diff --git a/packages/form-design/items/layout/table/design.vue b/packages/form-design/items/layout/table/design.vue
index 16d87d5932159bb0c63427d85e0967914f018835..58934794fcec294968dac8d00948087a081fb734 100644
--- a/packages/form-design/items/layout/table/design.vue
+++ b/packages/form-design/items/layout/table/design.vue
@@ -1,490 +1,609 @@
 <template>
-<div class="table-box" @click.stop="handleSelectItem(record)"> 
-  <table 
-    :class="['table-layout','form-table',
-      record.options.customClass ? record.options.customClass : '' ,
-      record.options.bright ? 'bright' : '' ,
-      record.options.small ? 'small' : '' ,
-      record.options.bordered ? 'bordered' : '' 
-    ]" 
-    :style="record.options.customStyle"
-    >
-    <tr v-for="(trItem, trIndex) in record.trs" :key="trIndex" >
-      <td :class="['table-td', tdItem.class]"
-        :style="tdItem.style"
-        v-for="(tdItem, tdIndex) in trItem.tds"
-        :key="tdIndex"
-        :colspan="tdItem.colspan"
-        :rowspan="tdItem.rowspan"
-        @contextmenu.prevent="showRightMenuHandle($event,   trIndex, tdIndex , tdItem.colspan > 1 || tdItem.rowspan > 1)"
-        >
-        <draggable
-          tag="div"
-          class="draggable-box td-draggable"
-          :style="{'min-height' : (tdItem.rowspan > 1 ? tdItem.rowspan * 65 : 45) + 'px'}"
-          v-bind="{
-            group: 'form-draggable',
-            ghostClass: 'moving',
-            animation: 180,
-            handle: '.drag-move'
-            }"
-            :force-fallback="true"
-            v-model="tdItem.list"
-            @add="dragEnd($event, tdItem.list)" 
-          > 
-          <el-row class="td-row"> 
-            <template   v-for="item in tdItem.list">
-              <ng-form-node 
-                :key="item.key"
-                class="drag-move"
-                :selectItem="selectItem"
-                :record="item" 
-                @handleSelectItem="handleSelectItem"
-                @handleCopy="handleCopy(item , tdItem)"
-                @handleDetele="handleDetele(item , tdItem)"
-                /> 
-            </template> 
-          </el-row>
-        </draggable>
-      </td>
-    </tr>
-  </table> 
-
-  <div v-show="showRightMenu"
-    :style="{ 'top': menuTop + 'px', 'left': menuLeft + 'px' }"
-    class="right-menu"
-    id="table-design-rightmenu"
-    >
-    <ul>
-      <li @click="handleSettingStyle" ><i class="el-icon-magic-stick" />样式配置</li> 
-      <hr>
-      <template v-if="isMergeCol">
-        <li @click="handleDropMerge" ><i class="el-icon-delete" />解除合并</li><hr>
-      </template> 
-      <li @click="handleDownMerge"><i class="el-icon-bottom" />向下合并</li>
-      <li @click="handleRightMerge"><i class="el-icon-right" />向右合并</li>
-      <li @click="handleAddCol"><i class="el-icon-zoom-in" />增加一列</li>
-      <li @click="handleAddRow"><i class="el-icon-zoom-in" />增加一行</li>
-      <hr>
-      <li @click="handleRemoveRow"><i class="el-icon-zoom-out" />删除当前行</li>
-      <li @click="handleRemoveCol"><i class="el-icon-zoom-out" />删除当前列</li>
-    </ul>
-  </div>
-
-  <el-dialog
-    title="表内单元格样式配置"
-    :visible.sync="styleVisible" 
-    style="top:20px;" 
-    :append-to-body="true"  
-    > 
-    <el-form size="mini" :model="tdStyle" label-width="80px"> 
-      <el-form-item  label="class" >
-        <el-input v-model="tdStyle.class" placeholder="请输入class名称" />
-      </el-form-item>
-      <el-form-item  label="style" >
-        <el-input type="textarea" :rows="3" v-model="tdStyle.style" placeholder="请输入css样式" />
-      </el-form-item>
