feat(login): 添加微信授权登录功能

- 新增微信授权API接口
- 替换立即进入按钮为微信获取手机号按钮
- 实现微信授权登录流程，包括获取code和用户信息
- 处理授权成功后的token和用户信息存储

src/api/index.ts

@@ -62,3 +62,8 @@ export const searchNews = (data: any) => {
   return Request.post("/news/search", data);
 };
 
+// 微信授权
+export const doWxAuth = (data: any) => {
+  return Request.post("/common/auth", data);
+};
+

src/pages/login/indexMini.vue

@@ -5,7 +5,18 @@
     <!-- logo -->
     <view class="logo"></view>
 
-    <view class="bottom_btn" @click="goIndex"> 立即进入 </view>
+    <!-- <view class="bottom_btn" @click="goIndex"> 立即进入 </view> -->
+
+    <button
+      open-type="getPhoneNumber"
+      @getphonenumber="getPhoneNumber"
+      class="bottom_btn"
+    >
+      <view>
+        <text>立即进入</text>
+      </view>
+    </button>
+
     <!-- 用户协议 -->
     <view class="tips">
       <u-checkbox class="checkbox" shape="circle"></u-checkbox>
@@ -28,6 +39,7 @@ import {
   onShareTimeline,
   onUnload,
 } from "@dcloudio/uni-app";
+import { doWxAuth } from "@/api/index";
 
 import { onPullDownRefresh, onReachBottom } from "@dcloudio/uni-app";
 import { useShareStore } from "@/stores/shareStore";
@@ -52,6 +64,56 @@ function goIndex() {
   });
 }
 
+// 微信获取手机号
+function getPhoneNumber(phoneObj) {
+  uni.showLoading();
+  getWxCode(phoneObj.detail);
+}
+const codeWx = ref();
+function getWxCode(phoneObj) {
+  console.log("🚀 ~ getWxCode ~ phoneObj:", phoneObj);
+  uni.login({
+    success: (res) => {
+      console.log("🚀 ~ getWxCode ~ res:", res);
+      if (res.code) {
+        //微信登录成功 已拿到code
+        codeWx.value = res.code;
+
+        doWxAuthFn(phoneObj, res.code);
+      } else {
+        console.log("登录失败！" + res.errMsg);
+      }
+    },
+  });
+}
+
+/**
+ * 微信授权
+ * @param userInfo
+ */
+async function doWxAuthFn(phoneObj, jsCode) {
+  let { code, data } = await doWxAuth({
+    jsCode: jsCode,
+    encryptedData: phoneObj.encryptedData,
+    siv: phoneObj.iv,
+  });
+  uni.hideLoading();
+  if (code == 200) {
+    uni.setStorageSync("token", data.token);
+    uni.setStorageSync("userId", data.userId);
+    // #ifdef MP-WEIXIN
+    uni.setStorageSync("unionId", data.unionId);
+    // #endif
+    // #ifdef MP-ALIPAY
+    uni.setStorageSync("openId", data.openId);
+    // #endif
+
+    emit("authFinish", true);
+  } else {
+    emit("authFinish", false);
+  }
+}
+
 onShareAppMessage((res) => {
   return {};
 });