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<template>
<!-- 已废弃 -->
<view class="qualitySpringback">
<headers :showBack="true">
<view class="headerName">
回弹仪
</view>
</headers>
<view class="content">
<view class="chart_wrap">
<view class="title" style="color: #488DEC;">·测量情况·</view>
<view class="flex">
<view class="chart">
<image class="chart_img" src="../../../static/measure1.png"></image>
<view class="chart_text">
<view class="value">{{totalSurveyNum}}</view>
<view class="name">全部测量<br />构件</view>
</view>
</view>
<view class="chart">
<image class="chart_img" src="../../../static/measure2.png" style="height: 257rpx;"></image>
<view class="chart_text">
<view class="value">{{abnormalSurveyNum}}</view>
<view class="name">不合格<br />构件</view>
</view>
</view>
</view>
</view>
<view class="title" style="color: #2A2B5B; opacity: 0.4;">·设备列表·</view>
<input type="text" v-model="sendData" placeholder="" style="border:1px solid red;padding: 10rpx 20rpx;margin-bottom: 20rpx;" />
<button type="default" @click="writeBLECharacteristicValue()">发送数据</button>
<view class="item" v-if="bluetooth" v-for="(item,index) in bluetooth" @click="createBLEConnection(item.deviceId,index)">
<view class="item_name">蓝牙编码<text class="value">{{item.name?item.name:item.deviceId}}</text></view>
<view class="item_name">信号强度<text class="value">{{item.RSSI}}</text></view>
<view class="item_name">边接状态<text class="value">{{isLink[index]==0?'未连接':isLink[index]==1?'连接中...':isLink[index]==2?'已连接':
isLink[index]==3?'连接失败':isLink[index]==4?'已断开':''
}}</text></view>
</view>
</view>
<view class="start_wrap">
<view class="start_btn" @click="measureBtn">开始测量</view>
</view>
</view>
</view>
</template>
<script>
import {
getBlooth,
createBLE,
DeviceFound,
closeBle,
writeBLE
} from '@/utils/socket/BLEConn.js';
export default {
data() {
return {
projectDetail: '',
bluetooth: [],
isLink: [],
// 调试数据
serverList: [],
characteristics: [],
readCode: '',
readCodeMsg: '',
serviceId: '',
characteristicId: '',
value: '0102',
returnMessage: '',
macAddress: "",
macValue: '',
totalSurveyNum: 0,
abnormalSurveyNum: 0,
sendData:'$RDI?#\r\n'
}
},
onLoad() {
this.projectDetail = JSON.parse(uni.getStorageSync('projectDetail'));
//在页面加载时候初始化蓝牙适配器
uni.openBluetoothAdapter({
success: (e) => {
console.log('初始化蓝牙成功:' + e.errMsg);
// 初始化完毕开始搜索
this.startBluetoothDeviceDiscovery()
},
});
this.getDevTotal();
},
methods: {
// 搜索蓝牙列表
async getList() {
uni.showLoading({
title: '搜索蓝牙中...',
icon: 'none'
})
var flag = false // 标记是否进入了getBLooth
await getBlooth().then(res => {
console.log(res)
flag = true
console.log('第' + times + '次')
if (res.devices.length == 0 && times <= 3) {
times++
this.getList()
} else {
this.bluetooth = res.devices
console.log('蓝牙设备列表')
console.log(this.bluetooth)
uni.hideLoading()
times = 1
// // 打开弹框
// this.$refs.popup.open()
// this.scanBLE = true
}
}).catch(err => {
flag = false
times = 1
})
console.log(flag)
if (!flag) {
uni.hideLoading()
uni.showToast({
title: '请先开启手机蓝牙',
icon: 'none',
mask: true
})
console.log('没有进入getBlooth')
}
},
getDevTotal() {
let that = this;
this.sendRequest({
url: 'xmgl/massReboundSurveyArea/selectProjectCount',
method: 'post',
data: {
projectSn: that.projectDetail.projectSn
},
success: res => {
that.totalSurveyNum = res.result.totalSurveyNum;
that.abnormalSurveyNum = res.result.abnormalSurveyNum;
}
})
},
