鉴权完成,并修复小程序接口拦截器问题

server/app/controller/product.js

@@ -0,0 +1,11 @@
+const Controller = require("egg").Controller
+
+class Product extends Controller {
+  async list() {
+    const {ctx: {query}} = this
+    this.ctx.body = {code: 0, data: []}
+    this.ctx.status = 200
+  }
+}
+
+module.exports = Product

server/app/controller/wxmp.js

@@ -0,0 +1,41 @@
+const Controller = require("egg").Controller
+
+const wxmpConfig = {
+  appid: "wx68ef6cfaa104652a",
+  secret: "4dccf2429685eb8787b984d61ae69119"
+}
+const table = "sys_user"
+/**
+ * 微信小程序code转unionid
+ * @param ctx
+ * @returns {Promise<*>}
+ */
+const code2Openid = async ctx => {
+  const result = await ctx.curl("https://api.weixin.qq.com/sns/jscode2session", {
+    data: {
+      ...wxmpConfig,
+      js_code: ctx.query.code,         // 登录时获取的 code
+      grant_type: 'authorization_code' // 授权类型，此处只需填写 authorization_code
+    },
+    dataType: "json"
+  })
+  return result.data?.openid
+}
+
+class WeixinMP extends Controller {
+  async token() {
+    const {ctx: {query}, app} = this
+    if (!!query.code) {
+      const wechatOpenId = await code2Openid(this.ctx)
+      if (!wechatOpenId) return this.ctx.body = {code: 1, msg: "鉴权失败,无法获取openid"}
+      const user = await app.mysql.get(table, {wechatOpenId})
+      const {name, avatar} = query
+      const result = await this.service.db.addOrUpdate(table, {name, avatar, wechatOpenId, id: user?.id})
+      const token = app.jwt.sign({id: result.data?.id}, app.config.jwt.secret)
+      this.ctx.body = {code: 0, data: "bearer " + token}
+    } else this.ctx.body = {code: 1, msg: "缺少必要参数(code)"}
+    this.ctx.status = 200
+  }
+}
+
+module.exports = WeixinMP