组件fileUpload支持多文件同时选择上传

This commit is contained in:
RuoYi 2022-02-25 11:51:29 +08:00
parent 8f23ff7274
commit 927b05713a
6 changed files with 166 additions and 28 deletions

View File

@ -531,4 +531,53 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
{
return (T) obj;
}
/**
* 数字左边补齐0使之达到指定长度注意如果数字转换为字符串后长度大于size则只保留 最后size个字符
*
* @param num 数字对象
* @param size 字符串指定长度
* @return 返回数字的字符串格式该字符串为指定长度
*/
public static final String padl(final Number num, final int size)
{
return padl(num.toString(), size, '0');
}
/**
* 字符串左补齐如果原始字符串s长度大于size则只保留最后size个字符
*
* @param s 原始字符串
* @param size 字符串指定长度
* @param c 用于补齐的字符
* @return 返回指定长度的字符串由原字符串左补齐或截取得到
*/
public static final String padl(final String s, final int size, final char c)
{
final StringBuilder sb = new StringBuilder(size);
if (s != null)
{
final int len = s.length();
if (s.length() <= size)
{
for (int i = size - len; i > 0; i--)
{
sb.append(c);
}
sb.append(s);
}
else
{
return s.substring(len - size, len);
}
}
else
{
for (int i = size; i > 0; i--)
{
sb.append(c);
}
}
return sb.toString();
}
}

View File

@ -12,7 +12,7 @@ import com.ruoyi.common.exception.file.FileSizeLimitExceededException;
import com.ruoyi.common.exception.file.InvalidExtensionException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.uuid.IdUtils;
import com.ruoyi.common.utils.uuid.Seq;
/**
* 文件上传工具类
@ -121,7 +121,8 @@ public class FileUploadUtils
*/
public static final String extractFilename(MultipartFile file)
{
return DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + getExtension(file);
return StringUtils.format("{}/{}_{}.{}", DateUtils.datePath(),
FilenameUtils.getBaseName(file.getOriginalFilename()), Seq.getId(Seq.uploadSeqType), getExtension(file));
}
public static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException

View File

@ -0,0 +1,86 @@
package com.ruoyi.common.utils.uuid;
import java.util.concurrent.atomic.AtomicInteger;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
/**
* @author ruoyi 序列生成类
*/
public class Seq
{
// 通用序列类型
public static final String commSeqType = "COMMON";
// 上传序列类型
public static final String uploadSeqType = "UPLOAD";
// 通用接口序列数
private static AtomicInteger commSeq = new AtomicInteger(1);
// 上传接口序列数
private static AtomicInteger uploadSeq = new AtomicInteger(1);
// 机器标识
private static String machineCode = "A";
/**
* 获取通用序列号
*
* @return 序列值
*/
public static String getId()
{
return getId(commSeqType);
}
/**
* 默认16位序列号 yyMMddHHmmss + 一位机器标识 + 3长度循环递增字符串
*
* @return 序列值
*/
public static String getId(String type)
{
AtomicInteger atomicInt = commSeq;
if (uploadSeqType.equals(type))
{
atomicInt = uploadSeq;
}
return getId(atomicInt, 3);
}
/**
* 通用接口序列号 yyMMddHHmmss + 一位机器标识 + length长度循环递增字符串
*
* @param atomicInt 序列数
* @param length 数值长度
* @return 序列值
*/
public static String getId(AtomicInteger atomicInt, int length)
{
String result = DateUtils.dateTimeNow();
result += machineCode;
result += getSeq(atomicInt, length);
return result;
}
/**
* 序列循环递增字符串[1, 10 (length)幂次方), 用0左补齐length位数
*
* @return 序列值
*/
private synchronized static String getSeq(AtomicInteger atomicInt, int length)
{
// 先取值再+1
int value = atomicInt.getAndIncrement();
// 如果更新后值>=10 (length)幂次方则重置为1
int maxSeq = (int) Math.pow(10, length);
if (atomicInt.get() >= maxSeq)
{
atomicInt.set(1);
}
// 转字符串用0左补齐
return StringUtils.padl(value, length);
}
}

View File

@ -1,6 +1,7 @@
<template>
<div class="upload-file">
<el-upload
multiple
:action="uploadFileUrl"
:before-upload="handleBeforeUpload"
:file-list="fileList"
@ -69,6 +70,8 @@ export default {
},
data() {
return {
number: 0,
uploadList: [],
baseUrl: process.env.VUE_APP_BASE_API,
uploadFileUrl: process.env.VUE_APP_BASE_API + "/common/upload", //
headers: {
@ -122,7 +125,7 @@ export default {
return false;
});
if (!isTypeOk) {
this.$message.error(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
return false;
}
}
@ -130,25 +133,33 @@ export default {
if (this.fileSize) {
const isLt = file.size / 1024 / 1024 < this.fileSize;
if (!isLt) {
this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`);
this.$modal.msgError(`上传文件大小不能超过 ${this.fileSize} MB!`);
return false;
}
}
this.$modal.loading("正在上传文件,请稍候...");
this.number++;
return true;
},
//
handleExceed() {
this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`);
this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`);
},
//
handleUploadError(err) {
this.$message.error("上传失败, 请重试");
this.$modal.msgError("上传图片失败,请重试");
this.$modal.closeLoading()
},
//
handleUploadSuccess(res, file) {
this.$message.success("上传成功");
this.fileList.push({ name: res.fileName, url: res.fileName });
this.$emit("input", this.listToString(this.fileList));
handleUploadSuccess(res) {
this.uploadList.push({ name: res.fileName, url: res.fileName });
if (this.uploadList.length === this.number) {
this.fileList = this.fileList.concat(this.uploadList);
this.uploadList = [];
this.number = 0;
this.$emit("input", this.listToString(this.fileList));
this.$modal.closeLoading();
}
},
//
handleDelete(index) {
@ -158,7 +169,7 @@ export default {
//
getFileName(name) {
if (name.lastIndexOf("/") > -1) {
return name.slice(name.lastIndexOf("/") + 1).toLowerCase();
return name.slice(name.lastIndexOf("/") + 1);
} else {
return "";
}

View File

@ -133,7 +133,7 @@ export default {
this.uploadList = [];
this.number = 0;
this.$emit("input", this.listToString(this.fileList));
this.loading.close();
this.$modal.closeLoading();
}
},
// loading
@ -154,36 +154,27 @@ export default {
}
if (!isImg) {
this.$message.error(
`文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!`
);
this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!`);
return false;
}
if (this.fileSize) {
const isLt = file.size / 1024 / 1024 < this.fileSize;
if (!isLt) {
this.$message.error(`上传头像图片大小不能超过 ${this.fileSize} MB!`);
this.$modal.msgError(`上传头像图片大小不能超过 ${this.fileSize} MB!`);
return false;
}
}
this.loading = this.$loading({
lock: true,
text: "上传中",
background: "rgba(0, 0, 0, 0.7)",
});
this.$modal.loading("正在上传图片,请稍候...");
this.number++;
},
//
handleExceed() {
this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`);
this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`);
},
//
handleUploadError() {
this.$message({
type: "error",
message: "上传失败",
});
this.loading.close();
this.$modal.msgError("上传图片失败,请重试");
this.$modal.closeLoading();
},
//
handlePictureCardPreview(file) {

View File

@ -443,7 +443,7 @@ export default {
email: [
{
type: "email",
message: "'请输入正确的邮箱地址",
message: "请输入正确的邮箱地址",
trigger: ["blur", "change"]
}
],