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修复文件上传并发问题

This commit is contained in:
zxm 2018-06-10 10:57:47 +08:00
parent 1b3ac1c8df
commit 27e85b00ec
2 changed files with 20 additions and 25 deletions
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42
len-core/src/main/java/com/len/util/UploadUtil.java
View File

@ -1,6 +1,7 @@
package com.len.util; package com.len.util;
import com.len.exception.MyException; import com.len.exception.MyException;
import lombok.Data;
import lombok.Getter; import lombok.Getter;
import lombok.Setter; import lombok.Setter;
import org.apache.commons.io.FileUtils; import org.apache.commons.io.FileUtils;
@ -25,11 +26,6 @@ import java.util.UUID;
@Component @Component
public class UploadUtil { public class UploadUtil {
/**
* 上传请求资源
*/
private MultipartFile multipartFile = null;
/** /**
* 按照当日创建文件夹 * 按照当日创建文件夹
*/ */
@ -46,27 +42,22 @@ public class UploadUtil {
public static final String IMAGE_SUFFIX = "bmp,jpg,png,gif,jpeg"; public static final String IMAGE_SUFFIX = "bmp,jpg,png,gif,jpeg";
private File currentFile;
public UploadUtil(MultipartFile multipartFile) {
this.multipartFile = multipartFile;
}
public UploadUtil() { public UploadUtil() {
} }
public String upload() { public String upload(MultipartFile multipartFile) {
if (isNull()) { if (isNull(multipartFile)) {
throw new MyException("上传数据/地址获取异常"); throw new MyException("上传数据/地址获取异常");
} }
String fileName = fileNameStyle(); LoadType loadType = fileNameStyle(multipartFile);
try { try {
FileUtils.copyInputStreamToFile(multipartFile.getInputStream(), currentFile); FileUtils.copyInputStreamToFile(multipartFile.getInputStream(), loadType.getCurrentFile());
} catch (IOException e) { } catch (IOException e) {
e.printStackTrace(); e.printStackTrace();
} }
return fileName; return loadType.getFileName();
} }
/** /**
@ -74,7 +65,7 @@ public class UploadUtil {
* *
* @return * @return
*/ */
public String fileNameStyle() { public LoadType fileNameStyle(MultipartFile multipartFile) {
String curr = multipartFile.getOriginalFilename(); String curr = multipartFile.getOriginalFilename();
int suffixLen = curr.lastIndexOf("."); int suffixLen = curr.lastIndexOf(".");
if (suffixLen == -1) { if (suffixLen == -1) {
@ -85,21 +76,26 @@ public class UploadUtil {
suffix.replace(".", "")); suffix.replace(".", ""));
curr = UUID.randomUUID() + suffix; curr = UUID.randomUUID() + suffix;
String filename=curr; LoadType loadType = new LoadType();
loadType.setFileName(curr);
//image 情况 //image 情况
curr = StringUtils.isEmpty(imagePath) || index == -1 ? curr = StringUtils.isEmpty(imagePath) || index == -1 ?
uploadPath + File.separator + curr : imagePath +File.separator + curr; uploadPath + File.separator + curr : imagePath + File.separator + curr;
currentFile = new File(curr); loadType.setCurrentFile(new File(curr));
return loadType;
return filename;
} }
private boolean isNull() { private boolean isNull(MultipartFile multipartFile) {
if (null != multipartFile) { if (null != multipartFile) {
return false; return false;
} }
return true; return true;
} }
}
@Data
class LoadType {
private String fileName;
private File currentFile;
} }

3
len-sys/src/main/java/com/len/controller/UserController.java
View File

@ -240,8 +240,7 @@ public class UserController extends BaseController {
@ResponseBody @ResponseBody
public JsonUtil imgUpload(HttpServletRequest req, @RequestParam("file") MultipartFile file, public JsonUtil imgUpload(HttpServletRequest req, @RequestParam("file") MultipartFile file,
ModelMap model) { ModelMap model) {
uploadUtil.setMultipartFile(file); String fileName=uploadUtil.upload(file);
String fileName=uploadUtil.upload();
JsonUtil j = new JsonUtil(); JsonUtil j = new JsonUtil();
j.setMsg(fileName); j.setMsg(fileName);
return j; return j;