js

pages/tag/deviceList.vue

@@ -103,10 +103,11 @@ export default {
                         fail: res => {
                             uni.hideLoading();
                             console.log('查找设备失败!');
-                            uni.showToast({
-                                icon: 'error',
-                                title: '查找设备失败！',
-                                duration: 3000
+                            uni.showModal({
+                                title: '提示',
+                                content: '查找设备失败',
+                                showCancel: false,
+                                confirmText: '关闭'
                             });
                         }
                     });
@@ -182,10 +183,11 @@ export default {
                     uni.setStorageSync('device', { name: this.deviceName, deviceId: this.deviceId });
                 },
                 fail: error => {
-                    uni.showToast({
-                        icon: 'error',
-                        title: '连接设备失败！',
-                        duration: 3000
+                    uni.showModal({
+                        title: '提示',
+                        content: '连接设备失败',
+                        showCancel: false,
+                        confirmText: '关闭'
                     });
                 }
             });
@@ -197,9 +199,12 @@ export default {
             uni.showLoading({
                 title: '连接设备中'
             });
+
+            //判断设备当前是否有连接
+            if (this.deviceId) {
                 //先断开现有蓝牙连接
                 uni.closeBLEConnection({
-                deviceId: this.deviceId,
+                    deviceId: deviceId,
                     success: res => {
                         console.log('断开蓝牙连接：', JSON.stringify(res.errMsg));
                         this.deviceName = name; //设备名称
@@ -216,8 +221,33 @@ export default {
                             }
                             this.textArr = tempArr;
                         }
+                    },
+                    fail: error => {
+                        uni.hideLoading();
+                        uni.showModal({
+                            title: '提示',
+                            content: '断开设备失败',
+                            showCancel: false,
+                            confirmText: '关闭'
+                        });
                     }
                 });
+            } else {
+                this.deviceName = name; //设备名称
+                this.deviceId = deviceId; //设备id
+                this.current = index;
+                
+                this.stopBluetoothDevicesDiscovery(); //先停止蓝牙搜索
+                
+                //恢复蓝牙连接状态的初始值
+                if (this.textArr.length > 0) {
+                    var tempArr = [];
+                    for (let i = 0; i < this.textArr.length; i++) {
+                        tempArr.push('连接');
+                    }
+                    this.textArr = tempArr;
+                }
+            }
         },
         /**
          * 刷新蓝牙列表

util/api.js

-//const API_BASE = 'https://api.ichunt.com';
-const API_BASE = 'http://api.liexin.com'
+const API_BASE = 'https://api.ichunt.com';
+//const API_BASE = 'http://api.liexin.com'
 const API = {
     /**
      *  上传数据