[change] optimize the webapack config

[change] rename test to examples

examples/routers/cascader.vue

@@ -0,0 +1,77 @@
+<template>
+    {{ text }}
+    <Cascader :data="data" @on-change="handleChange">
+        <a href="javascript:void(0)">选择</a>
+    </Cascader>
+
+    <Row>
+        <i-col span="4">
+            Disabled <Switch :checked.sync="disabled"></Switch>
+        </i-col>
+        <i-col span="4">
+            <Cascader :data="data" :value.sync="value1" :disabled="disabled"></Cascader>
+        </i-col>
+    </Row>
+</template>
+<script>
+    export default {
+        data () {
+            return {
+                disabled: false,
+                text: '未选择',
+                data: [{
+                    value: 'beijing',
+                    label: '北京',
+                    children: [
+                        {
+                            value: 'gugong',
+                            label: '故宫'
+                        },
+                        {
+                            value: 'tiantan',
+                            label: '天坛'
+                        },
+                        {
+                            value: 'wangfujing',
+                            label: '王府井'
+                        }
+                    ]
+                }, {
+                    value: 'jiangsu',
+                    label: '江苏',
+                    children: [
+                        {
+                            value: 'nanjing',
+                            label: '南京',
+                            children: [
+                                {
+                                    value: 'fuzimiao',
+                                    label: '夫子庙',
+                                }
+                            ]
+                        },
+                        {
+                            value: 'suzhou',
+                            label: '苏州',
+                            children: [
+                                {
+                                    value: 'zhuozhengyuan',
+                                    label: '拙政园',
+                                },
+                                {
+                                    value: 'shizilin',
+                                    label: '狮子林',
+                                }
+                            ]
+                        }
+                    ],
+                }]
+            }
+        },
+        methods: {
+            handleChange (value, selectedData) {
+                this.text = selectedData.map(o => o.label).join(', ');
+            }
+        }
+    }
+</script>