startBluetoothDeviceDiscovery() {
//在页面显示的时候判断是都已经初始化完成蓝牙适配器若成功,则开始查找设备
uni.startBluetoothDevicesDiscovery({
success: res => {
console.log(res)
this.onBluetoothDeviceFound();
},
fail: res => {
uni.showToast({
icon: "none",
title: "查找设备失败!",
duration: 3000
})
}
});
},
/**
* 停止搜索蓝牙设备
*/
stopBluetoothDevicesDiscovery() {
uni.stopBluetoothDevicesDiscovery({
success: e => {
console.log('停止搜索蓝牙设备:' + e.errMsg);
},
fail: e => {
console.log('停止搜索蓝牙设备失败,错误码:' + e.errCode);
}
});
},
/**
* 发现外围设备
*/
onBluetoothDeviceFound() {
console.log("监听寻找新设备");
// this.getBluetoothDevices();
uni.onBluetoothDeviceFound(devices => {
console.log('开始监听寻找到新设备的事件');
console.log(devices)
this.getBluetoothDevices();
});
},
/**
* 获取在蓝牙模块生效期间所有已发现的蓝牙设备。包括已经和本机处于连接状态的设备。
*/
getBluetoothDevices() {
// console.log("获取蓝牙设备");
uni.getBluetoothDevices({
success: res => {
// console.log('获取蓝牙设备成功:' + res);
this.bluetooth = res.devices;
console.log(this.bluetooth)
this.bluetooth.forEach((item) => {
this.isLink.push(0)
})
// this.stopBluetoothDevicesDiscovery();
}
});
},
//断开蓝牙连接
closeBLEConnection(deviceId, index) {
uni.closeBLEConnection({
deviceId: deviceId,
success: res => {
this.isLink.splice(index, 1, 4)
console.log(res)
}
})
},
// 连接蓝牙设备
createBLEConnection(deviceId, index) {
this.deviceId = deviceId;
if (this.isLink[index] == 2) {
return;
}
this.isLink.splice(index, 1, 1)
uni.createBLEConnection({
deviceId: this.deviceId,
success: res => {
this.isLink.splice(index, 1, 2)
this.stopBluetoothDevicesDiscovery();
this.getBLEDeviceServices(this.deviceId, index);
},
fail: res => {
this.isLink.splice(index, 1, 3)
console.log(res)
}
})
},
//获取蓝牙设备所有服务(service)。
getBLEDeviceServices(deviceId, index) {
setTimeout(() => {
uni.getBLEDeviceServices({
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId: deviceId,
success: (res) => {
console.log('所有的服务数据', res)
this.serverList = res.services
this.serviceId = this.serverList[this.serverList.length - 1].uuid;
// console.log('serverId:', this.serviceId)
this.getBLEDeviceCharacteristics(this.deviceId)
// res.services.forEach((item) => {
// if (item.uuid.indexOf("FFE0") != -1) {
// this.serviceId = item.uuid;
// console.log('serverId:', this.serviceId)
// this.getBLEDeviceCharacteristics(this.deviceId)
// return
// }
// })
}
})
}, 1000)
},
// 获取蓝牙特征值
getBLEDeviceCharacteristics(deviceId) {
console.log("获取蓝牙特征值");
setTimeout(() => {
uni.getBLEDeviceCharacteristics({
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId: deviceId,
// 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
serviceId: this.serviceId,
success: (res) => {
console.log('蓝牙特征值数据', res)
this.characteristics = res.characteristics
// this.characteristicId = this.characteristics[0].uuid;
// console.log('characteristicId:', this.characteristicId)
// this.notifyBLECharacteristicValueChange(this.deviceId)
res.characteristics.forEach((item) => {
if (item.properties.write&&item.properties.notify) {
this.characteristicId = item.uuid;
console.log('characteristicId:', this.characteristicId)
this.notifyBLECharacteristicValueChange(this.deviceId)
}
})
},
fail: (res) => {
console.log(res)
}
})
}, 2000)
},
// 启用 notify 功能
notifyBLECharacteristicValueChange(deviceId) {
uni.notifyBLECharacteristicValueChange({
state: true, // 启用 notify 功能
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId: deviceId,
