addShop error addShopImg error:null 添加图片为空

异常：
"C:\Program Files\Java\jdk1.8.0_171\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:D:\IDEA\IntelliJ IDEA 2019.1\lib\idea_rt.jar=4429:D:\IDEA\IntelliJ IDEA 2019.1\bin" -Dfile.encoding=UTF-8 -classpath "D:\IDEA\IntelliJ IDEA 2019.1\lib\idea_rt.jar;D:\IDEA\IntelliJ IDEA 2019.1\plugins\junit\lib\junit-rt.jar;D:\IDEA\IntelliJ IDEA 2019.1\plugins\junit\lib\junit5-rt.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_171\jre\lib\rt.jar;E:\imooc\projects\o2o\target\test-classes;E:\imooc\projects\o2o\target\classes;D:\maven\maven-3.6.0\repository\junit\junit\4.12\junit-4.12.jar;D:\maven\maven-3.6.0\repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;D:\maven\maven-3.6.0\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;D:\maven\maven-3.6.0\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;D:\maven\maven-3.6.0\repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-core\4.3.7.RELEASE\spring-core-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\commons-logging\commons-logging\1.2\commons-logging-1.2.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-beans\4.3.7.RELEASE\spring-beans-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-context\4.3.7.RELEASE\spring-context-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-aop\4.3.7.RELEASE\spring-aop-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-expression\4.3.7.RELEASE\spring-expression-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-jdbc\4.3.7.RELEASE\spring-jdbc-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-tx\4.3.7.RELEASE\spring-tx-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-web\4.3.7.RELEASE\spring-web-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-webmvc\4.3.7.RELEASE\spring-webmvc-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\org\springframework\spring-test\4.3.7.RELEASE\spring-test-4.3.7.RELEASE.jar;D:\maven\maven-3.6.0\repository\javax\servlet\javax.servlet-api\3.1.0\javax.servlet-api-3.1.0.jar;D:\maven\maven-3.6.0\repository\com\fasterxml\jackson\core\jackson-databind\2.8.7\jackson-databind-2.8.7.jar;D:\maven\maven-3.6.0\repository\com\fasterxml\jackson\core\jackson-annotations\2.8.0\jackson-annotations-2.8.0.jar;D:\maven\maven-3.6.0\repository\com\fasterxml\jackson\core\jackson-core\2.8.7\jackson-core-2.8.7.jar;D:\maven\maven-3.6.0\repository\commons-collections\commons-collections\3.2\commons-collections-3.2.jar;D:\maven\maven-3.6.0\repository\org\mybatis\mybatis\3.4.2\mybatis-3.4.2.jar;D:\maven\maven-3.6.0\repository\org\mybatis\mybatis-spring\1.3.1\mybatis-spring-1.3.1.jar;D:\maven\maven-3.6.0\repository\mysql\mysql-connector-java\8.0.16\mysql-connector-java-8.0.16.jar;D:\maven\maven-3.6.0\repository\com\google\protobuf\protobuf-java\3.6.1\protobuf-java-3.6.1.jar;D:\maven\maven-3.6.0\repository\c3p0\c3p0\0.9.1.2\c3p0-0.9.1.2.jar;D:\maven\maven-3.6.0\repository\net\coobird\thumbnailator\0.4.8\thumbnailator-0.4.8.jar;D:\maven\maven-3.6.0\repository\com\github\penggle\kaptcha\2.3.2\kaptcha-2.3.2.jar;D:\maven\maven-3.6.0\repository\com\jhlabs\filters\2.0.235-1\filters-2.0.235-1.jar;D:\maven\maven-3.6.0\repository\commons-fileupload\commons-fileupload\1.3.2\commons-fileupload-1.3.2.jar;D:\maven\maven-3.6.0\repository\commons-io\commons-io\2.2\commons-io-2.2.jar;D:\maven\maven-3.6.0\repository\redis\clients\jedis\2.9.0\jedis-2.9.0.jar;D:\maven\maven-3.6.0\repository\org\apache\commons\commons-pool2\2.4.2\commons-pool2-2.4.2.jar" com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 -junit4 com.imooc.o2o.Service.ShopServiceTest,testAddShop
