v3.8.1 新增图片预览组件

yudao-ui-admin/src/components/ImagePreview/index.vue

@@ -0,0 +1,67 @@
+<template>
+  <el-image :src="`${realSrc}`" fit="cover" :style="`width:${realWidth};height:${realHeight};`" :preview-src-list="[`${realSrc}`]">
+    <div slot="error" class="image-slot">
+      <i class="el-icon-picture-outline"></i>
+    </div>
+  </el-image>
+</template>
+
+<script>
+import { isExternal } from '@/utils/validate'
+
+export default {
+  name: 'ImagePreview',
+  props: {
+    src: {
+      type: String,
+      required: true
+    },
+    width: {
+      type: [Number, String],
+      default: ''
+    },
+    height: {
+      type: [Number, String],
+      default: ''
+    }
+  },
+  computed: {
+    realSrc() {
+      if (isExternal(this.src)) {
+        return this.src
+      }
+      return process.env.VUE_APP_BASE_API + this.src
+    },
+    realWidth() {
+      return typeof this.width == 'string' ? this.width : `${this.width}px`
+    },
+    realHeight() {
+      return typeof this.height == 'string' ? this.height : `${this.height}px`
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.el-image {
+  border-radius: 5px;
+  background-color: #ebeef5;
+  box-shadow: 0 0 5px 1px #ccc;
+  ::v-deep .el-image__inner {
+    transition: all 0.3s;
+    cursor: pointer;
+    &:hover {
+      transform: scale(1.2);
+    }
+  }
+  ::v-deep .image-slot {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    width: 100%;
+    height: 100%;
+    color: #909399;
+    font-size: 30px;
+  }
+}
+</style>