页面标题、输入框优化

src/views/environmentMonitor/historyData/index.vue

 <template>
     <div class="app-container">
         <div class="box-card">
+          <div class="top-title">
+				<span class="title-text">历史数据</span>
+			</div>
       <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
-        <el-form-item label="设备编号" prop="sensorid">
+        <el-form-item label="" prop="sensorid">
           <el-input
             v-model="queryParams.sensorid"
             placeholder="请输入设备编号"
             clearable
             @keyup.enter.native="handleQuery"
-          />
+          >
+          <i slot="prefix" class="el-input__icon el-icon-search"></i>
+        </el-input>
         </el-form-item>
-        <el-form-item label="监测类型" prop="item">
+        <el-form-item label="" prop="item">
           <el-input
             v-model="queryParams.item"
             placeholder="请输入监测类型"
             clearable
             @keyup.enter.native="handleQuery"
-          />
+          >
+          <i slot="prefix" class="el-input__icon el-icon-search"></i>
+        </el-input>
         </el-form-item>
         <!-- <el-form-item label="测量时间 " prop="time">
           <el-date-picker clearable

src/views/environmentMonitor/machine/index.vue

 <template>
   <div class="app-container">
     <div class="box-card">
+      <div class="top-title">
+				<span class="title-text">设备管理</span>
+			</div>
       <el-form
         :model="queryParams"
         ref="queryForm"
@@ -9,21 +12,24 @@
         v-show="showSearch"
         label-width="68px"
       >
-        <el-form-item label="设备编号" prop="equipno">
+        <el-form-item label="" prop="equipno">
           <el-input
+           
             v-model="queryParams.equipno"
             placeholder="请输入设备编号"
             clearable
             @keyup.enter.native="handleQuery"
-          />
+            
+          ><i slot="prefix" class="el-input__icon el-icon-search"></i></el-input>
         </el-form-item>
-        <el-form-item label="设备名称" prop="equipname">
+        <el-form-item label="" prop="equipname">
           <el-input
             v-model="queryParams.equipname"
             placeholder="请输入设备名称"
             clearable
             @keyup.enter.native="handleQuery"
-          />
+           
+          > <i slot="prefix" class="el-input__icon el-icon-search"></i></el-input>
         </el-form-item>
         <el-form-item>
           <el-button

src/views/environmentMonitor/warnData/index.vue

 <template>
     <div class="app-container">
         <div class="box-card">
+          <div class="top-title">
+            <span class="title-text">报警数据</span>
+          </div>
       <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
-        <el-form-item label="设备编号" prop="equipno">
+        <el-form-item label="" prop="equipno">
           <el-input
             v-model="queryParams.equipno"
             placeholder="请输入设备编号"
             clearable
             @keyup.enter.native="handleQuery"
-          />
+          >
+          <i slot="prefix" class="el-input__icon el-icon-search"></i>
+        </el-input>
         </el-form-item>
         <!-- <el-form-item label="报警级别" prop="bjjb">
           <el-input