更新组件演示页面，方便用户直接使用组件，去除tn-button的默认背景色，tn-avatar修改参数默认值，修复tn-avatar-group最开始头像进行了偏移、修复无法使用标签的bug，tn-badge修改参数默认值，tn-collapse-item修复背景颜色失效问题，滚动通知移除默认背景颜色和字体大小，tn-count-down修复时间单位不正确问题，列表组件修复背景颜色问题，tn-nav-bar返回按钮修改为可进行修改的图标，tn-step添加点击步骤进行跳转，tn-loading修复默认激活颜色出错问题，tn-tag移除默认背景颜色，优化阴影大小css

componentsPage/steps/steps.vue

@@ -1,6 +1,6 @@
 <template>
 
-  <view class="components-steps">
+  <view class="components-steps tn-safe-area-inset-bottom">
 
     <!-- 顶部自定义导航 -->
     <tn-nav-bar fixed>Steps步骤条</tn-nav-bar>
@@ -8,9 +8,46 @@
     <!-- 页面内容 -->
     <view :style="{paddingTop: vuex_custom_bar_height + 'px'}">
       
-      <dynamic-demo-template ref="demoTemplate" :tips="tips" :sectionList="sectionList" :full="true" @click="click">
-        <tn-steps :list="list" :current="current" :mode="mode" :direction="direction" :showTitle="showTitle" :activeColor="activeColor" :inActiveColor="inActiveColor"></tn-steps>
-      </dynamic-demo-template>
+      <view class="operate_btn">
+        <view>
+          <tn-button backgroundColor="tn-bg-indigo" fontColor="tn-color-white" @click="prevStep">上一步</tn-button>
+        </view>
+        <view>
+          <tn-button backgroundColor="#01BEFF" fontColor="tn-color-white" @click="nextStep">下一步</tn-button>
+        </view>
+      </view>
+      
+      <view class="tn-padding-top-lg"></view>
+      
+      <demo-title title="点模式">
+        <tn-steps :list="list" :current="current" @click="stepItemClick"></tn-steps>
+      </demo-title>
+      
+      <demo-title title="数值模式">
+        <tn-steps :list="list" :current="current" mode="number" @click="stepItemClick"></tn-steps>
+      </demo-title>
+      
+      <demo-title title="图标模式">
+        <tn-steps :list="list" :current="current" mode="icon" @click="stepItemClick"></tn-steps>
+      </demo-title>
+      
+      <demo-title title="点图标模式">
+        <tn-steps :list="list" :current="current" mode="dotIcon" @click="stepItemClick"></tn-steps>
+      </demo-title>
+      
+      <demo-title title="隐藏标题">
+        <tn-steps :list="list" :current="current" mode="icon" :showTitle="false" @click="stepItemClick"></tn-steps>
+      </demo-title>
+      
+      <demo-title title="自定义颜色">
+        <tn-steps :list="list" :current="current" mode="icon" activeColor="#24F083" inActiveColor="#E6E6E6" @click="stepItemClick"></tn-steps>
+      </demo-title>
+      
+      <demo-title title="垂直显示">
+        <tn-steps :list="list" :current="current" direction="column" @click="stepItemClick"></tn-steps>
+      </demo-title>
+      
+      <view class="tn-padding-bottom-lg"></view>
 
     </view>
 
@@ -19,10 +56,10 @@
 </template>
 
 <script>
-  import dynamicDemoTemplate from '@/libs/components/dynamic-demo-template.vue'
+  import demoTitle from '@/libs/components/demo-title.vue'
   export default {
     name: 'componentsSteps',
-    components: {dynamicDemoTemplate},
+    components: {demoTitle},
     data() {
       return {
         list: [
@@ -31,112 +68,38 @@
           {name: '第三步', icon: 'safe', selectIcon: 'safe-fill'},
           {name: '第四步', icon: 'vip', selectIcon: 'vip-fill'}
         ],
-        current: 0,
-        mode: 'dot',
-        direction: 'row',
-        showTitle: true,
-        activeColor: '#01BEFF',
-        inActiveColor: '#AAAAAA',
         
-        tips: ['无需依赖额外的样式文件','使用tn-steps组件'],
-        sectionList: [
-          {
-            name: '参数切换',
-            section: [
-              {
-                title: '步骤',
-                optional: ['上一步','下一步'],
-                methods: 'currentChange',
-                current: 1
-              },
-              {
-                title: '模式',
-                optional: ['点模式','数值模式','图标模式','点图标模式'],
-                methods: 'modeChange'
-              },
-              {
-                title: '方向',
-                optional: ['横向','竖直'],
-                methods: 'directionChange'
-              },
-              {
-                title: '显示标题',
-                optional: ['显示','隐藏'],
-                methods: 'showTitleChange'
-              },
-              {
-                title: '自定义颜色',
-                optional: ['默认','自定义'],
-                methods: 'colorChange'
-              }
-            ]
-          }
-        ]
-
+        current: 0
       }
     },
     methods: {
-      click(event) {
-        this[event.methods] && this[event.methods](event)
-      },
-      // 切换步骤
-      currentChange(event) {
+      prevStep() {
         let current = this.current
-        if (event.index === 0) {
-          current--
-          this.current = current < 0 ? 0 : current
-        } else {
-          current++
-          this.current = current > this.list.length ? this.list.length : current
-        }
+        current--
+        this.current = current < 0 ? 0 : current
       },
-      // 切换模式
-      modeChange(event) {
-        switch (event.index) {
-          case 0:
-            this.mode = 'dot'
-            break
-          case 1:
-            this.mode = 'number'
-            break
-          case 2:
-            this.mode = 'icon'
-            break
-          case 3:
-            this.mode = 'dotIcon'
-            break
-        }
-        this.$refs.demoTemplate.updateSectionScrollView()
+      nextStep() {
+        let current = this.current
+        current++
+        this.current = current > this.list.length ? this.list.length : current
       },
-      // 切换方向
-      directionChange(event) {
-        this.direction = event.index === 0 ? 'row' : 'column'
-        this.$refs.demoTemplate.updateSectionScrollView()
-      },
-      // 切换标题情况
-      showTitleChange(event) {
-        this.showTitle = event.index === 0 ? true : false
-        this.$refs.demoTemplate.updateSectionScrollView()
-      },
-      // 切换颜色样式
-      colorChange(event) {
-        switch(event.index) {
-          case 0:
-            this.activeColor = '#01BEFF'
-            this.inActiveColor = '#AAAAAA'
-            break
-          case 1:
-            this.activeColor = '#24F083'
-            this.inActiveColor = '#E6E6E6'
-            break
-        }
+      stepItemClick(e) {
+        this.current = e.index
       }
-
-    },
+    }
 
   }
 </script>
 
 <style lang="scss" scoped>
-
+  .operate_btn {
+    position: fixed;
+    width: 100%;
+    padding: 0 30rpx;
+    margin: 30rpx 0;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    z-index: 1000;
+  }
 </style>