!538 优化表格上右侧工具条（搜索按钮显隐&右侧样式凸出）

Merge pull request !538 from abbfun/N/A

 <template>
 <template>
-  <div class="top-right-btn">
+  <div class="top-right-btn" :style="style">
     <el-row>
     <el-row>
-      <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top">
+      <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top" v-if="search">
         <el-button size="mini" circle icon="el-icon-search" @click="toggleSearch()" />
         <el-button size="mini" circle icon="el-icon-search" @click="toggleSearch()" />
       </el-tooltip>
       </el-tooltip>
       <el-tooltip class="item" effect="dark" content="刷新" placement="top">
       <el-tooltip class="item" effect="dark" content="刷新" placement="top">
@@ -42,6 +42,23 @@ export default {
     columns: {
     columns: {
       type: Array,
       type: Array,
     },
     },
+    search: {
+      type: Boolean,
+      default: true,
+    },
+    gutter: {
+      type: Number,
+      default: 10,
+    },
+  },
+  computed: {
+    style() {
+      const ret = {};
+      if (this.gutter) {
+        ret.marginRight = `${this.gutter / 2}px`;
+      }
+      return ret;
+    }
   },
   },
   created() {
   created() {
     // 显隐列初始默认隐藏列
     // 显隐列初始默认隐藏列