Cut", icon: "cut"},
//"copy": {name: "Copy", icon: "copy"},
"sep1": "---------",
"delete": {name: "删除", icon: "delete"},
"sep2": "---------",
"quit": {name: "退出", icon: "quit"}
}
});
}
initFileContextMenu();
function showFileContextMenu(x,y){
$("#hidden_div_file_menu").css({"left":x+"px","top":y+"px"});
$("#hidden_div_file_menu").contextMenu();
}

}


后台主要java代码:

package EWeb.Controller.admin;

import java.util.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import EWeb.Base.BLL.FileDirectoryBLL;
import EWeb.Base.BLL.FileSysBLL;
import EWeb.Base.DAL.ApplyFreightDAL;
import EWeb.Base.DAL.SysFileDAL;
import EWeb.Base.DAL.filedirectoryDAL;
import EWeb.Base.Model.SysFileModel;
import EWeb.Base.Model.filedirectoryModel;
import EWeb.Base.Model.memberModel;
import EWeb.Base.OpModel.SysFileOp;
import EWeb.Base.OpModel.applySearchCondition;
import EWeb.Filters.CheckAdminLogin;
import EWeb.RedisSess.RSession;
import EWeb.RedisSess.SessionManager;
import EWeb.UI.ErrorPage;
import EWeb.UI.FileMGR;
import Easis.Common.HtmlCleaner;
import Easis.Common.Validation;
import Easis.Media.FileType;
import Easis.Media.FileTypeHelper;
import Easis.util.DataRow;
import Easis.util.DataTable;
import Easis.util.PagerResult;
import Easis.HTTP.RequestEX;
import Easis.util.OperationResult;
import Easis.Common.JsonHelper;
import Easis.Common.StringUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.nutz.mvc.View;
import org.nutz.mvc.annotation.*;
import org.nutz.mvc.annotation.Param;
import EWeb.Base.DAL.ApplyFreightDAL;
import EWeb.Base.Model.ApplyFreightModel;
import org.apache.log4j.Logger;
import org.nutz.mvc.view.JspView;
import org.nutz.mvc.view.RawView;
import org.nutz.mvc.view.ViewWrapper;

/**
* 管理中心模板。
* 这是利用CodeGen工具生成的控制器的一个模板,作者为“码农下的天桥”
* 生成的类名称:
* @author 码农下的天桥
* @version 1.00
*/
@At("/admin/sfilemgr/")
@Filters(@By(type = CheckAdminLogin.class))
public class sfilemgrController {
@At("/index")
@Ok("jsp:jsp.admin.sfilemgr.index")
public void index(){

