1、注解
<!-- 上传文件bean -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="utf-8" />
<property name="maxUploadSize" value="10485760000" />
<property name="maxInMemorySize" value="40960" />
</bean>
<!-- 处理文件上传 -->
<!-- <bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver" >
<property name="defaultEncoding" value="gbk"/> 默认编码 (ISO-8859-1)
<property name="maxInMemorySize" value="10240"/> 最大内存大小 (10240)
<property name="uploadTempDir" value="/upload/"/> 上传后的目录名 (WebUtils#TEMP_DIR_CONTEXT_ATTRIBUTE)
<property name="maxUploadSize" value="-1"/> 最大文件大小，-1为无限止(-1)
</bean> -->
2、upload.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>测试springmvc中上传的实现</title>
</head>
<body>
<form action="upload.do" method="post" enctype="multipart/form-data">
<input type="text" name="name" />
<input type="file" name="file" />
<input type="submit" />
</form>
</body>
</html>
3、load_ok.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<h1>上传成功！</h1>
</body>
</html>
4、upload_error.jsp
<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<h1>上传失败！</h1>
</body>
</html>
5、主代码
import java.io.File;
import java.util.Date;
import javax.servlet.ServletContext;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.context.ServletContextAware;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
@Controller
public class FileUploadController implements ServletContextAware {
private ServletContext servletContext;
public void setServletContext(ServletContext context) {
this.servletContext=context;
}
public ServletContext getServletContext() {
return servletContext;
}
@RequestMapping(value="/upload.do",method=RequestMethod.POST)
public String handlerUploadDate(String name,@RequestParam("file")CommonsMultipartFile file){
if(!file.isEmpty()){
String path=this.servletContext.getRealPath("/upload/"); //获取本地存储路径
String fileName=file.getOriginalFilename();
String fileType=fileName.substring(fileName.lastIndexOf("."));
File file2=new File(path, new Date().getTime()+fileType); //新建一个文件
System.out.println(fileType);
try {
file.getFileItem().write(file2);//将上传的文件写入新建的文件中
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("姓名："+name+"文件名:"+fileName+"本地存储路径为:"+path);
return "redirect:upload_ok.jsp";
} else{
return "redirect:upload_error.jsp";
}
}
}
