ThinkPHP5.0 实现 app微信支付功能

相对于之前随笔写的来说，PHP对接app微信支付功能就相对简单的多了，最近有加我的朋友问到app微信支付，所以我把app微信支付的demo展示出来供大家参考一下，希望对做这个功能的人员给予参考和帮助，

首先还是到支付页面：

微信支付的步骤大致和支付宝支付的步骤差不多，这里我讲的详细一点。

第一步：建立一个支付控制器pay.PHP，是由上个页面选择好支付方式之后确认支付后需要经过的控制器(这里选择的是微信支付),代码如下：

PHP namespace app\mobile\controller; class Pay extends Controller
{
public function pay_order()
{
$res = new OrderGoods();
//获取订单号
$where['id'] = input('post.order_sn');
$reoderSn = input('post.order_sn');
//查询订单信息
$order_info = $res->where($where)->find();
//获取支付方式
$pay_type = input('post.pay_type');//微信支付或者支付宝支付
//获取支付金额
$money = input('post.totle_sum');
//判断支付方式
switch ($pay_type) {
case 'ali';//如果支付方式为支付宝支付

            <span style="color: #0000ff"&gt;break</span><span style="color: #000000"&gt;;
        </span><span style="color: #0000ff"&gt;case</span> 'wx'<span style="color: #000000"&gt;;
            </span><span style="color: #800080"&gt;$type</span>['pay_type'] = 'wx';<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;更新支付方式为微信</span>
            <span style="color: #800080"&gt;$res</span>->where(<span style="color: #800080"&gt;$where</span>)->update(<span style="color: #800080"&gt;$type</span><span style="color: #000000"&gt;);

            </span><span style="color: #800080"&gt;$wx</span> = <span style="color: #0000ff"&gt;new</span> Wxpay();<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;实例化微信支付控制器</span>

            <span style="color: #800080"&gt;$body</span> = '订单号' . <span style="color: #800080"&gt;$order_info</span>;<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;支付说明</span>

            <span style="color: #800080"&gt;$out_trade_no</span> = <span style="color: #800080"&gt;$reoderSn</span>;<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;订单号</span>

            <span style="color: #800080"&gt;$total_fee</span> = <span style="color: #800080"&gt;$money</span> * 100;<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;支付金额(乘以100)</span>

            <span style="color: #800080"&gt;$notify_url</span> = '';<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;回调地址</span>

            <span style="color: #800080"&gt;$order</span> = <span style="color: #800080"&gt;$wx</span>->getPrePayOrder(<span style="color: #800080"&gt;$body</span>,<span style="color: #800080"&gt;$out_trade_no</span>,<span style="color: #800080"&gt;$total_fee</span>,<span style="color: #800080"&gt;$notify_url</span>);<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;<a href="https://www.jb51.cc/tag/diaoyong/" target="_blank" class="keywords">调用</a>微信支付的<a href="https://www.jb51.cc/tag/fangfa/" target="_blank" class="keywords">方法</a></span>

            <span style="color: #0000ff"&gt;if</span> (<span style="color: #800080"&gt;$order</span>['prepay_id']){<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;判断返回参数中是否有prepay_id</span>

                <span style="color: #800080"&gt;$order1</span> = <span style="color: #800080"&gt;$wx</span>->getOrder(<span style="color: #800080"&gt;$order</span>['prepay_id']);<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;执行二次签名返回参数</span>

                <span style="color: #0000ff"&gt;echo</span> json_encode(<span style="color: #0000ff"&gt;array</span>('status' => 1,'prepay_order' => no_null(<span style="color: #800080"&gt;$order1</span><span style="color: #000000"&gt;)));
            } </span><span style="color: #0000ff"&gt;else</span><span style="color: #000000"&gt; {
                </span><span style="color: #0000ff"&gt;echo</span> json_encode(<span style="color: #0000ff"&gt;array</span>('status' => 0,'msg' => <span style="color: #800080"&gt;$order</span>['err_code_des'<span style="color: #000000"&gt;]));
            }
            </span><span style="color: #0000ff"&gt;break</span><span style="color: #000000"&gt;;
    }
}

