Vue ElementUI前端添加展开收起搜索框按钮

1、搜索框添加判断 v-if="advanced"

<el-form-item label="创建日期" v-if="advanced">
        <el-date-picker
          v-model="daterangeLedat"
          size="small"
          style="width: 240px"
          value-format="yyyy-MM-dd"
          type="daterange"
          range-separator="-"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
        ></el-date-picker>
      </el-form-item>

2、添加展开收起按钮

<el-col :md="6" align="right" style="margin-left: auto;">
<el-form-item>
			  <el-button class="filter-item" type="primary" @click="handleQuery">搜索</el-button>
			  <el-button class="filter-item" style="margin-left: 8px;" @click="resetQuery">重置</el-button>
			  <a @click="toggleAdvanced" style="margin:0 4px 0 8px ;vertical-align: middle;">
				{{ advanced ? '收起' : '展开' }}
				<i :class="advanced ? 'el-icon-arrow-up' : 'el-icon-arrow-down'"></i>
			  </a>
			</el-form-item>
</el-col>

3、向data添加变量

advanced: false,

4、添加事件方法

/** 展开按钮操作 */
    toggleAdvanced() {
      this.advanced = !this.advanced
    },

5、展示

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