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  8. <title>GoWechat使用文档</title>
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  428. </head>
  429. <body class="article toc2 toc-left">
  430. <div id="header">
  431. <h1>GoWechat使用文档</h1>
  432. <div id="toc" class="toc2">
  433. <div id="toctitle">Table of Contents</div>
  434. <ul class="sectlevel1">
  435. <li><a href="#install">安装</a></li>
  436. <li><a href="#use">配置</a>
  437. <ul class="sectlevel3">
  438. <li><a href="#_参数">参数</a></li>
  439. <li><a href="#_微信平台的操作接口">微信平台的操作接口</a></li>
  440. </ul>
  441. </li>
  442. <li><a href="#_在框架中使用">在框架中使用</a>
  443. <ul class="sectlevel2">
  444. <li><a href="#_beego_中使用的例子">beego中使用的例子</a></li>
  445. <li><a href="#_gin中使用的例子">gin中使用的例子</a></li>
  446. <li><a href="#_net_http中使用的例子">net/http中使用的例子</a></li>
  447. </ul>
  448. </li>
  449. <li><a href="#mp">微信公众平台</a>
  450. <ul class="sectlevel2">
  451. <li><a href="#_1_接口参数">1.接口参数</a></li>
  452. <li><a href="#_2_接口参数创建接口">2.接口参数创建接口</a></li>
  453. <li><a href="#_3_开发消息服务器">3.开发消息服务器</a></li>
  454. <li><a href="#_4_消息类型">4.消息类型</a></li>
  455. <li><a href="#_模板消息">模板消息</a></li>
  456. <li><a href="#_用户">用户</a></li>
  457. <li><a href="#_网页授权">网页授权</a></li>
  458. <li><a href="#_jssdk">JSSDK</a></li>
  459. <li><a href="#_二维码">二维码</a></li>
  460. <li><a href="#_菜单">菜单</a></li>
  461. </ul>
  462. </li>
  463. <li><a href="#mch">微信支付(商户平台)</a>
  464. <ul class="sectlevel2">
  465. <li><a href="#_1_接口参数_2">1.接口参数</a></li>
  466. <li><a href="#_2_接口参数创建接口_2">2.接口参数创建接口</a></li>
  467. <li><a href="#_3_订单参数">3.订单参数</a></li>
  468. <li><a href="#_4_订单参数创建支付数据">4.订单参数创建支付数据</a></li>
  469. <li><a href="#_5_生成支付_js配置">5.生成支付JS配置</a></li>
  470. <li><a href="#_6_支付通知">6.支付通知</a></li>
  471. <li><a href="#_订单">订单</a></li>
  472. <li><a href="#_退款">退款</a></li>
  473. <li><a href="#_账单">账单</a></li>
  474. </ul>
  475. </li>
  476. <li><a href="#open">开放平台</a></li>
  477. <li><a href="#corp">企业微信</a></li>
  478. <li><a href="#mini">小程序</a></li>
  479. <li><a href="#code">贡献代码</a></li>
  480. </ul>
  481. </div>
  482. </div>
  483. <div id="content">
  484. <div class="sect1">
  485. <h2 id="install">安装</h2>
  486. <div class="sectionbody">
  487. <div class="literalblock">
  488. <div class="content">
  489. <pre>go get github.com/yaotian/gowechat</pre>
  490. </div>
  491. </div>
  492. </div>
  493. </div>
  494. <div class="sect1">
  495. <h2 id="use">配置</h2>
  496. <div class="sectionbody">
  497. <div class="sect3">
  498. <h4 id="_参数">参数</h4>
  499. <div class="listingblock">
  500. <div class="content">
  501. <pre class="highlight"><code class="language-go" data-lang="go">var config = wxcontext.Config{
  502. //微信公众平台,商户平台,需要填写的信息
  503. AppID: "your app id",
  504. AppSecret: "your app secret",
  505. Token: "your token",
  506. EncodingAESKey: "your encoding aes key",
  507. //以下是 mch商户平台需要的变量
  508. SslCertFilePath string //证书公钥文件的路径
  509. SslKeyFilePath string //证书私钥文件的路径
  510. SslCertContent string //公钥证书的内容
  511. SslKeyContent string //私钥证书的内容
