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| <template>
| <el-upload
| class="avatar-uploader"
| action="#"
| :http-request="handlerUpload"
| :before-upload="handlerBeforeOnUpload"
| :on-error="handlerOnError"
| :show-file-list="false"
| :disabled="disabled"
| >
| <img v-if="data.image_url" :src="data.image_url" class="avatar" />
| <span v-else>+</span>
| </el-upload>
| </template>
|
| <script>
| import { reactive, getCurrentInstance, watch } from "vue";
| // import { UploadFile } from "@/api/common";
| export default {
| name: "BasisUpload",
| components: {},
| props: {
| value: {
| type: String,
| default: "",
| },
| disabled: {
| type: Boolean,
| default: false,
| },
| },
| emits: ["update:value", "callback"],
| setup(props, { emit }) {
| // 获取实例上下文
| const { proxy } = getCurrentInstance();
| const data = reactive({
| image_url: "",
| });
| const handlerOnError = (res, file) => {};
| const handlerBeforeOnUpload = async (file) => {
| const isLt2M = file.size / 1024 / 1024 < 2; // 限制文件大小不能大于 2M
| if (!isLt2M) {
| proxy.$message.error("上传图片大小不能超过 2MB!");
| return false;
| }
| return isJPG && isLt2M;
| };
| const handlerUpload = async (params) => {
| const file = params.file;
| // 实例化表单对象
| const form = new FormData();
| // 表单添加 files 字段
| form.append("files", file);
| // 上传接口
| try {
| const url = await startUpload(form);
| data.image_url = url;
| emit("update:imageUrl", url);
| } catch {
| console.log("上传失败");
| }
| };
| /**
| * 开始文件上传
| */
| const startUpload = (form) => {
| return new Promise((resolve, reject) => {
| // UploadFile(form).then(response => {
| // resolve(response.data.files_path);
| // })
| });
| };
| watch(
| () => props.value,
| (newValue, oldValue) => {
| data.image_url = newValue;
| }
| );
| return {
| data,
| handlerUpload,
| handlerOnError,
| handlerBeforeOnUpload,
| };
| },
| };
| </script>
| <style lang="scss" scoped></style>
|
|