-    </el-form>
-    <span slot="footer" class="dialog-footer">
-      <el-button @click="styleVisible = false">取 消</el-button> 
-      <el-button type="primary" @click="settingStyle">确 定</el-button>
-    </span>
-  </el-dialog>
-</div> 
+	<div class="table-box" @click.stop="handleSelectItem(record)">
+		<table
+			:class="[
+				'table-layout',
+				'form-table',
+				record.options.customClass ? record.options.customClass : '',
+				record.options.bright ? 'bright' : '',
+				record.options.small ? 'small' : '',
+				record.options.bordered ? 'bordered' : '',
+			]"
+			:style="record.options.customStyle"
+		>
+			<tr v-for="(trItem, trIndex) in record.trs" :key="trIndex">
+				<td
+					:class="['table-td', tdItem.class]"
+					:style="tdItem.style"
+					v-for="(tdItem, tdIndex) in trItem.tds"
+					:key="tdIndex"
+					:colspan="tdItem.colspan"
+					:rowspan="tdItem.rowspan"
+					@contextmenu.prevent="
+						showRightMenuHandle(
+							$event,
+							trIndex,
+							tdIndex,
+							tdItem.colspan > 1 || tdItem.rowspan > 1
+						)
+					"
+				>
+					<draggable
+						tag="div"
+						class="draggable-box td-draggable"
+						:style="{
+							'min-height': (tdItem.rowspan > 1 ? tdItem.rowspan * 65 : 45) + 'px',
+						}"
+						v-bind="{
+							group: 'form-draggable',
+							ghostClass: 'moving',
+							animation: 180,
+							handle: '.drag-move',
+						}"
+						:force-fallback="true"
+						v-model="tdItem.list"
+						@add="dragEnd($event, tdItem.list)"
+					>
+						<el-row class="td-row">
+							<template v-for="item in tdItem.list">
+								<ng-form-node
+									:key="item.key"
+									class="drag-move"
+									:selectItem="selectItem"
+									:record="item"
+									@handleSelectItem="handleSelectItem"
+									@handleCopy="handleCopy(item, tdItem)"
+									@handleDetele="handleDetele(item, tdItem)"
+								/>
+							</template>
+						</el-row>
+					</draggable>
+				</td>
+			</tr>
+		</table>
+
+		<div
+			v-show="showRightMenu"
+			:style="{ top: menuTop + 'px', left: menuLeft + 'px' }"
+			class="right-menu"
+			id="table-design-rightmenu"
+		>
+			<ul>
+				<li @click="handleSettingStyle">
+					<i class="el-icon-magic-stick" />
+					样式配置
+				</li>
+				<hr />
+				<template v-if="isMergeCol">
+					<li @click="handleDropMerge(null, trIndex, tdIndex)">
+						<i class="el-icon-delete" />
+						解除合并
+					</li>
+					<hr />
+				</template>
+				<li @click="handleDownMerge">
+					<i class="el-icon-bottom" />
+					向下合并
+				</li>
+				<li @click="handleRightMerge">
+					<i class="el-icon-right" />
+					向右合并
+				</li>
+				<li @click="handleAddCol">
+					<i class="el-icon-zoom-in" />
+					增加一列
+				</li>
+				<li @click="handleAddRow">
+					<i class="el-icon-zoom-in" />
+					增加一行
+				</li>
+				<hr />
+				<li @click="handleRemoveRow">
+					<i class="el-icon-zoom-out" />
+					删除当前行
+				</li>
+				<li @click="handleRemoveCol">
+					<i class="el-icon-zoom-out" />
+					删除当前列
+				</li>
+			</ul>
+		</div>
+
+		<el-dialog
+			title="表内单元格样式配置"
+			:visible.sync="styleVisible"
+			style="top: 20px"
+			:append-to-body="true"
+		>
+			<el-form size="mini" :model="tdStyle" label-width="80px">
+				<el-form-item label="class">
+					<el-input v-model="tdStyle.class" placeholder="请输入class名称" />
+				</el-form-item>
+				<el-form-item label="style">
+					<el-input
+						type="textarea"
+						:rows="3"
+						v-model="tdStyle.style"
+						placeholder="请输入css样式"
+					/>
+				</el-form-item>
+			</el-form>
+			<span slot="footer" class="dialog-footer">
