column新增`titleAlign`和`contentAlign`属性,控制标题和内容的居中

src/Table.js

@@ -480,7 +480,8 @@ class Table extends Component {
         fixed: column.fixed,
         width: width,
         dataindex:column.dataIndex,
-        textAlign:column.textAlign
+        textAlign:column.textAlign,
+        titleAlign: column.titleAlign, // 标题水平对齐方式
       };
       if (column.onHeadCellClick) {
         cell.onClick = column.onHeadCellClick;

src/TableCell.js

@@ -125,7 +125,10 @@ class TableCell extends Component{
     if(column.fixed && !fixed){
       className = className+` ${clsPrefix}-fixed-columns-in-body`;
     }
-    if(column.textAlign){
+    if(column.contentAlign){
+      className =  className+` text-${column.contentAlign}`;
+    }
+    else if(column.textAlign){
       className =  className+` text-${column.textAlign}`;
     }
     if(typeof text == 'string' && bodyDisplayInRow){

src/TableHeader.js

@@ -745,10 +745,15 @@ class TableHeader extends Component {
                 canDotDrag = "th-can-not-drag";
               }
               let thClassName = `${da.className}`?`${da.className}`:'';
-              if(da.textAlign){
+              if(da.titleAlign){
+                thClassName += ` text-${da.titleAlign} `;
+              }
+              else if(da.textAlign){
                 thClassName += ` text-${da.textAlign} `;
               }
+              
               delete da.textAlign;
+              delete da.titleAlign;
               const keyTemp = {};
               //避免key为undefined
               // if(da.dataindex && da.key ===undefined ){