  512. MchID string //商户ID
  513. MchAPIKey string //商户平台设置的api key
  514. }</code></pre>
  515. </div>
  516. </div>
  517. </div>
  518. <div class="sect2">
  519. <h3 id="_微信平台的操作接口">微信平台的操作接口</h3>
  520. <div class="sect3">
  521. <h4 id="_微信公众平台">微信公众平台</h4>
  522. <div class="listingblock">
  523. <div class="content">
  524. <pre class="highlight"><code class="language-go" data-lang="go">wc := gowechat.NewWechat(config)
  525. //微信公众平台
  526. mp, err := wc.MpMgr()
  527. if err != nil {
  528. return
  529. }</code></pre>
  530. </div>
  531. </div>
  532. </div>
  533. <div class="sect3">
  534. <h4 id="_微信商户平台">微信商户平台</h4>
  535. <div class="listingblock">
  536. <div class="content">
  537. <pre class="highlight"><code class="language-go" data-lang="go">wc := gowechat.NewWechat(config)
  538. //微信商户平台
  539. mch , err := wc.MchMgr()
  540. if err != nil {
  541. return
  542. }</code></pre>
  543. </div>
  544. </div>
  545. </div>
  546. </div>
  547. </div>
  548. </div>
  549. <div class="sect1">
  550. <h2 id="_在框架中使用">在框架中使用</h2>
  551. <div class="sectionbody">
  552. <div class="sect2">
  553. <h3 id="_beego_中使用的例子">beego中使用的例子</h3>
  554. <div class="literalblock">
  555. <div class="content">
  556. <pre>./examples/beego</pre>
  557. </div>
  558. </div>
  559. </div>
  560. <div class="sect2">
  561. <h3 id="_gin中使用的例子">gin中使用的例子</h3>
  562. <div class="literalblock">
  563. <div class="content">
  564. <pre>./examples/gin</pre>
  565. </div>
  566. </div>
  567. </div>
  568. <div class="sect2">
  569. <h3 id="_net_http中使用的例子">net/http中使用的例子</h3>
  570. <div class="literalblock">
  571. <div class="content">
  572. <pre>./examples/http</pre>
  573. </div>
  574. </div>
  575. </div>
  576. </div>
  577. </div>
  578. <div class="sect1">
  579. <h2 id="mp">微信公众平台</h2>
  580. <div class="sectionbody">
  581. <div class="sect2">
  582. <h3 id="_1_接口参数">1.接口参数</h3>
  583. <div class="listingblock">
  584. <div class="content">
  585. <pre class="highlight"><code class="language-go" data-lang="go">var config = wxcontext.Config{
  586. //微信公众平台,商户平台,需要填写的信息
  587. AppID: "your app id",
  588. AppSecret: "your app secret",
  589. Token: "your token",
  590. EncodingAESKey: "your encoding aes key",
  591. }</code></pre>
  592. </div>
  593. </div>
  594. </div>
  595. <div class="sect2">
  596. <h3 id="_2_接口参数创建接口">2.接口参数创建接口</h3>
  597. <div class="listingblock">
  598. <div class="content">
  599. <pre class="highlight"><code class="language-go" data-lang="go">wc := gowechat.NewWechat(config)
  600. //微信公众平台
  601. mp, err := wc.MpMgr()
  602. if err != nil {
  603. return
  604. }</code></pre>
  605. </div>
  606. </div>
  607. </div>
  608. <div class="sect2">
  609. <h3 id="_3_开发消息服务器">3.开发消息服务器</h3>
  610. <div class="paragraph">
  611. <p>将开发的消息服务器(http://your_domain/wx_server)接入到微信公众平台,有几个步骤</p>
  612. </div>
  613. <div class="olist arabic">
  614. <ol class="arabic">
  615. <li>
  616. <p>接入你的消息服务器时,微信公众号后台,会发信息给你的服务器,来进行验证。所以你的服务器需要知道如何处理验证消息。</p>
  617. </li>
  618. <li>