三月 17, 2020 12:19:05 上午 org.springframework.test.context.support.DefaultTestContextBootstrapper getDefaultTestExecutionListenerClassNames
信息: Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]
三月 17, 2020 12:19:05 上午 org.springframework.test.context.support.DefaultTestContextBootstrapper getTestExecutionListeners
信息: Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@2d3fcdbd, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@617c74e5, org.springframework.test.context.support.DependencyInjectionTestExecutionListener@6537cf78, org.springframework.test.context.support.DirtiesContextTestExecutionListener@67b6d4ae, org.springframework.test.context.transaction.TransactionalTestExecutionListener@34b7bfc0, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@366e2eef]
三月 17, 2020 12:19:05 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [spring/spring-dao.xml]
三月 17, 2020 12:19:05 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [spring/spring-service.xml]
三月 17, 2020 12:19:06 上午 org.springframework.context.support.GenericApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.GenericApplicationContext@8bd1b6a: startup date [Tue Mar 17 00:19:06 CST 2020]; root of context hierarchy
三月 17, 2020 12:19:06 上午 com.mchange.v2.log.MLog <clinit>
信息: MLog clients using java 1.4+ standard logging.
三月 17, 2020 12:19:07 上午 com.mchange.v2.c3p0.C3P0Registry banner
信息: Initializing c3p0-0.9.1.2 [built 21-May-2007 15:04:56; debug? true; trace: 10]
三月 17, 2020 12:19:08 上午 com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager
信息: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 2, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 10000, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -> 1hge13ca81raucym13t1s5p|10e31a9a, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> com.mysql.cj.jdbc.Driver, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge13ca81raucym13t1s5p|10e31a9a, idleConnectionTestPeriod -> 0, initialPoolSize -> 3, jdbcUrl -> jdbc:mysql://localhost:3306/o2o?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 0, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 40, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 10, numHelperThreads -> 3, numThreadsAwaitingCheckoutDefaultUser -> 0, preferredTestQuery -> null, properties -> {user=******, password=******}, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false ]
2020-03-17 00:19:09.331 [main] DEBUG com.imooc.o2o.dao.ShopDao.insertShop - ==>  Preparing: insert into tb_shop(owner_id, area_id, shop_category_id, shop_name, shop_desc, shop_addr, phone, shop_img, priority, create_time, last_edit_time, enable_status, advice) VALUES (?,?,?,?, ?,?,?,?,?, ?,?, ?,?) 
2020-03-17 00:19:09.384 [main] DEBUG com.imooc.o2o.dao.ShopDao.insertShop - ==> Parameters: 1(Long), 2(Integer), 1(Long), 测试的店铺名称11(String), test11(String), test11 addr(String), 1875583105(String), null, null, 2020-03-17 00:19:09.308(Timestamp), 2020-03-17 00:19:09.308(Timestamp), 0(Integer), 审核中(String)
2020-03-17 00:19:09.386 [main] DEBUG com.imooc.o2o.dao.ShopDao.insertShop - <==    Updates: 1

