（easywechat + Laravel 5.8）整理 PC 端微信掃碼支付全過程

composer?require?"overtrue/laravel-wechat:~5.0"

php?artisan?vendor:publish?--provider="OvertrueLaravelWeChatServiceProvider"

'payment'?=>?[ ?????????'default'?=>?[ ?????????????'sandbox'????????????=>?env('WECHAT_PAYMENT_SANDBOX',?false), ?????????????'app_id'?????????????=>?env('WECHAT_PAYMENT_APPID',?''), ?????????????'mch_id'?????????????=>?env('WECHAT_PAYMENT_MCH_ID',?'your-mch-id'), ?????????????'key'????????????????=>?env('WECHAT_PAYMENT_KEY',?'key-for-signature'), ?????????????'cert_path'??????????=>?env('WECHAT_PAYMENT_CERT_PATH',?'path/to/cert/apiclient_cert.pem'),????//?XXX:?絕對路徑！！！！ ?????????????'key_path'???????????=>?env('WECHAT_PAYMENT_KEY_PATH',?'path/to/cert/apiclient_key.pem'),??????//?XXX:?絕對路徑！！！！ ?????????????'notify_url'?????????=>?env('WECHAT_PAYMENT_NOTIFY_URL',''),???????????????????????????//?默認支付結果通知地址 ?????????], ?????????//?... ?????],

#?wechat_payment WECHAT_PAYMENT_SANDBOX=false #?真正需要配置的就下面這四行 WECHAT_PAYMENT_APPID=xxxxxxxxxxxxxxx?//?自己的 WECHAT_PAYMENT_MCH_ID=xxxxxxx??//?自己的 WECHAT_PAYMENT_KEY=xxxxxxxxxxxxxxxxxxxx??//?自己的 WECHAT_PAYMENT_NOTIFY_URL='test.abc.com/payment/notify'?//?這個地址只要是外網能夠訪問到項目的任何地址都可以,?不是需要在微信那里配置的那種,?現在還不知道怎么定義沒關系,?后面用到的時候自然就有了 SWAGGER_VERSION=3.0

"require":?{ ????"simplesoftwareio/simple-qrcode":?"~2" }

<button> ????掃碼支付 </button> <!-- 二維碼, 隨便放在當前頁面的那里都可以, 因為是通過 axios 控制, 請求成功后才會彈出的 --> <div> ????????<div> ????????????<div> ????????????????<div> ????????????????????<p>微信掃碼支付</p> ????????????????????<br> ????????????????????{{--生成的二維碼會放在這里--}} ????????????????????<div></div> ????????????????</div> ????????????</div> ????????</div> ????</div>

$('#order').click(function?()?{ ????/**?請求下單接口?**/ ????axios.get("/payment/place_order",?{ ????????params:?{ ????????????id:?"{{?$post->id?}}" ????????} ????}).then(function?(response)?{ ????????if?(response.data.code?==?200)?{ ????????????/**?把生成的二維碼放到頁面上?*/ ????????????$('#qrcode2').html(response.data.html); ????????????/**?彈出二維碼?**/ ????????????$('#qrcode').modal('show'); ????????????/**?設置定時器,?即一彈出二維碼就開始不斷請求查看支付狀態,?直到收到支付成功的返回,?再終止定時器?**/ ????????????var?timer?=?setInterval(function?()?{ ????????????????/**?在這里請求微信支付狀態的接口?**/ ????????????????axios.get('/payment/paid',?{ ????????????????????params:?{ ????????????????????'out_trade_no':response.data.order_sn, ????????????????????} ????????????????}).then(function?(response)?{ ????????????????????if?(response.data.code?==?200)?{ ????????????????????????/**?如果支付成功,?就取消定時器,?并重新加載頁面?*/ ????????????????????????window.clearInterval(timer); ????????????????????????window.location.reload(); ????????????????????????} ????????????????????}).catch(function?(error)?{ ????????????????????????????console.log(error); ????????????????????????}); ????????????????????},?3000); ????????????????} ????????????}).catch(function?(error)?{ ????????????????????console.log(error); ????????????????}); ????????????});

