vue实现el-table-column中自定义label

vue实现el-table-column中自定义label

 <el-table-column
            label="操作"
            align="left"
            width="50"
          >
            <template #header>
              <div>
                <el-button
                  size="mini"
                  type="primary"
                  icon="el-icon-plus"
                  circle
                ></el-button>
              </div>
            </template>
          </el-table-column>