• select2


    <!DOCTYPE html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
        <script src="https://unpkg.com/vue/dist/vue.js"></script>
        <style>
            html,
            body {
                font: 13px/18px sans-serif;
            }
    
            select {
                min-width: 300px;
            }
        </style>
    </head>
    
    <body>
        <div id="el"></div>
    
        <!-- using string template here to work around HTML <option> placement restriction -->
        <script type="text/x-template" id="demo-template">
      <div>
        <p>Selected: {{ selected }}</p>
        <select2 :options="options" v-model="selected">
          <option disabled value="0">Select one</option>
        </select2>
      </div>
    </script>
    
        <script type="text/x-template" id="select2-template">
      <select>
        <slot></slot>
      </select>
    </script>
        <script>
            Vue.component('select2', {
                props: ['options', 'value'],
                template: '#select2-template',
                mounted: function () {
                    var vm = this
                    $(this.$el)
                        // init select2
                        .select2({ data: this.options })
                        .val(this.value)
                        .trigger('change')
                        // emit event on change.
                        .on('change', function () {
                            vm.$emit('input', this.value)
                        })
                },
                watch: {
                    value: function (value) {
                        // update value
                        $(this.$el)
                            .val(value)
                            .trigger('change')
                    },
                    options: function (options) {
                        // update options
                        $(this.$el).empty().select2({ data: options })
                    }
                },
                destroyed: function () {
                    $(this.$el).off().select2('destroy')
                }
            })
    
            var vm = new Vue({
                el: '#el',
                template: '#demo-template',
                data: {
                    selected: 2,
                    options: [
                        { id: 1, text: 'Hello' },
                        { id: 2, text: 'World' }
                    ]
                }
            })
        </script>
    </body>
    
    </html>
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  • 原文地址:https://www.cnblogs.com/DZzzz/p/11462810.html
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