修复签名生成机制
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@@ -127,8 +127,11 @@ def _wrap_pem(raw_b64, label):
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# ==================== 签名 / 验签 ====================
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def _build_sign_content(params):
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"""构建待签名字符串:按 key 字典序排列,排除 sign/sign_type,空值不参与。"""
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sorted_keys = sorted(k for k in params if k not in ('sign', 'sign_type'))
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"""构建待签名字符串:按 key 字典序排列,仅排除 sign,空值不参与。
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注意:sign_type 必须参与签名(支付宝验签字符串包含 sign_type)。
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"""
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sorted_keys = sorted(k for k in params if k != 'sign')
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return '&'.join(f'{k}={params[k]}' for k in sorted_keys if params[k] != '')
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