// 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
serviceId: this.serviceId,
// 这里的 characteristicId 需要在 getBLEDeviceCharacteristics 接口中获取
characteristicId: this.characteristicId,
success: (res) => {
console.log('启用 notify 功能 成功', res)
// setTimeout(()=>{
this.onBLECharacteristicValueChange(this.deviceId);
// },1000)
// this.readBLECharacteristicValue(this.deviceId)
},
fail: (res) => {
console.log('启用 notify 功能 失败', res)
}
})
},
ab2hex(buffer) {
const hexArr = Array.prototype.map.call(
new Uint8Array(buffer),
function(bit) {
return ('00' + bit.toString(16)).slice(-2)
}
)
return hexArr.join('')
},
// 监听低功耗蓝牙设备的特征值变化
onBLECharacteristicValueChange(deviceId) {
console.log('监听低功耗蓝牙设备的特征值变化')
uni.onBLECharacteristicValueChange((res) => {
// console.log(`characteristic ${res.characteristicId} has changed, now is ${res.value}`)
console.log('设备返回的数据')
console.log(res)
// console.log(this.ab2hex(res.value))
// for (var i = 0; i < res.value.length; i++) {
// console.log(this.hexCharCodeToStr(this.ab2hex(res.value)))
// }
// let buffer = res.value
// var binary = '';
// var bytes = new Uint8Array(buffer);
// var len = bytes.byteLength;
// for (var i = 0; i < len; i++) {
// binary += String.fromCharCode(bytes[i]);
// }
// console.log('binary',binary)
// this.macAddress = res.deviceId;
// this.macValue = this.ab2hex(res.value);
// this.readBLECharacteristicValue()
})
},
// 读取设备二进制数据
readBLECharacteristicValue() {
console.log('进入读取');
// setTimeout(()=>{
uni.readBLECharacteristicValue({
// 这里的 deviceId 需要已经通过 createBLEConnection 与对应设备建立链接
deviceId: this.deviceId,
// 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
serviceId: this.serviceId,
// 这里的 characteristicId 需要在 getBLEDeviceCharacteristics 接口中获取
characteristicId: this.characteristics[4].uuid,
success: (res) => {
console.log('readBLECharacteristicValue:', res)
this.readCode = res.errCode;
this.readCodeMsg = res.errMsg;
// this.onBLECharacteristicValueChange(this.deviceId);
},
fail: (res) => {
console.log('readBLECharacteristicValue:', res)
this.readCode = res.errCode;
this.readCodeMsg = res.errMsg;
// this.onBLECharacteristicValueChange(this.deviceId);
}
})
// },200)
},
string2buffer(str) {
// 首先将字符串转为16进制
let val = ""
for (let i = 0; i < str.length; i++) {
if (val === '') {
val = str.charCodeAt(i).toString(16)
} else {
val += ',' + str.charCodeAt(i).toString(16)
}
}
console.log('val',val)
// 将16进制转化为ArrayBuffer
return new Uint8Array(val.match(/[\da-f]{2}/gi).map(function (h) {
return parseInt(h, 16)
})).buffer
},
str2Bytes(str)
{
var pos = 0;
str = str.replace(/\s*/g,"");
var len = str.length;
if(len %2 != 0)
{
return null;
}
len /= 2;
var hexA = new Array();
for(var i=0; i<len; i++)
{
var s = str.substr(pos, 2);
var v = parseInt(s, 16);
hexA.push(v);
pos += 2;
}
return hexA;
},
// 发送二进制数据
writeBLECharacteristicValue() {
var data=this.sendData
// var buffer=this.str2Bytes(data)
// console.log('buffer',buffer)
// var data='24524449DF230D0A'
// var data ='10010001010010010001000100100111011111001000110000111000000000'
// var data16 = this.strToHexCharCode(data)+this.strToHexCharCode('#')+'0D0A'
var buffer = new ArrayBuffer(data.length)
var dataView = new DataView(buffer)
// const buffer = new ArrayBuffer(1)
// const dataView = new DataView(buffer)
// dataView.setUint8(0, 0)
for (var j = 0; j < data.length; j++) {
dataView.setUint8(j, data[j]);
