Add advanced search form demo

components/form/demo/advanced-search-form.md

+# 高级搜索
+
+- order: 10
+
+三列栅格式的表单排列方式，常用于数据表格的高级搜索。
+
+有部分定制的样式代码，由于输入标签长度不确定，需要根据具体情况自行调整。
+
+---
+
+````jsx
+import { Form, Input, Row, Col, Button } from 'antd';
+const FormItem = Form.Item;
+
+ReactDOM.render(
+<Form horizontal className="advanced-search-form">
+  <Row>
+    <Col span="8">
+      <FormItem
+        label="搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+      <FormItem
+        label="较长搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+      <FormItem
+        label="搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+    </Col>
+    <Col span="8">
+      <FormItem
+        label="搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+      <FormItem
+        label="较长搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+      <FormItem
+        label="搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+    </Col>
+    <Col span="8">
+      <FormItem
+        label="搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+      <FormItem
+        label="较长搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+      <FormItem
+        label="搜索名称："
+        labelCol={{span: 10}}
+        wrapperCol={{span: 14}}>
+        <Input placeholder="请输入搜索名称" />
+      </FormItem>
+    </Col>
+  </Row>
+  <Row>
+    <Col span="8" offset="16" style={{textAlign: 'right'}}>
+      <Button type="primary" htmlType="submit">搜索</Button>
+      <Button type="ghost">清除条件</Button>
+    </Col>
+  </Row>
+</Form>
+, mountNode);
+````
+
+````css
+/* 定制样式 */
+
+.advanced-search-form {
+  padding: 16px 8px;
+  background: #FBFBFB;
+  border: 1px solid #d9d9d9;
+  border-radius: 6px;
+}
+
+/* 由于输入标签长度不确定，所以需要微调使之看上去居中 */
+.advanced-search-form > .row {
+  margin-left: -10px;
+}
+
+.advanced-search-form > .row > .col-8 {
+  padding: 0 8px;
+}
+
+.advanced-search-form .ant-form-item {
+  margin-bottom: 16px;
+}
+
+.advanced-search-form .ant-btn + .ant-btn {
+  margin-left: 8px;
+}
+````
+
+<style>
+#components-form-demo-three-cols .ant-form-horizontal {
+  max-width: none;
+}
+</style>

components/form/index.md

@@ -3,6 +3,7 @@
 - category: Components
 - chinese: 表单
 - type: 表单
+- cols: 1
 
 ---
 
@@ -86,3 +87,8 @@ Mixin：当表单控件的输入值改变时，更新 formData。
 </Input.Group>
 ```
 
+<style>
+.code-box-demo .ant-form-horizontal {
+  max-width: 540px;
+}
+</style>

site/static/tomorrow.css

@@ -41,6 +41,7 @@ code {
   color: #888;
   font-size: 90%;
   border: 1px solid #e9e9e9;
+  white-space: nowrap;
 }
 
 pre code {
@@ -53,4 +54,5 @@ pre code {
   padding: 10px 15px;
   border-radius: 6px;
   font-size: 14px;
+  white-space: pre;
 }