}

然后创建微信支付控制器了。命名为wx.PHP，用于执行微信支付,代码如下：

PHP namespace app\mobile\controller; WxPay = 'appid' => "", 'mch_id' => "",40493402",/*微信申请成功之后邮件中的商户id*/ 'api_key' => ""

</span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;<a href="https://www.jb51.cc/tag/huoqu/" target="_blank" class="keywords">获取</a>预支付订单</span>
<span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;function</span> getPrePayOrder(<span style="color: #800080"&gt;$body</span>,<span style="color: #800080"&gt;$notify_url</span><span style="color: #000000"&gt;){
    </span><span style="color: #800080"&gt;$url</span> = "https://api.mch.weixin.qq.com/pay/unifiedorder"<span style="color: #000000"&gt;;

    </span><span style="color: #800080"&gt;$onoce_str</span> = <span style="color: #800080"&gt;$this</span>->getRandChar(32<span style="color: #000000"&gt;);

    </span><span style="color: #800080"&gt;$data</span>["appid"] = <span style="color: #800080"&gt;$this</span>->config["appid"<span style="color: #000000"&gt;];
    </span><span style="color: #800080"&gt;$data</span>["body"] = <span style="color: #800080"&gt;$body</span><span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$data</span>["mch_id"] = <span style="color: #800080"&gt;$this</span>->config['mch_id'<span style="color: #000000"&gt;];
    </span><span style="color: #800080"&gt;$data</span>["nonce_str"] = <span style="color: #800080"&gt;$onoce_str</span><span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$data</span>["notify_url"] = <span style="color: #800080"&gt;$notify_url</span><span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$data</span>["out_trade_no"] = <span style="color: #800080"&gt;$out_trade_no</span><span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$data</span>["spbill_create_ip"] = <span style="color: #800080"&gt;$this</span>-><span style="color: #000000"&gt;get_client_ip();
    </span><span style="color: #800080"&gt;$data</span>["total_fee"] = <span style="color: #800080"&gt;$total_fee</span><span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$data</span>["trade_type"] = "APP"<span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$s</span> = <span style="color: #800080"&gt;$this</span>->getSign(<span style="color: #800080"&gt;$data</span>,<span style="color: #0000ff"&gt;false</span><span style="color: #000000"&gt;);
    </span><span style="color: #800080"&gt;$data</span>["sign"] = <span style="color: #800080"&gt;$s</span><span style="color: #000000"&gt;;

    </span><span style="color: #800080"&gt;$xml</span> = <span style="color: #800080"&gt;$this</span>->arrayToXml(<span style="color: #800080"&gt;$data</span><span style="color: #000000"&gt;);
    </span><span style="color: #800080"&gt;$response</span> = <span style="color: #800080"&gt;$this</span>->postXmlCurl(<span style="color: #800080"&gt;$xml</span>,<span style="color: #800080"&gt;$url</span><span style="color: #000000"&gt;);

    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;将微信返回的结果xml转成数组

// return $this->xmlstr_to_array($response);
return xmlToArray($response);
}

</span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;执行第二次签名，才能返回给客户端使用</span>
<span style="color: #0000ff"&gt;public</span> <span style="color: #0000ff"&gt;function</span> getOrder(<span style="color: #800080"&gt;$prepayId</span><span style="color: #000000"&gt;){
    </span><span style="color: #800080"&gt;$data</span>["appid"] = <span style="color: #800080"&gt;$this</span>->config["appid"<span style="color: #000000"&gt;];
    </span><span style="color: #800080"&gt;$data</span>["noncestr"] = <span style="color: #800080"&gt;$this</span>->getRandChar(32<span style="color: #000000"&gt;);;
    </span><span style="color: #800080"&gt;$data</span>["package"] = "Sign=WXPay"<span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$data</span>["partnerid"] = <span style="color: #800080"&gt;$this</span>->config['mch_id'<span style="color: #000000"&gt;];
    </span><span style="color: #800080"&gt;$data</span>["prepayid"] = <span style="color: #800080"&gt;$prepayId</span><span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$data</span>["timestamp"] = <span style="color: #008080"&gt;time</span><span style="color: #000000"&gt;();
    </span><span style="color: #800080"&gt;$s</span> = <span style="color: #800080"&gt;$this</span>->getSign(<span style="color: #800080"&gt;$data</span>,<span style="color: #0000ff"&gt;false</span><span style="color: #000000"&gt;);
    </span><span style="color: #800080"&gt;$data</span>["sign"] = <span style="color: #800080"&gt;$s</span><span style="color: #000000"&gt;;

