update breadcrumb demo

components/breadcrumb/demo/basic.md

@@ -2,7 +2,7 @@
 
 - order: 0
 
-最简单的用法。
+最简单的用法，存在 `href` 表示可点。
 
 ---
 
@@ -11,9 +11,10 @@ var Breadcrumb = antd.Breadcrumb;
 
 React.render(
   <Breadcrumb>
-    <Breadcrumb.Item href="">首页</Breadcrumb.Item>
+    <Breadcrumb.Item>首页</Breadcrumb.Item>
+    <Breadcrumb.Item href="">应用中心</Breadcrumb.Item>
     <Breadcrumb.Item href="">应用列表</Breadcrumb.Item>
-    <Breadcrumb.Item>应用</Breadcrumb.Item>
+    <Breadcrumb.Item>某应用</Breadcrumb.Item>
   </Breadcrumb>
 , document.getElementById('components-breadcrumb-demo-basic'));
 ````

components/breadcrumb/demo/withIcon.md

@@ -0,0 +1,27 @@
+# 带有图标的
+
+- order: 1
+
+图标放在文字前面。
+
+---
+
+````jsx
+var Breadcrumb = antd.Breadcrumb;
+
+React.render(
+  <Breadcrumb>
+    <Breadcrumb.Item href="">
+      <i className="anticon anticon-user"></i>
+    </Breadcrumb.Item>
+    <Breadcrumb.Item href="">
+      <i className="anticon anticon-folder-open"></i>
+      应用列表
+    </Breadcrumb.Item>
+    <Breadcrumb.Item>
+      应用
+    </Breadcrumb.Item>
+  </Breadcrumb>
+, document.getElementById('components-breadcrumb-demo-withicon'));
+````
+

components/breadcrumb/index.jsx

@@ -9,20 +9,21 @@ let BreadcrumbItem = React.createClass({
     var link = <a className={prefixCls + '-link'} {...this.props}>{this.props.children}</a>;
     var slash = <span className={prefixCls + '-slash'}>/</span>;
     if (typeof this.props.href === 'undefined') {
-      slash = '';
       link = <span className={prefixCls + '-link'} {...this.props}>{this.props.children}</span>;
     }
-    return (
-      <span>
-        {link}
-        {slash}
-      </span>
-    );
+    if (this.props.last) {
+      slash = '';
+    }
+    return <span>{link} {slash}</span>;
   }
 });
 
 let Breadcrumb = React.createClass({
   render() {
+    if (this.props.children.length > 0) {
+      var last = this.props.children[this.props.children.length - 1];
+      last.props.last = true;
+    }
     return (
       <div className={prefixCls}>
         {this.props.children}

style/components/breadcrumb.less

@@ -17,4 +17,14 @@
     margin: 0 8px;
     color: #d9d9d9;
   }
+
+  .anticon {
+    font-size: 14px;
+    position: relative;
+    top: -1px;
+  }
+
+  .anticon + span {
+    margin-left: 6px;
+  }
 }

style/mixins/iconfont.less

@@ -6,13 +6,9 @@
   text-align: center;
   text-transform: none;
   text-rendering: auto;
-  // 更好地渲染字体
-  -webkit-font-smoothing: antialiased;
-  -webkit-text-stroke-width: 0px;
-  -moz-osx-font-smoothing: grayscale;
 
   &:before {
     display: block;
     font-family: "anticon" !important;
   }
-}
+}