fix #1324 Step-Form breadcrumbs path problem

src/components/PageHeader/index.js

@@ -26,6 +26,18 @@ export default class PageHeader extends PureComponent {
     location: PropTypes.object,
     breadcrumbNameMap: PropTypes.object,
   };
+
+  state = {
+    breadcrumb: null,
+  };
+
+  componentDidMount() {
+    this.getBreadcrumbDom();
+  }
+  componentWillReceiveProps() {
+    this.getBreadcrumbDom();
+  }
+
   onChange = key => {
     if (this.props.onTabChange) {
       this.props.onTabChange(key);
@@ -39,6 +51,12 @@ export default class PageHeader extends PureComponent {
       breadcrumbNameMap: this.props.breadcrumbNameMap || this.context.breadcrumbNameMap,
     };
   };
+  getBreadcrumbDom = () => {
+    const breadcrumb = this.conversionBreadcrumbList();
+    this.setState({
+      breadcrumb,
+    });
+  };
   // Generated according to props
   conversionFromProps = () => {
     const { breadcrumbList, breadcrumbSeparator, linkElement = 'a' } = this.props;
@@ -158,8 +176,8 @@ export default class PageHeader extends PureComponent {
       tabDefaultActiveKey,
       tabBarExtraContent,
     } = this.props;
+
     const clsString = classNames(styles.pageHeader, className);
-    const breadcrumb = this.conversionBreadcrumbList();
     const activeKeyProps = {};
     if (tabDefaultActiveKey !== undefined) {
       activeKeyProps.defaultActiveKey = tabDefaultActiveKey;
@@ -170,7 +188,7 @@ export default class PageHeader extends PureComponent {
 
     return (
       <div className={clsString}>
-        {breadcrumb}
+        {this.state.breadcrumb}
         <div className={styles.detail}>
           {logo && <div className={styles.logo}>{logo}</div>}
           <div className={styles.main}>