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Home Backend Development PHP Tutorial PHP 微信支付URL重定向获取code问题

PHP 微信支付URL重定向获取code问题

Jun 06, 2016 pm 08:36 PM
php

微信支付的demo融进我的框架的时候,我的是OOP的写法,官方demo是原生的写法,我写了个方法去预处理微信支付,第一步获取code的时候 发给微信的 rediect_url重定向地址 返回调用我这预处理方法的时候,发现SESSION不能用了,这导致了不能回到获取订单信息的方法里进执行支付的模板了

代码如下:

//进入订单支付模板

function dopay($order='')
{
if($pay=='weixin')
{
$this->weixinpay()

<code>}

$this->dispaly('dopay.html');
</code>
Copy after login
Copy after login

}

function weixinpay()
{

<code> if(!isset($_GET['code']))
    {
        //触发微信返回code码
        $url = $jsApi->createOauthUrlForCode(WxPayConf_pub::JS_API_CALL_URL);
        Header("Location: $url"); 
         //注意这个重定向,是个巨大的坑,一旦请求微信,微信redidtc_url调用的是本方法,此时SESSION失效
         //跳转之后访问这个方法但是,这个方法没调用去模板的方法,所以没法显示模板,之后我想用SESSION保存

    }
    else
    {
        //获取code码,以获取openid
        $code   = $_GET['code'];
        $jsApi->setCode($code);
        $openid = $jsApi->getOpenId();

    }

    // 微信预支付代码。。。。。

    //按理说已经成功预支付了,应该去显示模板了,但是由于此时是微信redidtc_url直接外网访问此方法的,所以上面的index方法来不及等本方法执行完毕
    就没法调用模板了,问题来了 index -> weixinpay(微信预处理) -> 显示支付模板
     weixinpay 去调用了微信,由于需要获取code,不得不调用自己,但是调用后,SESSION失效,如何去index方法呢?
     注意:index方法是需要order_id参数的,不如报错
</code>
Copy after login
Copy after login

}

回复内容:

微信支付的demo融进我的框架的时候,我的是OOP的写法,官方demo是原生的写法,我写了个方法去预处理微信支付,第一步获取code的时候 发给微信的 rediect_url重定向地址 返回调用我这预处理方法的时候,发现SESSION不能用了,这导致了不能回到获取订单信息的方法里进执行支付的模板了

代码如下:

//进入订单支付模板

function dopay($order='')
{
if($pay=='weixin')
{
$this->weixinpay()

<code>}

$this->dispaly('dopay.html');
</code>
Copy after login
Copy after login

}

function weixinpay()
{

<code> if(!isset($_GET['code']))
    {
        //触发微信返回code码
        $url = $jsApi->createOauthUrlForCode(WxPayConf_pub::JS_API_CALL_URL);
        Header("Location: $url"); 
         //注意这个重定向,是个巨大的坑,一旦请求微信,微信redidtc_url调用的是本方法,此时SESSION失效
         //跳转之后访问这个方法但是,这个方法没调用去模板的方法,所以没法显示模板,之后我想用SESSION保存

    }
    else
    {
        //获取code码,以获取openid
        $code   = $_GET['code'];
        $jsApi->setCode($code);
        $openid = $jsApi->getOpenId();

    }

    // 微信预支付代码。。。。。

    //按理说已经成功预支付了,应该去显示模板了,但是由于此时是微信redidtc_url直接外网访问此方法的,所以上面的index方法来不及等本方法执行完毕
    就没法调用模板了,问题来了 index -> weixinpay(微信预处理) -> 显示支付模板
     weixinpay 去调用了微信,由于需要获取code,不得不调用自己,但是调用后,SESSION失效,如何去index方法呢?
     注意:index方法是需要order_id参数的,不如报错
</code>
Copy after login
Copy after login

}

微信js公众号支付步骤: 1.后端生成js package 2.前端发起支付 3.支付完成后页面js callback 4.后端callback ; 中间不涉及楼主说的code操作

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