springboot 项目Maven 依赖< dependency> < groupId> </ groupId> < artifactId> </ artifactId> </ dependency> < dependency> < groupId> </ groupId> < artifactId> </ artifactId> </ dependency> < dependency> < groupId> </ groupId> < artifactId> </ artifactId> </ dependency> application.propertiesspring. mvc . view . prefix = classpath: / templates/
spring. mvc . view . suffix = . html
spring. thymeleaf . cache = false
spring. thymeleaf . encoding = UTF- 8
spring. thymeleaf . emode = HTML
<! DOCTYPE html > < htmlxmlns = " http://www.w3.org/1999/xhtml" xmlns: th= " http://www.thymeleaf.org" > < head> < metacharset = " UTF-8" /> < title> </ title> </ head> < body> < h1th: inlines= " text" > </ h1> < formth: action= " @{fileUpload}" method = " post" enctype = " multipart/form-data" > < p> < inputtype = " file" name = " fileName" /> </ p> < p> < inputtype = " submit" value = " 提交" /> </ p> </ form> </ body> </ html> Controller@Controller
public class FileUploadController {
@PostMapping ( "/fileUpload" )
@ResponseBody
public String fileUpload ( @RequestParam ( "fileName" ) MultipartFile file) {
if ( file. isEmpty ( ) ) {
return "false" ;
}
String fileName = file. getOriginalFilename ( ) ;
int size = ( int ) file. getSize ( ) ;
System . out. println ( fileName + "-->" + size) ;
String path = "E:/test" ;
File dest = new File ( path + "/" + fileName) ;
if ( ! dest. getParentFile ( ) . exists ( ) ) {
dest. getParentFile ( ) . mkdir ( ) ;
}
try {
file. transferTo ( dest) ;
return "true" ;
} catch ( IllegalStateException | IOException e) {
e. printStackTrace ( ) ;
return "false" ;
}
}
}
<! DOCTYPE html > < htmlxmlns = " http://www.w3.org/1999/xhtml" xmlns: th= " http://www.thymeleaf.org" > < head> < metacharset = " UTF-8" /> < title> </ title> </ head> < body> < h1th: inlines= " text" > </ h1> < formth: action= " @{multifileUpload}" method = " post" enctype = " multipart/form-data" > < p> < inputtype = " file" name = " fileName" /> </ p> < p> < inputtype = " file" name = " fileName" /> </ p> < p> < inputtype = " file" name = " fileName" /> </ p> < p> < inputtype = " submit" value = " 提交" /> </ p> </ form> </ body> </ html> Controller@Controller
public class FileUploadController {
@PostMapping ( value = "/multifileUpload" )
@ResponseBody
public String multifileUpload ( HttpServletRequest request) {
List < MultipartFile > = ( ( MultipartHttpServletRequest ) request) . getFiles ( "fileName" ) ;
if ( files. isEmpty ( ) ) {
return "false" ;
}
String path = "E:/test" ;
for ( MultipartFile file : files) {
String fileName = file. getOriginalFilename ( ) ;
int size = ( int ) file. getSize ( ) ;
System . out. println ( fileName + "-->" + size) ;
if ( file. isEmpty ( ) ) {
return "false" ;
}
File dest = new File ( path + "/" + fileName) ;
if ( ! dest. getParentFile ( ) . exists ( ) ) {
dest. getParentFile ( ) . mkdir ( ) ;
}
try {
file. transferTo ( dest) ;
} catch ( Exception e) {
e. printStackTrace ( ) ;
return "false" ;
}
}
return "true" ;
}
}