    </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;$data</span><span style="color: #000000"&gt;;
}

</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;
    <a href="https://www.jb51.cc/tag/shengcheng/" target="_blank" class="keywords">生成</a>签名
</span><span style="color: #008000"&gt;*/</span>
<span style="color: #0000ff"&gt;function</span> getSign(<span style="color: #800080"&gt;$Obj</span><span style="color: #000000"&gt;)
{
    </span><span style="color: #0000ff"&gt;foreach</span> (<span style="color: #800080"&gt;$Obj</span> <span style="color: #0000ff"&gt;as</span> <span style="color: #800080"&gt;$k</span> => <span style="color: #800080"&gt;$v</span><span style="color: #000000"&gt;)
    {
        </span><span style="color: #800080"&gt;$Parameters</span>[<span style="color: #008080"&gt;strtolower</span>(<span style="color: #800080"&gt;$k</span>)] = <span style="color: #800080"&gt;$v</span><span style="color: #000000"&gt;;
    }
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;签名步骤一：按字典序排序参数</span>
    <span style="color: #008080"&gt;ksort</span>(<span style="color: #800080"&gt;$Parameters</span><span style="color: #000000"&gt;);
    </span><span style="color: #800080"&gt;$String</span> = <span style="color: #800080"&gt;$this</span>->formatBizQueryParaMap(<span style="color: #800080"&gt;$Parameters</span>,<span style="color: #0000ff"&gt;false</span><span style="color: #000000"&gt;);
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;echo "【string】 =".$String."@H_<a href="https://www.jb51.cc/tag/502/" target="_blank" class="keywords">502</a>_263@";
    //签名步骤二：在string后加入KEY</span>
    <span style="color: #800080"&gt;$String</span> = <span style="color: #800080"&gt;$String</span>."&amp;key=".<span style="color: #800080"&gt;$this</span>->config['api_key'<span style="color: #000000"&gt;];

// echo "$String
";
//签名步骤三：MD5加密
$result = strtoupper(md5($String));
return $result;
}

</span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;<a href="https://www.jb51.cc/tag/huoqu/" target="_blank" class="keywords">获取</a>指定长度的<a href="https://www.jb51.cc/tag/suiji/" target="_blank" class="keywords">随机</a>字符串</span>
<span style="color: #0000ff"&gt;function</span> getRandChar(<span style="color: #800080"&gt;$length</span><span style="color: #000000"&gt;){
    </span><span style="color: #800080"&gt;$str</span> = <span style="color: #0000ff"&gt;null</span><span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$strPol</span> = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"<span style="color: #000000"&gt;;
    </span><span style="color: #800080"&gt;$max</span> = <span style="color: #008080"&gt;strlen</span>(<span style="color: #800080"&gt;$strPol</span>)-1<span style="color: #000000"&gt;;

    </span><span style="color: #0000ff"&gt;for</span>(<span style="color: #800080"&gt;$i</span>=0;<span style="color: #800080"&gt;$i</span><<span style="color: #800080"&gt;$length</span>;<span style="color: #800080"&gt;$i</span>++<span style="color: #000000"&gt;){
        </span><span style="color: #800080"&gt;$str</span>.=<span style="color: #800080"&gt;$strPol</span>[<span style="color: #008080"&gt;rand</span>(0,<span style="color: #800080"&gt;$max</span>)];<span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;rand($min,$max)<a href="https://www.jb51.cc/tag/shengcheng/" target="_blank" class="keywords">生成</a>介于min和max两个数之间的一个<a href="https://www.jb51.cc/tag/suiji/" target="_blank" class="keywords">随机</a>整数</span>

