pay

package
v0.0.0-...-4877452 Latest Latest
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 Go to latest Published: Mar 20, 2015 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Overview

微信支付接口. 

http://pay.weixin.qq.com/wiki/doc/api/index.php

Index

Constants

View Source 
const (
	ReturnCodeSuccess = "SUCCESS"
	ReturnCodeFail    = "FAIL"
)
View Source 
const (
	ResultCodeSuccess = "SUCCESS"
	ResultCodeFail    = "FAIL"
)
View Source 
const URLQueryMessageServerKeyName = "msg_server"

回调 URL 上索引 MessageServer 的 key 的名称. 

比如下面的回调地址里面就可以根据 server1 来索引对应的 MessageServer.
http://www.xxx.com/?msg_server=server1

索引值一般为 mchid|appid.

Variables

View Source 
var DefaultInvalidRequestHandler = InvalidRequestHandlerFunc(func(http.ResponseWriter, *http.Request, error) {})

Functions

func HttpResponseWriter 

func HttpResponseWriter(w io.Writer) http.ResponseWriter

将 io.Writer 从语义上实现 http.ResponseWriter. 

某些 http 框架可能没有提供 http.ResponseWriter, 而只是提供了 io.Writer.

func NativeURL1 

func NativeURL1(appId, mchId, productId, timestamp, nonceStr, apiKey string) string

扫码原生支付模式1的地址

func NativeURL2 

func NativeURL2(codeURL string) string

扫码原生支付模式2的地址

func NewTLSHttpClient 

func NewTLSHttpClient(certFile, keyFile string) (httpClient *http.Client, err error)

NewTLSHttpClient 创建支持双向证书认证的 http.Client

func ServeHTTP 

func ServeHTTP(w http.ResponseWriter, r *http.Request, urlValues url.Values,
	messageServer MessageServer, invalidRequestHandler InvalidRequestHandler)

func Sign 

func Sign(parameters map[string]string, apiKey string, fn func() hash.Hash) string

微信支付签名. 

parameters: 待签名的参数集合
apiKey:     API密钥
fn:         func() hash.Hash, 如果 fn == nil 则默认用 md5.New

Types

type Client 

type Client struct {
	// contains filtered or unexported fields
}

func NewClient 

func NewClient(apiKey string, httpClient *http.Client) *Client

创建一个新的 Client. 

如果 httpClient == nil 则默认用 http.DefaultClient.

func (*Client) CloseOrder 

func (clt *Client) CloseOrder(req map[string]string) (resp map[string]string, err error)

关闭订单.

func (*Client) DownloadBill 

func (clt *Client) DownloadBill(req map[string]string) (data []byte, err error)

下载对账单.

func (*Client) MicroPay 

func (clt *Client) MicroPay(req map[string]string) (resp map[string]string, err error)

提交被扫支付API.

func (*Client) OrderQuery 

func (clt *Client) OrderQuery(req map[string]string) (resp map[string]string, err error)

订单查询.

func (*Client) PostXML 

func (clt *Client) PostXML(url string, req map[string]string) (resp map[string]string, err error)

微信支付通用请求方法. 

注意: err == nil 表示协议状态都为 SUCCESS.

func (*Client) Refund 

func (clt *Client) Refund(req map[string]string) (resp map[string]string, err error)

申请退款. 

NOTE: 请求需要双向证书.

func (*Client) RefundQuery 

func (clt *Client) RefundQuery(req map[string]string) (resp map[string]string, err error)

退款查询.

func (*Client) Report 

func (clt *Client) Report(req map[string]string) (resp map[string]string, err error)

测速上报.

func (*Client) Reverse 

func (clt *Client) Reverse(req map[string]string) (resp map[string]string, err error)

撤销支付API. 

NOTE: 请求需要双向证书.

func (*Client) SendRedPack 

func (clt *Client) SendRedPack(req map[string]string) (resp map[string]string, err error)

红包发放API. 

NOTE: 请求需要双向证书

func (*Client) ShortURL 

func (clt *Client) ShortURL(req map[string]string) (resp map[string]string, err error)

转换短链接.

func (*Client) UnifiedOrder 

func (clt *Client) UnifiedOrder(req map[string]string) (resp map[string]string, err error)

统一下单.