com.imooc.o2o.exceptions.ShopOperationException: addShop error addShopImg error:null

	at com.imooc.o2o.service.impl.ShopServiceImpl.addShop(ShopServiceImpl.java:63)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
	at com.sun.proxy.$Proxy23.addShop(Unknown Source)
	at com.imooc.o2o.Service.ShopServiceTest.testAddShop(ShopServiceTest.java:50)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)

三月 17, 2020 12:19:09 上午 org.springframework.context.support.GenericApplicationContext doClose
信息: Closing org.springframework.context.support.GenericApplicationContext@8bd1b6a: startup date [Tue Mar 17 00:19:06 CST 2020]; root of context hierarchy

Process finished with exit code -1

代码：
@Service
public class ShopServiceImpl implements ShopService {
    @Autowired
    private ShopDao shopDao;
    @Override
    @Transactional
    public ShopExecution addShop(Shop shop, File shopImg) {
        //空值判断
        if(shop ==null){
            return new ShopExecution(ShopStateEnum.NULL_SHOP);
        }
        try{
            //给店铺信息赋值初始值
            shop.setEnableStatus(0);
            shop.setCreateTime(new Date());
            shop.setLastEditTime(new Date());
            int effectedNum  = shopDao.insertShop(shop);
            //添加店铺信息
            if(effectedNum <=0){
                //使用ShopOperationException抛出异常，创建店铺失败时候，事务才会回滚。而Exception 不会回滚
                throw  new ShopOperationException("创建店铺失败");
            }else {
                if(shopImg !=null){
                    //存储图片
                    try {
                        addShopImg(shop, shopImg);
                        System.out.println("shop:"+shop);
                        System.out.println("shopImg:"+shopImg);
                    }catch (Exception e){
                        throw new ShopOperationException("addShopImg error:"+e.getMessage());
                    }
                    //更新店铺的图片地址
                    effectedNum = shopDao.updateShop(shop);
                    if(effectedNum <=0){
                        throw  new ShopOperationException("update shopImg addr error");
                    }
                }
            }
        }catch (Exception e){
            throw  new ShopOperationException("addShop error "+e.getMessage());
        }
        return new ShopExecution(ShopStateEnum.CHECK,shop);
    }

    private void addShopImg(Shop shop, File shopImg) {
        //获取shop图片目录的相对值路径
        String dest = PathUtils.getShopImagePath(shop.getShopId());
        try {
            String shopImgAddr = ImageUtil.generateThumbnail(shopImg, dest);
            shop.setShopImg(shopImgAddr);
        }catch ( Exception e){
            e.getMessage();
        }

    }
}

@Test
public void testAddShop(){
    Shop shop = new Shop();
    PersonInfo owner = new PersonInfo();
    Area area = new Area();
    ShopCategory shopCategory = new ShopCategory();
    owner.setUserId(1L);
    area.setAreaId(2);
    shopCategory.setShopCategoryId(1L);
    shop.setOwner(owner);
    shop.setArea(area);
    shop.setShopCategory(shopCategory);
    shop.setShopName("测试的店铺名称11");
    shop.setShopDesc("test11");
    shop.setShopAddr("test11 addr");
    shop.setPhone("1875583105");
    shop.setCreateTime(new Date());
    shop.setEnableStatus(ShopStateEnum.CHECK.getState());
    shop.setAdvice("审核中");
    File shopImg = new File("E:/imooc/bgImage.jpg");
    ShopExecution se = shopService.addShop(shop,shopImg);
    assertEquals(ShopStateEnum.CHECK.getState(),se.getState());
}
@Test
public  void test(){
    File shopImg = new File("E:/imooc/bgImage.jpg");
    System.out.println(shopImg);
}

package com.imooc.o2o.util;

/**
 * @author zcc
 * @date 2020/3/16 21:35
 * @description
 */

public class PathUtils {
    public static String seperator = System.getProperty("file.seperator");

    public static String getImgBasePath() {
        String os = System.getProperty("os.name");
        String basePath = "";
        if (os.toLowerCase().startsWith("win")) {
            basePath = "E:/imooc/image/";

        } else {
            basePath = "/home/xiangze/image/";
        }
        basePath = basePath.replace("/", seperator);
        return basePath;
    }

    public static String getShopImagePath(long shopId) {
        String imagePath = "upload/item/shop/" + shopId + "/";
        return imagePath.replace("/", seperator);
    }
}

package com.imooc.o2o.util;

import net.coobird.thumbnailator.Thumbnails;
import net.coobird.thumbnailator.geometry.Positions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.multipart.commons.CommonsMultipartFile;

import javax.imageio.ImageIO;
import java.io.File;
import java.io.IOException;
import java.net.URLDecoder;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;