}

    </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;$str</span><span style="color: #000000"&gt;;
}

</span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;数组转xml</span>
<span style="color: #0000ff"&gt;function</span> arrayToXml(<span style="color: #800080"&gt;$arr</span><span style="color: #000000"&gt;)
{
    </span><span style="color: #800080"&gt;$xml</span> = "<xml>"<span style="color: #000000"&gt;;
    </span><span style="color: #0000ff"&gt;foreach</span> (<span style="color: #800080"&gt;$arr</span> <span style="color: #0000ff"&gt;as</span> <span style="color: #800080"&gt;$key</span>=><span style="color: #800080"&gt;$val</span><span style="color: #000000"&gt;)
    {
        </span><span style="color: #0000ff"&gt;if</span> (<span style="color: #008080"&gt;is_numeric</span>(<span style="color: #800080"&gt;$val</span><span style="color: #000000"&gt;))
        {
            </span><span style="color: #800080"&gt;$xml</span>.="<".<span style="color: #800080"&gt;$key</span>."&gt;".<span style="color: #800080"&gt;$val</span>."</".<span style="color: #800080"&gt;$key</span>."&gt;"<span style="color: #000000"&gt;;

        }
        </span><span style="color: #0000ff"&gt;else</span>
            <span style="color: #800080"&gt;$xml</span>.="<".<span style="color: #800080"&gt;$key</span>."&gt;<![CDATA[".<span style="color: #800080"&gt;$val</span>."]]></".<span style="color: #800080"&gt;$key</span>."&gt;"<span style="color: #000000"&gt;;
    }
    </span><span style="color: #800080"&gt;$xml</span>.="</xml>"<span style="color: #000000"&gt;;
    </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;$xml</span><span style="color: #000000"&gt;;
}

</span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;post https请求，CURLOPT_POSTFIELDS xml格式</span>
<span style="color: #0000ff"&gt;function</span> postXmlCurl(<span style="color: #800080"&gt;$xml</span>,<span style="color: #800080"&gt;$url</span>,<span style="color: #800080"&gt;$second</span>=30<span style="color: #000000"&gt;)
{
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;初始化curl</span>
    <span style="color: #800080"&gt;$ch</span> =<span style="color: #000000"&gt; curl_init();
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;超时时间</span>
    curl_setopt(<span style="color: #800080"&gt;$ch</span>,CURLOPT_TIMEOUT,<span style="color: #800080"&gt;$second</span><span style="color: #000000"&gt;);
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;这里设置代理，如果有的话
    //curl_setopt($ch,CURLOPT_PROXY,'8.8.8.8');
    //curl_setopt($ch,CURLOPT_PROXYPORT,8080);</span>
    curl_setopt(<span style="color: #800080"&gt;$ch</span>,CURLOPT_URL,<span style="color: #800080"&gt;$url</span><span style="color: #000000"&gt;);
    curl_setopt(</span><span style="color: #800080"&gt;$ch</span>,CURLOPT_SSL_VERIFYPEER,<span style="color: #0000ff"&gt;FALSE</span><span style="color: #000000"&gt;);
    curl_setopt(</span><span style="color: #800080"&gt;$ch</span>,CURLOPT_SSL_VERIFYHOST,<span style="color: #0000ff"&gt;FALSE</span><span style="color: #000000"&gt;);
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;设置header</span>
    curl_setopt(<span style="color: #800080"&gt;$ch</span>,CURLOPT_HEADER,<span style="color: #0000ff"&gt;FALSE</span><span style="color: #000000"&gt;);
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;要求结果为字符串且<a href="https://www.jb51.cc/tag/shuchu/" target="_blank" class="keywords">输出</a>到屏幕上</span>
    curl_setopt(<span style="color: #800080"&gt;$ch</span>,CURLOPT_RETURNTRANSFER,<span style="color: #0000ff"&gt;TRUE</span><span style="color: #000000"&gt;);
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;post提交方式</span>
    curl_setopt(<span style="color: #800080"&gt;$ch</span>,CURLOPT_POST,<span style="color: #0000ff"&gt;TRUE</span><span style="color: #000000"&gt;);
    curl_setopt(</span><span style="color: #800080"&gt;$ch</span>,CURLOPT_POSTFIELDS,<span style="color: #800080"&gt;$xml</span><span style="color: #000000"&gt;);
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;运行curl</span>
    <span style="color: #800080"&gt;$data</span> = curl_exec(<span style="color: #800080"&gt;$ch</span><span style="color: #000000"&gt;);
    </span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;返回结果</span>
    <span style="color: #0000ff"&gt;if</span>(<span style="color: #800080"&gt;$data</span><span style="color: #000000"&gt;)
    {
        curl_close(</span><span style="color: #800080"&gt;$ch</span><span style="color: #000000"&gt;);
        </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;$data</span><span style="color: #000000"&gt;;
    }
    </span><span style="color: #0000ff"&gt;else</span><span style="color: #000000"&gt;
    {
        </span><span style="color: #800080"&gt;$error</span> = curl_errno(<span style="color: #800080"&gt;$ch</span><span style="color: #000000"&gt;);
        </span><span style="color: #0000ff"&gt;echo</span> "curl出错，<a href="https://www.jb51.cc/tag/cuowu/" target="_blank" class="keywords">错误</a>码:<span style="color: #800080"&gt;$error</span>"."<br>"<span style="color: #000000"&gt;;
        </span><span style="color: #0000ff"&gt;echo</span> "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a>@H_<a href="https://www.jb51.cc/tag/502/" target="_blank" class="keywords">502</a>_263@"<span style="color: #000000"&gt;;
        curl_close(</span><span style="color: #800080"&gt;$ch</span><span style="color: #000000"&gt;);
        </span><span style="color: #0000ff"&gt;return</span> <span style="color: #0000ff"&gt;false</span><span style="color: #000000"&gt;;
    }
}