//?請求微信統一下單接口 Route::get('/payment/place_order',?'PaymentController@place_order')->name('web.payment.place_order'); //?請求微信接口,?查看訂單支付狀態 Route::get('/payment/paid',?'PaymentController@paid')->name('web.payment.paid'); PaymentController?里的支付邏輯 下面是具體的邏輯，用戶點擊支付后，先創建一條記錄在?PayLog?(用來記錄支付的詳細信息，所以這里還需要建?Paylog?的?model?和?migration,?migration?的內容我附在最后了，都是微信返回的字段，基本可以直接?copy?來用的) class?PaymentController?extends?Controller { ????//?請求微信接口的公用配置,?所以單獨提出來 ????private?function?payment() ????{ ????????$config?=?[ ????????????//?必要配置,?這些都是之前在?.env?里配置好的 ????????????'app_id'?=>?config('wechat.payment.default.app_id'), ????????????'mch_id'?=>?config('wechat.payment.default.mch_id'), ????????????'key'????=>?config('wechat.payment.default.key'),???//?API?密鑰 ????????????'notify_url'?=>?config('wechat.payment.default.notify_url'),???//?通知地址 ????????]; ????????//?這個就是?easywechat?封裝的了,?一行代碼搞定,?照著寫就行了 ????????$app?=?Factory::payment($config); ????????return?$app; ????} ????//?向微信請求統一下單接口,?創建預支付訂單 ????public?function?place_order($id) ????{ ????????//?因為沒有先創建訂單,?所以這里先生成一個隨機的訂單號,?存在?pay_log?里,?用來標識訂單,?支付成功后再把這個訂單號存到?order?表里 ????????$order_sn?=?date('ymd').substr(time(),-5).substr(microtime(),2,5); ????????//?根據文章?id?查出文章價格 ????????$post_price?=?optional(Post::where('id',?$id)->first())->pirce; ????????//?創建?Paylog?記錄 ????????PayLog::create([ ????????????'appid'?=>?config('wechat.payment.default.app_id'), ????????????'mch_id'?=>?config('wechat.payment.default.mch_id'), ????????????'out_trade_no'?=>?$order_sn, ????????????'post_id'?=>?$id ????????]); ????????$app?=?$this->payment(); ????????$total_fee?=?env('APP_DEBUG')???1?:?$post_price; ????????//?用?easywechat?封裝的方法請求微信的統一下單接口 ????????$result?=?$app->order->unify([ ????????????'trade_type'???????=>?'NATIVE',?//?原生支付即掃碼支付，商戶根據微信支付協議格式生成的二維碼，用戶通過微信“掃一掃”掃描二維碼后即進入付款確認界面，輸入密碼即完成支付。?? ????????????'body'?????????????=>?'投資平臺-訂單支付',?//?這個就是會展示在用戶手機上巨款界面的一句話,?隨便寫的 ????????????'out_trade_no'?????=>?$order_sn, ????????????'total_fee'????????=>?$total_fee, ????????????'spbill_create_ip'?=>?request()->ip(),?//?可選，如不傳該參數，SDK?將會自動獲取相應?IP?地址 ????????]); ????????if?($result['result_code']?==?'SUCCESS')?{ ????????????//?如果請求成功,?微信會返回一個?'code_url'?用于生成二維碼 ????????????$code_url?=?$result['code_url']; ????????????return?[ ????????????????'code'?????=>?200, ????????????????//?訂單編號,?用于在當前頁面向微信服務器發起訂單狀態查詢請求 ????????????????'order_sn'?=>?$order_sn, ????????????????//?生成二維碼 ????????????????'html'?=>?QrCode::size(200)->generate($code_url), ????????????]; ????????} ????} }

