添加测试号、生产环境可以查看debug

src/hooks/useWeiXin.ts

@@ -0,0 +1,56 @@
+import {wxSnsapiBaseLogin} from '@/api/login'
+// import {setUserInfo, getUserInfo} from '@/store/user'
+/**
+ * 微信静默授权
+ */
+const getUrlCode = (): { [key: string]: string | undefined } => {
+	// 截取url中的code方法
+	const url = location.search
+	// this.winUrl = url;
+	let theRequest: { [key: string]: string | undefined } = {}
+	if (url.indexOf('?') != -1) {
+		let str = url.slice(1)
+		let strs = str.split('&')
+		for (let i = 0; i < strs.length; i++) {
+			theRequest[strs[i].split('=')[0]] = strs[i].split('=')[1]
+		}
+	}
+	return theRequest
+}
+
+/**
+ * 微信静默授权登录
+ */
+export function snsapiBaseAuthorize() {
+	let local = window.location.href // 获取页面url
+	let appid = import.meta.env.VITE_WX_SERVICE_ACCOUNT_APPID // 公众号的APPID
+	console.log("🚀 ~ snsapiBaseAuthorize ~ appid:", appid)
+	let code = getUrlCode().code // 截取code
+	// 获取之前的code
+	let oldCode = uni.getStorageSync('wechatCode')
+
+	if (code == null || code === '' || code == 'undefined' || code == oldCode) {
+        // 如果没有code，就去请求获取code
+		console.log('当前没有code，进入授权页面')
+		let uri = encodeURIComponent(local)
+		// 设置旧的code为0，避免死循环
+		uni.setStorageSync('wechatCode',0)
+		window.location.href =
+			`https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${uri}&response_type=code&scope=snsapi_userinfo&state=123#wechat_redirect`
+    } else {
+		console.log('存在code，使用code换取用户信息')
+		// 保存最新code
+		uni.setStorageSync('wechatCode',code)
+        console.log("🚀 ~ snsapiBaseAuthorize ~ code:", code)
+        
+        // 使用code换取用户信息
+        wxSnsapiBaseLogin({code}).then(res=>{
+       	 	console.log("🚀 ~ snsapiBaseAuthorize ~ res:", res)
+			
+        }).catch(err=>{
+            // 失败就重新授权
+            uni.setStorageSync('wechatCode',0)
+            console.log('请求失败', err)
+		})
+	}
+}