[Doc] Button: add route demo (#4068)

src/button/README.md

@@ -73,6 +73,13 @@ Vue.use(Button);
 <van-button type="primary" size="mini">Mini</van-button>
 ```
 
+### Route
+
+```html
+<van-button type="primary" url="//youzan.github.io/vant/mobile.html">URL</van-button>
+<van-button type="primary" to="index">Vue Router</van-button>
+```
+
 ## API
 
 ### Props

src/button/README.zh-CN.md

@@ -89,6 +89,15 @@ Vue.use(Button);
 <van-button type="primary" size="mini">迷你按钮</van-button>
 ```
 
+### 页面导航
+
+可以通过`url`属性进行 URL 跳转，或通过`to`属性进行路由跳转
+
+```html
+<van-button type="primary" url="//youzan.github.io/vant/mobile.html">URL 跳转</van-button>
+<van-button type="primary" to="index">路由跳转</van-button>
+```
+
 ## API
 
 ### Props

src/button/demo/index.vue

@@ -125,6 +125,19 @@
         {{ $t('mini') }}
       </van-button>
     </demo-block>
+
+    <demo-block :title="$t('router')">
+      <van-button
+        :text="$t('urlRoute')"
+        type="primary"
+        url="//youzan.github.io/vant/mobile.html"
+      />
+      <van-button
+        :text="$t('vueRoute')"
+        type="primary"
+        to="index"
+      />
+    </demo-block>
   </demo-section>
 </template>
 
@@ -151,7 +164,10 @@ export default {
       round: '圆形按钮',
       hairline: '细边框',
       hairlineButton: '细边框按钮',
-      loadingText: '加载中...'
+      loadingText: '加载中...',
+      router: '页面导航',
+      urlRoute: 'URL 跳转',
+      vueRoute: '路由跳转'
     },
     'en-US': {
       type: 'Type',
@@ -173,7 +189,10 @@ export default {
       round: 'Round',
       hairline: 'Hairline',
       hairlineButton: 'Hairline',
-      loadingText: 'Loading...'
+      loadingText: 'Loading...',
+      router: 'Router',
+      urlRoute: 'URL',
+      vueRoute: 'Vue Router'
     }
   }
 };

src/button/test/__snapshots__/demo.spec.js.snap

@@ -31,5 +31,6 @@ exports[`renders demo correctly 1`] = `
     </span></button> <button class="van-button van-button--primary van-button--mini"><span class="van-button__text">
       迷你按钮
     </span></button></div>
+  <div><button class="van-button van-button--primary van-button--normal"><span class="van-button__text">URL 跳转</span></button> <button class="van-button van-button--primary van-button--normal"><span class="van-button__text">路由跳转</span></button></div>
 </div>
 `;