Route::post('/payment/notify',?'paymentController@notify');

protected?$except?=?[ ????????// ????????'payment/notify' ????]; 在?PaymentController.php?文件中處理接收微信信息的邏輯 ????//?接收微信支付狀態的通知 ????public?function?notify() ????{ ????????$app?=?$this->payment(); ????????//?用?easywechat?封裝的方法接收微信的信息,?根據?$message?的內容進行處理,?之后要告知微信服務器處理好了,?否則微信會一直請求這個?url,?發送信息 ????????$response?=?$app->handlePaidNotify(function($message,?$fail){ ????????????//?首先查看?order?表,?如果?order?表有記錄,?表示已經支付過了 ????????????$order?=?Order::where('order_sn',?$message['out_trade_no'])->first(); ????????????if?($order)?{ ????????????????return?true;?//?如果已經生成訂單,?表示已經處理完了,?告訴微信不用再通知了 ????????????} ????????????//?查看支付日志 ????????????$payLog?=?PayLog::where('out_trade_no',?$message['out_trade_no'])->first(); ????????????if?(!$payLog?||?$payLog->paid_at)?{?//?如果訂單不存在?或者?訂單已經支付過了 ????????????????return?true;?//?告訴微信，我已經處理完了，訂單沒找到，別再通知我了 ????????????} ????????????//?return_code?表示通信狀態，不代表支付狀態 ????????????if?($message['return_code']?===?'SUCCESS')?{ ????????????????//?用戶是否支付成功 ????????????????if?($message['result_code']?===?'SUCCESS')?{ ????????????????????//?更新支付時間為當前時間 ????????????????????$payLog->paid_at?=?now(); ????????????????????$post_id?=?$payLog->post_id; ????????????????????//?聯表查詢?post?的相關信息 ????????????????????$post_title?=?$payLog->post->title; ????????????????????$post_price?=?$payLog->post->price; ????????????????????$post_original_price?=?$payLog->post->original_price; ????????????????????$post_cover?=?$payLog->post->post_cover; ????????????????????$post_description?=?$payLog->post->description; ????????????????????$user_id?=?$payLog->post->user_id; ????????????????????//?創建訂單記錄 ????????????????????Order::create([ ????????????????????????'order_sn'?=>?$message['out_trade_no'], ????????????????????????'total_fee'?=>?$message['total_fee'], ????????????????????????'pay_log_id'?=>?$payLog->id, ????????????????????????'status'?=>?1, ????????????????????????'user_id'?=>?$user_id, ????????????????????????'paid_at'?=>?$payLog->paid_at, ????????????????????????'post_id'?=>?$post_id, ????????????????????????'post_title'?=>?$post_title, ????????????????????????'post_price'?=>?$post_price, ????????????????????????'post_original_price'?=>?$post_original_price, ????????????????????????'post_cover'?=>?$post_cover, ????????????????????????'post_description'?=>?$post_description, ????????????????????]); ????????????????????//?更新?PayLog,?這里的字段都是根據微信支付結果通知的字段設置的(https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=9_7&index=8) ????????????????????PayLog::where('out_trade_no',?$message['out_trade_no'])->update([ ????????????????????????'appid'?=>?$message['appid'], ????????????????????????'bank_type'?=>?$message['bank_type'], ????????????????????????'total_fee'?=>?$message['total_fee'], ????????????????????????'trade_type'?=>?$message['trade_type'], ????????????????????????'is_subscribe'?=>?$message['is_subscribe'], ????????????????????????'mch_id'?=>?$message['mch_id'], ????????????????????????'nonce_str'?=>?$message['nonce_str'], ????????????????????????'openid'?=>?$message['openid'], ????????????????????????'sign'?=>?$message['sign'], ????????????????????????'cash_fee'?=>?$message['cash_fee'], ????????????????????????'fee_type'?=>?$message['fee_type'], ????????????????????????'transaction_id'?=>?$message['transaction_id'], ????????????????????????'time_end'?=>?$payLog->paid_at, ????????????????????????'result_code'?=>?$message['result_code'], ????????????????????????'return_code'?=>?$message['return_code'], ????????????????????]); ????????????????} ????????????}?else?{ ????????????????//?如果支付失敗,?也更新?PayLog,?跟上面一樣,?就是多了?error?信息 ????????????????PayLog::where('out_trade_no',?$message['out_trade_no'])->update([ ????????????????????'appid'?=>?$message['appid'], ????????????????????'bank_type'?=>?$message['bank_type'], ????????????????????'total_fee'?=>?$message['total_fee'], ????????????????????'trade_type'?=>?$message['trade_type'], ????????????????????'is_subscribe'?=>?$message['is_subscribe'], ????????????????????'mch_id'?=>?$message['mch_id'], ????????????????????'nonce_str'?=>?$message['nonce_str'], ????????????????????'openid'?=>?$message['openid'], ????????????????????'sign'?=>?$message['sign'], ????????????????????'cash_fee'?=>?$message['cash_fee'], ????????????????????'fee_type'?=>?$message['fee_type'], ????????????????????'transaction_id'?=>?$message['transaction_id'], ????????????????????'time_end'?=>?$payLog->paid_at, ????????????????????'result_code'?=>?$message['result_code'], ????????????????????'return_code'?=>?$message['return_code'], ????????????????????'err_code'?=>?$message['err_code'], ????????????????????'err_code_des'?=>?$message['err_code_des'], ????????????????]); ????????????????return?$fail('通信失敗，請稍后再通知我'); ????????????} ????????????return?true;?//?返回處理完成 ????????}); ????????//?這里是必須這樣返回的,?會發送給微信服務器處理結果 ????????return?$response; ????}

