payCheck.php (支付回调请求)
cpcheckUsertoken.php (CP请求验证)

payCheck.php (支付回调请求)
		HTTP 请求的body内容：
		{
			"order_id":"1465718712348234627",
			"mem_id":"24627",
			"app_id": "1",
			"money": "1.00",
			"order_status": "1",
			"paytime":"1465718712",
			"attach":" attach ",
			"sign":"51295343ac734a32e1ef0196c2e82870"
		}
		假定apiKey=901f6984e638c2f96ef48675b6a32a73

		sign 的签名规则：
		md5(order_id=...&mem_id=...&app_id=...&money=...&order_status=...&paytime=...&attach=...&app_key=901f6984e638c2f96ef48675b6a32a73s)
		(替换...为实际值)

		签名原文：
		order_id=1465718712348234627&mem_id=24627&app_id=1&money=1.00&order_status=1&paytime=1465718712&attach=attach

		MD5 加密：
		echo -n 'order_id=1465718712348234627&mem_id=24627&app_id=1&money=1.00&order_status=1&paytime=1465718712&attach=attach&app_key=901f6984e638c2f96ef48675b6a32a73'|md5sum

		加密结果：51295343ac734a32e1ef0196c2e82870
		
		
		
cpcheckUsertoken.php (CP请求验证)
		HTTP 请求的body 内容：
		{
			"app_id":"1",
			"mem_id":"23s",
			"user_token": " rkmi2huqu9dv6750g5os11ilv2",
			"sign":"4753dce3ae736e7f894ebcc6cd3cff7a"
		}
		假定app_key= de933fdbede098c62cb309443c3cf251s
		sign 的签名规则：md5(app_id=...&mem_id=...&user_token=...&app_key=...)
		(替换...为实际值)

		签名原文：
		app_id=1&mem_id=23&user_token=rkmi2huqu9dv6750g5os11ilv2&app_key=de933fdbede098c62cb309443c3cf251

		sign=md5(app_id=1&mem_id=23&user_token=rkmi2huqu9dv6750g5os11ilv2&app_key=de933fdbede098c62cb309443c3cf251)

		md5加密：
		echo -n "app_id=1&mem_id=23&user_token=rkmi2huqu9dv6750g5os11ilv2&app_key=de933fdbede098c62cb309443c3cf251"|md5sum

		加密结果：4753dce3ae736e7f894ebcc6cd3cff7as

