附件上传（包含重命名文件名）

附件上传

方法1 （包含重命名文件名）

@RequestMapping("/upload")
public void upload(HttpServletRequest request,HttpServletResponse response){

String tybh=request.getParameter("tybh")!= null ? request.getParameter("tybh").toString() : "";
String type=request.getParameter("type")!= null ? request.getParameter("type").toString() : "";

System.out.println("tybh:"+tybh+"type:"+type);

String realpath=request.getSession().getServletContext().getRealPath("/upload/zhd/");
realpath=realpath+"\\"+type+"\\"+tybh+File.separator;
File fileDir = new File(realpath);

if(!fileDir .exists()  && !fileDir .isDirectory()){
//System.out.println("//不存在");
fileDir.mkdir();
}else{
//System.out.println("//目录存在");
}
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest)request;
Map<String, MultipartFile> map = multipartRequest.getFileMap();

try {
for(Map.Entry<String, MultipartFile> entity : map.entrySet()){
MultipartFile mf = entity.getValue();
String fileName = java.net.URLDecoder.decode(mf.getName(),"utf-8");
File uploadFile = new File(realpath + fileName);
//FileCopyUtils.copy(mf.getBytes(), uploadFile);

//文件重命名
//System.out.println("  文件名     "+fileName);
String [] a=fileName.split("\\.");
int   num=getMax(realpath);

String fileType="."+a[1];
String newFileName=tybh+"_"+num+fileType;
// System.out.println("newFileName     "+newFileName);
File dest = new File(realpath +newFileName);
uploadFile.renameTo(dest);
FileCopyUtils.copy(mf.getBytes(), dest);

}
} catch (Exception e) {
e.printStackTrace();
}

JSONObject jsonObj = new JSONObject();
jsonObj.put("success",true);
PrintWriter writer;
try {
writer = response.getWriter();
writer.write(jsonObj.toString());
writer.flush();
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}

//获取文件夹中文件个数
private int getMax(String filePath){

File f = new File(filePath);
File[] fl = null;
int iNum = 0;
if(f.isDirectory()){
fl = f.listFiles();
for (int i=0; i < fl.length; i++){
File f2 = fl[i];
if (f2.isFile()){
iNum = iNum + 1;
}
}
}
return iNum;
}

方法2

@RequestMapping("/upload1")
public void upload1(HttpServletRequest request,HttpServletResponse response){

String tybh=request.getParameter("tybh")!= null ? request.getParameter("tybh").toString() : "";
String type=request.getParameter("type")!= null ? request.getParameter("type").toString() : "";
int num=0;
CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());
if(multipartResolver.isMultipart(request)){
MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest)request;
Iterator<String> iter = multiRequest.getFileNames();
while(iter.hasNext()){
MultipartFile file = multiRequest.getFile(iter.next());
if(file != null){
String myFileName = file.getOriginalFilename();
System.out.println("文件名："+myFileName);
if(myFileName.trim() !=""){

//重命名上传后的文件名
String [] a=myFileName.split("\\.");
num+=num+1;
System.out.println("num:  "+num);
String fileType="."+a[1];
String newFileName=tybh+"_"+num+fileType;
String realpath=request.getSession().getServletContext().getRealPath("/upload/zhd/");
realpath=realpath+"\\"+type+"\\" +newFileName;
System.out.println("上传路径 ：" + realpath);
File localFile = new File(realpath);
try {
file.transferTo(localFile);
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
}

TYBH=null;
TYPE=null;

var upload=function(){
this.up=function(tybh,type){
TYBH=tybh;
TYPE=type;
showCwindow(TYBH,TYPE);
};
};

var from=null;
function showCwindow(tybh,type){
if(from){
from.destory();
cwindow.destory();
}