  619. <p>微信公众平台与你的消息服务器之间通过消息通信来进行同步合作。所以你的消息服务器需要知道如何处理消息与如何发送消息。</p>
  620. </li>
  621. </ol>
  622. </div>
  623. <div class="paragraph">
  624. <p>本接口将复杂的过程(加密,打包,验证等等)封装了,让你只需要关心业务环节。</p>
  625. </div>
  626. <div class="paragraph">
  627. <p>将以下的代码,加入到你的controller中,接口自动完成上面所说的两个功能,</p>
  628. </div>
  629. <div class="admonitionblock important">
  630. <table>
  631. <tr>
  632. <td class="icon">
  633. <i class="fa icon-important" title="Important"></i>
  634. </td>
  635. <td class="content">
  636. 你的controller需要能接收GET与POST两种消息
  637. </td>
  638. </tr>
  639. </table>
  640. </div>
  641. <div class="listingblock">
  642. <div class="content">
  643. <pre class="highlight"><code class="language-go" data-lang="go">wc := gowechat.NewWechat(config)
  644. //微信公众平台
  645. mp, err := wc.MpMgr()
  646. if err != nil {
  647. return
  648. }
  649. // 传入request和responseWriter
  650. msgHandler := mp.GetMsgHandler(c.Ctx.Request, c.Ctx.ResponseWriter)
  651. //设置接收消息的处理方法
  652. msgHandler.SetHandleMessageFunc(func(msg message.MixMessage) *message.Reply {
  653. switch msg.Event {
  654. case message.EventSubscribe:
  655. return c.handleSubscribe(&amp;msg)
  656. case message.EventScan:
  657. return c.handleScan(&amp;msg)
  658. case message.EventUnsubscribe:
  659. return c.handleUnsubscribe(&amp;msg)
  660. case message.EventClick:
  661. return c.handleClick(&amp;msg)
  662. case message.EventLocation:
  663. return c.handleLocation(&amp;msg)
  664. }
  665. switch msg.MsgType {
  666. case message.MsgTypeText:
  667. //回复消息:演示回复用户发送的消息
  668. text := message.NewText(msg.Content)
  669. return &amp;message.Reply{message.MsgTypeText, text}
  670. case message.MsgTypeImage:
  671. return c.handleImage(&amp;msg)
  672. }
  673. //处理消息接收以及回复
  674. err = msgHandler.Handle()
  675. if err != nil {
  676. beego.Error(err)
  677. }
  678. })</code></pre>
  679. </div>
  680. </div>
  681. </div>
  682. <div class="sect2">
  683. <h3 id="_4_消息类型">4.消息类型</h3>
  684. <div class="paragraph">
  685. <p>消息分为以下几种:文本、图片、视频、声音、链接、坐标、图文、文章。</p>
  686. </div>
  687. <div class="sect4">
  688. <h5 id="_文本消息">文本消息</h5>
  689. <div class="listingblock">
  690. <div class="content">
  691. <pre class="highlight"><code class="language-go" data-lang="go">//回复消息:演示回复用户发送的消息
  692. text := message.NewText("your message want to be sent")
  693. return &amp;message.Reply{message.MsgTypeText, text}</code></pre>
  694. </div>
  695. </div>
  696. </div>
  697. <div class="sect4">
  698. <h5 id="_图片消息">图片消息</h5>
  699. <div class="listingblock">
  700. <div class="content">
  701. <pre class="highlight"><code class="language-go" data-lang="go">pic := message.NewImage("your_pic_mediaID")
  702. return &amp;message.Reply{message.MsgTypeImage, pic}</code></pre>
  703. </div>
  704. </div>
  705. </div>
  706. <div class="sect4">
  707. <h5 id="_视频消息">视频消息</h5>
  708. <div class="listingblock">
  709. <div class="content">
  710. <pre class="highlight"><code class="language-go" data-lang="go">video := message.NewVideo("your_mediaID", "your_title", "your_description")
