Vue中的样式绑定

1.class对象绑定
2.calss数组方式绑定
3.style内联绑定
4.style数组方式绑定

点击切换.gif

class对象绑定

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>vue中样式绑定</title>
    <script src="../vue2.js"></script>
    <style>
        .activated {
            color: red;
        }
    </style>
</head>

<body>
    <div id="app">
        <!-- class对象绑定 -->
        <div @click='handleClick' :class="{activated: isActivated}">
            hello world！
        </div>
    </div>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                // 关闭
                isActivated: false
            },
            methods: {
                handleClick: function() {
                    // 点击改变样式
                    this.isActivated = !this.isActivated;
                }
            }
        })
    </script>
</body>

class数组绑定

<body>
    <div id="app">
        <!-- class数组绑定 -->
        <div @click='handleClick' :class="[activated]">
            hello world！
        </div>
    </div>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                activated: ''
            },
            methods: {
                handleClick: function() {
                    // 点击改变样式
                    this.activated = this.activated === "activate" ? "" : "activate";
                }
            }
        })
    </script>
</body>

style 内联绑定

<body>
    <div id="app">
        <div :style="styleObj" @click="handleDivClick">
            Hello world
        </div>
    </div>

    <script>
        var vm = new Vue({
            el: "#app",
            data: {
                styleObj: {
                    color: "black"
                }
            },
            methods: {
                handleDivClick: function () {
                    this.styleObj.color = this.styleObj.color === "black" ?
                        "red" : "black";
                }
            }
        })
    </script>
</body>

style数组绑定

<body>
    
    <div id="app">
        <div :style="[styleObj,{fontSize: '20px'}]" @click="handleDivClick">
            Hello world
        </div>
    </div>

    <script>
        var vm = new Vue({
            el: "#app",
            data: {
                styleObj: {
                    color: "black"
                }
            },
            methods: {
                handleDivClick: function () {
                    this.styleObj.color = this.styleObj.color === "black" ?
                }
            }
                        "red" : "black";
        })
    </script>
</body>