public?function?post() { ????return?$this->belongsTo(Post::class); }

public?function?paid(Request?$request) ????{ ????????$out_trade_no?=?$request->get('out_trade_no'); ????????$app?=?$this->payment(); ????????//?用?easywechat?封裝的方法請求微信 ????????$result?=?$app->order->queryByOutTradeNumber($out_trade_no); ????????if?($result['trade_state']?===?'SUCCESS')? ????????????return?[ ????????????????'code'?=>?200, ????????????????'msg'?=>?'paid' ????????????]; ????????}else{ ????????????return?[ ????????????????'code'?=>?202, ????????????????'msg'?=>?'not?paid' ????????????]; ????????} ????}

public?function?up() ????{ ????????Schema::create('pay_logs',?function?(Blueprint?$table)?{ ????????????$table->bigIncrements('id'); ????????????//?根據自身業務設計的字段 ????????????$table->integer('post_id')->default(0)->comment('文章id'); ????????????//?以下均是微信支付結果通知接口返回的字段 ????????????$table->string('appid',?255)->default('')->comment('微信分配的公眾賬號ID'); ????????????$table->string('mch_id',?255)->default('')->comment('微信支付分配的商戶號'); ????????????$table->string('bank_type',?16)->default('')->comment('付款銀行'); ????????????$table->integer('cash_fee')->default(0)->comment('現金支付金額'); ????????????$table->string('fee_type',?8)->default('')->comment('貨幣種類'); ????????????$table->string('is_subscribe',?1)->default('')->comment('是否關注公眾賬號'); ????????????$table->string('nonce_str',?32)->default('')->comment('隨機字符串'); ????????????$table->string('openid',?128)->default('')->comment('用戶標識'); ????????????$table->string('out_trade_no',?32)->default('')->comment('商戶系統內部訂單號'); ????????????$table->string('result_code',?16)->default('')->comment('業務結果'); ????????????$table->string('return_code',?16)->default('')->comment('通信標識'); ????????????$table->string('sign',?32)->default('')->comment('簽名'); ????????????$table->string('prepay_id',?64)->default('')->comment('微信生成的預支付回話標識，用于后續接口調用中使用，該值有效期為2小時'); ????????????$table->dateTime('time_end')->nullable()->comment('支付完成時間'); ????????????$table->integer('total_fee')->default(0)->comment('訂單金額'); ????????????$table->string('trade_type',?16)->default('')->comment('交易類型'); ????????????$table->string('transaction_id',?32)->default('')->comment('微信支付訂單號'); ????????????$table->string('err_code',?32)->default('')->comment('錯誤代碼'); ????????????$table->string('err_code_des',?128)->default('')->comment('錯誤代碼描述'); ????????????$table->string('device_info',?32)->default('')->comment('設備號'); ????????????$table->text('attach')->nullable()->comment('商家數據包'); ????????????$table->nullableTimestamps(); ????????}); ????}