<el-table v-loading="loadingText" element-loading-text="拼命加载中" :data="tableData" :tableColumn="tableColumn" :span-method="objectSpanMethod" border :cell-style="cellStyle" :header-cell-style="{'text-align': 'center'}"><template v-slot:append><el-button v-if="loadingText" type="primary" class="cancel-loading" @click="cancelLoading" size="mini">取消</el-button></template><el-table-column v-for="item in tableColumn" :key="item.prop" :prop="item.prop" :label="item.label" min-width="100" /></el-table>

data() {return {loadingText: false,}
}cancelLoading() {this.loadingText = false; },

.cancel-loading {position: absolute;top: 62%;left: 50%;transform: translate(-50%, -50%);z-index: 9999; /* 确保 z-index 高于遮罩层 */
}