JavaWEB SSH文件上传

<td>上传资质：</td>
	<td>
		<input type="file" name="upload"> 					
	</td>

package com.home.utils;

import java.util.UUID;

/**
 * 文件上床的工具类
 * @author Administrator
 *
 */
public class UploadUtils {
	/**
	 * 传入文件名称，返回唯一的名称
	 * @param filename
	 * @return
	 */
	public static String getUUIDName(String filename){
		//先查找 从后往前找
		int index = filename.lastIndexOf(".");
		//截取后缀名
		String lastname = filename.substring(index,filename.length());
		//System.out.println(filename);
		//唯一字符串
		String uuid = UUID.randomUUID().toString().replace("-", "");//默认带有-
		
		return uuid+lastname;
	}
	public static void main(String[] args) {
		String filename = "gril.jsp";
		System.out.println(getUUIDName(filename));
	}
}

/**
	 * 文件上传，需要在Action类中定义成员的属性，命名是有规则的！！
	 * private File upload;  //表示要上传的文件（与前台name一致） io包的File类
	 * private String uploadFileName; //表示上传文件的名称（没有中文乱码--已解决）
	 * private String uploadContentType;//表示上传文件的MIME类型
	 * 提供set方法，拦截器就注入值了
	 */
	private File upload;
	private String uploadFileName;
	private String uploadContentType;

	public void setUpload(File upload) {
		this.upload = upload;
	}

	public void setUploadFileName(String uploadFileName) {
		this.uploadFileName = uploadFileName;
	}

	public void setUploadContentType(String uploadContentType) {
		this.uploadContentType = uploadContentType;
	}
	
	public String save() throws IOException{
		//做文件的上传，说明用户选择了上传的文件
		if (uploadFileName!=null) {
			//打印
			//System.out.println("文件名称："+uploadFileName);
			System.out.println("文件类型："+uploadContentType);
			//把名称处理一下
			String uuidname = UploadUtils.getUUIDName(uploadFileName);
			//把文件上传到D:\\Tomcat8.0\\webapps\\upload
			String path = "D:\\Tomcat8.0\\webapps\\upload\\";
			//创建file对象
			File file = new File(path+uuidname);
			//简单方式
			FileUtils.copyFile(upload, file);//导org.apache.commons.io的包
			
			//把文件上传的路径，保存到客户表中
			customer.setFilepath(path+uuidname);
		}
		customerService.save(customer);
		return "save";
	}

<!-- 设置上传文件总大小 -->
	<constant name="struts.multipart.maxSize" value="20971520"></constant>

<!-- 引入默认拦截器 -->
			<interceptor-ref name="defaultStack">
				<!-- 决定上传文件的类型 -->
				<param name="fileUpload.allowedExtensions">.jpg,.txt</param>
			</interceptor-ref>