fix:当传入的 columns 为空时，不绑定拖拽事件

build/TableHeader.js

@@ -552,8 +552,13 @@ var TableHeader = function (_Component) {
   TableHeader.prototype.initEvent = function initEvent() {
     var _props = this.props,
         dragborder = _props.dragborder,
-        draggable = _props.draggable;
+        draggable = _props.draggable,
+        rows = _props.rows;
+    // 当传入的 columns 为空时，不绑定拖拽事件
 
+    if (Object.prototype.toString.call(rows) === '[object Array]' && rows.length === 0) {
+      return;
+    }
     if (!this.event) {
       //避免多次绑定问题。
       this.event = true;

dist/demo.js

@@ -34271,6 +34271,7 @@
 	  };
 	
 	  Table.prototype.componentWillUnmount = function componentWillUnmount() {
+	    this.contentTable = null;
 	    _utils.EventUtil.removeHandler(this.contentTable, 'keydown', this.onKeyDown);
 	    _utils.EventUtil.removeHandler(this.contentTable, 'focus', this.onFocus);
 	    if (this.resizeEvent) {
@@ -37891,6 +37892,7 @@
 	  };
 	
 	  TableHeader.prototype.componentWillUnmount = function componentWillUnmount() {
+	    this.fixedTable = null;
 	    if (!this.table) return;
 	    if (this.props.draggable) {
 	      this.removeDragAbleEvent();
@@ -37899,6 +37901,7 @@
 	      this.removeDragBorderEvent();
 	    }
 	    this.eventListen([{ key: 'mousedown', fun: this.onTrMouseDown }], 'remove', this.table.tr[0]);
+	    this.eventListen([{ key: 'mouseup', fun: this.bodyonLineMouseUp }], 'remove', document.body);
 	  };
 	
 	  /**
@@ -37953,8 +37956,13 @@
 	  TableHeader.prototype.initEvent = function initEvent() {
 	    var _props = this.props,
 	        dragborder = _props.dragborder,
-	        draggable = _props.draggable;
+	        draggable = _props.draggable,
+	        rows = _props.rows;
+	    // 当传入的 columns 为空时，不绑定拖拽事件
 	
+	    if (Object.prototype.toString.call(rows) === '[object Array]' && rows.length === 0) {
+	      return;
+	    }
 	    if (!this.event) {
 	      //避免多次绑定问题。
 	      this.event = true;

src/TableHeader.js

@@ -109,7 +109,11 @@ class TableHeader extends Component {
    * 事件初始化
    */
   initEvent(){
-    let {dragborder,draggable} = this.props;
+    let {dragborder,draggable,rows} = this.props;
+    // 当传入的 columns 为空时，不绑定拖拽事件
+    if(Object.prototype.toString.call(rows) === '[object Array]' && rows.length === 0){
+      return;
+    }
     if(!this.event){ //避免多次绑定问题。
       this.event = true;
       if(dragborder){