From 7ea0d3b522a67ab55b6a3169f16676448d71af20 Mon Sep 17 00:00:00 2001
From: chenll <huxin@123.com>
Date: Fri, 18 Jul 2025 22:45:53 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=A7=E5=AE=A2=E6=B5=81=E5=9F=BA=E6=9C=AC?=
 =?UTF-8?q?=E4=BF=A1=E6=81=AF=E7=95=8C=E9=9D=A2BUG=E5=A4=84=E7=90=86?=
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---
 .../src/components/ImageUpload/index.vue      | 216 ++++++++++++++++++
 1 file changed, 216 insertions(+)
 create mode 100644 Dkl-vue3-ui-DP/src/components/ImageUpload/index.vue

diff --git a/Dkl-vue3-ui-DP/src/components/ImageUpload/index.vue b/Dkl-vue3-ui-DP/src/components/ImageUpload/index.vue
new file mode 100644
index 0000000..4d19693
--- /dev/null
+++ b/Dkl-vue3-ui-DP/src/components/ImageUpload/index.vue
@@ -0,0 +1,216 @@
+<template>
+  <div class="component-upload-image">
+    <el-upload
+      multiple
+      :action="uploadImgUrl"
+      list-type="picture-card"
+      :on-success="handleUploadSuccess"
+      :before-upload="handleBeforeUpload"
+      :limit="limit"
+      :on-error="handleUploadError"
+      :on-exceed="handleExceed"
+      ref="imageUpload"
+      :before-remove="handleDelete"
+      :show-file-list="true"
+      :headers="headers"
+      :file-list="fileList"
+      :on-preview="handlePictureCardPreview"
+      :class="{ hide: fileList.length >= limit }"
+    >
+      <el-icon class="avatar-uploader-icon"><plus /></el-icon>
+    </el-upload>
+    <!-- 上传提示 -->
+    <div class="el-upload__tip" v-if="showTip">
+      请上传
+      <template v-if="fileSize">
+        大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b>
+      </template>
+      <template v-if="fileType">
+        格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b>
+      </template>
+      的文件
+    </div>
+
+    <el-dialog
+      v-model="dialogVisible"
+      title="预览"
+      width="800px"
+      append-to-body
+    >
+      <img
+        :src="dialogImageUrl"
+        style="display: block; max-width: 100%; margin: 0 auto"
+      />
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { getToken } from "@/utils/auth";
+import { isExternal } from "@/utils/validate";
+
+const props = defineProps({
+  modelValue: [String, Object, Array],
+  // 图片数量限制
+  limit: {
+    type: Number,
+    default: 5,
+  },
+  // 大小限制(MB)
+  fileSize: {
+    type: Number,
+    default: 5,
+  },
+  // 文件类型, 例如['png', 'jpg', 'jpeg']
+  fileType: {
+    type: Array,
+    default: () => ["png", "jpg", "jpeg"],
+  },
+  // 是否显示提示
+  isShowTip: {
+    type: Boolean,
+    default: true
+  },
+});
+
+const { proxy } = getCurrentInstance();
+const emit = defineEmits();
+const number = ref(0);
+const uploadList = ref([]);
+const dialogImageUrl = ref("");
+const dialogVisible = ref(false);
+const baseUrl = import.meta.env.VITE_APP_BASE_API;
+const uploadImgUrl = ref(import.meta.env.VITE_APP_BASE_API + "/common/upload"); // 上传的图片服务器地址
+const headers = ref({ Authorization: "Bearer " + getToken() });
+const fileList = ref([]);
+const showTip = computed(
+  () => props.isShowTip && (props.fileType || props.fileSize)
+);
+
+watch(() => props.modelValue, val => {
+  if (val) {
+    // 首先将值转为数组
+    const list = Array.isArray(val) ? val : props.modelValue.split(",");
+    // 然后将数组转为对象数组
+    fileList.value = list.map(item => {
