add method of generate wechat url link and schema

src/services/wechat/Wechat.ts

@@ -2,6 +2,36 @@ import axios, { AxiosRequestConfig } from 'axios'
 import fs from 'fs'
 import { WxTokenCache } from './WxTokenCache'
 
+const URL_QRCODE = 'https://api.weixin.qq.com/wxa/getwxacodeunlimit'
+const URL_TOKEN = 'https://api.weixin.qq.com/cgi-bin/token'
+const URL_MSG_CHECK = 'https://api.weixin.qq.com/wxa/msg_sec_check'
+const URL_SUBSCRIBE_MSG = 'https://api.weixin.qq.com/cgi-bin/message/subscribe/send'
+const URL_GENERATE_URL_LINK = 'https://api.weixin.qq.com/wxa/generate_urllink'
+const URL_GENERATE_SCHEMA = 'https://api.weixin.qq.com/wxa/generatescheme'
+
+/**
+ * 刷新微信api的access token
+ * @param {string} appId
+ * @param {string} appSecret
+ * @param {boolean} refresh 是否强制刷新
+ * @return {Promise<any>}
+ */
+export async function refreshToken(appId: string, appSecret: string, refresh: boolean = false) {
+  const util = new WxTokenCache()
+  let token = util.getToken(appId)
+  if (token && !refresh) {
+    return token
+  }
+  const link = `${URL_TOKEN}?grant_type=client_credential&appid=${appId}&secret=${appSecret}`
+  const { data } = await axios.get(link)
+  if (!data.errcode) {
+    util.updateToken(appId, data.access_token, data.expires_in)
+    return data.access_token
+  } else {
+    throw new Error(data.errmsg)
+  }
+}
+
 /**
  * 生成微信小程序码
  * @param {any} appId
@@ -21,7 +51,7 @@ import { WxTokenCache } from './WxTokenCache'
 export async function generateQr({ appId, appSecret, scene, file }) {
   const stream = fs.createWriteStream(file)
   const token = await refreshToken(appId, appSecret)
-  const url = `https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=${token}`
+  const url = `${URL_QRCODE}?access_token=${token}`
   const reqParams = {
     scene: scene,
     width: 430,
@@ -44,26 +74,45 @@ export async function generateQr({ appId, appSecret, scene, file }) {
 }
 
 /**
- * 刷新微信api的access token
+ * 微信小程序生成 URL Link
- * @param {string} appId
+ * @param {any} appId
- * @param {string} appSecret
+ * @param {any} appSecret
- * @param {boolean} refresh 是否强制刷新
- * @return {Promise<any>}
  */
-export async function refreshToken(appId: string, appSecret: string, refresh: boolean = false) {
+export async function generateUrlLink({ appId, appSecret }) {
-  const util = new WxTokenCache()
+  const data = {}
-  let token = util.getToken(appId)
+  const token = await refreshToken(appId, appSecret)
-  if (token && !refresh) {
+  const url = `${URL_GENERATE_URL_LINK}?access_token=${token}`
-    return token
+  let reqConfig: AxiosRequestConfig = {
+    method: 'post',
+    url,
+    headers: {
+      'Cache-Control': 'no-cache',
+      'Content-Type': 'application/json',
+    },
+    data,
   }
-  const link = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appId}&secret=${appSecret}`
+  return axios(reqConfig)
-  const { data } = await axios.get(link)
+}
-  if (!data.errcode) {
+
-    util.updateToken(appId, data.access_token, data.expires_in)
+/**
-    return data.access_token
+ * 微信小程序生成 Schema
-  } else {
+ * @param {any} appId
-    throw new Error(data.errmsg)
+ * @param {any} appSecret
+ */
+export async function generateSchema({ appId, appSecret }) {
+  const data = {}
+  const token = await refreshToken(appId, appSecret)
+  const url = `${URL_GENERATE_SCHEMA}?access_token=${token}`
+  let reqConfig: AxiosRequestConfig = {
+    method: 'post',
+    url,
+    headers: {
+      'Cache-Control': 'no-cache',
+      'Content-Type': 'application/json',
+    },
+    data,
   }
+  return axios(reqConfig)
 }
 
 /**
@@ -73,7 +122,7 @@ export async function refreshToken(appId: string, appSecret: string, refresh: bo
 export async function msgSecCheck(content: string) {
   let data = { content }
   const token = await refreshToken('wxf8c3da4e7dfe00a2', '8c0a1e88a6b43e4be80ed6a597c0b047')
-  const url = `https://api.weixin.qq.com/wxa/msg_sec_check?access_token=${token}`
+  const url = `${URL_MSG_CHECK}?access_token=${token}`
   let reqConfig: AxiosRequestConfig = {
     method: 'post',
     url,
@@ -97,7 +146,7 @@ export async function msgSecCheck(content: string) {
 export async function sendSubscribeMessage({ appId, appSecret, openId, templateId, data }) {
   const params = { touser: openId, template_id: templateId, data }
   const token = await refreshToken(appId, appSecret)
-  const url = `https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=${token}`
+  const url = `${URL_SUBSCRIBE_MSG}?access_token=${token}`
   let reqConfig: AxiosRequestConfig = {
     method: 'post',
     url,