+				<el-button @click="styleVisible = false">取 消</el-button>
+				<el-button type="primary" @click="settingStyle">确 定</el-button>
+			</span>
+		</el-dialog>
+	</div>
 </template>
 <script>
-import cloneDeep from 'lodash/cloneDeep'
-import mixin from '../../mixin.js'
-import draggable from "vuedraggable"
+import cloneDeep from 'lodash/cloneDeep';
+import mixin from '../../mixin.js';
+import draggable from 'vuedraggable';
 export default {
-	mixins: [mixin] ,
-  components: {
-    draggable
-  },
+	mixins: [mixin],
+	components: {
+		draggable,
+	},
 	data() {
-		return { 
-      showRightMenu: false,
-      isMergeCol: false,
-      menuTop: 0,
-      menuLeft: 0,
-      trIndex: 0,
-      tdIndex: 0,
-
-      styleVisible: false,
-      tdStyle: {
-        style: '',
-        class: ''
-      }
-		}
+		return {
+			showRightMenu: false,
+			isMergeCol: false,
+			menuTop: 0,
+			menuLeft: 0,
+			trIndex: 0,
+			tdIndex: 0,
+
+			styleVisible: false,
+			tdStyle: {
+				style: '',
+				class: '',
+			},
+		};
 	},
 	created() {
-		if(this.record && (this.record.trs == null || this.record.trs == undefined)) {
-
-	        this.$set(this.record, 'trs' ,  [
-	          {
-	            tds: [
-	              {
-	                colspan: 1,
-	                rowspan: 1,
-	                list: []
-	              },
-	              {
-	                colspan: 1,
-	                rowspan: 1,
-	                list: []
-	              }
-	            ]
-	          },
-	          {
-	            tds: [
-	              {
-	                colspan: 1,
-	                rowspan: 1,
-	                list: []
-	              },
-	              {
-	                colspan: 1,
-	                rowspan: 1,
-	                list: []
-	              }
-	            ]
-	          }
-	        ])
-      	}
+		if (this.record && (this.record.trs == null || this.record.trs == undefined)) {
+			this.$set(this.record, 'trs', [
+				{
+					tds: [
+						{
+							colspan: 1,
+							rowspan: 1,
+							list: [],
+						},
+						{
+							colspan: 1,
+							rowspan: 1,
+							list: [],
+						},
+					],
+				},
+				{
+					tds: [
+						{
+							colspan: 1,
+							rowspan: 1,
+							list: [],
+						},
+						{
+							colspan: 1,
+							rowspan: 1,
+							list: [],
+						},
+					],
+				},
+			]);
+		}
 	},
 	mounted() {
-    // 添加监听取消右键菜单
-    document.addEventListener("click", this.handleRemoveRightMenu, true);
-    document.addEventListener("contextmenu", this.handleRemoveRightMenu, true);
-  },
-  destroyed() {
-    // 移除监听
-    document.removeEventListener("click", this.handleRemoveRightMenu, true);
-    document.removeEventListener(
-      "contextmenu",
-      this.handleRemoveRightMenu,
-      true
-    );
-  },
+		// 添加监听取消右键菜单
+		document.addEventListener('click', this.handleRemoveRightMenu, true);
+		document.addEventListener('contextmenu', this.handleRemoveRightMenu, true);
+	},
+	destroyed() {
+		// 移除监听
+		document.removeEventListener('click', this.handleRemoveRightMenu, true);
+		document.removeEventListener('contextmenu', this.handleRemoveRightMenu, true);
+	},
 	methods: {
-		dragEnd(evt, list) {   
-     	// 拖拽结束,自动选择拖拽的控件项
-      this.handleSelectItem(list[evt.newIndex])
-    },
-    handleCopy(item , parent){ 
-      const nitem = cloneDeep(item)
-      const key = item.type + "_" + new Date().getTime() 
-      nitem.key = key
-      nitem.model = key
-
-      // 找到index 插入
-      const oindex = parent.list.findIndex(t=>t.key == item.key)
-     
-      if(oindex >= 0) {
-        // insert 
