oms init

src/components/UploadImgs/index.vue

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+<template>
+  <div>
+    <el-upload name="file" ref="upload" action="/api/uploadFiles" :on-error="handleError" :on-success="handleSuccess" :file-list="getFileList" list-type="picture-card" 
+    :on-preview="handlePictureCardPreview" :on-remove="handleRemove" :on-change="handleChange" :on-progress="handleOverSize">
+      <i class="el-icon-plus"></i>
+    </el-upload>
+    <el-dialog v-model="dialogVisible" size="tiny">
+      <img width="100%" :src="dialogImageUrl" alt="">
+    </el-dialog>
+  </div>
+</template>
+
+<script>
+import { Notification } from 'element-ui'
+export default {
+  name: 'upload_img',
+  components: { Notification },
+  data() {
+    return {
+      dialogImageUrl: '',
+      dialogVisible: false,
+      params: {
+        currentSize: 0,
+        input: undefined,
+        imgs: []
+      }
+    }
+  },
+  props: {
+    maxSize: {
+      type: Number,
+      default: 1
+    },
+    fileList: {
+      type: Array,
+      default: []
+    }
+  },
+  computed: {
+    getFileList() {
+      this.params.imgs = this.fileList
+      return this.fileList
+    },
+    getMaxSize() {
+      return this.maxSize
+    }
+  },
+  methods: {
+    handleRemove(file, fileList) {
+      this.params.currentSize = fileList.length
+      this.checkImgSize()
+      this.params.imgs = fileList
+    },
+    handlePictureCardPreview(file) {
+      this.dialogImageUrl = file.url
+      this.dialogVisible = true
+    },
+    handleOverSize(event, file, fileList) {
+      const overSize = file.size / 1024 < 1024
+      if (!overSize) {
+        fileList.length = fileList.length - 1
+        Notification.error({
+          title: '失败',
+          message: '请上传小于1M的图片',
+          duration: 2000
+        })
+      }
+    },
+    checkImgSize() {
+      if (this.params.currentSize >= this.maxSize) {
+        this.params.input.hidden = true
+      } else {
+        this.params.input.hidden = false
+      }
+    },
+    handleChange(file, fileList) {
+      this.params.currentSize = fileList.length
+      this.checkImgSize()
+      this.params.imgs = fileList
+    },
+    handleSuccess(response, file, fileList) {
+      // 上传失败后把图片移除
+      if (response.err_code !== 0) {
+        for (var i = 0; i < fileList.length; i++) {
+          if (file.name === fileList[i].name) {
+            fileList.splice(i, 1)
+          }
+        }
+        Notification.error({
+          title: '失败',
+          message: '上传失败',
+          duration: 2000
+        })
+      } else {
+        // file.url = response.img.url
+        file.url = 'https://yingdd.oss-cn-hangzhou.aliyuncs.com/5118124efb97baad87c6d68e67113fdc.png'
+      }
+    },
+    handleError(err, file, fileList) {
+      Notification.error({
+        title: '失败',
+        message: '上传失败',
+        duration: 2000
+      })
+      Promise.reject(err)
+    }
+  },
+  created() {
+    this.params.imgs = this.fileList
+  },
+  mounted() {
+    this.params.input = this.$refs.upload.$refs['upload-inner'].$refs.input.parentElement
+    this.params.currentSize = this.fileList.length
+    this.checkImgSize()
+  }
+}
+</script>
+
+<style>
+
+</style>