文件上传

add

<#include "../layout/layout.ftl">
<@html page_title="特殊资源添加" page_tab="mediaresource">
    <section class="content-header">
        <h1>
            <small>列表</small>
        </h1>
        <ol class="breadcrumb">
            <li><a href="/index"><i class="fa fa-dashboard"></i> 首页</a></li>
            <li><a href="/admin/mediaResource/list">特殊资源</a></li>
            <li class="active">添加</li>
        </ol>
    </section>
    <section class="content">
        <div class="box box-info">
            <div class="box-header with-border">
                <h3 class="box-title">特殊资源添加</h3>
            </div>
            <!-- /.box-header -->
            <div class="box-body">
                <form id="form" action="" method="post" enctype="multipart/form-data">
                    <div class="form-group">
                        <label>标题名称</label>
                        <input type="text" id="title" name="title" placeholder="标题名称" class="form-control">
                    </div>
                    <div class="form-group">
                        <label>文件上传</label>
                        <input type="file" id="file" name="file" class="d-none"/>
                    </div>
                    <div class="form-group">
                        <label for="">描述</label>
                        <textarea id="content" name="content" rows="7" class="form-control"></textarea>
                    </div>
                    <button type="button" id="btn" class="btn btn-primary">提交</button>
                </form>
            </div>
        </div>
    </section>

    <script>
        $("#btn").click(function () {
            var title = $("#title").val();
            var file = $("#file").val();
            var content = $("#content").val();
            if (title.length < 1 || title.length > 120){ return tip("请输入标题，且最大长度在120个字符以内！"); }
            if ($("#file").val() == ''){ return tip("请选择图片！"); }

            var formData = new FormData();
            formData.append("title", title);
            formData.append("file",   document.getElementById('file').files[0]);
            formData.append("content", content);
            $.ajax({
                url: '/admin/uploadFile',
                type: 'post',
                data: formData,
                contentType: false,
                processData: false,
                success: function (data) {
                    if (data.code === 200) {
                        suc("添加成功");
                        setTimeout(function () {
                            window.location.href = "/admin/mediaresource/list";
                        }, 700);
                    } else {
                        err(data.description);
                    }
                }
            });
        });
    </script>

</@html>

 

IndexAdminController

package com.bfr.telinksemifourm.manage.controller.admin;

import com.bfr.telinksemifourm.manage.exception.ApiAssert;
import com.bfr.telinksemifourm.manage.service.impl.MediaResourceService;
import com.bfr.telinksemifourm.manage.util.FileUtil;
import com.bfr.telinksemifourm.manage.service.ISystemConfigService;
import com.bfr.telinksemifourm.manage.util.Result;
import com.bfr.telinksemifourm.manage.service.ICommentService;
import com.bfr.telinksemifourm.manage.service.ITagService;
import com.bfr.telinksemifourm.manage.service.ITopicService;
import com.bfr.telinksemifourm.manage.service.IUserService;
import com.bfr.telinksemifourm.shared.model.MediaResource;
import com.sun.management.OperatingSystemMXBean;
import org.apache.shiro.authz.annotation.RequiresUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpSession;
import java.lang.management.ManagementFactory;
import java.util.*;

/**
 * Created by .
 * Copyright (c) 2020, All Rights Reserved.
 * 
 */
@Controller
@RequestMapping("/admin")
public class IndexAdminController extends BaseAdminController {

    @Autowired
    private ITopicService topicService;
    @Autowired
    private ITagService tagService;
    @Autowired
    private ICommentService commentService;
    @Autowired
    private IUserService userService;
    @Autowired
    private ISystemConfigService systemConfigService;
    @Autowired
    private FileUtil fileUtil;
    @Autowired
    private MediaResourceService mediaResourceService;

    // 上传图片
    @PostMapping("/upload")
    @ResponseBody
    public Result upload(@RequestParam("myFile") MultipartFile[] files, String type, HttpSession session) {
//        User user = getApiUser();
//        ApiAssert.isTrue(user.getActive(), "你的帐号还没有激活，请去个人设置页面激活帐号");
        ApiAssert.notEmpty(type, "传的文件类型不能为空");
        Map<String, Object> map = new HashMap<>();
        List<String> urls = new ArrayList<>();
        List<String> errors = new ArrayList<>();
        for (int i = 0; i < files.length; i++) {
            MultipartFile file = files[i];
            String suffix = "." + file.getContentType().split("/")[1];
            if (!Arrays.asList(".jpg", ".png", ".gif", ".jpeg", ".mp4").contains(suffix.toLowerCase())) {
                errors.add("File ["+(i+1)+"] exception: The file format is incorrect");
                continue;
            }
            long size = file.getSize();
            // 根据不同上传类型，对文件大小做校验
            if (type.equalsIgnoreCase("video")) {
                int uploadVideoSizeLimit = Integer.parseInt(systemConfigService.selectAllConfig().get("upload_video_size_limit").toString());
                if (size > uploadVideoSizeLimit * 1024 * 1024) {
                    errors.add("File ["+(i+1)+"] exception：" + "The file is too big, please upload the file size within "+uploadVideoSizeLimit+"MB");
                    continue;
                }
            } else {
                int uploadImageSizeLimit = Integer.parseInt(systemConfigService.selectAllConfig().get("upload_image_size_limit").toString());
                if (size > uploadImageSizeLimit * 1024 * 1024) {
                    errors.add("File ["+(i+1)+"] exception：" + "The file is too big, please upload the file size within "+uploadImageSizeLimit+"MB");
                    continue;
                }
            }
            String url = null;
            if (type.equalsIgnoreCase("avatar")) { // 上传头像
                // 拿到上传后访问的url
                url = fileUtil.upload(file, "avatar", "avatar/" );
//                if (url != null) {
//                    // 查询当前用户的最新信息
//                    User user1 = userService.selectById(user.getId());
//                    user1.setAvatar(url);
//                    // 保存用户新的头像
//                    userService.update(user1);
//                    // 将最新的用户信息更新在session里
//                    if (session != null) session.setAttribute("_user", user1);
//                }
            } else if (type.equalsIgnoreCase("topic")) { // 发帖上传图片
                url = fileUtil.upload(file, null, "faq/" );
            } else if (type.equalsIgnoreCase("faq")) { // 发帖上传图片
                url = fileUtil.uploadtop(file, null, "faq" );
            } else if (type.equalsIgnoreCase("video")) { // 视频上传
                url = fileUtil.upload(file, null, "faq/" );
            } else {
                errors.add("File ["+(i+1)+"] exception：" + "The type of image uploaded is not covered");
                continue;
            }
            if (url == null) {
                errors.add("File ["+(i+1)+"] exception：" + "The uploaded file does not exist or there was an error in the upload process");
                continue;
            }
            urls.add(url);
        }
        map.put("urls", urls);
        map.put("errors", errors);


        return success(map);
    }

    /**
     * 添加成功
     *
     * @author zxk
     * @date 2020/7/3
     */
    @PostMapping("/uploadFile")
    @ResponseBody
    public Result uploadFile(@RequestParam("file") MultipartFile file, String title, String content) {
        String url = fileUtil.uploadtop(file, null, "mediaresource" );
        if (!StringUtils.isEmpty(url)){
            MediaResource mediaResource = new MediaResource();
            mediaResource.setTitle(title);
            mediaResource.setUrl(url);
            mediaResource.setContent(content);
            mediaResource.setFileName(file.getOriginalFilename());
            if (mediaResourceService.saveMediaResource(mediaResource)){
                return success();
            }
        }
        return error("添加失败！");
    }

}