  711. return &amp;message.Reply{message.MsgTypeVideo, video}</code></pre>
  712. </div>
  713. </div>
  714. </div>
  715. <div class="sect4">
  716. <h5 id="_声音消息">声音消息</h5>
  717. <div class="listingblock">
  718. <div class="content">
  719. <pre class="highlight"><code class="language-go" data-lang="go">voice := message.NewVoice("your_mediaID")
  720. return &amp;message.Reply{message.MsgTypeVoice, voice}</code></pre>
  721. </div>
  722. </div>
  723. </div>
  724. <div class="sect4">
  725. <h5 id="_链接消息">链接消息</h5>
  726. <div class="admonitionblock note">
  727. <table>
  728. <tr>
  729. <td class="icon">
  730. <i class="fa icon-note" title="Note"></i>
  731. </td>
  732. <td class="content">
  733. 微信目前不支持回复链接消息
  734. </td>
  735. </tr>
  736. </table>
  737. </div>
  738. </div>
  739. <div class="sect4">
  740. <h5 id="_坐标消息">坐标消息</h5>
  741. <div class="admonitionblock note">
  742. <table>
  743. <tr>
  744. <td class="icon">
  745. <i class="fa icon-note" title="Note"></i>
  746. </td>
  747. <td class="content">
  748. 微信目前不支持坐标消息
  749. </td>
  750. </tr>
  751. </table>
  752. </div>
  753. </div>
  754. <div class="sect4">
  755. <h5 id="_图文消息">图文消息</h5>
  756. <div class="listingblock">
  757. <div class="content">
  758. <pre class="highlight"><code class="language-go" data-lang="go">news := message.NewNews([]*Article{message.NewArticle("your_title", "your_description", "your_picURL", "your_url")})
  759. return &amp;message.Reply{message.MsgTypeNews, news}</code></pre>
  760. </div>
  761. </div>
  762. </div>
  763. </div>
  764. <div class="sect2">
  765. <h3 id="_模板消息">模板消息</h3>
  766. </div>
  767. <div class="sect2">
  768. <h3 id="_用户">用户</h3>
  769. </div>
  770. <div class="sect2">
  771. <h3 id="_网页授权">网页授权</h3>
  772. </div>
  773. <div class="sect2">
  774. <h3 id="_jssdk">JSSDK</h3>
  775. </div>
  776. <div class="sect2">
  777. <h3 id="_二维码">二维码</h3>
  778. </div>
  779. <div class="sect2">
  780. <h3 id="_菜单">菜单</h3>
  781. </div>
  782. </div>
  783. </div>
  784. <div class="sect1">
  785. <h2 id="mch">微信支付(商户平台)</h2>
  786. <div class="sectionbody">
  787. <div class="sect2">
  788. <h3 id="_1_接口参数_2">1.接口参数</h3>
  789. <div class="listingblock">
  790. <div class="content">
  791. <pre class="highlight"><code class="language-go" data-lang="go">var config = wxcontext.Config{
  792. //微信公众平台,商户平台,需要填写的信息
  793. AppID: "your app id",
  794. AppSecret: "your app secret",
  795. Token: "your token",
  796. EncodingAESKey: "your encoding aes key",
  797. //------以下是 mch商户平台需要的变量
  798. //
  799. //证书公钥,路径,内容要保证只要有一项设置
  800. SslCertFilePath string //证书公钥文件的路径
  801. SslCertContent string //公钥证书的内容
  802. //私钥,路径,内容要保证只要有一项设置
  803. SslKeyFilePath string //证书私钥文件的路径
  804. SslKeyContent string //私钥证书的内容
  805. MchID string //商户ID
  806. MchAPIKey string //商户平台设置的api key
  807. //------ End 商户平台设置
  808. }</code></pre>
  809. </div>
  810. </div>
  811. </div>
  812. <div class="sect2">
  813. <h3 id="_2_接口参数创建接口_2">2.接口参数创建接口</h3>