Ext.define('Ext.ux.uploadPanel.UploadPanel',{
extend : 'Ext.grid.Panel',
alias : 'widget.uploadpanel',
width : 700,
height : 300,
columns : [
{xtype: 'rownumberer'},
{text: '文件名', width: 100,dataIndex: 'name'},
{text: '自定义文件名', width: 130,dataIndex: 'fileName',editor: {xtype: 'textfield'}},
{text: '类型', width: 70,dataIndex: 'type'},
{text: '大小', width: 70,dataIndex: 'size',renderer:function(v){
return Ext.util.Format.fileSize(v);
}},
{text: '进度', width: 130,dataIndex: 'percent',renderer:function(v){
var stml =
'<div>'+
'<div style="border:1px solid #008000;height:10px;width:115px;margin:2px 0px 1px 0px;float:left;">'+
'<div style="float:left;background:#FFCC66;width:'+v+'%;height:8px;"><div></div></div>'+
'</div>'+
//'<div style="text-align:center;float:right;width:40px;margin:3px 0px 1px 0px;height:10px;font-size:12px;">{3}%</div>'+
'</div>';
return stml;
}},
{text: '状态', width: 80,dataIndex: 'status',renderer:function(v){
var status;
if(v==-1){
status = "等待上传";
}else if(v==-2){
status =  "上传中...";
}else if(v==-3){
status =  "<div style='color:red;'>上传失败</div>";
}else if(v==-4){
status =  "上传成功";
}else if(v==-5){
status =  "停止上传";
}
return status;
}},
{
xtype:'actioncolumn',
width:50,
items: [{
//icon: '../../icons/delete.gif',
tooltip: 'Remove',
handler: function(grid, rowIndex, colIndex) {
var id = grid.store.getAt(rowIndex).get('id');
grid.store.remove(grid.store.getAt(rowIndex));
}
}]
}
],
plugins: [
Ext.create('Ext.grid.plugin.CellEditing', {
clicksToEdit: 1
})
],
store : Ext.create('Ext.data.JsonStore',{
id:'st1',
autoLoad : false,
fields : ['id','name','type','size','percent','status','fileName']
}),
addFileBtnText : 'Add File',
uploadBtnText : 'Upload',
removeBtnText : 'Remove All',
cancelBtnText : 'Cancel',
debug : false,
file_size_limit : 100,//MB
file_types : '*.*',
file_types_description : 'All Files',
file_upload_limit : 50,
file_queue_limit : 0,
post_params : {},
upload_url : 'test.do',
flash_url : "../../js/Swfupload/swfupload.swf",
flash9_url : "../../js/Swfupload/swfupload_fp9.swf",
initComponent : function(){
this.dockedItems = [{
xtype: 'toolbar',
dock: 'top',
items: [
{
xtype:'button',
itemId: 'addFileBtn',
iconCls : 'add',
//   id : '_btn_for_swf_',
text : this.addFileBtnText
},{ xtype: 'tbseparator' },{
xtype : 'button',
itemId : 'uploadBtn',
iconCls : 'openroomiconinfo',
text : this.uploadBtnText,
scope : this,
handler : this.onUpload
},{ xtype: 'tbseparator' },{
xtype : 'button',
itemId : 'removeBtn',
iconCls : 'del_user',
text : this.removeBtnText,
scope : this,
handler : this.onRemove
},{ xtype: 'tbseparator' },{
xtype : 'button',
itemId : 'cancelBtn',
iconCls : 'cancel',
disabled : true,
text : this.cancelBtnText,
scope : this,
handler : this.onCancelUpload
}
]
}];

this.callParent();
this.down('button[itemId=addFileBtn]').on({
afterrender : function(btn){
var config = this.getSWFConfig(btn);
this.swfupload = new SWFUpload(config);
Ext.get(this.swfupload.movieName).setStyle({
position : 'absolute',
top : 0,
left : -2
});
},
scope : this,
buffer:300
});
},
getSWFConfig : function(btn){
var me = this;
var placeHolderId = Ext.id();
var em = btn.getEl().child('em');
if(em==null){
em = Ext.get(btn.getId()+'-btnWrap');
}
em.setStyle({
position : 'relative',
display : 'block'
});
em.createChild({
tag : 'div',
id : placeHolderId
});
return {
debug: me.debug,
flash_url : me.flash_url,
flash9_url : me.flash9_url,
upload_url: me.upload_url,
post_params: me.post_params||{savePath:'upload\\'},
file_size_limit : (me.file_size_limit*1024),
file_types : me.file_types,
file_types_description : me.file_types_description,
file_upload_limit : me.file_upload_limit,
file_queue_limit : me.file_queue_limit,
button_width: em.getWidth(),
button_height: em.getHeight(),
button_window_mode: SWFUpload.WINDOW_MODE.TRANSPARENT,
button_cursor: SWFUpload.CURSOR.HAND,
button_placeholder_id: placeHolderId,
custom_settings : {
scope_handler : me
},
swfupload_preload_handler : me.swfupload_preload_handler,
file_queue_error_handler : me.file_queue_error_handler,
swfupload_load_failed_handler : me.swfupload_load_failed_handler,
upload_start_handler : me.upload_start_handler,
upload_progress_handler : me.upload_progress_handler,
upload_error_handler : me.upload_error_handler,
upload_success_handler : me.upload_success_handler,
upload_complete_handler : me.upload_complete_handler,
file_queued_handler : me.file_queued_handler/*,
file_dialog_complete_handler : me.file_dialog_complete_handler*/
};
},
swfupload_preload_handler : function(){
if (!this.support.loading) {
Ext.Msg.show({
title : '提示',
msg : '浏览器Flash Player版本太低,不能使用该上传功能！',
width : 250,
icon : Ext.Msg.ERROR,
buttons :Ext.Msg.OK
});
return false;
}
},
file_queue_error_handler : function(file, errorCode, message){
switch(errorCode){
case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED : msg('上传文件列表数量超限,不能选择！');
break;
case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT : msg('文件大小超过限制, 不能选择！');
break;
case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE : msg('该文件大小为0,不能选择！');
break;
case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE : msg('该文件类型不允许上传！');
break;
}
function msg(info){
Ext.Msg.show({
title : '提示',
msg : info,
width : 250,
icon : Ext.Msg.WARNING,
buttons :Ext.Msg.OK
});
}
},
swfupload_load_failed_handler : function(){
Ext.Msg.show({
title : '提示',
msg : 'SWFUpload加载失败！',
width : 180,
icon : Ext.Msg.ERROR,
buttons :Ext.Msg.OK
});
},
upload_start_handler : function(file){
var me = this.settings.custom_settings.scope_handler;
me.down('#cancelBtn').setDisabled(false);
var rec = me.store.getById(file.id);
this.setFilePostName(encodeURIComponent(rec.get('fileName')));
},
upload_progress_handler : function(file, bytesLoaded, bytesTotal){
var me = this.settings.custom_settings.scope_handler;
var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);
percent = percent == 100? 99 : percent;
var rec = me.store.getById(file.id);
rec.set('percent', percent);
rec.set('status', file.filestatus);
rec.commit();
},
upload_error_handler : function(file, errorCode, message){
var me = this.settings.custom_settings.scope_handler;
var rec = me.store.getById(file.id);
rec.set('percent', 0);
rec.set('status', file.filestatus);
rec.commit();
},
upload_success_handler : function(file, serverData, responseReceived){
var me = this.settings.custom_settings.scope_handler;
var rec = me.store.getById(file.id);
if(Ext.JSON.decode(serverData).success){
rec.set('percent', 100);
rec.set('status', file.filestatus);
}else{
rec.set('percent', 0);
rec.set('status', SWFUpload.FILE_STATUS.ERROR);
}
rec.commit();
if (this.getStats().files_queued > 0 && this.uploadStopped == false) {
this.startUpload();
}else{
me.showBtn(me,true);
}
},
upload_complete_handler : function(file){

