阿里云OpenAPI这个问题怎么解决？

用v2.0sdk。这篇
https://help.aliyun.com/zh/sdk/developer-reference/how-to-automatically-generate-an-sdk-example?spm=a2c4g.11186623.0.0.531b6ef5cDKcxY package main

import (
"fmt"

"github.com/aliyun/alibaba-cloud-sdk-go/sdk"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
)

func main() {
config := sdk.NewConfig()

// Please ensure that the environment variables ALIBABA_CLOUD_ACCESS_KEY_ID and ALIBABA_CLOUD_ACCESS_KEY_SECRET are set.
credential := credentials.NewAccessKeyCredential(os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID"), os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"))
/ use STS Token
credential := credentials.NewStsTokenCredential(os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID"), os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"), os.Getenv("ALIBABA_CLOUD_SECURITY_TOKEN")) /
client, err := sdk.NewClientWithOptions("cn-shanghai", config, credential)
if err != nil {
panic(err)
}

request := requests.NewCommonRequest()

request.Method = "POST"
request.Scheme = "https" // https | http
request.Domain = "dysmsapi.aliyuncs.com"
request.Version = "2017-05-25"
request.ApiName = "AddSmsSign"
request.QueryParams["SignName"] = "a"
request.QueryParams["Remark"] = "c"
request.QueryParams["SignSource"] = "1"
request.QueryParams["SignFileList.1.FileContents"] = "test"
request.QueryParams["SignFileList.1.FileSuffix"] = "PNG"
request.QueryParams["SignType"] = "0"

response, err := client.ProcessCommonRequest(request)
if err != nil {
panic(err)
}
fmt.Print(response.GetHttpContentString())
} 发短信是这个 上面发成申请短信签名的接口了..
package main

import (
"fmt"
"os"

"github.com/aliyun/alibaba-cloud-sdk-go/sdk"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
)

func main() {
config := sdk.NewConfig()

// Please ensure that the environment variables ALIBABA_CLOUD_ACCESS_KEY_ID and ALIBABA_CLOUD_ACCESS_KEY_SECRET are set.
credential := credentials.NewAccessKeyCredential(os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID"), os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"))
/ use STS Token
credential := credentials.NewStsTokenCredential(os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID"), os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"), os.Getenv("ALIBABA_CLOUD_SECURITY_TOKEN")) /
client, err := sdk.NewClientWithOptions("cn-shanghai", config, credential)
if err != nil {
panic(err)
}

request := requests.NewCommonRequest()

request.Method = "POST"
request.Scheme = "https" // https | http
request.Domain = "dysmsapi.aliyuncs.com"
request.Version = "2017-05-25"
request.ApiName = "SendMessageToGlobe"
request.QueryParams["To"] = "a"
request.QueryParams["From"] = "c"
request.QueryParams["Message"] = "1"
request.QueryParams["Type"] = "test"
request.QueryParams["OutId"] = "PNG"

response, err := client.ProcessCommonRequest(request)
if err != nil {
panic(err)
}
fmt.Print(response.GetHttpContentString())
} 此回答整理自钉群“阿里云 OpenAPI SDK 自签名服务群”