* 增加Docker开发环境

* 更新Dockerfile构建文件，升级NodeJS依赖版本。
 * 遵循ESLint重新格式化代码，修复部分警告
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 * 网络请求问题增加错误错误提示
 * 升级UI依赖库

frontend/src/components/Spider/CopySpiderDialog.vue

@@ -1,26 +1,26 @@
 <template>
   <el-dialog
-    class="copy-spider-dialog"
     ref="form"
+    class="copy-spider-dialog"
     :title="$t('Copy Spider')"
     :visible="visible"
     width="580px"
     :before-close="onClose"
   >
     <el-form
+      ref="form"
       label-width="160px"
       :model="form"
-      ref="form"
     >
       <el-form-item
         :label="$t('New Spider Name')"
         required
       >
-        <el-input v-model="form.name" :placeholder="$t('New Spider Name')"/>
+        <el-input v-model="form.name" :placeholder="$t('New Spider Name')" />
       </el-form-item>
     </el-form>
     <template slot="footer">
-      <el-button type="plain" size="small" @click="$emit('close')">{{$t('Cancel')}}</el-button>
+      <el-button type="plain" size="small" @click="$emit('close')">{{ $t('Cancel') }}</el-button>
       <el-button
         type="primary"
         size="small"
@@ -28,56 +28,56 @@
         :disabled="isLoading"
         @click="onConfirm"
       >
-        {{$t('Confirm')}}
+        {{ $t('Confirm') }}
       </el-button>
     </template>
   </el-dialog>
 </template>
 
 <script>
-export default {
-  name: 'CopySpiderDialog',
-  props: {
-    spiderId: {
-      type: String,
-      default: ''
-    },
-    visible: {
-      type: Boolean,
-      default: false
-    }
-  },
-  data () {
-    return {
-      form: {
-        name: ''
+  export default {
+    name: 'CopySpiderDialog',
+    props: {
+      spiderId: {
+        type: String,
+        default: ''
       },
-      isLoading: false
-    }
-  },
-  methods: {
-    onClose () {
-      this.$emit('close')
+      visible: {
+        type: Boolean,
+        default: false
+      }
     },
-    onConfirm () {
-      this.$refs['form'].validate(async valid => {
-        if (!valid) return
-        try {
-          this.isLoading = true
-          const res = await this.$request.post(`/spiders/${this.spiderId}/copy`, this.form)
-          if (!res.data.error) {
-            this.$message.success('Copied successfully')
+    data() {
+      return {
+        form: {
+          name: ''
+        },
+        isLoading: false
+      }
+    },
+    methods: {
+      onClose() {
+        this.$emit('close')
+      },
+      onConfirm() {
+        this.$refs['form'].validate(async valid => {
+          if (!valid) return
+          try {
+            this.isLoading = true
+            const res = await this.$request.post(`/spiders/${this.spiderId}/copy`, this.form)
+            if (!res.data.error) {
+              this.$message.success('Copied successfully')
+            }
+            this.$emit('confirm')
+            this.$emit('close')
+            this.$st.sendEv('爬虫复制', '确认提交')
+          } finally {
+            this.isLoading = false
           }
-          this.$emit('confirm')
-          this.$emit('close')
-          this.$st.sendEv('爬虫复制', '确认提交')
-        } finally {
-          this.isLoading = false
-        }
-      })
+        })
+      }
     }
   }
-}
 </script>
 
 <style scoped>