+      if (typeof item === "string") {
+        if (item.indexOf(baseUrl) === -1 && !isExternal(item)) {
+          item = { name: baseUrl + item, url: baseUrl + item };
+        } else {
+          item = { name: item, url: item };
+        }
+      }
+      return item;
+    });
+  } else {
+    fileList.value = [];
+    return [];
+  }
+},{ deep: true, immediate: true });
+
+// 上传前loading加载
+function handleBeforeUpload(file) {
+  let isImg = false;
+  if (props.fileType.length) {
+    let fileExtension = "";
+    if (file.name.lastIndexOf(".") > -1) {
+      fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
+    }
+    isImg = props.fileType.some(type => {
+      if (file.type.indexOf(type) > -1) return true;
+      if (fileExtension && fileExtension.indexOf(type) > -1) return true;
+      return false;
+    });
+  } else {
+    isImg = file.type.indexOf("image") > -1;
+  }
+  if (!isImg) {
+    proxy.$modal.msgError(`文件格式不正确，请上传${props.fileType.join("/")}图片格式文件!`);
+    return false;
+  }
+  if (file.name.includes(',')) {
+    proxy.$modal.msgError('文件名不正确，不能包含英文逗号!');
+    return false;
+  }
+  if (props.fileSize) {
+    const isLt = file.size / 1024 / 1024 < props.fileSize;
+    if (!isLt) {
+      proxy.$modal.msgError(`上传头像图片大小不能超过 ${props.fileSize} MB!`);
+      return false;
+    }
+  }
+  proxy.$modal.loading("正在上传图片，请稍候...");
+  number.value++;
+}
+
+// 文件个数超出
+function handleExceed() {
+  proxy.$modal.msgError(`上传文件数量不能超过 ${props.limit} 个!`);
+}
+
+// 上传成功回调
+function handleUploadSuccess(res, file) {
+  if (res.code === 200) {
+    uploadList.value.push({ name: res.fileName, url: res.fileName });
+    uploadedSuccessfully();
+  } else {
+    number.value--;
+    proxy.$modal.closeLoading();
+    proxy.$modal.msgError(res.msg);
+    proxy.$refs.imageUpload.handleRemove(file);
+    uploadedSuccessfully();
+  }
+}
+
+// 删除图片
+function handleDelete(file) {
+  const findex = fileList.value.map(f => f.name).indexOf(file.name);
+  if (findex > -1 && uploadList.value.length === number.value) {
+    fileList.value.splice(findex, 1);
+    emit("update:modelValue", listToString(fileList.value));
+    return false;
+  }
+}
+
+// 上传结束处理
+function uploadedSuccessfully() {
+  if (number.value > 0 && uploadList.value.length === number.value) {
+    fileList.value = fileList.value.filter(f => f.url !== undefined).concat(uploadList.value);
+    uploadList.value = [];
+    number.value = 0;
+    emit("update:modelValue", listToString(fileList.value));
+    proxy.$modal.closeLoading();
+  }
+}
+
+// 上传失败
+function handleUploadError() {
+  proxy.$modal.msgError("上传图片失败");
+  proxy.$modal.closeLoading();
+}
+
+// 预览
+function handlePictureCardPreview(file) {
+  dialogImageUrl.value = file.url;
+  dialogVisible.value = true;
+}
+
+// 对象转成指定字符串分隔
+function listToString(list, separator) {
+  let strs = "";
+  separator = separator || ",";
+  for (let i in list) {
+    if (undefined !== list[i].url && list[i].url.indexOf("blob:") !== 0) {
+      strs += list[i].url.replace(baseUrl, "") + separator;
+    }
+  }
+  return strs != "" ? strs.substr(0, strs.length - 1) : "";
+}
+</script>
+
+<style scoped lang="scss">
+// .el-upload--picture-card 控制加号部分
+:deep(.hide .el-upload--picture-card) {
+    display: none;
+}
+</style>
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