add module fileUpload

.gitignore

@@ -69,4 +69,5 @@ out
 .DS_Store
 dump.rdb
 *.log
-/bin/
+/bin/
+/singleFileUpload/

pom.xml

@@ -32,6 +32,7 @@
         <module>springboot-learn-freemarker</module>
         <module>springboot-learn-api</module>
         <module>springboot-learn-static-resources</module>
+        <module>springboot-learn-file-upload</module>
     </modules>
 
     <!--引入SpringBootParent的第二种方式-->
@@ -92,6 +93,10 @@
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
     </dependencies>
 
 

springboot-learn-file-upload/pom.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>springboot-learn-integration</artifactId>
+        <groupId>com.futao</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>springboot-learn-file-upload</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+</project>

springboot-learn-file-upload/src/main/java/com/futao/springboot/learn/file/upload/FileUploadApplication.java

@@ -0,0 +1,15 @@
+package com.futao.springboot.learn.file.upload;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * @author futao
+ * Created on 2019-06-28.
+ */
+@SpringBootApplication
+public class FileUploadApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(FileUploadApplication.class, args);
+    }
+}

springboot-learn-file-upload/src/main/java/com/futao/springboot/learn/file/upload/config/WebMvcConfig.java

@@ -0,0 +1,25 @@
+package com.futao.springboot.learn.file.upload.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/**
+ * @author futao
+ * Created on 2019-06-28.
+ */
+@Configuration
+public class WebMvcConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+//        registry.addResourceHandler("/**")
+//                .addResourceLocations("classpath:/static/")
+//                .setCacheControl(CacheControl.noCache());
+
+
+//        registry.addResourceHandler("/singleFileUpload/**")
+//                .addResourceLocations("classpath:/singleFileUpload/")
+//                .setCacheControl(CacheControl.maxAge(10, TimeUnit.DAYS));
+    }
+}

springboot-learn-file-upload/src/main/java/com/futao/springboot/learn/file/upload/controller/FileController.java

@@ -0,0 +1,79 @@
+package com.futao.springboot.learn.file.upload.controller;
+
+import cn.hutool.core.util.RandomUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.util.DigestUtils;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * TODO 上传之后无法访问
+ *
+ * @author futao
+ * Created on 2019-06-28.
+ */
+@Slf4j
+@RestController
+public class FileController {
+    private SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");
+    private static final Map<String, String> FILE_MD5_CACHE = new HashMap<>();
+
+    @GetMapping("/single")
+    public ModelAndView singleFile() {
+        ModelAndView modelAndView = new ModelAndView();
+        modelAndView.setViewName("/singleFileUpload.html");
+        return modelAndView;
+    }
+
+    @PostMapping("/single")
+    public String singleFile(MultipartFile file, HttpServletRequest request) throws IOException {
+        if (file == null) {
+            return "请先选择文件a";
+        }
+        byte[] bytes = file.getBytes();
+        String fileMd5 = DigestUtils.md5DigestAsHex(bytes);
+        String s1 = FILE_MD5_CACHE.get(fileMd5);
+        if (StringUtils.isEmpty(s1)) {
+            log.info("md5:[{}]", fileMd5);
+            String dateString = this.format.format(new Date());
+            File folder = new File(request.getSession().getServletContext().getRealPath("singleFileUpload"));
+            log.info("generate folder:[{}]", folder);
+            folder.mkdir();
+            String filename = file.getOriginalFilename();
+            String randomString = RandomUtil.randomString(16);
+            assert filename != null;
+            String newFileName = randomString + filename.substring(filename.lastIndexOf("."));
+            try {
+                file.transferTo(new File(folder, newFileName));
+            } catch (IOException e) {
+                log.error("上传文件失败:", e);
+                return "上传文件失败";
+            }
+            FILE_MD5_CACHE.put(fileMd5, dateString + "/" + newFileName);
+            return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + "/singleFileUpload/" + dateString + "/" + newFileName;
+        } else {
+            log.info("已存在，直接返回");
+            return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + "/singleFileUpload/" + s1;
+        }
+    }
+
+    @PostMapping("/multiFileUpload")
+    public void multiFileUpload(MultipartFile[] files) {
+        for (MultipartFile file : files) {
+            //upload()
+        }
+    }
+
+}

springboot-learn-file-upload/src/main/resources/application.yml

@@ -0,0 +1,14 @@
+server:
+  port: 8060
+spring:
+  application:
+    name: file-upload
+  servlet:
+    multipart:
+      enabled: true   # 开启文件上传
+      max-file-size: 10GB
+      resolve-lazily: true
+      max-request-size: 100GB
+
+
+#singleFileUploadPath: /Users/futao/src/backend/fun/springboot-learn-integration/springboot-learn-file-upload/src/main/resources/singleFileUpload

springboot-learn-file-upload/src/main/resources/static/singleFileUpload.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+<form action="/single" method="post" enctype="multipart/form-data">
+    <input type="file" name="file" value="choose file to upload,please"/>
+    <input type="submit" value="提交"/>
+</form>
+</body>
+</html>