</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;
    <a href="https://www.jb51.cc/tag/huoqu/" target="_blank" class="keywords">获取</a>当前服务器的IP
</span><span style="color: #008000"&gt;*/</span>
<span style="color: #0000ff"&gt;function</span><span style="color: #000000"&gt; get_client_ip()
{
    </span><span style="color: #0000ff"&gt;if</span> (<span style="color: #800080"&gt;$_SERVER</span>['REMOTE_ADDR'<span style="color: #000000"&gt;]) {
        </span><span style="color: #800080"&gt;$cip</span> = <span style="color: #800080"&gt;$_SERVER</span>['REMOTE_ADDR'<span style="color: #000000"&gt;];
    } </span><span style="color: #0000ff"&gt;elseif</span> (<span style="color: #008080"&gt;getenv</span>("REMOTE_ADDR"<span style="color: #000000"&gt;)) {
        </span><span style="color: #800080"&gt;$cip</span> = <span style="color: #008080"&gt;getenv</span>("REMOTE_ADDR"<span style="color: #000000"&gt;);
    } </span><span style="color: #0000ff"&gt;elseif</span> (<span style="color: #008080"&gt;getenv</span>("HTTP_CLIENT_IP"<span style="color: #000000"&gt;)) {
        </span><span style="color: #800080"&gt;$cip</span> = <span style="color: #008080"&gt;getenv</span>("HTTP_CLIENT_IP"<span style="color: #000000"&gt;);
    } </span><span style="color: #0000ff"&gt;else</span><span style="color: #000000"&gt; {
        </span><span style="color: #800080"&gt;$cip</span> = "unknown"<span style="color: #000000"&gt;;
    }
    </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;$cip</span><span style="color: #000000"&gt;;
}