type DefaultMessageServer 

type DefaultMessageServer struct {
	// contains filtered or unexported fields
}

func NewDefaultMessageServer 

func NewDefaultMessageServer(appId, mchId, apiKey string, handler MessageHandler) *DefaultMessageServer

func (*DefaultMessageServer) APIKey 

func (srv *DefaultMessageServer) APIKey() string

func (*DefaultMessageServer) AppId 

func (srv *DefaultMessageServer) AppId() string

func (*DefaultMessageServer) MchId 

func (srv *DefaultMessageServer) MchId() string

func (*DefaultMessageServer) MessageHandler 

func (srv *DefaultMessageServer) MessageHandler() MessageHandler

type Error 

type Error struct {
	XMLName    struct{} `xml:"xml"                  json:"-"`
	ReturnCode string   `xml:"return_code"          json:"return_code"`
	ReturnMsg  string   `xml:"return_msg,omitempty" json:"return_msg,omitempty"`
}

func (*Error) Error 

func (e *Error) Error() string

type InvalidRequestHandler 

type InvalidRequestHandler interface {
	// err 是错误信息
	ServeInvalidRequest(w http.ResponseWriter, r *http.Request, err error)
}

无效请求(非法或者错误)的处理接口.

type InvalidRequestHandlerFunc 

type InvalidRequestHandlerFunc func(http.ResponseWriter, *http.Request, error)

func (InvalidRequestHandlerFunc) ServeInvalidRequest 

func (fn InvalidRequestHandlerFunc) ServeInvalidRequest(w http.ResponseWriter, r *http.Request, err error)

type MessageHandler 

type MessageHandler interface {
	ServeMessage(w http.ResponseWriter, r *Request)
}

微信服务器推送过来的消息(事件)处理接口

type MessageHandlerFunc 

type MessageHandlerFunc func(http.ResponseWriter, *Request)

func (MessageHandlerFunc) ServeMessage 

func (fn MessageHandlerFunc) ServeMessage(w http.ResponseWriter, r *Request)

type MessageServer 

type MessageServer interface {
	AppId() string
	MchId() string
	APIKey() string // API密钥

	MessageHandler() MessageHandler // 获取 MessageHandler
}

type MessageServerFrontend 

type MessageServerFrontend struct {
	// contains filtered or unexported fields
}

处理单个APP的消息.

func NewMessageServerFrontend 

func NewMessageServerFrontend(server MessageServer, handler InvalidRequestHandler) *MessageServerFrontend

func (*MessageServerFrontend) ServeHTTP 

func (frontend *MessageServerFrontend) ServeHTTP(w http.ResponseWriter, r *http.Request)

实现 http.Handler.

type MultiMessageServerFrontend 

type MultiMessageServerFrontend struct {
	// contains filtered or unexported fields
}

多个 MessageServer 的前端, 负责处理 http 请求, net/http.Handler 的实现 

NOTE:
MultiMessageServerFrontend 可以处理多个APP的消息，但是要求在回调 URL 上加上一个
查询参数，参考常量 URLQueryMessageServerKeyName，这个参数的值就是 MultiMessageServerFrontend
索引 MessageServer 的 key。

例如回调 URL 为 http://www.xxx.com/notify_url?msg_server=1234567890，那么就可以在后端调用

  MultiMessageServerFrontend.SetMessageServer("1234567890", MessageServer)

来增加一个 MessageServer 来处理 msg_server=1234567890 的消息。

MultiMessageServerFrontend 并发安全，可以在运行中动态增加和删除 MessageServer。

func (*MultiMessageServerFrontend) DeleteAllMessageServer 

func (frontend *MultiMessageServerFrontend) DeleteAllMessageServer()

删除所有的 MessageServer

func (*MultiMessageServerFrontend) DeleteMessageServer 

func (frontend *MultiMessageServerFrontend) DeleteMessageServer(serverKey string)

删除 serverKey 对应的 MessageServer

func (*MultiMessageServerFrontend) ServeHTTP 

func (frontend *MultiMessageServerFrontend) ServeHTTP(w http.ResponseWriter, r *http.Request)

实现 http.Handler

func (*MultiMessageServerFrontend) SetInvalidRequestHandler 

func (frontend *MultiMessageServerFrontend) SetInvalidRequestHandler(handler InvalidRequestHandler)

设置 InvalidRequestHandler, 如果 handler == nil 则使用默认的 DefaultInvalidRequestHandler

func (*MultiMessageServerFrontend) SetMessageServer 

func (frontend *MultiMessageServerFrontend) SetMessageServer(serverKey string, server MessageServer)

设置 serverKey-MessageServer pair. 如果 serverKey == "" 或者 server == nil 则不做任何操作

type Request 

type Request struct {
	HttpRequest *http.Request // 可以为 nil, 因为某些 http 框架没有提供此参数

	RawMsgXML []byte            // 消息的 XML 文本
	Msg       map[string]string // 解析后的消息
}

消息(事件)请求信息

Source Files

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