}
@At("/getFolders")
@Ok("raw")
public String getFolders(HttpServletRequest request){
RequestEX _req=new RequestEX(request);
int theID=StringUtil.toInt(_req.getParaValueByBoth("id"));
filedirectoryDAL _dal=new filedirectoryDAL();
JSONArray _arr=new JSONArray();
if(theID<=0){
filedirectoryModel _model= _dal.GetRecord(2);
JSONObject _obj=new JSONObject();
_obj.put("id",_model.id);
_obj.put("name",_model.name) ;
_obj.put("isParent",true);
//_obj.put("")
//_arr.add(_model);
_arr.add(_obj);
}
else{
DataTable dt=  _dal.getTopNByCondition(100,"*","where pid="+theID,"");
if(dt.getRows().size()>0){
filedirectoryModel _tmpModel=new filedirectoryModel();
for(DataRow drow:dt.getRows()){
_tmpModel=_dal.tryParseModel(drow);
JSONObject _tmpJson=new JSONObject();
_tmpJson.put("isParent",true);
_tmpJson.put("id",_tmpModel.id);
_tmpJson.put("name",_tmpModel.name);
_arr.add(_tmpJson);
}
}
}
return JSON.toJSONString(_arr);
}
@At("/create")
@Ok("raw")
public String createNewFolder(HttpServletRequest request){
RequestEX _req=new RequestEX(request);
String _strName=HtmlCleaner.getPlainText(_req.getParaValueByBoth("foldername"));
int _thepid=StringUtil.toInt(_req.getParaValueByBoth("pid"));
OperationResult _op=new OperationResult();
if(StringUtil.isNullOrEmpty(_strName)){
_op.status=false;
_op.message="必须填写文件夹名称!";
return JSON.toJSONString(_op.toHashtable());
}
if(_thepid<=0){
_op.status=false;
_op.message="请指定父目录!";
return JSON.toJSONString(_op.toHashtable());
}
filedirectoryDAL _dal=new filedirectoryDAL();
filedirectoryModel _model=new filedirectoryModel();
_model.pid=_thepid;
_model.name=_strName;
_op= _dal.Insert(_model);
return JSON.toJSONString(_op.toHashtable());
}
@At("/edit_folder")
@Ok("raw")
public String editFolder(HttpServletRequest request){
RequestEX _req=new RequestEX(request);
String _strName=HtmlCleaner.getPlainText(_req.getParaValueByBoth("foldername"));
int _theid=StringUtil.toInt(_req.getParaValueByBoth("id"));
OperationResult _op=new OperationResult();
if(StringUtil.isNullOrEmpty(_strName)){
_op.status=false;
_op.message="必须填写文件夹名称!";
return JSON.toJSONString(_op.toHashtable());
}
if(_theid<=0){
_op.status=false;
_op.message="请指定需要修改的目录!";
return JSON.toJSONString(_op.toHashtable());
}
int _thepid=StringUtil.toInt(_req.getParaValueByBoth("pid"));
filedirectoryDAL _dal=new filedirectoryDAL();
filedirectoryModel _model=new filedirectoryModel();
_model.pid=_thepid;
_model.name=_strName;
_model.id=_theid;
_op= _dal.Update(_model);
return JSON.toJSONString(_op.toHashtable());
}

/**
* 获得当前目录下面所有文件。注意:这个没有分页。
* 请用getPageFile代替。
* */

@At("/getFiles")
@Ok("raw")public String getFiles(HttpServletRequest request){
RequestEX req=new RequestEX(request);
int theDirectory=StringUtil.toInt(req.getParaValueByBoth("directory"));
JSONObject _json=new JSONObject();
if(theDirectory<=0){
_json.put("status",false);
_json.put("message","目录id不合法!");
return JSON.toJSONString(_json);
}
SysFileDAL _dal=new SysFileDAL();
DataTable dtable= _dal.Top_Condition(99,"*","where directory="+theDirectory,"order by addtime desc");
List<SysFileModel> _files=_dal.tryParseList(dtable.getRows());
JSONArray _arr_files=new JSONArray();
for(SysFileModel _model:_files){
JSONObject _obj1=new JSONObject();
_obj1.put("id",_model.id);
_obj1.put("addtime",StringUtil.FormatDateTime(_model.addtime,"yyyy-MM-dd"));
_obj1.put("edittime",StringUtil.FormatDateTime(_model.editime,"yyyy-MM-dd"));
_obj1.put("ext",_model.ext);
_obj1.put("directory",_model.directory);
_obj1.put("filetype",_model.filetype);
_obj1.put("name",_model.name);
_obj1.put("remark",_model.remark);
_obj1.put("logo", FileMGR.getFileLogoPath(FileTypeHelper.str2FileType(_model.ext),_model.id,false));
_arr_files.add(_obj1);
}
_json.put("status",true);
_json.put("message","");
_json.put("list",_arr_files);
return JSON.toJSONString(_json);
}
/**
* 获得后台文件的分页列表。
* */
@At("/getPageFiles")
@Ok("raw")public String getPageFiles(HttpServletRequest request){
RequestEX req=new RequestEX(request);
int theDirectory=StringUtil.toInt(req.getParaValueByBoth("directory"));
JSONObject _json=new JSONObject();
if(theDirectory<=0){
_json.put("status",false);
_json.put("message","目录id不合法!");
return JSON.toJSONString(_json);
}
int pagesize=20;
int totalCount=20;
int pageindex=StringUtil.toInt(req.getParaValueByBoth("pageindex"));
int _pageindex=pageindex<=0?1:pageindex;