},
file_queued_handler : function(file){
var me = this.settings.custom_settings.scope_handler;
me.store.add({
id : file.id,
name : file.name,
fileName : file.name,
size : file.size,
type : file.type,
status : file.filestatus,
percent : 0
});
},
onUpload : function(){
//alert("count:"+this.store.getCount());
if (this.swfupload&&this.store.getCount()>0) {
if (this.swfupload.getStats().files_queued > 0) {
this.showBtn(this,false);
this.swfupload.uploadStopped = false;
this.swfupload.startUpload();
}
}

},
showBtn : function(me,bl){
me.down('#addFileBtn').setDisabled(!bl);
me.down('#uploadBt
c1ae
n').setDisabled(!bl);
me.down('#removeBtn').setDisabled(!bl);
me.down('#cancelBtn').setDisabled(bl);
if(bl){
me.down('actioncolumn').show();
}else{
me.down('actioncolumn').hide();
}
},
onRemove : function(){
var ds = this.store;
for(var i=0;i<ds.getCount();i++){
var record =ds.getAt(i);
var file_id = record.get('id');
this.swfupload.cancelUpload(file_id,false);
}
ds.removeAll();
this.swfupload.uploadStopped = false;
},
onCancelUpload : function(){
if (this.swfupload) {
this.swfupload.uploadStopped = true;
this.swfupload.stopUpload();
this.showBtn(this,true);
}
}
});

form=Ext.create('Ext.ux.uploadPanel.UploadPanel',{
//   id:'from1',
addFileBtnText : '选择文件',
uploadBtnText : '上传',
removeBtnText : '移除所有文件',
cancelBtnText : '取消上传',
upload_url : '../../upload.htm?type='+type+'&tybh='+tybh
// upload_url : '../../upload.htm'
});

Ext.define('MyApp.upfile',{
extend : 'Ext.window.Window',
alias : 'widget.uploadpanel',
closeAction:'hide',//.....
width : 700,
height : 300,
items:[form]
});

var cwindow = Ext.create('MyApp.upfile',{
//   id:'cwindow'
}).show();

};

var upload=new upload();

<link href="../../js/Ext/resources/ext-theme-neptune/ext-theme-neptune-all.css" rel="stylesheet"    type="text/css" />
<link href="../../js/CSS/main.css" rel="stylesheet" type="text/css" />
<link href="../../js/CSS/Btn.css" rel="stylesheet" type="text/css" />
<link href="../../CSS/UploadPanel.css"/>
<script type="text/javascript" src="../../js/jquery-1.12.1.min.js"></script>
<script type="text/javascript" src="../../js/Ext/bootstrap.js"></script>
<script src="../../js/Ext/ext-lang-zh_CN.js" type="text/javascript"></script>
<script src="../../js/Swfupload/swfupload.js" type="text/javascript"></script>
<script type="text/javascript" src="upload.js"></script>

<td>上传多媒体</td>
<td >
<input type="button" id="dmt" onclick="uploadDmt()"value="上传多媒体">
</td>
<td >上传示意图</td>
<td >
<input type="button" id="syt" onclick="uploadSyt()" value="上传示意图">
</td>

function  uploadDmt(){
var type="dmt";
upload.up(tybh,type);
}

function  uploadSyt(){
var type="syt";
// upload.showCwindow(tybh,type);
upload.up(tybh,type);
}