  814. <div class="listingblock">
  815. <div class="content">
  816. <pre class="highlight"><code class="language-golang" data-lang="golang">wc := gowechat.NewWechat(config)
  817. //微信商户平台
  818. mch , err := wc.MchMgr()
  819. if err != nil {
  820. return
  821. }</code></pre>
  822. </div>
  823. </div>
  824. </div>
  825. <div class="sect2">
  826. <h3 id="_3_订单参数">3.订单参数</h3>
  827. <div class="listingblock">
  828. <div class="content">
  829. <pre class="highlight"><code class="language-golang" data-lang="golang">type OrderInput struct {
  830. OpenID string //trade_type=JSAPI时(即公众号支付),此参数必传,此参数为微信用户在商户对应appid下的唯一标识
  831. Body string //String(128)
  832. OutTradeNum string //String(32) 20150806125346 商户系统内部订单号,要求32个字符内,只能是数字、大小写字母_-|*@ ,且在同一个商户号下唯一。
  833. TotalFee int //分为单位
  834. IP string
  835. NotifyURL string //异步接收微信支付结果通知的回调地址,通知url必须为外网可访问的url,不能携带参数
  836. ProductID string //trade_type=NATIVE时(即扫码支付),此参数必传
  837. tradeType string //JSAPI,NATIVE,APP
  838. }</code></pre>
  839. </div>
  840. </div>
  841. </div>
  842. <div class="sect2">
  843. <h3 id="_4_订单参数创建支付数据">4.订单参数创建支付数据</h3>
  844. <div class="listingblock">
  845. <div class="content">
  846. <pre class="highlight"><code class="language-go" data-lang="go">//接口参数
  847. wc := gowechat.NewWechat(config)
  848. //商户平台接口
  849. mch , err := wc.MchMgr()
  850. if err != nil {
  851. return
  852. }
  853. //订单参数
  854. var order pay.OrderInput
  855. order.OpenID = your_openID
  856. order.Body = "购物支付"
  857. order.OutTradeNum = your_trade_num
  858. order.TotalFee = your_fee
  859. order.IP = your_ip
  860. order.NotifyURL = your_notify_URL</code></pre>
  861. </div>
  862. </div>
  863. <div class="paragraph">
  864. <p>公众号支付 H5中调用jssdk支付:</p>
  865. </div>
  866. <div class="listingblock">
  867. <div class="content">
  868. <pre class="highlight"><code class="language-go" data-lang="go">//公众号支付(jssdk支付数据)
  869. cfg, err := mch.GetPay().GetJsAPIConfig(order)</code></pre>
  870. </div>
  871. </div>
  872. <div class="paragraph">
  873. <p>扫码支付:</p>
  874. </div>
  875. <div class="listingblock">
  876. <div class="content">
  877. <pre class="highlight"><code class="language-go" data-lang="go">qrcodeImageURL, err := mch.GetPay().GetNativePayQrcodePicURL(order)</code></pre>
  878. </div>
  879. </div>
  880. </div>
  881. <div class="sect2">
  882. <h3 id="_5_生成支付_js配置">5.生成支付JS配置</h3>
  883. <div class="sect3">
  884. <h4 id="_1_weixinjsbridge">1.WeixinJSBridge:</h4>
  885. <div class="paragraph">
  886. <p>支付数据,json格式,这些数据可以传递到前端模板中使用</p>
  887. </div>
  888. <div class="listingblock">
  889. <div class="content">
  890. <pre class="highlight"><code class="language-go" data-lang="go">//公众号支付(jssdk支付数据)
  891. cfg, err := mch.GetPay().GetJsAPIConfig(order)
  892. json := cfg.ToJSON()</code></pre>
  893. </div>
  894. </div>
  895. <div class="paragraph">
  896. <p>前端的JS代码例子</p>
  897. </div>
  898. <div class="listingblock">
  899. <div class="content">
  900. <pre class="highlight"><code class="language-javascript" data-lang="javascript">...
