Merge remote-tracking branch 'origin/master'

gydxnbplus/src/components/FoodLogin.vue

@@ -67,7 +67,11 @@ const onSubmit = async () => {
       reset()
       router.push('/HomeV');
     } else {
-      ElMessage.error(res.message)
+      if(res.message == null){
+        ElMessage.error("还没有打开系统哦")
+      }else{
+        ElMessage.error(res.message)
+      }
     }
   })
 }

gydxnbplus/src/views/testComp.vue

@@ -0,0 +1,75 @@
+<template>
+    <div>
+      Welcome<br />
+      <input id="text" type="text" v-model="messageInput" />
+      <div>
+        <button @click="send">send</button>
+        <button @click="closeWebSocket">close</button>
+      </div>
+      <div id="message">
+        <div>
+            <span>倒计时：</span>
+            <p>你输入的内容是：{{ messages }}</p>
+        </div>
+      </div>
+    </div>
+  </template>
+  
+  <script setup>
+  import { ref, onBeforeUnmount, onMounted } from 'vue'
+  
+  const websocket = ref(null)
+  let messages = ref('')
+  const messageInput = ref('')
+  
+  onMounted(() => {
+    if ('WebSocket' in window) {
+      websocket.value = new WebSocket('ws://localhost:9999/client/mio')
+  
+      websocket.value.onerror = () => {
+        setMessageInnerHTML('error')
+      }
+  
+      websocket.value.onopen = () => {
+        setMessageInnerHTML('open')
+      }
+  
+      websocket.value.onmessage = (event) => {
+        setMessageInnerHTML(event.data)
+      }
+  
+      websocket.value.onclose = () => {
+        setMessageInnerHTML('close')
+      }
+    } else {
+      alert('Not support websocket')
+    }
+  })
+  
+  onBeforeUnmount(() => {
+    if (websocket.value) {
+      websocket.value.close()
+    }
+  })
+  
+  function setMessageInnerHTML(innerHTML) {
+    messages.value =  innerHTML
+  }
+  
+  function closeWebSocket() {
+    if (websocket.value) {
+      console.log('关闭连接')
+      websocket.value.close()
+    }
+  }
+  
+  function send() {
+    if (websocket.value && messageInput.value) {
+      websocket.value.send(messageInput.value)
+    }
+  }
+  </script>
+  
+  <style scoped>
+  </style>
+