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@@ -605,7 +605,7 @@ class WechatService
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// 使用动态时间戳
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$current_timestamp = time();
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-
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+ $contract_code = preg_replace("/[^0-9]/", "", $contract_code);
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$params = [
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'appid' => 'wx5681205d1ef4d9d3',
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'mch_id' => $mch_id,
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@@ -623,7 +623,7 @@ class WechatService
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// 关键步骤2：对需要URL编码的参数值进行编码（签名前）
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// $params['contract_display_account'] = urlencode($params['contract_display_account']);
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- $params['notify_url'] = urlencode($params['notify_url']);
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+
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// 步骤3：参数按ASCII排序
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ksort($params);
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@@ -638,7 +638,8 @@ class WechatService
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// 关键步骤5：正确生成HMAC-SHA256签名
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$sign = strtoupper(hash_hmac('sha256', $stringSignTemp, '')); // 注意：第三个参数为空字符串
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$params['sign'] = $sign;
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-
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+ $params['notify_url'] = urlencode($params['notify_url']);
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+ $params['contract_display_account'] = urlencode($params['contract_display_account']);
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// 构建最终URL
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$queryString = "";
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foreach ($params as $k => $v) {
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