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package wechatminiprogram
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"go.dtapp.net/gorequest"
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"go.dtapp.net/gostorage"
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"net/http"
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)
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type WxaGetWxaCodeResponse struct {
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Errcode int `json:"errcode"`
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Errmsg string `json:"errmsg"`
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ContentType string `json:"contentType"`
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Buffer interface{} `json:"buffer"`
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}
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type WxaGetWxaCodeResult struct {
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Result WxaGetWxaCodeResponse // 结果
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Body []byte // 内容
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Http gorequest.Response // 请求
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Err error // 错误
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}
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func newWxaGetWxaCodeResult(result WxaGetWxaCodeResponse, body []byte, http gorequest.Response, err error) *WxaGetWxaCodeResult {
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return &WxaGetWxaCodeResult{Result: result, Body: body, Http: http, Err: err}
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}
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// WxaGetWxaCode 获取小程序码，适用于需要的码数量较少的业务场景。通过该接口生成的小程序码，永久有效，有数量限制
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// https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/qr-code/wxacode.get.html
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func (c *Client) WxaGetWxaCode(ctx context.Context, notMustParams ...gorequest.Params) *WxaGetWxaCodeResult {
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// 参数
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params := gorequest.NewParamsWith(notMustParams...)
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// 请求
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request, err := c.request(ctx, fmt.Sprintf(apiUrl+"/wxa/getwxacode?access_token=%s", c.getAccessToken(ctx)), params, http.MethodPost)
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// 定义
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var response WxaGetWxaCodeResponse
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err = json.Unmarshal(request.ResponseBody, &response)
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return newWxaGetWxaCodeResult(response, request.ResponseBody, request, err)
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}
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// ErrcodeInfo 错误描述
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func (resp *WxaGetWxaCodeResult) ErrcodeInfo() string {
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switch resp.Result.Errcode {
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case 45029:
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return "生成码个数总和到达最大个数限制"
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case 40097:
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return "env_version 不合法"
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}
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return "系统繁忙"
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}
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// Check 检查
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func (resp *WxaGetWxaCodeResult) Check() error {
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// 返回是二进制图片，或者json错误
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if resp.Http.ResponseHeader.Get("Content-Type") == "image/jpeg" || resp.Http.ResponseHeader.Get("Content-Type") == "image/png" {
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return nil
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}
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return errors.New("返回不是二进制图片")
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}
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// Update 上传
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func (resp *WxaGetWxaCodeResult) Update(storage *gostorage.AliYun, filePath, fileName string) (gostorage.FileInfo, error) {
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return storage.PutObject(bytes.NewReader(resp.Body), filePath, fileName)
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}
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