增加小程序-云开发http api

util/error.go

@@ -3,6 +3,7 @@ package util
 import (
 	"encoding/json"
 	"fmt"
+	"reflect"
 )
 
 // CommonError 微信返回的通用错误json
@@ -23,3 +24,28 @@ func DecodeWithCommonError(response []byte, apiName string) (err error) {
 	}
 	return nil
 }
+
+// DecodeWithError 将返回值按照解析
+func DecodeWithError(response []byte, obj interface{}, apiName string) error {
+	err := json.Unmarshal(response, obj)
+	if err != nil {
+		return fmt.Errorf("json Unmarshal Error, err=%v", err)
+	}
+	responseObj := reflect.ValueOf(obj)
+	if !responseObj.IsValid() {
+		return fmt.Errorf("obj is invalid")
+	}
+	commonError := responseObj.Elem().FieldByName("CommonError")
+	if !commonError.IsValid() || commonError.Kind() != reflect.Struct {
+		return fmt.Errorf("commonError is invalid or not struct")
+	}
+	errCode := commonError.FieldByName("ErrCode")
+	errMsg := commonError.FieldByName("ErrMsg")
+	if !errCode.IsValid() || !errMsg.IsValid() {
+		return fmt.Errorf("errcode or errmsg is invalid")
+	}
+	if errCode.Int() != 0 {
+		return fmt.Errorf("%s Error , errcode=%d , errmsg=%s", apiName, errCode.Int(), errMsg.String())
+	}
+	return nil
+}

util/http.go

@@ -7,13 +7,14 @@ import (
 	"encoding/pem"
 	"encoding/xml"
 	"fmt"
-	"golang.org/x/crypto/pkcs12"
 	"io"
 	"io/ioutil"
 	"log"
 	"mime/multipart"
 	"net/http"
 	"os"
+
+	"golang.org/x/crypto/pkcs12"
 )
 
 //HTTPGet get 请求
@@ -30,17 +31,30 @@ func HTTPGet(uri string) ([]byte, error) {
 	return ioutil.ReadAll(response.Body)
 }
 
+//HTTPPost post 请求
+func HTTPPost(uri string, data string) ([]byte, error) {
+	body := bytes.NewBuffer([]byte(data))
+	response, err := http.Post(uri, "", body)
+	if err != nil {
+		return nil, err
+	}
+
+	defer response.Body.Close()
+	if response.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("http get error : uri=%v , statusCode=%v", uri, response.StatusCode)
+	}
+	return ioutil.ReadAll(response.Body)
+}
+
 //PostJSON post json 数据请求
 func PostJSON(uri string, obj interface{}) ([]byte, error) {
 	jsonData, err := json.Marshal(obj)
 	if err != nil {
 		return nil, err
 	}
-
 	jsonData = bytes.Replace(jsonData, []byte("\\u003c"), []byte("<"), -1)
 	jsonData = bytes.Replace(jsonData, []byte("\\u003e"), []byte(">"), -1)
 	jsonData = bytes.Replace(jsonData, []byte("\\u0026"), []byte("&"), -1)
-
 	body := bytes.NewBuffer(jsonData)
 	response, err := http.Post(uri, "application/json;charset=utf-8", body)
 	if err != nil {