/**
 * @author zcc
 * @date 2020/3/10 16:52
 * @description
 */

public class ImageUtil {
    private  static  String basePath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
    private  static  final SimpleDateFormat sDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
    private  static  final Random r = new Random();
    private static Logger logger = LoggerFactory.getLogger(ImageUtil.class);

    /**
     * 将CommonsMultipartFile 装换成file类
     * @param cFile
     * @return
     */
    public static File transferCommonsMultipartFile(CommonsMultipartFile cFile){
        File newFile = new File(cFile.getOriginalFilename());
        try {
            cFile.transferTo(newFile);
        } catch (IOException e) {
            logger.error(e.toString());
            e.printStackTrace();
        }
        return  newFile;
    }

    /**
     * 处理缩略图，并返回新生成图片的相对值路径
     * @param thumbnail
     * @param targetAddr
     * @return
     */
    public static String generateThumbnail(File thumbnail,String targetAddr){
        String realFileName =getRandomFileName();
        String extension =getFileExtension(thumbnail);
        makeDirPath(targetAddr);
        String relativeAddr  = targetAddr +realFileName+extension;
        logger.error("current relativeAddr is:"+relativeAddr);
        File dest = new File (PathUtils.getImgBasePath()+ relativeAddr);
        logger.error("current complete addr is:"+PathUtils.getImgBasePath()+relativeAddr);
        try{
            Thumbnails.of(thumbnail).size(200,200)
                    .watermark(Positions.BOTTOM_RIGHT, ImageIO.read(new File(basePath+"/watermark.jpg")),0.25f)
                    .outputQuality(0.8f).toFile(dest);
        }catch (IOException e){
            logger.error(e.toString());
            e.printStackTrace();
        }
        return relativeAddr;
    }

    /**
     * 创建目标路径所涉及的目录，即/home/work/xiangzai/xx.jpg
     * 那么 home work xiangzai 这三个文件夹都得自动创建
     * @param targetAddr
     */
    private static void makeDirPath(String targetAddr) {
        String realFileParentPath = PathUtils.getImgBasePath()+targetAddr;
        File dirPath = new File(realFileParentPath);
        if(!dirPath.exists()){
            dirPath.mkdirs();
        }
    }

    /**
     * 获取输入文件扩展名
     * @param thumbnail
     * @return
     */
    private static String getFileExtension(File thumbnail) {
        String originalFileName = thumbnail.getName();
        return originalFileName.substring(originalFileName.lastIndexOf("."));
    }

    /**
     * 生成随机文件名，当前时间年月日时分秒加5位随机数
     */

    private static String getRandomFileName() {
        //获取随机5位数
        int rannum = r.nextInt(89999)+10000;
        String nowTimeStr = sDateFormat.format(new Date());
        return nowTimeStr+rannum;
    }

    public static void main(String[] args) throws IOException {
        basePath = basePath.substring(1,basePath.lastIndexOf("/"))+"/watermark.jpg";
        System.out.println(basePath);

        String inputfile ="E:/imooc/bgImage.jpg";
        inputfile = URLDecoder.decode(inputfile,"utf-8");
        String targetfile = "E:/imooc/bgImage2.jpg";
        targetfile = URLDecoder.decode(targetfile,"utf-8");

        Thumbnails.of(new File(inputfile)).size(200,200)
                .watermark(Positions.BOTTOM_RIGHT, ImageIO.read(new File("E:\\imooc\\projects\\o2o\\src\\main\\resources\\watermark.jpg")),0.25f)
                .outputQuality(0.8f).toFile(targetfile);
 }
}

怎么回事？