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#配置 tp5 中config.php中放入配置信息： 'wechat' => [ 'app_id' => '', //app id 'app_secret' => '', //app secret 'mch_id' => '', //商户号 'mch_key' => '', //商户 key 'cert_path' => '', //证书路径 ], 'wxpay' => [ 'app_id' => '', //app id 'app_secret' => '', //app secret 'mch_id' => '', //商户号 'mch_key' => '', //商户 key 'cert_path' => '', //证书路径 'key_path' => '', //证书路径 ],

controller： $wechat = new WechatTp();

#扫码支付 $wxPay = new WxPayTp(); $src = $wxPay->native([ body=>商品描述, attach=>附加数据, outTradeOn=>商户订单号, fee=>费用, tag=>商品标记, notify=>回掉地址, productId=>商品ID ]);

echo "";

#js支付 $jsApiParameters = $wxPay->jsApi([ body=>商品描述, attach=>附加数据, outTradeOn=>商户订单号, fee=>费用, tag=>商品标记, notify=>回掉地址, productId=>商品ID ]);

jsApiParameters为生成的用于调用微信支付接口的配置数据，用法查阅微信支付文档

yii2配置：
'components' => [
	'wechat' => [
		'class' => 'sunnnnn\wechat\mp\Wechat',
		'config' => [
			'app_id' => '',  //app id
			'app_secret' => '', //app secret
			'mch_id' => '', //商户号
			'mch_key' => '', //商户 key
			'cert_path' => '', //证书路径
		]
	],
	'wxpay' => [
		'class' => 'sunnnnn\wechat\pay\WxPay',
		'config' => [
			'app_id' => '',  //app id
			'app_secret' => '', //app secret
			'mch_id' => '', //商户号
			'mch_key' => '', //商户 key
			'cert_path' => '', //证书路径
			'key_path' => '', //证书路径
		]
	],
],

controller：

#扫码支付
$src = Yii::$app->wxpay->native([
	body=>商品描述, 
	attach=>附加数据, 
	outTradeOn=>商户订单号, 
	fee=>费用, 
	tag=>商品标记, 
	notify=>回掉地址, 
	productId=>商品ID
]);

echo "<img src='{$src}'>";

#js支付
$jsApiParameters = Yii::$app->wxpay->jsApi([
	body=>商品描述, 
	attach=>附加数据, 
	outTradeOn=>商户订单号, 
	fee=>费用, 
	tag=>商品标记, 
	notify=>回掉地址, 
	productId=>商品ID
]);

jsApiParameters为生成的用于调用微信支付接口的配置数据，用法查阅微信支付文档