fix(login): 修复登录时按钮状态及错误处理

- 添加 btnDisabled 属性，用于控制登录按钮的状态
- 在登录请求前禁用按钮，请求完成后重新启用- 优化登录失败时的错误处理逻辑
- 修复登录成功后页面跳转方式

pages/login.vue

@@ -19,7 +19,7 @@
 				<input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
 			</view>
 			<view class="action-btn">
-				<button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
+				<button :disabled="btnDisabled" :loading="btnDisabled" @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
 			</view>
 		</view>
 
@@ -51,7 +51,8 @@
 					loginname: "laobaigan",
 					password: "LBGxcx@2023!",
 				},
-				tentId: null
+				tentId: null,
+				btnDisabled:false
 			}
 		},
 		onShow() {
@@ -93,16 +94,22 @@
 					this.$modal.msgError("请输入您的密码")
 				} else {
 					this.$modal.loading("登录中，请耐心等待...")
+					this.btnDisabled = true
 					this.$Request.post(this.$config.handheldDevicedoLogin, this.loginForm).then(res => {					
 						if (res.status == 200) {								
 							uni.setStorageSync('sname', res.data.sname);
 							this.$modal.closeLoading()
-							uni.navigateTo({
+							this.btnDisabled = false
+							uni.redirectTo({
 								url: '/pages/index'
 							});
 						}
 					}).catch(err => {
+						this.$modal.closeLoading()
 						console.log(err, '错误信息')
+						this.btnDisabled = false;
+						this.loginForm.loginname="laobaigan";
+						this.loginForm.password="LBGxcx@2023!";
 					})
 				}
 			},