</span><span style="color: #008000"&gt;//</span><span style="color: #008000"&gt;将数组转成uri字符串</span>
<span style="color: #0000ff"&gt;function</span> formatBizQueryParaMap(<span style="color: #800080"&gt;$paraMap</span>,<span style="color: #800080"&gt;$urlencode</span><span style="color: #000000"&gt;)
{
    </span><span style="color: #800080"&gt;$buff</span> = ""<span style="color: #000000"&gt;;
    </span><span style="color: #008080"&gt;ksort</span>(<span style="color: #800080"&gt;$paraMap</span><span style="color: #000000"&gt;);
    </span><span style="color: #0000ff"&gt;foreach</span> (<span style="color: #800080"&gt;$paraMap</span> <span style="color: #0000ff"&gt;as</span> <span style="color: #800080"&gt;$k</span> => <span style="color: #800080"&gt;$v</span><span style="color: #000000"&gt;)
    {
        </span><span style="color: #0000ff"&gt;if</span>(<span style="color: #800080"&gt;$urlencode</span><span style="color: #000000"&gt;)
        {
            </span><span style="color: #800080"&gt;$v</span> = <span style="color: #008080"&gt;urlencode</span>(<span style="color: #800080"&gt;$v</span><span style="color: #000000"&gt;);
        }
        </span><span style="color: #800080"&gt;$buff</span> .= <span style="color: #008080"&gt;strtolower</span>(<span style="color: #800080"&gt;$k</span>) . "=" . <span style="color: #800080"&gt;$v</span> . "&amp;"<span style="color: #000000"&gt;;
    }
    </span><span style="color: #800080"&gt;$reqPar</span><span style="color: #000000"&gt;;
    </span><span style="color: #0000ff"&gt;if</span> (<span style="color: #008080"&gt;strlen</span>(<span style="color: #800080"&gt;$buff</span>) > 0<span style="color: #000000"&gt;)
    {
        </span><span style="color: #800080"&gt;$reqPar</span> = <span style="color: #008080"&gt;substr</span>(<span style="color: #800080"&gt;$buff</span>,<span style="color: #008080"&gt;strlen</span>(<span style="color: #800080"&gt;$buff</span>)-1<span style="color: #000000"&gt;);
    }
    </span><span style="color: #0000ff"&gt;return</span> <span style="color: #800080"&gt;$reqPar</span><span style="color: #000000"&gt;;
}

</span><span style="color: #008000"&gt;/*</span><span style="color: #008000"&gt;*
xml转成数组
 </span><span style="color: #008000"&gt;*/</span>

//@H639502@loadXML($xmlstr);
// return $this->domnode_to_array($doc->documentElement);
// }
function domnode_to_array($node) {
$output = array();
switch ($node->nodeType) {
case XML_CDATA_SECTION_NODE:
case XML_TEXT_NODE:
$output = trim($node->textContent);
break;
case XML_ELEMENT_NODE:
for ($i=0,$m=$node->childNodes->length; $i<$m; $i++) {
$child = $node->childNodes->item($i);
$v = $this->domnode_to_array($child);
if(isset($child->tagName)) {
$t = $child->tagName;
if(!isset($output[$t])) {
$output[$t] = array();
}
$output[$t][] = $v;
}
elseif($v) {
$output = (string) $v;
}
}
if(is_array($output)) {
if($node->attributes->length) {
$a = array();
foreach($node->attributes as $attrName => $attrNode) {
$a[$attrName] = (string) $attrNode->value;
}
$output['@attributes'] = $a;
}
foreach ($output as $t => $v) {
if(is_array($v) && count($v)==1 && $t!='@attributes') {
$output[$t] = $v[0];
}
}
}
break;
}
return $output;
}
}

微信支付控制器里面基本不用动，只需要改几个参数就行了。很简单。

回调控制器和方法我这里就不写了，很简单的，不懂得可以私信。

流程已经没了，执行一下程序，看一下返回给前端的参数示例：

把这些参数通过和前端交互给到前端就行了，接下来就是前端拿着参数去进行支付，支付成功系统会自动调用你写的回调地址改写你所需要的代码逻辑。

至于微信控制器wx.PHP存放的位置参考之前的那个app支付宝支付文章就行了，一样的。希望以上说明对需要做这个的有所帮助。

内容，为了尊重他人劳动，转载请注明本文地址：

原文链接：https://www.f2er.com/thinkphp/71862.html

ThinkPHP5.0 实现 app微信支付功能

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