-        parent.list.splice(oindex + 1 , 0, nitem)
-
-      }
-
-    },
-    handleDetele(item , parent) {
-      const oindex = parent.list.findIndex(t=>t.key == item.key)
-      if(oindex >= 0) {
-        parent.list.splice(oindex , 1);
-      }
-    },
+		dragEnd(evt, list) {
+			// 拖拽结束,自动选择拖拽的控件项
+			this.handleSelectItem(list[evt.newIndex]);
+		},
+		handleCopy(item, parent) {
+			const nitem = cloneDeep(item);
+			const key = item.type + '_' + new Date().getTime();
+			nitem.key = key;
+			nitem.model = key;
+
+			// 找到index 插入
+			const oindex = parent.list.findIndex(t => t.key == item.key);
+
+			if (oindex >= 0) {
+				// insert
+				parent.list.splice(oindex + 1, 0, nitem);
+			}
+		},
+		handleDetele(item, parent) {
+			const oindex = parent.list.findIndex(t => t.key == item.key);
+			if (oindex >= 0) {
+				parent.list.splice(oindex, 1);
+			}
+		},
+		// 解除所有合并单元格
+		handleDropMergeAll(record) {
+			record = record || this.record;
+
+			//保证所有单元格都是1*1
+			while (!isDropAll()) {
+				//一边解除合并一边遍历，一次循环不一定能解除所有合并单元格
+				handleDrop(this);
+			}
+			function handleDrop(that) {
+				record.trs.forEach((tr, trIndex) => {
+					tr.tds.forEach((td, tdIndex) => {
+						that.handleDropMerge(record, trIndex, tdIndex);
+					});
+				});
+			}
+
+			function isDropAll() {
+				let isDropAll = true;
+				record.trs.forEach(tr => {
+					tr.tds.forEach(td => {
+						if (td.colspan > 1 || td.rowspan > 1) {
+							isDropAll = false;
+						}
+					});
+				});
+				return isDropAll;
+			}
+		},
 		// 解除合并
-		handleDropMerge() {
-			const td = this.record.trs[this.trIndex].tds[this.tdIndex];
+		handleDropMerge(record, trIndex, tdIndex) {
+			record = record || this.record;
+			const td = record.trs[trIndex].tds[tdIndex];
 
 			const colspan = td.colspan;
 			const rowspan = td.rowspan;
 
 			if (td && (colspan > 1 || rowspan > 1)) {
-				this.record.trs[this.trIndex].tds[this.tdIndex].colspan = 1;
-				this.record.trs[this.trIndex].tds[this.tdIndex].rowspan = 1;
+				record.trs[trIndex].tds[tdIndex].colspan = 1;
+				record.trs[trIndex].tds[tdIndex].rowspan = 1;
 
 				// 开始拆解
 				if (colspan > 1) {
 					for (var i = 0; i < colspan - 1; i++) {
-						this.record.trs[this.trIndex].tds.splice(this.tdIndex + 1, 0, {
+						record.trs[trIndex].tds.splice(tdIndex + 1, 0, {
 							colspan: 1,
 							rowspan: 1,
 							list: [],
 						});
 					}
-					// this.record.trs[this.trIndex].tds.splice(this.tdIndex + 1, 0, ...cols);
 				}
 				if (rowspan > 1) {
 					//cols + 1
-					for (var j = this.trIndex + 1; j < this.trIndex + rowspan; j++) {
-						this.record.trs[j].tds.splice(this.tdIndex + 1, 0, {
+					for (var j = trIndex + 1; j < trIndex + rowspan; j++) {
+						record.trs[j].tds.splice(tdIndex, 0, {
 							colspan: 1,
 							rowspan: 1,
 							list: [],
 						});
-						// this.record.trs[j].tds.splice(this.tdIndex + 1, 0, ...cols);
 					}
 				}
 
 				// 斜角方向追加td,填补空隙
 				if (rowspan > 1 && colspan > 1) {
-					for (var y = this.trIndex + 1; y < this.trIndex + rowspan; y++) {
-						for (var x = this.tdIndex + 1; x < this.tdIndex + colspan; x++) {
-							this.record.trs[y].tds.splice(x, 0, {
+					for (var y = trIndex + 1; y < trIndex + rowspan; y++) {
+						const tds = [];
+						//插入 rowspan - 1 个td
+						for (var q = tdIndex + 1; q < tdIndex + colspan; q++) {
+							tds.push({
 								colspan: 1,
 								rowspan: 1,
 								list: [],
 							});
 						}
+						record.trs[y].tds.splice(tdIndex, 0, ...tds);
 					}
 				}
 			}
 		},
-    handleDownMerge() {
-      // 向下合并
-      if (
