290 lines
9.2 KiB
JavaScript
290 lines
9.2 KiB
JavaScript
const form = document.getElementById('form');
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const emailInput = document.getElementById('regemail');
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const codeInput = document.getElementById('code');
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const getCodeButton = document.getElementById('getCode');
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const passwordInput = document.getElementById('regpsw');
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const repeatPasswordInput = document.getElementById('repwd');
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const emlTip = document.getElementById('emlTip');
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const pwdTip = document.getElementById('pwdTip');
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const codeTip = document.getElementById('codeTip');
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const captchaImg = document.getElementById('captchaImg');
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const captchaInput = document.getElementById('captchaAnswer');
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const captchaTip = document.getElementById('captchaTip');
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const submitButton = document.getElementById('formsub');
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let codeTarget = ''; // 已发送验证码的目标邮箱（验证码本体由服务端校验，前端不经手）
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let cooldownTimer = null; // 重发倒计时（与服务端同邮箱 60s 发送冷却对齐）
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/* ── 图形验证码（gateway 代理 captcha 服务：GET /captcha/image） ── */
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let captchaToken = '';
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let captchaLoading = false; // 防重复点击：加载中忽略再次触发
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async function refreshCaptcha(preserveInput) {
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if (captchaLoading) return;
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captchaLoading = true;
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captchaToken = '';
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if (!preserveInput) captchaInput.value = ''; // 默认清空输入；preserveInput=true 时保留（获取验证码后）
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captchaImg.style.opacity = '0.5'; // 视觉提示：正在刷新
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try {
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const res = await fetch('/captcha/image', { cache: 'no-store' });
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if (res.status === 403) { // WAF 拦截：body 非图片，提示后待用户点击重试
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captchaImg.removeAttribute('src');
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captchaImg.alt = '验证码加载被安全规则拦截，点击重试';
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return;
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}
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if (!res.ok) throw new Error('captcha load failed');
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captchaToken = res.headers.get('X-Captcha-Token') || '';
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const blob = await res.blob();
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if (captchaImg.src && captchaImg.src.startsWith('blob:')) URL.revokeObjectURL(captchaImg.src);
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captchaImg.src = URL.createObjectURL(blob);
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captchaImg.alt = '点击刷新';
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captchaImg.style.opacity = ''; // 恢复透明度
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} catch (e) {
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captchaImg.removeAttribute('src');
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captchaImg.alt = '加载失败，点击重试';
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} finally {
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captchaLoading = false;
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}
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}
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captchaImg.addEventListener('click', refreshCaptcha);
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refreshCaptcha();
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// 发送成功后进入倒计时，避免用户触发服务端同邮箱 60s 发送冷却
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function startResendCooldown(seconds) {
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clearInterval(cooldownTimer);
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let remain = seconds;
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getCodeButton.disabled = true;
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getCodeButton.value = `${remain}s 后重发`;
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cooldownTimer = setInterval(function () {
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remain -= 1;
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if (remain <= 0) {
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clearInterval(cooldownTimer);
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cooldownTimer = null;
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getCodeButton.disabled = false;
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getCodeButton.value = '获取验证码';
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} else {
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getCodeButton.value = `${remain}s 后重发`;
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}
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}, 1000);
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}
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form.addEventListener('reset', function () {
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clearTipStyle();
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codeTarget = '';
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captchaInput.value = '';
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refreshCaptcha();
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});
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function clearTipStyle() {
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emlTip.innerHTML = '';
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pwdTip.innerHTML = '';
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codeTip.innerHTML = '';
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captchaTip.innerHTML = '';
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emlTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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pwdTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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codeTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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captchaTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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}
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clearTipStyle();
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function checkEmail() {
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const result = FormValidators.email(emailInput.value);
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emlTip.innerHTML = '';
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emlTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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emlTip.textContent = result.message;
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emlTip.classList.add(result.className);
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return result.valid ? result.value : false;
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}
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function checkPassword() {
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const result = FormValidators.password(passwordInput.value, 6);
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pwdTip.innerHTML = '';
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pwdTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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if (!result.valid) {
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pwdTip.textContent = result.message;
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pwdTip.classList.add(result.className);
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return false;
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}
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if (result.value !== repeatPasswordInput.value) {
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pwdTip.textContent = '两次输入的密码不一致！';
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pwdTip.classList.add('tip-yellow');
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return false;
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}
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pwdTip.textContent = result.message;
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pwdTip.classList.add(result.className);
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return result.value;
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}
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function checkCode() {
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const code = codeInput.value.trim();
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codeTip.innerHTML = '';
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codeTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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if (!codeTarget) {
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codeTip.textContent = '请先获取验证码！';
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codeTip.classList.add('tip-red');
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return false;
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}
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if (emailInput.value.trim() !== codeTarget) {
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codeTip.textContent = '邮箱已修改，请重新获取验证码！';
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codeTip.classList.add('tip-red');
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return false;
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}
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if (!/^\d{6}$/.test(code)) {
