func MustGetExchangeRate(from string, to string) float64 {
if !kmgStrings.IsAllAphphabet(from) {
panic(fmt.Errorf("[MustGetExchangeRate] fromName [%s] should like USD", from))
}
if !kmgStrings.IsAllAphphabet(to) {
panic(fmt.Errorf("[MustGetExchangeRate] toName [%s] should like USD", to))
}
if from == to {
panic(fmt.Errorf("[MustGetExchangeRate] fromName [%s] =toName [%s] "))
}
out := kmgHttp.MustUrlGetContent(kmgHttp.MustSetParameterMapToUrl("https://query.yahooapis.com/v1/public/yql", map[string]string{
"q": fmt.Sprintf(`select * from yahoo.finance.xchange where pair="%s%s"`, from, to),
"format": "json",
"env": "store://datatables.org/alltableswithkeys",
"callback": "",
}))
//out should look like {"query":{"count":1,"created":"2015-06-01T02:37:44Z","lang":"en","results":{"rate":{"id":"JPYCNY","Name":"JPY/CNY","Rate":"0.0501","Date":"6/1/2015","Time":"3:37am","Ask":"0.0501","Bid":"0.0501"}}}}
resp := yqlRateResponse{}
kmgJson.MustUnmarshal(out, &resp)
if resp.Query.Results.Rate.Rate == "N/A" {
panic(fmt.Errorf("[MustGetExchangeRate] Currency [%s][%s] not exist", from, to)) //有一种货币不存在.
}
rate, err := kmgStrconv.ParseFloat64(resp.Query.Results.Rate.Rate)
if err != nil {
panic(err)
}
return rate
}
//下载汇率文件接口
func (ot *OverseaTrade) MustGetExchangeRateList() (output []ExchangeRate) {
query := map[string]string{
"service": "forex_rate_file",
"partner": ot.PartnerId,
}
ot.md5Sign(query)
content := kmgHttp.MustUrlGetContent(kmgHttp.MustSetParameterMapToUrl("https://mapi.alipay.com/gateway.do", query))
lineList := strings.Split(string(content), "\n")
output = make([]ExchangeRate, 0, len(lineList))
for _, line := range lineList {
line := strings.TrimSpace(line)
if line == "" {
continue
}
part := strings.Split(line, "|")
if len(part) < 4 {
panic(fmt.Errorf("[MustGetExchangeRateList] format error"))
}
t, err := time.Parse("20060102150405", part[0]+part[1]) //考虑别处基本不会使用,就直接写在这个地方了.
if err != nil {
panic(err)
}
rate, err := kmgStrconv.ParseFloat64(part[3])
if err != nil {
panic(err)
}
output = append(output, ExchangeRate{
Time: t,
Currency: part[2],
Rate: rate,
})
}
return output
}
func TestStartProfileOnAddr(ot *testing.T) {
StartProfileOnAddr("abc", "127.0.0.1:51001")
time.Sleep(10 * time.Millisecond)
content := kmgHttp.MustUrlGetContent("http://127.0.0.1:51001/abc/gc")
kmgTest.Equal(content, []byte("SUCCESS"), string(content))
resp, err := http.Get("http://127.0.0.1:51001/abc")
kmgTest.Equal(err, nil)
kmgTest.Equal(resp.StatusCode, 200)
resp, err = http.Get("http://127.0.0.1:51001/")
kmgTest.Equal(err, nil)
kmgTest.Equal(resp.StatusCode, 404)
StartProfileOnAddr("", "127.0.0.1:51002")
time.Sleep(10 * time.Millisecond)
content = kmgHttp.MustUrlGetContent("http://127.0.0.1:51002/gc")
kmgTest.Equal(content, []byte("SUCCESS"), string(content))
resp, err = http.Get("http://127.0.0.1:51002/")
kmgTest.Equal(err, nil)
kmgTest.Equal(resp.StatusCode, 200)
}
// 单条交易查询接口
func (ot *OverseaTrade) SingleTransactionQuery(outTradeId string) (tran *OverseaTradeTransaction, err error) {
query := map[string]string{
"service": "single_trade_query",
"partner": ot.PartnerId,
"_input_charset": "utf-8",
"out_trade_no": outTradeId,
}
ot.md5Sign(query)
content := kmgHttp.MustUrlGetContent(kmgHttp.MustSetParameterMapToUrl("https://mapi.alipay.com/gateway.do", query))
response := overseaTradeTransactionQueryResponse{}
err = xml.Unmarshal(content, &response)
if err != nil {
return nil, err
}
if response.IsSuccess != "T" {
return nil, fmt.Errorf("[支付宝单条交易查询接口错误] [%s]", response.Error)
}
return &OverseaTradeTransaction{
TradeNo: response.TradeNo,
OutTradeNo: response.OutTradeNo,
Subject: response.Subject,
TradeStatus: response.TradeStatus,
}, nil
}