fix #5380

src/components/table/table-body.vue

@@ -8,7 +8,7 @@
                 <table-tr
                     :draggable="draggable"
                     :row="row"
-                    :key="row._rowKey"
+                    :key="rowKey ? row._rowKey : index"
                     :prefix-cls="prefixCls"
                     @mouseenter.native.stop="handleMouseIn(row._index)"
                     @mouseleave.native.stop="handleMouseOut(row._index)"
@@ -31,7 +31,7 @@
                 </table-tr>
                 <tr v-if="rowExpanded(row._index)" :class="{[prefixCls + '-expanded-hidden']: fixed}">
                     <td :colspan="columns.length" :class="prefixCls + '-expanded-cell'">
-                        <Expand :key="row._rowKey" :row="row" :render="expandRender" :index="row._index"></Expand>
+                        <Expand :key="rowKey ? row._rowKey : index" :row="row" :render="expandRender" :index="row._index"></Expand>
                     </td>
                 </tr>
             </template>
@@ -63,6 +63,10 @@
             draggable: {
                 type: Boolean,
                 default: false
+            },
+            rowKey: {
+                type: Boolean,
+                default: false
             }
         },
         computed: {

src/components/table/table.vue

@@ -21,6 +21,7 @@
                     :styleObject="tableStyle"
                     :columns="cloneColumns"
                     :data="rebuildData"
+                    :row-key="rowKey"
                     :columns-width="columnsWidth"
                     :obj-data="objData"></table-body>
             </div>
@@ -59,6 +60,7 @@
                         :styleObject="fixedTableStyle"
                         :columns="leftFixedColumns"
                         :data="rebuildData"
+                        :row-key="rowKey"
                         :columns-width="columnsWidth"
                         :obj-data="objData"></table-body>
                 </div>
@@ -84,6 +86,7 @@
                         :styleObject="fixedRightTableStyle"
                         :columns="rightFixedColumns"
                         :data="rebuildData"
+                        :row-key="rowKey"
                         :columns-width="columnsWidth"
                         :obj-data="objData"></table-body>
                 </div>
@@ -200,6 +203,11 @@
                     return oneOf(value, ['dark', 'light']);
                 },
                 default: 'dark'
+            },
+            // #5380 开启后，:key 强制更新，否则使用 index
+            rowKey: {
+                type: Boolean,
+                default: false
             }
         },
         data () {