refactor: 将登录逻辑中的data定义移到wx.login回调内

将data对象的定义从wx.login外部移到内部回调函数中，避免可能的变量作用域问题

pages/index/index.vue

@@ -175,19 +175,20 @@
 				//       执行登录逻辑...
 
 				let self = this
-				
-				let data = {
-					code: res.code
-				}
-				
-				if (uni.getStorageSync('shareId')) {
-					data.shareId = uni.getStorageSync('shareId')
-				}
-
 				wx.login({
-					success(res) {
+					success(e) {
 						// console.log(res.code,'code')
-						if (res.code) {
+						if (e.code) {
+							
+							let data = {
+								code: e.code
+							}
+							
+							if (uni.getStorageSync('shareId')) {
+								data.shareId = uni.getStorageSync('shareId')
+							}
+							
+							
 							self.$api('wxLogin', data, res => {
 								console.log(res, 'login')
 								if (res.code == 200) {