单图上传组件添加移除

ruoyi-ui/src/components/ImageUpload/index.vue

@@ -0,0 +1,98 @@
+<template>
+  <div class="component-upload-image">
+    <el-upload
+      :action="uploadImgUrl"
+      list-type="picture-card"
+      :on-success="handleUploadSuccess"
+      :before-upload="handleBeforeUpload"
+      :on-error="handleUploadError"
+      name="file"
+      :show-file-list="false"
+      :headers="headers"
+      style="display: inline-block; vertical-align: top"
+    >
+      <el-image v-if="!value" :src="value">
+        <div slot="error" class="image-slot">
+          <i class="el-icon-plus" />
+        </div>
+      </el-image>
+      <div v-else class="image">
+        <el-image :src="value" />
+        <div class="mask">
+          <div class="actions">
+            <span title="移除" @click.stop="removeImage">
+              <i class="el-icon-delete" />
+            </span>
+          </div>
+        </div>
+      </div>
+    </el-upload>
+  </div>
+</template>
+
+<script>
+import { getToken } from "@/utils/auth";
+
+export default {
+  components: {},
+  data() {
+    return {
+      uploadImgUrl: process.env.VUE_APP_BASE_API + "/common/upload", // 上传的图片服务器地址
+      headers: {
+        Authorization: "Bearer " + getToken(),
+      },
+    };
+  },
+  props: {
+    value: {
+      type: String,
+      default: "",
+    },
+  },
+  methods: {
+    removeImage() {
+      this.$emit("input", "");
+    },
+    handleUploadSuccess(res) {
+      this.$emit("input", res.url);
+      this.loading.close();
+    },
+    handleBeforeUpload() {
+      this.loading = this.$loading({
+        lock: true,
+        text: "上传中",
+        background: "rgba(0, 0, 0, 0.7)",
+      });
+    },
+    handleUploadError() {
+      this.$message({
+        type: "error",
+        message: "上传失败",
+      });
+      this.loading.close();
+    },
+  },
+  watch: {},
+};
+</script>
+
+<style scoped lang="scss">
+.avatar {
+  width: 100%;
+  height: 100%;
+}
+.image {
+  position: relative;
+  .mask {
+    opacity: 0;
+    position: absolute;
+    top: 0;
+    width: 100%;
+    background-color: rgba(0, 0, 0, 0.5);
+    transition: all 0.3s;
+  }
+  &:hover .mask {
+    opacity: 1;
+  }
+}
+</style>