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codeTip.textContent = '验证码必须是6位数字！';
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codeTip.classList.add('tip-yellow');
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return false;
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}
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// 验证码正确性由服务端在注册提交时校验（一次性消费）
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return code;
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}
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function checkCaptcha() {
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captchaTip.innerHTML = '';
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captchaTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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const v = captchaInput.value.trim();
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if (!v) {
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captchaTip.textContent = '请输入图形验证码！';
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captchaTip.classList.add('tip-red');
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return false;
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}
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if (!captchaToken) {
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captchaTip.textContent = '图形验证码未加载，请点击图片刷新';
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captchaTip.classList.add('tip-red');
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return false;
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}
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return v;
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}
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passwordInput.addEventListener('focus', checkPassword);
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repeatPasswordInput.addEventListener('focus', checkPassword);
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passwordInput.addEventListener('input', checkPassword);
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repeatPasswordInput.addEventListener('input', checkPassword);
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passwordInput.addEventListener('blur', checkPassword);
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repeatPasswordInput.addEventListener('blur', checkPassword);
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emailInput.addEventListener('focus', checkEmail);
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emailInput.addEventListener('input', function () {
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checkEmail();
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if (codeTarget) {
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checkCode();
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}
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});
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emailInput.addEventListener('blur', checkEmail);
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codeInput.addEventListener('focus', checkCode);
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codeInput.addEventListener('input', checkCode);
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codeInput.addEventListener('blur', checkCode);
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getCodeButton.addEventListener('click', async function () {
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if (getCodeButton.disabled) return; // 防重复点击
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const email = checkEmail();
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if (!email) return;
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const captchaAnswer = checkCaptcha();
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if (!captchaAnswer) return;
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getCodeButton.disabled = true;
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codeTip.textContent = '验证码发送中…';
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codeTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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codeTip.classList.add('tip-yellow');
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let httpStatus = 0;
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try {
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const res = await fetch('/register/send_code', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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email,
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captcha_token: captchaToken,
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captcha_answer: captchaAnswer
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})
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});
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httpStatus = res.status;
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const responseText = await res.text();
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if (window.WafTip && WafTip.isBlocked(res, responseText)) throw new Error(WafTip.MESSAGE);
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let result;
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try { result = JSON.parse(responseText); } catch { throw new Error('服务器响应格式异常'); }
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if (!res.ok || !result.success) throw new Error(result.message || '验证码发送失败');
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codeTarget = email;
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codeInput.value = '';
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codeTip.textContent = '验证码已发送至邮箱，请查收（10 分钟内有效）';
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codeTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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codeTip.classList.add('tip-green');
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startResendCooldown(60);
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} catch (err) {
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codeTip.textContent = err.message || '验证码发送失败，请稍后重试';
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codeTip.classList.remove('tip-red', 'tip-yellow', 'tip-green');
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codeTip.classList.add('tip-red');
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if (httpStatus === 429) startResendCooldown(60); // 命中冷却/限流，倒计时对齐
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} finally {
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// CAPTCHA Token 一次性消费，无论成败都刷新图形验证码；
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// 刷新时保留已输入的图形验证码答案，避免误清空用户输入
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refreshCaptcha(true);
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if (!cooldownTimer) getCodeButton.disabled = false;
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}
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});
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form.addEventListener('submit', async function (e) {
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e.preventDefault();
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const email = checkEmail();
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const password = checkPassword();
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const code = checkCode();
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if (!email || !password || !code) {
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return;
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}
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const jsonBody = JSON.stringify({
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username: email,
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password,
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email_code: code
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});
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try {
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submitButton.disabled = true;
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const res = await fetch('/register', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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body: jsonBody
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});
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const responseText = await res.text();
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if (window.WafTip && WafTip.isBlocked(res, responseText)) throw new Error(WafTip.MESSAGE);
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let result;
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try {
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result = JSON.parse(responseText);
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} catch {
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console.error(`注册接口返回非 JSON 内容（HTTP ${res.status}）：`, responseText);
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throw new Error('服务器响应格式异常，请稍后重试');
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}
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if (!res.ok) {
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throw new Error(result.message || `注册失败（HTTP ${res.status}）`);
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}
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if (result.success) {
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alert('注册成功');
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form.reset();
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codeTarget = '';
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location.href = 'login.html';
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return;
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}
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alert(result.message || '注册失败');
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} catch (err) {
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console.error('注册请求异常：', err);
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alert(err.message || '接口请求失败，请检查后端服务是否启动');
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} finally {
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submitButton.disabled = false;
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}
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});
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