63 lines
2.7 KiB
JavaScript
63 lines
2.7 KiB
JavaScript
/* =====================================================================
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* 网络层（api.js）
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* 统一调用 /api/* 接口；localStorage 只保存 token 与 username（绝不保存密码）。
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* ===================================================================== */
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export class ApiError extends Error {
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constructor(message, status) {
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super(message);
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this.status = status;
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}
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}
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export async function api(path, { method = "GET", body } = {}) {
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const headers = { "Content-Type": "application/json" };
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const token = localStorage.getItem("token");
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if (token) headers["Authorization"] = `Bearer ${token}`;
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let res;
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try {
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res = await fetch(path, { method, headers, body: body === undefined ? undefined : JSON.stringify(body) });
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} catch (err) {
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throw new ApiError("网络请求失败，请稍后再试", 0);
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}
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let json = null;
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try { json = await res.json(); } catch (err) { /* 忽略非 JSON 响应 */ }
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if (!json || typeof json.success === "undefined") {
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throw new ApiError(`服务器响应异常（${res.status}）`, res.status);
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}
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if (!json.success) throw new ApiError(json.message || "请求失败", res.status);
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return json.data;
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}
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// multipart 表单提交（普通字段 + 单个文件），用于项目管理等
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export async function uploadForm(path, fields = {}, file = null, method = "POST") {
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const form = new FormData();
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for (const [key, value] of Object.entries(fields)) {
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if (value !== undefined && value !== null && value !== "") form.append(key, String(value));
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}
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if (file) form.append("file", file);
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const headers = {};
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const token = localStorage.getItem("token");
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if (token) headers["Authorization"] = `Bearer ${token}`;
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const res = await fetch(path, { method, headers, body: form });
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let json = null;
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try { json = await res.json(); } catch (err) { /* 忽略非 JSON 响应 */ }
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if (!json || !json.success) throw new ApiError((json && json.message) || "操作失败", res.status);
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return json.data;
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}
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// multipart 上传（头像/图片/项目文件），返回 {url, filename, size}
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export async function uploadFile(path, file, extra = {}) {
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const form = new FormData();
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form.append("file", file);
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// extra：附加字段（如上传文档时携带文章分区 category，供后端校验）
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for (const [key, value] of Object.entries(extra)) form.append(key, value);
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const headers = {};
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const token = localStorage.getItem("token");
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if (token) headers["Authorization"] = `Bearer ${token}`;
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const res = await fetch(path, { method: "POST", headers, body: form });
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let json = null;
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try { json = await res.json(); } catch (err) { /* 忽略非 JSON 响应 */ }
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if (!json || !json.success) throw new ApiError((json && json.message) || "上传失败", res.status);
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return json.data;
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} |