-        this.record.trs.length -
-          this.record.trs[this.trIndex].tds[this.tdIndex]
-            .rowspan <=
-        this.trIndex
-      ) {
-        this.$message.error("当前是最后一行，无法向下合并");
-        return false;
-      }
-
-      // 计算rowspan超过自身的td
-      let rows = 0;
-      this.record.trs[this.trIndex].tds.forEach(
-        (element, index) => {
-          if (index >= this.tdIndex) {
-            return false;
-          }
-          if (
-            element.rowspan >
-            this.record.trs[this.trIndex].tds[this.tdIndex]
-              .rowspan
-          ) {
-            rows += 1;
-          }
-        }
-      );
-      if (
-        this.record.trs[this.trIndex].tds[this.tdIndex]
-          .colspan !==
-        this.record.trs[this.trIndex + 1].tds[this.tdIndex - rows]
-          .colspan
-      ) {
-        this.$message.error("当前表格无法向下合并");
-        return false;
-      }
-
-      // 可能会存在rowspan
-
-
-      // 获取当前得rowspan 
-      let rowspan =  this.record.trs[this.trIndex].tds[ this.tdIndex ].rowspan
-
-      // 获取当前要合并得row
-      const mergeRowIndex =  this.trIndex + rowspan
-      // 获取当前要合并行得tdindex之前是否
-
-      // 获取带合并得行
-      const mergeRow =  this.record.trs[mergeRowIndex]
-      const mergeCol = mergeRow.tds[ this.tdIndex ]
-
-
-      this.record.trs[this.trIndex].tds[ this.tdIndex ].rowspan = rowspan +  mergeCol.rowspan
-
-      // 在rowspan行进行td得裁剪
-      this.record.trs[
-        this.trIndex + rowspan
-      ].tds = this.record.trs[this.trIndex + rowspan].tds.filter(
-        (item, index) => index != this.tdIndex //- rows
-      );
- 
-    },
-    handleRightMerge() {
-      // 向右合并
-      const sumCols = this.record.trs[this.trIndex].tds
-        .map(item => item.colspan)
-        .reduce(function(partial, value) {
-          return partial + value;
-        });
-      if (
-        sumCols -
-          this.record.trs[this.trIndex].tds[this.tdIndex]
-            .colspan <=
-        this.tdIndex
-      ) {
-        this.$message.error("当前是最后一列，无法向右合并");
-        return false;
-      }
-      if (
-        this.record.trs[this.trIndex].tds[this.tdIndex]
-          .rowspan !==
-        this.record.trs[this.trIndex].tds[this.tdIndex + 1]
-          .rowspan
-      ) {
-        this.$message.error("当前表格无法向右合并");
-        return false;
-      }
-
-      this.record.trs[this.trIndex].tds[
-        this.tdIndex
-      ].colspan += this.record.trs[this.trIndex].tds[
-        this.tdIndex + 1
-      ].colspan;
-
-      this.record.trs[
-        this.trIndex
-      ].tds = this.record.trs[this.trIndex].tds.filter(
-        (item, index) => {
-          return index !== this.tdIndex + 1;
-        }
-      );
-      // }
-    },
-    handleAddCol() {
-      // 增加列
-      this.record.trs.forEach(item => {
-        item.tds.splice(this.tdIndex + 1, 0, {
-          colspan: 1,
-          rowspan: 1,
-          list: []
-        });
-      });
-    },
-    handleAddRow() {
-      // 增加行
-      // 获取总col值
-      const sumCols = this.record.trs[0].tds
-        .map(item => item.colspan)
-        .reduce(function(partial, value) {
-          return partial + value;
-        });
-      const rowJson = { tds: [] };
-      for (let i = 0; i < sumCols; i++) {
-        rowJson.tds.push({
-          colspan: 1,
-          rowspan: 1,
-          list: []
-        });
-      }
-      this.record.trs.splice(this.trIndex + 1, 0, rowJson);
-    },
-    handleRemoveRow(){
-      // 删除一行
-      const tri = this.trIndex
-      const len = this.record.trs.length
-      if(len <= 1) {
-        this.$message.error("当前是最后一行,无法删除");
