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'
                     });
                 }
             });
@@ -197,27 +199,55 @@ export default {
             uni.showLoading({
                 title: '连接设备中'
             });
-            //先断开现有蓝牙连接
-            uni.closeBLEConnection({
-                deviceId: this.deviceId,
-                success: res => {
-                    console.log('断开蓝牙连接：', JSON.stringify(res.errMsg));
-                    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
+            //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: deviceId,
+                    success: res => {
+                        console.log('断开蓝牙连接：', JSON.stringify(res.errMsg));
+                        this.deviceName = name; //设备名称
+                        this.deviceId = deviceId; //设备id
+                        this.current = index;
 
-                    //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.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;
                         }
-                        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
@@ -228,7 +258,7 @@ export default {
                     console.log('停止搜索', JSON.stringify(res.errMsg));
                     this.list = [];
                     this.startBluetoothDeviceDiscovery();
-                    
+
                     //刷新图标交互
                     this.refreshTransition = true;
                     setTimeout(() => {

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