ethod, url, data) {
try {
return method + " " + url + " " + JSON.stringify(data || {});
} catch (_) {
return method + " " + url;
}
}
function _buildFormData(data) {
const fd = new URLSearchParams();
if (data && typeof data === "object") {
Object.keys(data).forEach((key) => {
const v = data[key];
if (Array.isArray(v)) {
v.forEach((val) => fd.append(key + "[]", val));
} else {
fd.append(key, v);
}
});
}
return fd;
}
function _normalize(obj) {
const res =
obj && typeof obj === "object"
? obj
: { status: 0, info: "服务器响应格式错误，请联系管理员" };
// 统一 status
if (typeof res.status === "undefined") {
if (typeof res.code !== "undefined") {
res.status =
res.code === 0 || res.code === 200 || res.code === 1
? 1
: 0;
} else if (res.success === true) {
res.status = 1;
} else if (res.success === false) {
res.status = 0;
} else {
res.status = 0;
}
}
// 统一 info
if (typeof res.info === "undefined") {
if (typeof res.msg !== "undefined") {
res.info = res.msg;
} else if (typeof res.message !== "undefined") {
res.info = res.message;
} else {
res.info = res.status ? "ok" : "请求失败";
}
}
return res;
}
function _checkLogin(res) {
const tip = String((res && (res.info || res.message)) || "");
if (
res &&
(res.code === 401 ||
res.status === -1 ||
/登录|登錄|login/i.test(tip))
) {
_emit("modernapi:login-required", { res });
return true;
}
return false;
}
async function _request(method, url, data, options) {
const opts = Object.assign(
{ timeout: DEFAULT_TIMEOUT, dedupe: true },
options || {},
);
const lockKey = _toLockKey(method, url, data);
if (opts.dedupe && _locks.has(lockKey)) {
return { status: 0, info: "请勿重复提交" };
}
const controller = new AbortController();
const timer = setTimeout(() => controller.abort(), opts.timeout);
_locks.add(lockKey);
_emit("modernapi:start", { method, url });
try {
let fetchUrl = url;
const fetchOpts = {
method,
headers: {
"X-Requested-With": "XMLHttpRequest",
},
signal: controller.signal,
};
if (method === "POST") {
fetchOpts.headers["Content-Type"] =
"application/x-www-form-urlencoded";
fetchOpts.body = _buildFormData(data);
} else {
const qs = new URLSearchParams();
if (data && typeof data === "object") {
Object.keys(data).forEach((k) => {
const v = data[k];
if (Array.isArray(v))
v.forEach((val) => qs.append(k + "[]", val));
else qs.append(k, v);
});
}
fetchUrl +=
(fetchUrl.indexOf("?") >= 0 ? "&" : "?") +
qs.toString();
}
const response = await fetch(fetchUrl, fetchOpts);
const text = await response.text();
if (!response.ok) {
return { status: 0, info: "网络错误：" + response.status };
}
let json;
try {
json = JSON.parse(text);
} catch (e) {
console.error("[ModernApi] 非 JSON 响应：", text);
return {
status: 0,
info: "服务器响应格式错误，请联系管理员",
};
}
const res = _normalize(json);
_checkLogin(res);
return res;
} catch (err) {
if (err && err.name === "AbortError") {
return { status: 0, info: "请求超时，请稍后重试" };
}
console.error("[ModernApi] 请求异常：", err);
return { status: 0, info: "请求失败，请检查网络" };
} finally {
clearTimeout(timer);
_locks.delete(lockKey);
_emit("modernapi:end", { method, url });
}
}
window.ModernApi = {
post(url, data = {}, options = {}) {
return _request("POST", url, data, options);
},
get(url, params = {}, options = {}) {
return _request("GET", url, params, options);
},
};
// --- BH 全局命名空间扩展 ---
window.BH = window.BH || {};
/**
* 互斥锁：防止重复操作
* @param {string} name 锁名称
* @param {number} ttl 自动解锁时间(ms)，默认 3000
*/
BH.lock = function (name, ttl = 3000) {
const key = "_lock_" + name;
if (window[key]) return false;
window[key] = true;
if (ttl > 0) setTimeout(() => BH.unlock(name), ttl);
return true;
};
BH.unlock = function (name) {
window["_lock_" + name] = false;
};
/**
* 包装异步操作，自动显示/隐藏全局 Loading
* @param {Promise} promise 异步任务
* @returns {Promise}
*/
BH.withLoading = async function (promise) {
_emit("modernapi:start", { method: "WRAPPER" });
try {
return await promise;
} finally {
_emit("modernapi:end", { method: "WRAPPER" });
}
};
/**
* 状态切换助手 (需依赖 jQuery)
*/
BH.showEmpty = function (elSelector, msg = "暂无数据") {
const $el = window.jQuery ? window.jQuery(elSelector) : null;
if (!$el || !$el.length) return;
$el.html(`
`);
};
BH.showError = function (
elSelector,
msg = "加载失败，请重试",
retryFnName = "",
) {
const $el = window.jQuery ? window.jQuery(elSelector) : null;
if (!$el || !$el.length) return;
const retryHtml = retryFnName
? ``
: "";
$el.html(`
`);
};
// 自动处理 [data-busy] 按钮 (需依赖 jQuery)
if (window.jQuery) {
window.jQuery(document).on("click", "[data-busy]", function (e) {
const $btn = window.jQuery(this);
const name = $btn.data("busy") || "default";
const ttl = parseInt($btn.data("busy-ttl")) || 3000;
if (!BH.lock(name, ttl)) {
e.stopImmediatePropagation();
e.preventDefault();
return false;
}
});
}
// Minimal loading overlay controlled by ModernApi start/end events
(function () {
if (
typeof window !== "undefined" &&
window.BH_DISABLE_LOADING_OVERLAY
) {
return;
}
var ref = 0;
var el = null;
var timer = null;
var delay =
typeof window !== "undefined" &&
typeof window.BH_LOADING_DELAY_MS === "number" &&
window.BH_LOADING_DELAY_MS >= 0
? window.BH_LOADING_DELAY_MS
: 0;
function ensureEl() {
if (!el) {
el = document.getElementById("modernapi-loading");
if (!el) {
el = document.createElement("div");
el.id = "modernapi-loading";
el.innerHTML = '';
if (document.body) {
document.body.appendChild(el);
} else {
document.addEventListener(
"DOMContentLoaded",
function () {
document.body &&
document.body.appendChild(el);
},
);
}
}
}
}
function show() {
ensureEl();
if (el && el.style.display !== "flex") {
el.style.display = "flex";
}
}
function hide() {
if (timer) {
clearTimeout(timer);
timer = null;
}
if (el) el.style.display = "none";
}
document.addEventListener("modernapi:start", function () {
ref++;
if (ref === 1) {
if (delay > 0) {
if (timer) {
clearTimeout(timer);
timer = null;
}
timer = setTimeout(function () {
if (ref > 0) show();
}, delay);
} else {
show();
}
}
});
document.addEventListener("modernapi:end", function () {
ref = Math.max(0, ref - 1);
if (ref === 0) {
if (timer) {
clearTimeout(timer);
timer = null;
}
hide();
}
});
})();
})();
图片加载不出来的时候请尝试切换图源