-        return
-      }
-      this.record.trs.splice(tri , 1)
-
-    },
-    handleRemoveCol(){
-      // 删除一列
-      const tdi = this.tdIndex
-      // 存在任意行中的列数 <= 1 不允许删除
-      
-      for(let i in  this.record.trs){
-        let tds = this.record.trs[i].tds
-        if(tds.length <= 1){
-          this.$message.error("当前只剩下最后一列,无法删除");
-          return
-        }
-      }
-        
-      this.record.trs.forEach(t=>{
-        t.tds.splice(tdi , 1)
-      })
-
-    },
-    handleSettingStyle(){
-      // 样式配置
-      const td = this.record.trs[this.trIndex].tds[this.tdIndex]
-
-      const class_ = td.class 
-      const style_ = td.style 
-
-      this.tdStyle.style = style_
-      this.tdStyle.class = class_
-
-      this.styleVisible = true
-
-    },
-    settingStyle(){
-      // 样式生效
-      const td = this.record.trs[this.trIndex].tds[this.tdIndex]
-      td.style = this.tdStyle.style
-      td.class = this.tdStyle.class
-
-      // 重新绘制 修改数据
-      this.record.trs[this.trIndex].tds.splice(this.tdIndex , 1 , td)
-
-      this.styleVisible = false
-
-    },
-    showRightMenuHandle(e,  trIndex, tdIndex , mergeCol) {
-    	// 显示右键菜单
-      e.stopPropagation()
-      // this.fileItem = item
-      // 显示
-      this.showRightMenu = true
- 
-
-      // 计算rightMenu得高度和宽度 和当前屏幕对比 来决定菜单出现得起始位置
-      let height = 210 
-      let width = 280  
-
-      // 获取屏幕高度和宽度 比对
-      const bodyHeight = document.body.clientHeight  
-      const bodyWidth = document.body.clientWidth 
- 
-        
-      // 定位 
-      if(e.clientY + height > bodyHeight) {
-        this.menuTop = e.clientY - height
-      } else {
-        this.menuTop = e.clientY
-      }
-
-      if(e.clientX + width > bodyWidth) {
-        this.menuLeft = e.clientX - width
-      } else {
-        this.menuLeft = e.clientX + 20 
-      }
-       
-  
-      this.trIndex = trIndex
-      this.tdIndex = tdIndex
-
-
-      // 判断是否是已经合并过的单元格 isMergeCol 
-      this.isMergeCol = mergeCol
-
-
-      return false
-    },
-    handleRemoveRightMenu() {
-      // 取消右键菜单
-      this.showRightMenu = false
-    }
-	}
-}
+		handleDownMerge() {
+			//向下合并
+			const storeRecord = cloneDeep(this.record);
+			//在storeRecord中标记当前选中的td
+			storeRecord.trs[this.trIndex].tds[this.tdIndex].isSelect = true;
+			//释放storeRecord中的td
+			this.handleDropMergeAll(storeRecord);
+			let currentX = 0; //当前选中td的x坐标
+			const currentColspan = this.record.trs[this.trIndex].tds[this.tdIndex].colspan; //当前选中td的colspan
+			let maxX = 0; //最大的x坐标
+			//找到被选中的td的x,y坐标
+			storeRecord.trs.forEach((tr, y) => {
+				tr.tds.forEach((td, x) => {
+					if (x > maxX) maxX = x;
+					if (td.isSelect) {
+						currentX = x; //定位到当前选中的td的真实x坐标
+					}
+				});
+			});
+			// 向下合并,需要满足x坐标相同,colspan相同
+			//从trIndex+1开始遍历，直到找到下一个可以合并的td或者遍历结束
+			for (let y = this.trIndex + 1; y < this.record.trs.length; y++) {
+				for (let x = 0; x < maxX + 1; x++) {
+					let td = this.record.trs[y].tds[x];
+					if (td) {
+						const copy = cloneDeep(this.record);
+						copy.trs[y].tds[x].isSelect = true; //标记copy中的td
+						const targetRowspan = copy.trs[y].tds[x].rowspan; //目标td的rowspan
+						const targetColspan = copy.trs[y].tds[x].colspan; //目标td的colspan
+						let targetX = 0; //目标td的x坐标
+						this.handleDropMergeAll(copy); //释放copy中的td
+						copy.trs.forEach((tr, y) => {
+							tr.tds.forEach((td, x) => {
+								if (td.isSelect) {
+									targetX = x; //定位到目标td的真实x坐标
+								}
+							});
+						});
+
+						const targetLeft = targetX;
+						const currentLeft = currentX;
