swipe add indicator

docs/examples-dist/button.vue

@@ -53,13 +53,6 @@
   </zan-col>
 </zan-row>
 
-              </example-block><example-block title="button group">
-                <div class="button-group">
-  <zan-button type="primary" size="small">确认付款</zan-button>
-  <zan-button size="small">确认收货</zan-button>
-  <zan-button size="small">取消订单</zan-button>
-</div>
-
               </example-block></section></template>
 <style>
 @component-namespace demo {

docs/examples-docs/swipe.md

@@ -12,6 +12,16 @@
 }
 </style>
 
+<script>
+export default {
+  methods: {
+    handlePageEnd(page, index) {
+      console.log(page, index);
+    }
+  }
+};
+</script>
+
 ## Swipe 轮播
 
 ### 基础用法
@@ -33,7 +43,7 @@
 
 :::demo 自动轮播
 ```html
-<zan-swipe :auto-play="true">
+<zan-swipe :auto-play="true" @pagechange:end="handlePageEnd">
   <zan-swipe-item>
     <img src="https://img.yzcdn.cn/upload_files/2017/03/14/FmTPs0SeyQaAOSK1rRe1sL8RcwSY.jpeg?imageView2/2/w/980/h/980/q/75/format/webp" alt="">
   </zan-swipe-item>
@@ -43,3 +53,16 @@
 </zan-swipe>
 ```
 :::
+
+### API
+
+| 参数       | 说明      | 类型       | 默认值       | 可选值       |
+|-----------|-----------|-----------|-------------|-------------|
+| autoPlay | 是否自动轮播 | `boolean`  |    `false`     |    `true`, `false`      |
+| showIndicators | 是否显示指示器 | `boolean`  |   `true`       |   `true`, `false`       |
+
+### 事件
+
+| 事件名       | 说明      | 参数 |
+|-----------|-----------|-----------|
+| `pagechange:end` | 每一页轮播结束后触发 | `(elem, currIndex)`：`elem`为触发页当前的DOM节点 |

packages/swipe/src/swipe-item.vue

@@ -6,6 +6,11 @@
 
 <script>
 export default {
-  name: 'zan-swipe-item'
+  name: 'zan-swipe-item',
+
+
+  beforeCreate() {
+    this.$parent.swipes.push(this);
+  }
 };
 </script>

packages/swipe/src/swipe.vue

@@ -1,6 +1,14 @@
 <template>
   <div class="zan-swipe">
-    <slot></slot>
+    <div class="zan-swipe__items">
+      <slot></slot>
+    </div>
+    <div class="zan-swipe__indicators" v-if="showIndicators">
+      <span class="zan-swipe__indicator" v-for="i in swipes.length" :class="{
+        'zan-swipe__indicator--active': currIndex === i -1
+      }">
+      </span>
+    </div>
   </div>
 </template>
 
@@ -13,13 +21,17 @@ export default {
   name: 'zan-swipe',
 
   props: {
-    autoPlay: {
+    autoPlay: Boolean,
+    showIndicators: {
       type: Boolean,
-      default: false
-    },
-    onPageChangeEnd: {
-      type: Function,
-      default: () => {}
+      default: true
+    }
+  },
+
+  data() {
+    return {
+      currIndex: 0,
+      swipes: []
     }
   },
 
@@ -53,6 +65,13 @@ export default {
 
   updated() {
     this.scroll.update();
+  },
+
+  methods: {
+    onPageChangeEnd(page, currIndex) {
+      this.currIndex = +currIndex;
+      this.$emit('pagechange:end', page, currIndex);
+    }
   }
 };
 </script>

packages/zanui-css/src/swipe.css

@@ -1,24 +1,49 @@
+@import './common/var.css';
+
 @component-namespace zan {
-    @b swipe {
-        position: relative;
-        overflow: hidden;
-        width: 100%;
+  @b swipe {
+    position: relative;
+    overflow: hidden;
+    width: 100%;
+
+    @e indicators {
+      position: absolute;
+      bottom: 10px;
+      left: 50%;
+      transform: translateX(-50%);
     }
 
-    @b swipe-item {
-        display: none;
-        width: 100%;
-        height: 100%;
-        overflow: hidden;
-        text-align: center;
+    @e indicator {
+      width: 5px;
+      height: 5px;
+      display: inline-block;
+      border-radius: 100%;
+      background: #000;
+      opacity: .2;
+      margin: 0 3px;
+      z-index: 1;
 
-        img {
-            width: 100%;
-            height: auto;
-        }
-
-        &:first-child {
-            display: block;
-        }
+      @m active {
+        background: $c-orange;
+        opacity: 1;
+      }
     }
+  }
+
+  @b swipe-item {
+    display: none;
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+    text-align: center;
+
+    img {
+      width: 100%;
+      height: auto;
+    }
+
+    &:first-child {
+      display: block;
+    }
+  }
 }