fix(chat): 修复uni-easyinput在手机键盘弹出时，导致页面整体上移的问题

- 新增 OptimizeInput组件以替换 uni-easyinput

pages/chat/components/messageInput.vue

@@ -1,17 +1,13 @@
 <template>
   <view class="send-wrap ss-flex">
     <view class="left ss-flex ss-flex-1">
-      <uni-easyinput
+      <optimize-input
         class="ss-flex-1 ss-p-l-22"
         :inputBorder="false"
         :clearable="false"
         v-model="message"
         placeholder="请输入你要咨询的问题"
-        :maxlength="maxLength"
-        :focus="autoFocus"
-        @focus="handleFocus"
-      ></uni-easyinput>
-      <text v-if="showCharCount" class="char-count">{{ message.length }}/{{ maxLength }}</text>
+      ></optimize-input>
     </view>
     <text class="sicon-basic bq" @tap.stop="onTools('emoji')"></text>
     <text
@@ -35,6 +31,7 @@
 
 <script setup>
   import { computed, ref, onUnmounted } from 'vue';
+  import OptimizeInput from '@/pages/chat/components/optimize-input.vue';
   /**
    * 消息发送组件
    */
@@ -49,83 +46,27 @@
       type: String,
       default: '',
     },
-    // 是否自动获取焦点
-    autoFocus: {
-      type: Boolean,
-      default: false,
-    },
-    // 最大字数限制
-    maxLength: {
-      type: Number,
-      default: 500,
-    },
-    // 是否显示字数统计
-    showCharCount: {
-      type: Boolean,
-      default: true,
-    },
   });
-
   const emits = defineEmits(['update:modelValue', 'onTools', 'sendMessage']);
-
   const message = computed({
     get() {
       return props.modelValue;
     },
     set(newValue) {
       emits(`update:modelValue`, newValue);
-    },
-  });
-
-  // 控制发送状态
-  const sending = ref(false);
-
-  // 是否禁用发送按钮
-  const isDisabled = computed(() => {
-    return !message.value.trim() || message.value.length > props.maxLength;
-  });
-
-  // 输入框获取焦点
-  const handleFocus = () => {
-    // 输入框获取焦点时关闭工具栏
-    if (props.toolsMode !== '') {
-      onTools('');
     }
-  };
+  });
+
 
   // 打开工具菜单
   function onTools(mode) {
     emits('onTools', mode);
   }
 
-  // 防抖处理
-  let sendTimer = null;
-
   // 发送消息
   function sendMessage() {
-    // 如果正在发送中，或者内容为空，则不处理
-    if (sending.value || isDisabled.value) return;
-
-    // 清除可能存在的定时器
-    if (sendTimer) clearTimeout(sendTimer);
-
-    // 设置发送状态
-    sending.value = true;
-
-    // 执行发送，并添加防抖
-    sendTimer = setTimeout(() => {
-      emits('sendMessage');
-      // 发送完成后重置状态
-      setTimeout(() => {
-        sending.value = false;
-      }, 300);
-    }, 300);
+    emits('sendMessage');
   }
-
-  // 组件卸载时清除定时器
-  onUnmounted(() => {
-    if (sendTimer) clearTimeout(sendTimer);
-  });
 </script>
 
 <style scoped lang="scss">
@@ -137,16 +78,6 @@
       height: 64rpx;
       border-radius: 32rpx;
       background: var(--ui-BG-1);
-      position: relative;
-
-      .char-count {
-        position: absolute;
-        right: 15rpx;
-        top: 50%;
-        transform: translateY(-50%);
-        font-size: 22rpx;
-        color: #999;
-      }
     }
 
     .bq {
@@ -174,12 +105,6 @@
       font-size: 26rpx;
       color: #fff;
       margin-left: 11rpx;
-      transition: all 0.3s;
-
-      &.disabled {
-        opacity: 0.6;
-        background: #cccccc;
-      }
     }
   }
 </style>