  901. WeixinJSBridge.invoke(
  902. 'getBrandWCPayRequest', {{$json}},
  903. function(res){
  904. if(res.err_msg == "get_brand_wcpay_request:ok" ) {
  905. // 使用以上方式判断前端返回,微信团队郑重提示:
  906. // res.err_msg将在用户支付成功后返回
  907. // ok,但并不保证它绝对可靠。
  908. }
  909. }
  910. );
  911. ...</code></pre>
  912. </div>
  913. </div>
  914. </div>
  915. <div class="sect3">
  916. <h4 id="_2_jssdk">2.JSSDK:</h4>
  917. <div class="paragraph">
  918. <p>支付数据,map格式,这些数据可以传递到前端模板中使用</p>
  919. </div>
  920. <div class="listingblock">
  921. <div class="content">
  922. <pre class="highlight"><code class="language-go" data-lang="go">//公众号支付(jssdk支付数据)
  923. cfg, err := mch.GetPay().GetJsAPIConfig(order)
  924. mapData := cfg.ToMap()</code></pre>
  925. </div>
  926. </div>
  927. <div class="paragraph">
  928. <p>前端的JS代码例子</p>
  929. </div>
  930. <div class="listingblock">
  931. <div class="content">
  932. <pre class="highlight"><code class="language-javascript" data-lang="javascript">wx.chooseWXPay({
  933. timestamp: {{$timestamp}},
  934. nonceStr: {{$nonceStr}},
  935. package: {{$package}},
  936. signType: {{$signType}},
  937. paySign: {{$paySign}}, // 支付签名
  938. success: function (res) {
  939. // 支付成功后的回调函数
  940. }
  941. });</code></pre>
  942. </div>
  943. </div>
  944. </div>
  945. </div>
  946. <div class="sect2">
  947. <h3 id="_6_支付通知">6.支付通知</h3>
  948. <div class="paragraph">
  949. <p>微信支付后,微信服务器会将支付结果回调到你的服务器,服务器地址是在订单参数中设置的NotifyURL,为了安全,过来的数据需要检验正确。</p>
  950. </div>
  951. <div class="listingblock">
  952. <div class="content">
  953. <pre class="highlight"><code class="language-go" data-lang="go">wc := gowechat.NewWechat(config)
  954. //微信商户平台
  955. mch , err := wc.MchMgr()
  956. if err != nil {
  957. return
  958. }
  959. //回调的数据检查,例子
  960. req := c.Ctx.Request
  961. data, err := ioutil.ReadAll(req.Body)
  962. if err != nil {
  963. return
  964. }
  965. isSuccess, err := mch.GetPay().CheckPayNotifyData(data)
  966. if err != nil {
  967. return
  968. }
  969. //成功后,你自己的处理</code></pre>
  970. </div>
  971. </div>
  972. </div>
  973. <div class="sect2">
  974. <h3 id="_订单">订单</h3>
  975. <div class="sect3">
  976. <h4 id="_统一下单">统一下单</h4>
  977. </div>
  978. <div class="sect3">
  979. <h4 id="_查询订单">查询订单</h4>
  980. <div class="paragraph">
  981. <p>该接口提供所有微信支付订单的查询,商户可以通过该接口主动查询订单状态,完成下一步的业务逻辑。</p>
  982. </div>
  983. <div class="paragraph">
  984. <p>需要调用查询接口的情况:</p>
  985. </div>
  986. <div class="ulist">
  987. <ul>
  988. <li>
  989. <p>当商户后台、网络、服务器等出现异常,商户系统最终未接收到支付通知;</p>
  990. </li>
  991. <li>
  992. <p>调用支付接口后,返回系统错误或未知交易状态情况;</p>
  993. </li>
  994. <li>
  995. <p>调用被扫支付API,返回USERPAYING的状态;</p>
  996. </li>
  997. <li>
  998. <p>调用关单或撤销接口API之前,需确认支付状态;</p>
  999. </li>
  1000. </ul>
  1001. </div>
  1002. </div>
  1003. <div class="sect3">
  1004. <h4 id="_关闭订单">关闭订单</h4>
  1005. </div>
  1006. </div>
  1007. <div class="sect2">
  1008. <h3 id="_退款">退款</h3>
  1009. </div>
  1010. <div class="sect2">
  1011. <h3 id="_账单">账单</h3>
  1012. </div>
  1013. </div>
  1014. </div>
  1015. <div class="sect1">
  1016. <h2 id="open">开放平台</h2>
  1017. <div class="sectionbody">
  1018. </div>
  1019. </div>
  1020. <div class="sect1">
  1021. <h2 id="corp">企业微信</h2>
  1022. <div class="sectionbody">
  1023. </div>
  1024. </div>
  1025. <div class="sect1">
  1026. <h2 id="mini">小程序</h2>
  1027. <div class="sectionbody">
  1028. </div>
  1029. </div>
  1030. <div class="sect1">
  1031. <h2 id="code">贡献代码</h2>
  1032. <div class="sectionbody">
  1033. </div>
  1034. </div>
  1035. </div>
  1036. <div id="footer">
  1037. <div id="footer-text">
  1038. Last updated 2017-12-25 16:52:30 CST
  1039. </div>
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