PagerResult pagerInfo=new PagerResult();
SysFileDAL _dal=new SysFileDAL();

pagerInfo=  _dal.getPageListByCondition(pageindex,pagesize,"*","where directory="+theDirectory,"order by addtime desc");

//DataTable dtable= _dal.Top_Condition(99,"*","where directory="+theDirectory,"order by addtime desc");
List<SysFileModel> _files=_dal.tryParseList(pagerInfo.datasource.getRows());
JSONArray _arr_files=new JSONArray();
for(SysFileModel _model:_files){
JSONObject _obj1=new JSONObject();
_obj1.put("id",_model.id);
_obj1.put("addtime",StringUtil.FormatDateTime(_model.addtime,"yyyy-MM-dd"));
_obj1.put("edittime",StringUtil.FormatDateTime(_model.editime,"yyyy-MM-dd"));
_obj1.put("ext",_model.ext);
_obj1.put("directory",_model.directory);
_obj1.put("filetype",_model.filetype);
_obj1.put("name",_model.name);
_obj1.put("remark",_model.remark);
_obj1.put("logo", FileMGR.getFileLogoPath(FileTypeHelper.str2FileType(_model.ext),_model.id,false));
_arr_files.add(_obj1);
}
_json.put("status",true);
_json.put("message","");
_json.put("list",_arr_files);
_json.put("pagesize",pagerInfo.pagesize);
_json.put("pageindex",pagerInfo.pageindex);
_json.put("totalrecords",pagerInfo.totalrecords);
_json.put("totalpages",pagerInfo.totalpages);
return JSON.toJSONString(_json);
}
/**
* 对前台的批量上传图片进行处理。
* 接收其中一个图片及信息。
* */
@At("/multiUploadImg")
@Ok("raw")
public String multiUploadImg(HttpServletRequest request){
int FolderId=0;
String  desc="";
String fileName="";

Hashtable<String,Object> _hash=new Hashtable<String, Object>();
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEncoding("utf-8");
try {
Hashtable<String,String> _queryHash= RequestEX.parseQueryString(request.getQueryString());
if(_queryHash.containsKey("folder")){
FolderId=StringUtil.toInt(_queryHash.get("folder"));
}
List items = upload.parseRequest(request);
Iterator itr = items.iterator();
FileItem _fileItem=null;
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
if (item.isFormField()) {
if(item.getFieldName().equals("Filename")){
fileName=StringUtil.decodeURI(item.getString());

fileName=HtmlCleaner.getPlainText(fileName) ;
fileName=StringUtil.cutStr(fileName,45,"..");

}
else if(item.getFieldName().equals("desc")){
desc=StringUtil.decodeURI(item.getString());
desc=StringUtil.cutStr(HtmlCleaner.getPlainText(desc),45,"..");
}

//  System.out.println("表单参数名:" + item.getFieldName() + ",表单参数值:" + item.getString("UTF-8"));
} else {
if (item.getName() != null && !item.getName().equals("")) {

_fileItem=item;
}else{
}
}
}
if(_fileItem==null){
_hash.put("status",false);
_hash.put("message","没有上传任何文件!");
_hash.put("url","");
return JSON.toJSONString(_hash);
}
if(FolderId<=0){
_hash.put("status",false);
_hash.put("message",String.format("文件 %s 没有指定保存目录!",fileName));
_hash.put("url","");
return JSON.toJSONString(_hash);
}
//--保存图片
byte[] _fileContent= _fileItem.get();

SysFileOp _sfileOp=new SysFileOp();

