快应用动态绑定class和style方法

<template>
  <div class="doc-page">
    <div class="page-title-wrap">
      <text class="page-title">{{ componentName }}</text>
    </div>
    <div class="item-container">
      <div style="flex-direction: column; align-items: center;">
        <!-- 1.修改 class -->
        <text class="normal-text {{ className }}" onclick="changeClassName">点击我修改文字颜色</text>
        <!-- 2.修改内联 style -->
        <text style="color: {{ textColor }}" onclick="changeInlineStyle">点击我修改文字颜色</text>
        <!-- 3.修改绑定的对象 (1030+) -->
        <text style="{{ styleObj }}" onclick="changeStyleObj">点击我修改文字颜色</text>
        <!-- 4.修改绑定的样式字符串 (1030+) -->
        <text style="{{ styleText }}" onclick="changeStyleText">点击我修改文字颜色</text>
      </div>
    </div>
  </div>
</template>

<script>
  export default {
    private: {
      className: 'text-blue',
      textColor: '#0faeff',
      styleObj: {
        color: 'red'
      },
      styleText: 'color: blue',
      componentName: '动态修改样式'
    },
    onInit () {
      this.$page.setTitleBar({ text: this.componentName })
    },
    changeClassName () {
      this.className = 'text-red'
    },
    changeInlineStyle () {
      this.textColor = '#f76160'
    },
    changeStyleObj () {
      this.styleObj = {
        color: 'yellow'
      }
    },
    changeStyleText () {
      this.styleText = 'color: green'
    }
  }
</script>

<style>
  @import '../../../common/css/common.css';
  text {
    margin: 20px;
  }
  .normal-text {
    font-weight: bold;
  }
  .text-blue {
    color: #0faeff;
  }
  .text-red {
    color: #f76160;
  }
</style>