init

src/main/java/com/reyun/dmp/controller/FileUploadController.java

-package com.reyun.dmp.controller;
-
-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.bind.annotation.ResponseBody;
-import org.springframework.web.multipart.MultipartFile;
-import org.springframework.web.multipart.MultipartHttpServletRequest;
-
-import javax.servlet.http.HttpServletRequest;
-import java.io.*;
-import java.util.List;
-
-/**
- * 文件上传controller
- *
- * @author wangjf
- * @email wangjinfeng@reyun.com
- * @date 2018年03月21日15:10:13
- */
-@Controller
-public class FileUploadController {
-
-    // 单文件访问路径为：http://ip:port/upload
-    @RequestMapping(value = "/upload", method = RequestMethod.GET)
-    public String upload() {
-        return "/fileupload";
-    }
-
-    // 批量文件访问路径为：http://ip:port/upload/batch
-    @RequestMapping(value = "/upload/batch", method = RequestMethod.GET)
-    public String batchUpload() {
-        return "/mutifileupload";
-    }
-
-    /**
-     *
-     * 文件上传具体实现方法（单文件）
-     *
-     * @param account_id
-     * @param user_id_type
-     * @param tag_id
-     * @param open_app_id
-     * @param file
-     * @return
-     */
-    @RequestMapping(value = "/upload", method = RequestMethod.POST)
-    @ResponseBody
-    public String upload(@RequestParam(value = "account_id", required = false) String account_id, @RequestParam(value = "user_id_type", required = false) String user_id_type,
-                         @RequestParam(value = "tag_id", required = false) String tag_id, @RequestParam(value = "open_app_id", required = false) String open_app_id,
-                         @RequestParam("file") MultipartFile file) {
-        if (!file.isEmpty()) {
-            try {
-                // 这里只是简单例子，文件直接输出到项目路径下。
-                // 实际项目中，文件需要输出到指定位置，需要在增加代码处理。
-                // 还有关于文件格式限制、文件大小限制，详见：中配置。
-                BufferedOutputStream out = new BufferedOutputStream(
-                        new FileOutputStream(new File(file.getOriginalFilename())));
-                out.write(file.getBytes());
-                out.flush();
-                out.close();
-            } catch (FileNotFoundException e) {
-                e.printStackTrace();
-                return "上传失败," + e.getMessage();
-            } catch (IOException e) {
-                e.printStackTrace();
-                return "上传失败," + e.getMessage();
-            }
-            return "上传成功";
-        } else {
-            return "上传失败，因为文件是空的.";
-        }
-    }
-
-    /**
-     * 多文件上传 主要是使用了MultipartHttpServletRequest和MultipartFile
-     *
-     * @param request
-     * @return
-     */
-    @RequestMapping(value = "/upload/batch", method = RequestMethod.POST)
-    public @ResponseBody
-    String batchUpload(HttpServletRequest request) {
-        List<MultipartFile> files = ((MultipartHttpServletRequest) request).getFiles("file");
-        MultipartFile file = null;
-        BufferedOutputStream stream = null;
-        for (int i = 0; i < files.size(); ++i) {
-            file = files.get(i);
-            if (!file.isEmpty()) {
-                try {
-                    byte[] bytes = file.getBytes();
-                    stream = new BufferedOutputStream(new FileOutputStream(new File(file.getOriginalFilename())));
-                    stream.write(bytes);
-                    stream.close();
-                } catch (Exception e) {
-                    stream = null;
-                    return "You failed to upload " + i + " => " + e.getMessage();
-                }
-            } else {
-                return "You failed to upload " + i + " because the file was empty.";
-            }
-        }
-        return "upload successful";
-    }
-}
\ No newline at end of file
+package com.reyun.dmp.controller;
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.bind.annotation.ResponseBody;import org.springframework.web.multipart.MultipartFile;import org.springframework.web.multipart.MultipartHttpServletRequest;
import javax.servlet.http.HttpServletRequest;import java.io.*;import java.util.List;
/**
 * 文件上传controller
 *
 * @author wangjf
 * @email wangjinfeng@reyun.com
 * @date 2018年03月21日15:10:13
 */@Controllerpublic class FileUploadController {

    // 单文件访问路径为：http://ip:port/upload
    @RequestMapping(value = "/upload", method = RequestMethod.GET)
    public String upload() {
        return "/fileupload";
    }

    // 批量文件访问路径为：http://ip:port/upload/batch
    @RequestMapping(value = "/upload/batch", method = RequestMethod.GET)
    public String batchUpload() {
        return "/mutifileupload";
    }

    /**
     *
     * 文件上传具体实现方法（单文件）
     *
     * @param account_id
     * @param user_id_type
     * @param tag_id
     * @param open_app_id
     * @param file
     * @return
     */
    @RequestMapping(value = "/upload", method = RequestMethod.POST)
    @ResponseBody
    public String upload(@RequestParam(value = "account_id", required = false) String account_id, @RequestParam(value = "user_id_type", required = false) String user_id_type,
                         @RequestParam(value = "tag_id", required = false) String tag_id, @RequestParam(value = "open_app_id", required = false) String open_app_id,
                         @RequestParam("file") MultipartFile file) {
        if (!file.isEmpty()) {
            try {
                // 这里只是简单例子，文件直接输出到项目路径下。
                // 实际项目中，文件需要输出到指定位置，需要在增加代码处理。
                // 还有关于文件格式限制、文件大小限制，详见：中配置。
                BufferedOutputStream out = new BufferedOutputStream(
                        new FileOutputStream(new File(file.getOriginalFilename())));
                out.write(file.getBytes());
                out.flush();
                out.close();
            } catch (FileNotFoundException e) {
                e.printStackTrace();
                return "上传失败," + e.getMessage();
            } catch (IOException e) {
                e.printStackTrace();
                return "上传失败," + e.getMessage();
            }
            return "上传成功";
        } else {
            return "上传失败，因为文件是空的.";
        }
    }

    /**
     * 多文件上传 主要是使用了MultipartHttpServletRequest和MultipartFile
     *
     * @param request
     * @return
     */
    @RequestMapping(value = "/upload/batch", method = RequestMethod.POST)
    public @ResponseBody
    String batchUpload(HttpServletRequest request) {
        List<MultipartFile> files = ((MultipartHttpServletRequest) request).getFiles("file");
        MultipartFile file = null;
        BufferedOutputStream stream = null;
        for (int i = 0; i < files.size(); ++i) {
            file = files.get(i);
            if (!file.isEmpty()) {
                try {
                    byte[] bytes = file.getBytes();
                    stream = new BufferedOutputStream(new FileOutputStream(new File(file.getOriginalFilename())));
                    stream.write(bytes);
                    stream.close();
                } catch (Exception e) {
                    stream = null;
                    return "You failed to upload " + i + " => " + e.getMessage();
                }
            } else {
                return "You failed to upload " + i + " because the file was empty.";
            }
        }
        return "upload successful";
    }
}
\ No newline at end of file