1. 为CRUD.operation注入curd，免去属性传递 2. 表格界面零配置实现“表格列过滤显示”功能，弃用v-if方式 (#59)

⚡ CRUD优化
为CRUD.operation注入curd，免去属性传递
表格界面零配置实现“表格列过滤显示”功能，弃用v-if方式

src/views/tools/picture/index.vue

@@ -16,7 +16,7 @@
           start-placeholder="开始日期"
           end-placeholder="结束日期"
         />
-        <rrOperation :crud="crud" />
+        <rrOperation />
       </div>
       <crudOperation :permission="permission">
         <!-- 上传 -->
@@ -66,9 +66,9 @@
     <!--表格渲染-->
     <el-table ref="table" v-loading="crud.loading" :data="crud.data" style="width: 100%;" @selection-change="crud.selectionChangeHandler">
       <el-table-column type="selection" width="55" />
-      <el-table-column v-if="columns.visible('filename')" width="200" prop="filename" label="文件名" />
-      <el-table-column v-if="columns.visible('username')" prop="username" label="上传者" />
-      <el-table-column v-if="columns.visible('url')" ref="table" :show-overflow-tooltip="true" prop="url" label="缩略图">
+      <el-table-column width="200" prop="filename" label="文件名" />
+      <el-table-column prop="username" label="上传者" />
+      <el-table-column ref="table" :show-overflow-tooltip="true" prop="url" label="缩略图">
         <template slot-scope="{row}">
           <el-image
             :src="row.url"
@@ -79,10 +79,10 @@
           />
         </template>
       </el-table-column>
-      <el-table-column v-if="columns.visible('size')" prop="size" label="文件大小" />
-      <el-table-column v-if="columns.visible('height')" prop="height" label="高度" />
-      <el-table-column v-if="columns.visible('width')" prop="width" label="宽度" />
-      <el-table-column v-if="columns.visible('createTime')" prop="createTime" label="创建日期">
+      <el-table-column prop="size" label="文件大小" />
+      <el-table-column prop="height" label="高度" />
+      <el-table-column prop="width" label="宽度" />
+      <el-table-column prop="createTime" label="创建日期">
         <template slot-scope="scope">
           <span>{{ parseTime(scope.row.createTime) }}</span>
         </template>