+						const targetRight = targetX + targetColspan - 1;
+						const currentRight = currentX + currentColspan - 1;
+
+						//与目标完全接触，可以合并
+						if (targetLeft === currentLeft && targetColspan === currentColspan) {
+							//找到了可以合并的td
+							this.record.trs[this.trIndex].tds[this.tdIndex].rowspan +=
+								targetRowspan;
+							//将target的list合并到当前td的list中
+							this.record.trs[this.trIndex].tds[this.tdIndex].list = this.record.trs[
+								this.trIndex
+							].tds[this.tdIndex].list.concat(this.record.trs[y].tds[x].list);
+							//删除target
+							this.record.trs[y].tds.splice(x, 1);
+							//结束循环
+							return false;
+						}
+
+						//与目标不完全接触，无法合并跳出循环
+						const conditions = [
+							targetLeft <= currentLeft &&
+								targetRight >= currentLeft &&
+								targetRight <= currentRight,
+							targetLeft >= currentLeft && targetLeft <= currentRight,
+							targetLeft <= currentRight && targetRight >= currentRight,
+						];
+						if (conditions.includes(true)) {
+							this.$message.error('当前表格无法向下合并');
+							return false;
+						}
+					}
+				}
+			}
+			this.$message.error('当前表格无法向下合并');
+		},
+		handleRightMerge() {
+			//向右合并
+			let storeRecord = cloneDeep(this.record);
+			//在storeRecord中标记当前选中的td
+			storeRecord.trs[this.trIndex].tds[this.tdIndex].isSelect = true;
+			//释放storeRecord中的td
+			this.handleDropMergeAll(storeRecord);
+			let currentY = 0; //当前选中td的y坐标
+			let currentX = 0; //当前选中td的x坐标
+			const currentRowspan = this.record.trs[this.trIndex].tds[this.tdIndex].rowspan; //当前选中td的rowspan
+			const currentColspan = this.record.trs[this.trIndex].tds[this.tdIndex].colspan; //当前选中td的colspan
+			let maxX = 3; //最大的x坐标
+			//找到被选中的td的x,y坐标
+			storeRecord.trs.forEach((tr, y) => {
+				tr.tds.forEach((td, x) => {
+					if (x > maxX) maxX = x;
+					if (td.isSelect) {
+						currentY = y; //定位到当前选中的td的真实y坐标
+						currentX = x; //定位到当前选中的td的真实x坐标
+					}
+				});
+			});
+
+			//对当前行进行遍历
+			for (let x = this.tdIndex + 1; x < maxX; x++) {
+				let td = this.record.trs[this.trIndex].tds[x];
+				if (td) {
+					const copy = cloneDeep(this.record);
+					copy.trs[this.trIndex].tds[x].isSelect = true; //标记copy中的td
+					const targetRowspan = copy.trs[this.trIndex].tds[x].rowspan; //目标td的rowspan
+					const targetColspan = copy.trs[this.trIndex].tds[x].colspan; //目标td的colspan
+					let targetY = 0; //目标td的y坐标
+					let targetX = 0; //目标td的x坐标
+					this.handleDropMergeAll(copy); //释放copy中的td
+					copy.trs.forEach((tr, y) => {
+						tr.tds.forEach((td, x) => {
+							if (td.isSelect) {
+								targetY = y; //定位到目标td的真实x坐标
+								targetX = x; //定位到目标td的真实y坐标
+							}
+						});
+					});
+
+					const targetTop = targetY;
+					const currentTop = currentY;
+					const targetLeft = targetX;
+					const currentRight = currentX;
+
+					//横向不接触，不可以合并
+					if (currentRight + currentColspan !== targetLeft) {
+						this.$message.error('当前表格无法向右合并');
+						return false;
+					}
+
+					if (targetTop === currentTop && targetRowspan === currentRowspan) {
+						//与目标完全接触，可以合并
+						//找到了可以合并的td
+						this.record.trs[this.trIndex].tds[this.tdIndex].colspan += targetColspan;
+						//将target的list合并到当前td的list中
+						this.record.trs[this.trIndex].tds[this.tdIndex].list = this.record.trs[
+							this.trIndex
+						].tds[this.tdIndex].list.concat(this.record.trs[this.trIndex].tds[x].list);
+						//删除target
+						this.record.trs[this.trIndex].tds.splice(x, 1);
+						//结束循环
+						return false;
+					}
+				}
+			}
+			this.$message.error('当前表格无法向右合并');
+		},
+		handleAddCol() {
+			// 增加列
