element-plus实现文件点击上传UI

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

<template>
  <div class="device-code-container">
    <h1>Register Your Device</h1>
    <div>
      Input the code
    </div>
    <el-input v-model.trim="input" placeholder="e.g. BADWDR" class="input-box" />
    <el-button type="primary" @click="handleClick" class="device-code-button" size="large">Continue</el-button>
  </div>

  <div>My Device:</div>
  <el-table :data="deviceTableData" style="width: 100%">
    <el-table-column prop="mac" label="MAC" width="180" />
    <el-table-column prop="filename" label="logo file" width="500" />
    <el-table-column prop="status" label="status" width="80" />
    <el-table-column prop="option" label="option" width="120">
      <template #default="{ row }">
        <el-upload class="option-button" action="" v-model:file-list="fileList" :limit="1" :on-change="handleChange"
          :on-remove="handleRemove" :auto-upload="false" accept="image/jpeg" style="display:none">
          <template #trigger>
            <el-button class="upload-button"></el-button>
          </template>
        </el-upload>

        <el-button :icon="Upload" type="success" size="small" @click="triggerUpload(row)" :loading="buttonLoading">
        </el-button>
        <el-button slot="tip" class="option-button" type="danger" size="small" :icon="Delete"
          @click="delMacLine(row)" />
      </template>
    </el-table-column>
  </el-table>
</template>

<script setup>
import { ref, watch } from 'vue'
import { verifyDeviceCode } from '@/api/upgrade'
import { queryMacList, deleteMacRecord } from '@/api/machine'
import { Delete, Upload } from '@element-plus/icons-vue'
import { ElMessage } from 'element-plus'
import instance from '@/api/instance'

const buttonLoading = ref(false)
const fileList = ref([])
const uploadMac = ref('')

function getEncode64(str) {
  // 对字符串进行编码
  const encode = encodeURI(str)
  // 对编码的字符串转化base64
  const base64 = btoa(encode)
  return base64
}

function triggerUpload(row) {
  uploadMac.value = row.mac
  document.querySelector('.upload-button').click()
}

const submitUpload = () => {
  if (fileList.value.length === 0) {
    ElMessage({
      showClose: true,
      message: 'Oops, please select one file.',
      type: 'error'
    })
    return
  }

  buttonLoading.value = true

  // 文件以FormData形式传给服务器
  const filesPromise = fileList.value.map((item) => {
    const formData = new FormData()
    const filename = getEncode64(item.name)
    formData.append('file', item.raw, filename)
    formData.append('mac', uploadMac.value)

    return axios({
      url: '/upload_single',
      method: 'POST',
      data: formData,
    }).then((res) => {
      ElMessage({
        showClose: true,
        message: `${item.name} 上传成功`,
        type: 'success'
      })
      updateLists()
    })
      .catch((err) => {
        ElMessage({
          showClose: true,
          message: `${err.message}, 上传失败`,
          type: 'error'
        })
      })
      .finally(() => {
        buttonLoading.value = false
        fileList.value = []
      })
  })

  Promise.all(filesPromise)
}

watch(fileList, (newFileList) => {
  if (newFileList.length === 1) {
    submitUpload()
  }
})

const handleChange = (file, files) => {
  if (!file) {
    ElMessage({
      showClose: true,
      message: `未找到文件`,
      type: 'error'
    })
    fileList.value = []
    return
  }

  if (!['image/jpg', 'image/jpeg'].includes(file.raw.type) || name.includes('jpg')) {
    ElMessage({
      showClose: true,
      message: `文件不为jpg格式`,
      type: 'error'
    })
    fileList.value = []
    return
  }
}

const handleRemove = (file, files) => {
  if (!file) return
  const removeFilename = file.name

  fileList.value = fileList.value.filter(item => {
    return item.name !== removeFilename
  })
}

const deviceTableData = ref([])
const input = ref('')

function handleClick() {
  verifyDeviceCode(input.value).then((res) => {
    updateLists()
    ElMessage({
      message: res.msg,
      type: 'success'
    })
  })
}

function updateLists() {
  queryMacList().then((res) => {
    console.log('[long] res: ', res)
    res.forEach((item, index) => {
      res[index].url = `${import.meta.env.VITE_APP_BASE_API}/upgrade/${item.mac}`
    })
    deviceTableData.value = res
  })
}
updateLists()

function delMacLine(row) {
  deleteMacRecord(row).then((res) => {
    updateLists()
  })
}

</script>

<style lang="scss" scoped>
.device-code-container {
  border: 2px solid rgba(124, 106, 106, 0.712);
  border-radius: 6px;
  padding: 10px;
  width: 400px;
  margin: 30px auto;
  text-align: center;

  .input-box {
    width: 300px;
    margin: 10px;
  }

  .device-code-button {
    width: 300px;
    margin-bottom: 10px;
  }
}

:deep(.el-upload) {
  display: inline-block;
}

.option-button {
  display: inline-block;
  margin: 5px;
}
</style>