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Commit5630d07

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add spring-boot-file-upload
1 parentd947015 commit5630d07

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10 files changed

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‎README.md‎

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@@ -40,8 +40,7 @@ Spring Boot 使用的各种示例，以最简单、最实用为标准，此开
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-[spring-boot-package](https://github.com/ityouknow/spring-boot-examples/tree/master/spring-boot-package)：Spring Boot 3.0 单元测试、集成测试、打 Jar/War 包、定制启动参数使用案例
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-[spring-boot-web-thymeleaf](https://github.com/ityouknow/spring-boot-examples/tree/master/spring-boot-web-thymeleaf)：Spring Boot 3.0 thymeleaf 增删该查示例
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-[spring-boot-jpa-thymeleaf-curd](https://github.com/ityouknow/spring-boot-examples/tree/master/spring-boot-jpa-thymeleaf-curd)：Spring Boot 3.0 Jpa thymeleaf 列表、增删改查使用案例
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-[spring-boot-file-upload](https://github.com/ityouknow/spring-boot-examples/tree/master/spring-boot-file-upload)：Spring Boot 3.0 上传文件使用案例
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‎spring-boot-file-upload/pom.xml‎

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<projectxmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
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http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.neo</groupId>
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<artifactId>spring-boot-file-upload</artifactId>
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<packaging>jar</packaging>
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<version>1.0</version>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>3.0.0</version>
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<relativePath/><!-- lookup parent from repository-->
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>17</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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packagecom.neo;
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importorg.apache.coyote.http11.AbstractHttp11Protocol;
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importorg.springframework.boot.SpringApplication;
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importorg.springframework.boot.autoconfigure.SpringBootApplication;
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importorg.springframework.boot.web.embedded.tomcat.TomcatConnectorCustomizer;
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importorg.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
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importorg.springframework.context.annotation.Bean;
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@SpringBootApplication
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publicclassFileUploadWebApplication {
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publicstaticvoidmain(String[]args)throwsException {
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SpringApplication.run(FileUploadWebApplication.class,args);
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}
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//Tomcat large file upload connection reset
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@Bean
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publicTomcatServletWebServerFactorytomcatEmbedded() {
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TomcatServletWebServerFactorytomcat =newTomcatServletWebServerFactory();
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tomcat.addConnectorCustomizers((TomcatConnectorCustomizer)connector -> {
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if ((connector.getProtocolHandler()instanceofAbstractHttp11Protocol<?>)) {
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//-1 means unlimited
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((AbstractHttp11Protocol<?>)connector.getProtocolHandler()).setMaxSwallowSize(-1);
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}
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});
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returntomcat;
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}
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}
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packagecom.neo.controller;
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importorg.springframework.web.bind.annotation.ControllerAdvice;
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importorg.springframework.web.bind.annotation.ExceptionHandler;
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importorg.springframework.web.multipart.MultipartException;
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importorg.springframework.web.servlet.mvc.support.RedirectAttributes;
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@ControllerAdvice
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publicclassGlobalExceptionHandler {
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//https://jira.spring.io/browse/SPR-14651
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//4.3.5 supports RedirectAttributes redirectAttributes
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@ExceptionHandler(MultipartException.class)
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publicStringhandleError1(MultipartExceptione,RedirectAttributesredirectAttributes) {
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System.out.printf(e.getMessage());
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redirectAttributes.addFlashAttribute("message",e.getMessage());
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return"redirect:/uploadStatus";
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}
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}
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packagecom.neo.controller;
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importorg.springframework.stereotype.Controller;
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importorg.springframework.web.bind.annotation.GetMapping;
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importorg.springframework.web.bind.annotation.PostMapping;
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importorg.springframework.web.bind.annotation.RequestParam;
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importorg.springframework.web.multipart.MultipartFile;
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importorg.springframework.web.servlet.mvc.support.RedirectAttributes;
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importjava.io.IOException;
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importjava.nio.file.Files;
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importjava.nio.file.Path;
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importjava.nio.file.Paths;
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@Controller
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publicclassUploadController {
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//Save the uploaded file to this folder
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privatestaticStringUPLOADED_FOLDER ="E://temp//";
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@GetMapping("/")
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publicStringindex() {
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return"upload";
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}
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@PostMapping("/upload")// //new annotation since 4.3
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publicStringsingleFileUpload(@RequestParam("file")MultipartFilefile,
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RedirectAttributesredirectAttributes) {
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if (file.isEmpty()) {
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redirectAttributes.addFlashAttribute("message","Please select a file to upload");
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return"redirect:uploadStatus";
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}
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try {
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// Get the file and save it somewhere
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byte[]bytes =file.getBytes();
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Pathdir =Paths.get(UPLOADED_FOLDER);
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Pathpath =Paths.get(UPLOADED_FOLDER +file.getOriginalFilename());
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// Create parent dir if not exists
