关于vue.js:vue动态样式

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1.class 的对象绑定

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <script src="./vue.js"></script>
  <title>Hello World</title> 
  <style>
    .activated {color: red;}
  </style>
</head>

<div :class="{activated: isActivated}" @click="handleClick" id="app">
    {{message}}
</div>

var app = new Vue({
      el: '#app',
      data: {
        message: 'Hello World!!!',
        isActivated: false
      },
      methods: {handleClick: function() {this.isActivated = !this.isActivated}
      }
    })

2.class 数组绑定

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <script src="./vue.js"></script>
  <title>Hello World</title> 
  <style>
    .activated {color: aqua;}
    .activatedOne {color: red;}
  </style>
</head>

<div :class="[activated,activatedOne]" @click="handleClick" id="app">
    {{message}}
  </div>

var app = new Vue({
      el: '#app',
      data: {
        message: 'Hello World!!!',
        activated: '',
        activatedOne: 'activatedOne'
      },
      methods: {handleClick: function() {this.activated = this.activated === 'activated' ? "":'activated'this.activatedOne = this.activatedOne ==='activatedOne'?"" : 'activatedOne'}
      }
    })

数组款式绑定

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <script src="./vue.js"></script>
  <title>Hello World</title> 
  <style>
    .activated {color: aqua;}
    .activatedOne {color: red;}
  </style>
</head>

<div :style="[styleObj]" @click="handleClick" id="app">
    {{message}}
  </div>

var app = new Vue({
      el: '#app',
      data: {
        message: 'Hello World!!!',
        styleObj : {color: "black"}
      },
      methods: {handleClick: function() {this.styleObj.color = this.styleObj.color==="black" ? "red" : "black" ;}
      }
    })

正文完