Should update table data when changing pageSize

fix #317

components/table/demo/paging.md

@@ -35,7 +35,8 @@ for (let i=0; i<46; i++) {
 
 var pagination = {
   total: data.length,
-  current: 2
+  current: 2,
+  showSizeChanger: true
 };
 
 React.render(<Table columns={columns} dataSource={data} pagination={pagination} />

components/table/index.jsx

@@ -304,6 +304,13 @@ let AntTable = React.createClass({
     });
   },
 
+  handleShowSizeChange(current, pageSize) {
+    let pagination = objectAssign(this.state.pagination, {
+      pageSize: pageSize
+    });
+    this.fetch({ pagination });
+  },
+
   renderPagination() {
     // 强制不需要分页
     if (!this.hasPagination()) {
@@ -321,6 +328,7 @@ let AntTable = React.createClass({
                        onChange={this.handlePageChange}
                        total={total}
                        pageSize={10}
+                       onShowSizeChange={this.handleShowSizeChange}
       {...this.state.pagination} /> : null;
   },