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if(!Files.exists(dir)) {
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Files.createDirectories(dir);
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}
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Files.write(path,bytes);
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redirectAttributes.addFlashAttribute("message",
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"You successfully uploaded '" +file.getOriginalFilename() +"'");
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}catch (IOExceptione) {
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redirectAttributes.addFlashAttribute("message","Server throw IOException");
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e.printStackTrace();
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}
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return"redirect:/uploadStatus";
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}
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@GetMapping("/uploadStatus")
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publicStringuploadStatus() {
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return"uploadStatus";
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}
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}
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#http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#common-application-properties
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#search multipart
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spring.servlet.multipart.max-file-size=10000MB
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spring.servlet.multipart.max-request-size=10000MB
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<?xml version="1.0" encoding="UTF-8"?>
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<configuration>
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<appendername="STDOUT"class="ch.qos.logback.core.ConsoleAppender">
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<layoutclass="ch.qos.logback.classic.PatternLayout">
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<Pattern>
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%d{yyyy-MM-dd HH:mm:ss} %-5level %logger{36} - %msg%n
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</Pattern>
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</layout>
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</appender>
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<loggername="org.springframework.web"level="error"additivity="false">
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<appender-refref="STDOUT"/>
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</logger>
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<loggername="com.neo"level="debug"additivity="false">
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<appender-refref="STDOUT"/>
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</logger>
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<rootlevel="error">
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<appender-refref="STDOUT"/>
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</root>
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</configuration>
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<formid='myupload'action='http://localhost:8080/uploadSign'method='post'enctype='multipart/form-data'>
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<divclass="demo">
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<divclass="btn">
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<span>添加附件</span>
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<inputid="fileupload"type="file"name="file1"></div>
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<divclass="progress">
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<spanclass="bar"></span>
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<spanclass="percent">0%</span></div>
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<!-- 显示已上传的文件名 -->
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<divclass="files"></div>
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<!-- 显示已上传的图片-->
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<divclass="showimg"></div>
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</div>
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<inputtype="submit"onclick="gosubmit2()"/></form>
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<scriptsrc="https://cdn.bootcss.com/jquery/1.6.4/jquery.js"></script>
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<scripttype="text/javascript"src="https://cdn.bootcss.com/jquery.form/4.1.0/jquery.form.min.js"></script>
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<scripttype="text/javascript">varbar=$('.bar');//进度条
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varpercent=$('.percent');//获取上传百分比
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varshowimg=$('.showimg');//显示图片的div
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varprogress=$('.progress');//显示进度的div
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varfiles=$('.files');//文件上传控件的input元素
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varbtn=$('.btn span');//按钮文本
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functiongosubmit2(){
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$("#myupload").ajaxSubmit({
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dataType:'json',
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//返回数据类型
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beforeSend:function(){
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showimg.empty();
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progress.show();
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varpercentVal='0%';
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bar.width(percentVal);
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percent.html(percentVal);
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btn.html('上传中..');
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},
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//更新进度条事件处理代码
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uploadProgress:function(event,position,total,percentComplete){
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varpercentVal=percentComplete+'%';
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bar.width(percentVal);
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percent.html(percentVal);
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},
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success:function(data){//图片上传成功时
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//获取服务器端返回的文件数据
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alert(data.name+","+data.pic+","+data.size);
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},
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error:function(xhr){
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btn.html(上传失败);
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bar.width('0');
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files.html(xhr.responseText);
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}
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});
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}</script>
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<!DOCTYPE html>
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<htmlxmlns:th="http://www.thymeleaf.org">
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<body>
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<h1>Spring Boot file upload example</h1>
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<formmethod="POST"action="/upload"enctype="multipart/form-data">
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<inputtype="file"name="file"/><br/><br/>
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<inputtype="submit"value="Submit"/>
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</form>
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</body>
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</html>
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<!DOCTYPE html>
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<htmllang="en"xmlns:th="http://www.thymeleaf.org">
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<body>
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<h1>Spring Boot - Upload Status</h1>
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<divth:if="${message}">
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<h2th:text="${message}"/>
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</div>
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</body>
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</html>

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