+			this.record.trs.forEach(item => {
+				item.tds.splice(this.tdIndex + 1, 0, {
+					colspan: 1,
+					rowspan: 1,
+					list: [],
+				});
+			});
+		},
+		handleAddRow() {
+			// 增加行
+			// 获取总col值
+			const sumCols = this.record.trs[0].tds
+				.map(item => item.colspan)
+				.reduce(function (partial, value) {
+					return partial + value;
+				});
+			const rowJson = { tds: [] };
+			for (let i = 0; i < sumCols; i++) {
+				rowJson.tds.push({
+					colspan: 1,
+					rowspan: 1,
+					list: [],
+				});
+			}
+			this.record.trs.push(rowJson);
+		},
+		handleRemoveRow() {
+			// 删除一行
+			const tri = this.trIndex;
+			const len = this.record.trs.length;
+			const colspan = this.record.trs[tri].tds[this.tdIndex].colspan;
+			const rowspan = this.record.trs[tri].tds[this.tdIndex].rowspan;
+			if (colspan > 1 || rowspan > 1) {
+				this.$message.error('当前单元格已合并，无法删除');
+				return;
+			}
+			if (len <= 1) {
+				this.$message.error('当前是最后一行,无法删除');
+				return;
+			}
+			this.record.trs.splice(tri, 1);
+		},
+		handleRemoveCol() {
+			// 删除一列
+			const tdi = this.tdIndex;
+
+			const colspan = this.record.trs[this.trIndex].tds[this.tdIndex].colspan;
+			const rowspan = this.record.trs[this.trIndex].tds[this.tdIndex].rowspan;
+
+			if (colspan > 1 || rowspan > 1) {
+				this.$message.error('当前单元格已合并，无法删除');
+				return;
+			}
+
+			// 存在任意行中的列数 <= 1 不允许删除
+
+			for (let i in this.record.trs) {
+				let tds = this.record.trs[i].tds;
+				if (tds.length <= 1) {
+					this.$message.error('当前只剩下最后一列,无法删除');
+					return;
+				}
+			}
+
+			this.record.trs.forEach(t => {
+				t.tds.splice(tdi, 1);
+			});
+		},
+		handleSettingStyle() {
+			// 样式配置
+			const td = this.record.trs[this.trIndex].tds[this.tdIndex];
+
+			const class_ = td.class;
+			const style_ = td.style;
+
+			this.tdStyle.style = style_;
+			this.tdStyle.class = class_;
+
+			this.styleVisible = true;
+		},
+		settingStyle() {
+			// 样式生效
+			const td = this.record.trs[this.trIndex].tds[this.tdIndex];
+			td.style = this.tdStyle.style;
+			td.class = this.tdStyle.class;
+
+			// 重新绘制 修改数据
+			this.record.trs[this.trIndex].tds.splice(this.tdIndex, 1, td);
+
+			this.styleVisible = false;
+		},
+		showRightMenuHandle(e, trIndex, tdIndex, mergeCol) {
+			// 显示右键菜单
+			e.stopPropagation();
+			// this.fileItem = item
+			// 显示
+			this.showRightMenu = true;
+
+			// 计算rightMenu得高度和宽度 和当前屏幕对比 来决定菜单出现得起始位置
+			let height = 210;
+			let width = 280;
+
+			// 获取屏幕高度和宽度 比对
+			const bodyHeight = document.body.clientHeight;
+			const bodyWidth = document.body.clientWidth;
+
+			// 定位
+			if (e.clientY + height > bodyHeight) {
+				this.menuTop = e.clientY - height;
+			} else {
+				this.menuTop = e.clientY;
+			}
+
+			if (e.clientX + width > bodyWidth) {
+				this.menuLeft = e.clientX - width;
+			} else {
+				this.menuLeft = e.clientX + 20;
+			}
+
+			this.trIndex = trIndex;
+			this.tdIndex = tdIndex;
+
+			// 判断是否是已经合并过的单元格 isMergeCol
+			this.isMergeCol = mergeCol;
+
+			return false;
+		},
+		handleRemoveRightMenu() {
+			// 取消右键菜单
+			this.showRightMenu = false;
+		},
+	},
+};
 </script>
 <style>
-.table-box .td-draggable, .table-box .td-row {
-  min-height: 65px;
-  min-width: 100px;
+.table-layout {
+	table-layout: fixed;
+}
+.table-box .td-draggable,
+.table-box .td-row {
+	min-height: 65px;
+	min-width: 100px;
 }
 
 .table-box .td-draggable {
-  border: 1px solid #e8e8e8 !important;
+	border: 1px solid #e8e8e8 !important;
 }
-
 </style>
 <!-- 
 <style lang="scss">
@@ -501,4 +620,4 @@ export default {
 }
 
 </style>
- -->
\ No newline at end of file
+ -->