form表单上传素材

#### 请求示例 ##### node/typescript ```typescript import FormData from "form-data"; import axios from "axios"; import moment from "moment"; /** * 上传图片 * @param hash */ async uploadMedia() { try { const response = await axios({ method: "get", url: "imageurl", responseType: "arraybuffer", }); const { data } = response; const bizContent = {}; const params: any = { appId: "appId", bizContent: JSON.stringify(bizContent), nonceStr: "nonceStr", timeStamp: moment().unix(), sign: "sign", }; const formData = new FormData({ writable: true }); formData.append("media", data, { filename: "filename", }); formData.append("data", JSON.stringify(params), { contentType: "application/json", }); const headers = await this.getHeaders(formData); const res = await axios({ method: "POST", url: `http://localhost:4003/open/media/upload`, data: formData, headers, }); console.log("res", res.data); } catch (error) { console.log("uploadMedia error", error.message); } } private async getHeaders(form: FormData) { return new Promise((resolve, reject) => { form.getLength((err, length) => { if (err) reject(err); const headers = Object.assign({ "Content-Length": length }, form.getHeaders()); resolve(headers); }); }); } ``` #### 返回示例 ```json { "code": 0, "message": "success", "requestId": "c5f710d4-87bd-43fd-a523-4f4d09265504", "imageHash": "FrohbriemRy6HbkjznYDxLKsh0KZ.jpg" } ```

form表单上传素材

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