// console.log('aaa',data[j],j)
}
// debugger
// console.log(dataView.getUint16(1))
// for (let i in data) {
// dataView.setUint8(i, data[i].charCodeAt() | 0);
// }
// console.log('buffer', dataView)
uni.writeBLECharacteristicValue({
// 这里的 deviceId 需要在 getBluetoothDevices onBluetoothDeviceFound 接口中获取
deviceId: this.deviceId,
// 这里的 serviceId 需要在 getBLEDeviceServices 接口中获取
serviceId: this.serviceId,
// 这里的 characteristicId 需要在 getBLEDeviceCharacteristics 接口中获取
characteristicId: this.characteristicId,
// characteristicId: this.characteristics[3].uuid,
// 这里的value是ArrayBuffer类型
value: buffer,
success: (res) => {
this.returnMessage = res.errMsg;
console.log('发送数据 success', res)
// setTimeout(()=>{
// this.readBLECharacteristicValue()
// },2000)
},
fail: (res) => {
this.returnMessage = res.errMsg;
console.log('发送数据 fail', res)
}
})
},
// 字符串和16进制的互相转换
strToHexCharCode(str) {
if (str === "")
return "";
var hexCharCode = [];
hexCharCode.push("0x");
for (var i = 0; i < str.length; i++) {
hexCharCode.push((str.charCodeAt(i)).toString(16));
}
return hexCharCode.join("");
},
// 16进制转字符串
hexCharCodeToStr(hexCharCodeStr) {
var trimedStr = hexCharCodeStr.trim();
var rawStr =
trimedStr.substr(0, 2).toLowerCase() === "0x" ?
trimedStr.substr(2) :
trimedStr;
var len = rawStr.length;
if (len % 2 !== 0) {
alert("Illegal Format ASCII Code!");
return "";
}
var curCharCode;
var resultStr = [];
for (var i = 0; i < len; i = i + 2) {
curCharCode = parseInt(rawStr.substr(i, 2), 16); // ASCII Code Value
resultStr.push(String.fromCharCode(curCharCode));
}
return resultStr.join("");
},
measureBtn() {
uni.navigateTo({
url: './selectPage'
});
this.stopBluetoothDevicesDiscovery();
},
}
}
</script>
<style scoped>
.flex {
display: flex;
align-items: center;
justify-content: space-around;
}
.flex2 {
display: flex;
align-items: center;
}
.flex3 {
display: flex;
align-items: center;
justify-content: space-between;
}
.title {
text-align: center;
font-size: 30rpx;
letter-spacing: 1.4px;
line-height: 21px;
margin-bottom: 16rpx;
}
.content {
padding: 20rpx 30rpx;
box-sizing: border-box;
width: 100%;
}
.chart_wrap {
width: 100%;
box-shadow: 0 4rpx 20rpx 0 rgba(212, 220, 236, 0.65);
border-radius: 16rpx;
background-color: rgba(251, 251, 255, 1);
box-sizing: border-box;
padding: 20rpx 0 40rpx;
margin-top: 20rpx;
margin-bottom: 40rpx;
}
.chart {
position: relative;
width: 266rpx;
height: 269rpx;
}
.chart_img {
width: 266rpx;
height: 269rpx;
position: absolute;
top: 0;
right: 0;
left: 0;
bottom: 0;
z-index: 2;
}
.chart_text {
z-index: 999;
text-align: center;
position: relative;
top: 50%;
/*偏移*/
margin-top: -38px;
}
.chart_text .value {
font-size: 60rpx;
font-weight: 700;
}
.chart_text .name {
color: #54547C;
font-size: 30rpx;
line-height: 36rpx;
}
.item {
line-height: 52rpx;
margin-top: 30rpx;
box-shadow: 0 4rpx 20rpx 0 rgba(212, 220, 236, 0.65);
border-radius: 10rpx;
padding: 20rpx 30rpx;
font-size: 28rpx;
}
.item_name {
color: rgba(42, 43, 91, 0.6);
}
.item .value {
color: #2A2B5B;
}
.start_wrap {
margin-top: 80rpx;
margin-bottom: 80rpx;
}
.start_btn {
text-align: center;
pos-bottom: 40rpx;
line-height: 90rpx;
width: 60%;
margin: 0 auto;
background-color: rgba(72, 141, 236, 1);
color: #fff;
border-radius: 70rpx;
box-shadow: 0 4rpx 4px 0 rgba(43, 141, 243, 0.42);
}
.start_btn:active {
background-color: rgba(65, 129, 254, 0.8);
}
</style>