fix picker multicolumn with same key bug

components/Picker/Picker.jsx

@@ -216,11 +216,12 @@ class Picker extends Component {
         }
       }
 
-      let treeChildren2 = this.props.dataSource.reduce((a, b) => {
-        return a.concat(b);
-      }, []);
-      treeChildren2 = treeChildren2.filter((item) => { return ~value.indexOf(item[valueMember]); });
-
+      const treeChildren2 = data.map((d, index) => {
+        if (value[index]) {
+          return d.find(obj => value[index] === obj[valueMember]);
+        }
+        return undefined;
+      }).filter(t => !!t);
       return this._displayRender(treeChildren2);
     };
 

examples/pages/Test.jsx

@@ -0,0 +1,55 @@
+import React, { Component } from 'react';
+import Container from '../components/Container';
+import Header from '../components/Header';
+import Footer from '../components/Footer';
+import { Picker } from '../../components';
+import '../styles/pages/BadgePage';
+
+class Page extends Component {
+  state = {
+    single:{}
+  }
+  render() {
+    const {single} = this.state
+    return (
+      <Container className="test">
+        <Header title="Test" />
+        <main>
+          <Picker
+            visible={single.visible}
+            dataSource={[
+              {
+                idCardType: 1,
+                idCardName: '身份证',
+              },
+              {
+                idCardType: 2,
+                idCardName: '护照',
+              },
+              {
+                idCardType: 3,
+                idCardName: '出生证',
+              },
+            ]}
+            value={single.value}
+            displayMember="idCardName"
+            valueMember="idCardType"
+            onOk={(value) => {
+              console.log('pickerPage onOk ->', value);
+              const _value = value.idCardType;
+              single.value = _value;
+              this.setState({
+                single,
+              });
+            }}
+            onCancel={() => {
+            }}
+            />
+        </main>
+        <Footer />
+      </Container>
+    );
+  }
+}
+
+export default Page;