若依微服务中的上传文件的前后端实现_若依 文件上传下载前后端代码

前端：
：limit用来控制上传文件数量的默认一

<template>
    <div class="app-container">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
            <el-form-item label="唯一标识" prop="hwplmid">
                <el-input v-model="queryParams.hwplmid" placeholder="请输入唯一标识" clearable @keyup.enter.native="handleQuery" />
            </el-form-item>
            <el-form-item label="文件名" prop="filename">
                <el-input v-model="queryParams.filename" placeholder="请输入文件名" clearable @keyup.enter.native="handleQuery" />
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
                <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                    v-hasPermi="['system:homeworkplanm:add']">新增</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
                    v-hasPermi="['system:homeworkplanm:edit']">修改</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
                    v-hasPermi="['system:homeworkplanm:remove']">删除</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
                    v-hasPermi="['system:homeworkplanm:export']">导出</el-button>
            </el-col>
            <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table v-loading="loading" :data="homeworkplanmList" @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55" align="center" />
            <el-table-column label="唯一标识" align="center" prop="hwplmid" />

            <el-table-column label="文件" align="center">
                <template slot-scope="scope">
                    <a class="downa" :href="scope.row.filepath">下载</a>
                </template>
            </el-table-column>

            <el-table-column label="文件名" align="center" prop="filename" />
            <el-table-column align="center" prop="remark">
               
                <template #header>
                    <el-tooltip class="item" effect="dark" content="这里可以自定义内容，内容尽量规范（例如：企业*——*单位*——*用处）" placement="top-start">
                    <span class="custom-label">备注<svg-icon icon-class="helpowen"/></span>
                </el-tooltip>  
                </template>
               
            </el-table-column>
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                <template slot-scope="scope">
                    <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                        v-hasPermi="['system:homeworkplanm:edit']">修改</el-button>
                    <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                        v-hasPermi="['system:homeworkplanm:remove']">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
            @pagination="getList" />

        <!-- 添加或修改作业方案对话框 -->
        <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-form-item label="备注" prop="remark">
                    <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
                </el-form-item>
                <el-form-item label="文件" prop="filepath">
                    <el-upload ref="upload" :limit="1" :action="upload.url" :headers="upload.headers"
                        :file-list="upload.fileList" :on-progress="handleFileUploadProgress" :on-success="handleFileSuccess"
                        :auto-upload="false">
                        <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
                        <el-button style="margin-left: 10px;" size="small" type="success" :loading="upload.isUploading"
                            @click="submitUpload">上传到服务器</el-button>
                        <div slot="tip" class="el-upload__tip">只能上传bmp, gif, jpg, jpeg, png, doc, docx, xls, xlsx, ppt,
                            pptx, html, htm, txt, rar, zip, gz, bz2, mp4, avi, rmvb, pdf文件，且不超过3GB</div>
                    </el-upload>
                </el-form-item>

                <el-form-item label="文件名" prop="filename">
                    <el-input disabled v-model="form.filename" placeholder="请输入文件名" />
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>
  
