fix: showTotal should work on simple mode (#433)

* Update Pagination.jsx

simple 不覆盖会 showTotal 配置选项

* Update Pagination.jsx

* Update Pagination.jsx

* Update simple.jsx

Author: KevinBrother

docs/examples/simple.jsx

@@ -2,4 +2,15 @@ import React from 'react';
 import Pagination from 'rc-pagination';
 import '../../assets/index.less';
 
-export default () => <Pagination simple defaultCurrent={1} total={50} />;
+export default () => (
+  <>
+    <Pagination simple defaultCurrent={1} total={50} />
+    <br />
+    <Pagination
+      simple
+      defaultCurrent={1}
+      total={50}
+      showTotal={(total) => `Total ${total} items`}
+    />
+  </>
+);

src/Pagination.jsx

@@ -425,6 +425,15 @@ class Pagination extends React.Component {
       },
       {},
     );
+    
+    const totalText = showTotal && (
+      <li className={`${prefixCls}-total-text`}>
+        {showTotal(total, [
+          total === 0 ? 0 : (current - 1) * pageSize + 1,
+          current * pageSize > total ? total : current * pageSize,
+        ])}
+      </li>
+    );
 
     if (simple) {
       if (goButton) {
@@ -467,6 +476,7 @@ class Pagination extends React.Component {
           ref={this.savePaginationNode}
           {...dataOrAriaAttributeProps}
         >
+          {totalText}
           <li
             title={showTitle ? locale.prev_page : null}
             onClick={this.prev}
@@ -661,19 +671,7 @@ class Pagination extends React.Component {
         pagerList.push(lastPager);
       }
     }
-
-    let totalText = null;
-
-    if (showTotal) {
-      totalText = (
-        <li className={`${prefixCls}-total-text`}>
-          {showTotal(total, [
-            total === 0 ? 0 : (current - 1) * pageSize + 1,
-            current * pageSize > total ? total : current * pageSize,
-          ])}
-        </li>
-      );
-    }
+    
     const prevDisabled = !this.hasPrev() || !allPages;
     const nextDisabled = !this.hasNext() || !allPages;
     return (