FileType _type=FileTypeHelper.getFileType(_fileContent);
_sfileOp= FileSysBLL.AddSysFile(fileName, desc, FileMGR.getDBFileTyp(_type), FolderId, _fileContent);
if(_sfileOp.status==false){
_hash.put("status",false);
_hash.put("message",_sfileOp.message);
_hash.put("url", FileMGR.getFileLogoPath(_type, _sfileOp.model.id, false));
return JSON.toJSONString(_hash);
}
_hash.put("status",true);
_hash.put("message","成功上传图片!");
_hash.put("url", FileMGR.getFileLogoPath(_type, _sfileOp.model.id, false));
return JSON.toJSONString(_hash);
}catch(FileUploadException e){

e.printStackTrace();

_hash.put("status",false);
_hash.put("message","上传文件失败,文件流异常!");
_hash.put("url","");
return (JSON.toJSONString(_hash));

} catch (Exception e) {
e.printStackTrace();
_hash.put("status",false);
_hash.put("message","服务器500错误!");
_hash.put("url","");
return (JSON.toJSONString(_hash));

}

}

/**
* 对前台的批量上传图片进行处理。
* 接收其中一个图片及信息。
* */
@At("/multiUploadFile")
@Ok("raw")
public String multiUploadFile(HttpServletRequest request){
int FolderId=0;
String  desc="";
String fileName="";

Hashtable<String,Object> _hash=new Hashtable<String, Object>();
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEncoding("utf-8");
try {

List items = upload.parseRequest(request);
Iterator itr = items.iterator();
FileItem _fileItem=null;
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
if (item.isFormField()) {
if(item.getFieldName().equals("Filename")){
String str1=item.getString();
fileName=StringUtil.decodeURI(item.getString());

fileName=HtmlCleaner.getPlainText(fileName) ;
fileName=StringUtil.cutStr(fileName,45,"..");

}
else if(item.getFieldName().equals("desc")){
desc=StringUtil.decodeURI(item.getString());
desc=HtmlCleaner.getPlainText(desc);
}
else if(item.getFieldName().equals("folder")){
FolderId=StringUtil.toInt(item.getString());
}

//  System.out.println("表单参数名:" + item.getFieldName() + ",表单参数值:" + item.getString("UTF-8"));
} else {
if (item.getName() != null && !item.getName().equals("")) {

_fileItem=item;
}else{
}
}
}
if(_fileItem==null){
_hash.put("status",false);
_hash.put("message","没有上传任何文件!");
_hash.put("url","");
return JSON.toJSONString(_hash);
}
if(FolderId<=0){
_hash.put("status",false);
_hash.put("message",String.format("文件 %s 没有指定保存目录!",fileName));
_hash.put("url","");
return JSON.toJSONString(_hash);
}
//--保存图片
byte[] _fileContent= _fileItem.get();

SysFileOp _sfileOp=new SysFileOp();

FileType _type=FileTypeHelper.getFileType(_fileContent);
_sfileOp= FileSysBLL.AddSysFile(fileName, desc, FileMGR.getDBFileTyp(_type), FolderId, _fileContent);
if(_sfileOp.status==false){
_hash.put("status",false);
_hash.put("message",_sfileOp.message);
_hash.put("url", FileMGR.getFileLogoPath(_type, _sfileOp.model.id, false));
return JSON.toJSONString(_hash);
}
_hash.put("status",true);
_hash.put("message","成功上传文件!");
_hash.put("url", FileMGR.getFileLogoPath(_type, _sfileOp.model.id, false));
return JSON.toJSONString(_hash);
}catch(FileUploadException e){

e.printStackTrace();

_hash.put("status",false);
_hash.put("message","上传文件失败,文件流异常!");
_hash.put("url","");
return (JSON.toJSONString(_hash));

} catch (Exception e) {
e.printStackTrace();
_hash.put("status",false);
_hash.put("message","服务器500错误!");
_hash.put("url","");
return (JSON.toJSONString(_hash));

}

}
}
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