<script>
import { listHomeworkplanm, getHomeworkplanm, delHomeworkplanm, addHomeworkplanm, updateHomeworkplanm, byidgetInfo } from "@/api/system/homeworkplanm";
import { getToken } from "@/utils/auth";
export default {
    name: "Homeworkplanm",
    data() {
        return {
            // 遮罩层
            loading: true,
            // 选中数组
            ids: [],
            // 非单个禁用
            single: true,
            // 非多个禁用
            multiple: true,
            // 显示搜索条件
            showSearch: true,
            // 总条数
            total: 0,
            // 作业方案表格数据
            homeworkplanmList: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 查询参数
            queryParams: {
                pageNum: 1,
                pageSize: 10,
                filepath: null,
                hwplmid: null,
                filename: null
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                remark: [
                    { required: true, message: "描述不能为空", trigger: "blur" }
                ],
                filepath: [
                    { required: true, message: "请选择文件", trigger: "blur" }
                ],
            },
            // 上传参数
            upload: {
                // 是否禁用上传
                isUploading: false,
                // 设置上传的请求头部
                headers: { Authorization: "Bearer " + getToken() },
                // 上传的地址
                url: process.env.VUE_APP_BASE_API + "/file/upload",
                // 上传的文件列表
                fileList: []
            },
        };
    },
    created() {
        this.getList();
    },
    methods: {
        /** 查询作业方案列表 */
        getList() {
            this.loading = true;
            listHomeworkplanm(this.queryParams).then(response => {
                this.homeworkplanmList = response.rows;
                this.total = response.total;
                this.loading = false;
            });
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                createBy: null,
                createTime: null,
                updateTime: null,
                updateBy: null,
                remark: null,
                filepath: null,
                hwplmid: null,
                filename: null
            };
            this.resetForm("form");
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.queryParams.pageNum = 1;
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        // 多选框选中数据
        handleSelectionChange(selection) {
            this.ids = selection.map(item => item.hwplmid)
            this.single = selection.length !== 1
            this.multiple = !selection.length
        },
        /** 新增按钮操作 */
        handleAdd() {
            this.reset();
            this.open = true;
            this.title = "添加作业方案";
            this.upload.fileList = [];
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            const createBy = row.hwplmid || this.ids
            byidgetInfo(createBy).then(response => {
                this.form = response.data;
                this.open = true;
                this.title = "修改作业方案";
            });
            this.upload.fileList = [{ name: this.form.fileName, url: this.form.filePath }];
        },
        /** 提交按钮 */
        submitForm() {
            this.$refs["form"].validate(valid => {
                if (valid) {

                    if (this.form.hwplmid != null) {
                        updateHomeworkplanm(this.form).then(response => {
                            this.$modal.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        alert(JSON.stringify(this.form))
                        alert(this.form.hwplmid)

                        addHomeworkplanm(this.form).then(response => {
                            this.$modal.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {

            const createBys = row.hwplmid || this.ids;

            this.$modal.confirm('是否确认删除作业方案编号为"' + createBys + '"的数据项？').then(function () {
                return delHomeworkplanm(createBys);
            }).then(() => {
                this.getList();
                this.$modal.msgSuccess("删除成功");
            }).catch(() => { });
        },
        /** 导出按钮操作 */
        handleExport() {
            this.download('system/homeworkplanm/export', {
                ...this.queryParams
            }, `homeworkplanm_${new Date().getTime()}.xlsx`)
        },
        // 文件提交处理
        submitUpload() {
            this.$refs.upload.submit();
        },
        // 文件上传中处理
        handleFileUploadProgress(event, file, fileList) {
            this.upload.isUploading = true;
        },
        // 文件上传成功处理
        handleFileSuccess(response, file, fileList) {
            this.upload.isUploading = false;
            this.form.filepath = response.data.url;
            this.form.filename = response.data.name;
            this.msgSuccess(response.msg);
        }
    }
};
</script>
<style scoped>
.downa:link {
    color: #1890FF;
}

.downa:hover {
    color: red;
}
</style>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290

后端
若依项目自带的详情自己下载自己去找service层去看吧

 package com.ruoyi.file.controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.utils.file.FileUtils;
import com.ruoyi.file.service.ISysFileService;
import com.ruoyi.system.api.domain.SysFile;

/**
 * 文件请求处理
 * 
 * @author ruoyi
 */
@RestController
public class SysFileController
{
    private static final Logger log = LoggerFactory.getLogger(SysFileController.class);

    @Autowired
    private ISysFileService sysFileService;

    /**
     * 文件上传请求
     */
    @PostMapping("upload")
    public R<SysFile> upload(MultipartFile file)
    {
        try
        {
            // 上传并返回访问地址
            String url = sysFileService.uploadFile(file);
            SysFile sysFile = new SysFile();
            sysFile.setName(FileUtils.getName(url));
            sysFile.setUrl(url);
            return R.ok(sysFile);
        }
        catch (Exception e)
        {
            log.error("上传文件失败", e);
            return R.fail(e.getMessage());
        }
    }
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49