优化

src/views/home/test.vue

@@ -1,37 +1,20 @@
 <template>
-    <el-button @click="chooseSerial">选择扫码枪串口</el-button>
-    <el-input ref="inputRef" v-model="printValue" @keyup.enter="enterHandle" @input="inputHandle"></el-input>
+    <el-button @click="chooseSerial">打印</el-button>
 </template>
 
 <script setup>
-import _ from 'lodash'
-import { ref, onMounted } from 'vue';
-
-const inputRef = ref(null)
-
-const printValue = ref('')
-
-function enterHandle() {
-    console.log('回车了')
-}
-
-const inputHandle = _.debounce(function (e) {
-    console.log('扫码枪输入完了', e)
-}, 100)
+import { ipcRenderer } from 'electron'
 
 //选择串口设备
 const chooseSerial = async () => {
-    if ('serial' in navigator) {
-        // await port.close();
-        console.log('当前浏览器支持serial')
-        const port = await navigator.serial.requestPort()
-        await port.open({ baudRate: 9600 })
+    let printNum = localStorage.getItem('printNum')
+    if (!printNum) {
+        printNum = 1
+        localStorage.setItem('printNum', printNum)
+    } else {
+        printNum++
+        localStorage.setItem('printNum', printNum)
     }
+    ipcRenderer.send('printStart', printNum)
 };
-
-onMounted(() => {
-    setTimeout(() => {
-        inputRef.value.focus()
-    }, 1000)
-})
 </script>