Table add content-menu prop & event

src/components/table/table.vue

@@ -266,6 +266,11 @@
             // 4.1.0
             loadData: {
                 type: Function
+            },
+            // 4.1.0
+            contentMenu: {
+                type: Boolean,
+                default: false
             }
         },
         data () {
@@ -694,6 +699,13 @@
                     this.$emit('on-row-dblclick', JSON.parse(JSON.stringify(this.cloneData[_index])), _index);
                 }
             },
+            contextmenuCurrentRow (_index, rowKey) {
+                if (rowKey) {
+                    this.$emit('on-contextmenu', JSON.parse(JSON.stringify(this.getBaseDataByRowKey(rowKey))));
+                } else {
+                    this.$emit('on-contextmenu', JSON.parse(JSON.stringify(this.cloneData[_index])), _index);
+                }
+            },
             getSelection () {
                 // 分别拿根数据和子数据的已选项
                 let selectionIndexes = [];