feat: 更新 Task3 类,增加用户存在性检查以避免空指针异常
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@ -28,7 +28,7 @@ class Task3
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$user_id = $value->user_id;
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//判定有没有父级 这里父级没有默认是0
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$user = User::find($user_id);
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if ($user->f_id==0) {
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if (!empty($user)&&$user->f_id==0) {
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continue;
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}
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//获取该用户的父级
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