Add multiple demo for TreeSelect

components/tree-select/__tests__/__snapshots__/demo.test.js.snap

@@ -86,6 +86,45 @@ exports[`renders ./components/tree-select/demo/checkable.md correctly 1`] = `
 </span>
 `;
 
+exports[`renders ./components/tree-select/demo/multiple.md correctly 1`] = `
+<span
+  class="ant-select ant-select-enabled ant-select-allow-clear"
+  style="width:300px;"
+>
+  <span
+    aria-autocomplete="list"
+    aria-haspopup="true"
+    class="ant-select-selection
+              ant-select-selection--multiple"
+    role="combobox"
+  >
+    <ul
+      class="ant-select-selection__rendered"
+    >
+      <li
+        class="ant-select-search ant-select-search--inline"
+      >
+        <span
+          class="ant-select-search__field__wrap"
+        >
+          <input
+            class="ant-select-search__field"
+            role="textbox"
+            value=""
+          />
+        </span>
+      </li>
+    </ul>
+    <span
+      class="ant-select-search__field__placeholder"
+      style="display:block;"
+    >
+      Please select
+    </span>
+  </span>
+</span>
+`;
+
 exports[`renders ./components/tree-select/demo/treeData.md correctly 1`] = `
 <span
   class="ant-select ant-select-enabled"

components/tree-select/demo/checkable.md

@@ -1,13 +1,13 @@
 ---
-order: 2
+order: 3
 title:
-  zh-CN: 多选
-  en-US: Multiple
+  zh-CN: 可勾选
+  en-US: Checkable
 ---
 
 ## zh-CN
 
-多选和勾选框功能。
+使用勾选框实现多选功能。
 
 ## en-US
 
@@ -58,7 +58,6 @@ class Demo extends React.Component {
       treeData,
       value: this.state.value,
       onChange: this.onChange,
-      multiple: true,
       treeCheckable: true,
       showCheckedStrategy: SHOW_PARENT,
       searchPlaceholder: 'Please select',

components/tree-select/demo/multiple.md

@@ -0,0 +1,56 @@
+---
+order: 1
+title:
+  zh-CN: 多选
+  en-US: Multiple Selection
+---
+
+## zh-CN
+
+多选的树选择。
+
+## en-US
+
+Multiple selection usage.
+
+````jsx
+import { TreeSelect } from 'antd';
+const TreeNode = TreeSelect.TreeNode;
+
+class Demo extends React.Component {
+  state = {
+    value: undefined,
+  }
+  onChange = (value) => {
+    console.log(arguments);
+    this.setState({ value });
+  }
+  render() {
+    return (
+      <TreeSelect
+        showSearch
+        style={{ width: 300 }}
+        value={this.state.value}
+        dropdownStyle={{ maxHeight: 400, overflow: 'auto' }}
+        placeholder="Please select"
+        allowClear
+        multiple
+        treeDefaultExpandAll
+        onChange={this.onChange}
+      >
+        <TreeNode value="parent 1" title="parent 1" key="0-1">
+          <TreeNode value="parent 1-0" title="parent 1-0" key="0-1-1">
+            <TreeNode value="leaf1" title="my leaf" key="random" />
+            <TreeNode value="leaf2" title="your leaf" key="random1" />
+          </TreeNode>
+          <TreeNode value="parent 1-1" title="parent 1-1" key="random2">
+            <TreeNode value="sss" title={<b style={{ color: '#08c' }}>sss</b>} key="random3" />
+          </TreeNode>
+        </TreeNode>
+      </TreeSelect>
+    );
+  }
+}
+
+ReactDOM.render(<Demo />, mountNode);
+````

components/tree-select/demo/treeData.md

@@ -1,5 +1,5 @@
 ---
-order: 1
+order: 2
 title:
   zh-CN: 从数据直接生成
   en-US: Generate form tree data