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Commit 72895b1d by wangjf
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init

parent 976f9534
Showing with 135 additions and 4 deletions
src/main/java/com/reyun/dmp/configuration/FileUploadConfiguration.java
package com.reyun.dmp.configuration; import javax.servlet.MultipartConfigElement; import org.springframework.boot.web.servlet.MultipartConfigFactory;import org.springframework.context.annotation.Bean; /** * 文件上传配置 * * @author wangjf * @date 2018年03月21日15:15:20 */public class FileUploadConfiguration { @Bean public MultipartConfigElement multipartConfigElement() { MultipartConfigFactory factory = new MultipartConfigFactory(); // 设置文件大小限制 ,超出设置页面会抛出异常信息， // 这样在文件上传的地方就需要进行异常信息的处理了; factory.setMaxFileSize("256KB"); // KB,MB /// 设置总上传数据总大小 factory.setMaxRequestSize("512KB"); // Sets the directory location where files will be stored. // factory.setLocation("路径地址"); return factory.createMultipartConfig(); } } package com.reyun.dmp.configuration;
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import javax.servlet.MultipartConfigElement;
import org.springframework.boot.web.servlet.MultipartConfigFactory;
import org.springframework.context.annotation.Bean;
/**
* 文件上传配置
*
* @author wangjf
* @date 2018年03月21日15:15:20
*/
public class FileUploadConfiguration {
@Bean
public MultipartConfigElement multipartConfigElement() {
MultipartConfigFactory factory = new MultipartConfigFactory();
// 设置文件大小限制 ,超出设置页面会抛出异常信息，
// 这样在文件上传的地方就需要进行异常信息的处理了;
factory.setMaxFileSize("256KB"); // KB,MB
/// 设置总上传数据总大小
factory.setMaxRequestSize("512KB");
// Sets the directory location where files will be stored.
// factory.setLocation("路径地址");
return factory.createMultipartConfig();
}
}
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 */@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"; } } package com.reyun.dmp.controller;
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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";
}
}
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