視頻下載：
前臺 jsp
function downVideo(value,row,index){
return
'<a href="<%=basePath%>admin/video/video!fileDown.ds?uname='+row.uname+'&filepath='+value+'">下載</a>'
;
}
后臺java ：
action：
public
void
fileDown() {
FileUtil.download(filepath, getRequest().getParameter(
"uname")+filepath.substring(filepath.lastIndexOf("."
),filepath.length()), getResponse());
}
FileUtil：
public
static
void
download(String filepath, String filename, HttpServletResponse response) {
response.setContentType(
"application/x-download;charset=utf-8"
);
OutputStream outp
=
null
;
FileInputStream in
=
null
;
try
{
response.addHeader(
"Content-Disposition", "attachment;filename="+
new
String(filename.getBytes("gbk"),"ISO-8859-1"
));
in
=
new
FileInputStream(ServletActionContext.getServletContext().getRealPath("/")+
filepath);
outp
=
response.getOutputStream();
}
catch
(UnsupportedEncodingException e1) {
e1.printStackTrace();
}
catch
(FileNotFoundException e) {
e.printStackTrace();
}
catch
(IOException e) {
e.printStackTrace();
}
byte
[] b =
new
byte
[1024
];
int
i = 0
;
try
{
while
((i = in.read(b, 0, 1024)) != -1
) {
outp.write(b,
0
, i);
outp.flush();
}
}
catch
(IOException e) {
e.printStackTrace();
}
finally
{
if
(in !=
null
) {
try
{
in.close();
}
catch
(IOException e) {
e.printStackTrace();
}
in
=
null
;
}
if
(outp !=
null
) {
outp
=
null
;
}
}
}
tomcat 配置編碼為utf-8
在tomcat servlet.xml里面 第69行加上 URIEncoding="UTF-8"
<
Connector
port
="8080"
protocol
="HTTP/1.1"
URIEncoding
="UTF-8"
connectionTimeout
="20000"
redirectPort
="8443"
/>
圖片上傳限制大小
<
form
id
="financialForm"
action
="<%=basePath%>riskcontrol/website/review_borrow!financialUplaod.ds"
method
="post"
enctype
="multipart/form-data"
onsubmit
="return checkusertype()"
>
<
input
type
="hidden"
name
="usreId"
value
="<%=_usreId%>"
/>
<
input
type
="hidden"
name
="borrowId"
value
="<%=_borrowId%>"
/>
<
input
type
="file"
name
="image"
multiple
="multiple"
id
="financialImages"
/>
<
input
type
="submit"
value
="開始上傳"
/>
</
form
>
<script type="text/javascript">
function
checkusertype(){
var
usertype="${login_session_key.userType}"
;
if
(!(usertype==2||usertype==11
)){
alert(
"只有財務風控或者 總部客服可以上傳復審材料"
);
return
false
;
}
else
{
return
submitFile();
}
}
function
submitFile(){
var
fileArr = document.getElementById("financialImages"
).files;
if
(fileArr.length==0
){
alert(
'請選擇上傳的圖片!'
);
return
false
;
}
for
(
var
i=0;i<fileArr.length;i++
){
var
imageName=
fileArr[i].name;
var
extStart=imageName.lastIndexOf("."
);
var
ext=
imageName.substring(extStart,imageName.length).toUpperCase();
if
(ext!=".PNG"&&ext!=".JPEG"&&ext!=".JPG"&&ext!=".BMP"
){
alert(
"圖片限于PNG,JPEG,JPG,BHMP格式"
);
return
false
;
}
var
filesize = fileArr[i].size/1024;
if
(parseInt(filesize)>300
){
alert(
'圖片不能大于300KB'
);
return
false
;
}
//
$('#financialForm').submit();
}
}
</script>
?
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