Vue可左右滑动按钮组组件怎么用

这篇文章将为大家详细讲解有关Vue可左右滑动按钮组组件怎么用，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。

具体内容如下

左右两箭头控制按钮组左右移动，双击到最左或最右边，功能比较简单。如下所示

<template>
    <div class="demoButtons">
        <div class="buttonF">
            <el-row >
                <el-col class="lableI"><i class="el-icon-arrow-left " @click="moveButtons('left')" @dblclick="moveSide('left')" /></el-col>
                <el-col ref="buttonBody" class="buttonBody">
                    <el-row id="buttonRow" ref="buttonRow">
                        <el-tag : v-for="(item, index) in buttonData" :key="index" :type="index == clickIndex ? '' : 'info'" @click="resetData(index, item)">
                            <el-tooltip v-if="item.name && item.name.length >  parseInt(buttonWidth/12) - 1" placement="top" :content="item.name" effect="light">
                                <span>{{  resetName(item.name) }}</span>
                            </el-tooltip>
                            <span v-else>{{ item.name }}</span>
                        </el-tag>
                    </el-row>
                </el-col>
                <el-col class="lableI"><i class="el-icon-arrow-right " @click="moveButtons('right')" @dblclick="moveSide('right')" /></el-col>
            </el-row>
        </div>
    </div>
</template>
<script>
import $ from 'jquery'
export default {
    props: {
        buttonData: {
            type: Array,
            default: () => {
                return []
            }
        },
        buttonWidth: {
            type: Number,
            default: 62
        }
    },
    data () {
        return {
            clickIndex: 0,
            currentSite: 0,
            showCount: 0,
            clickTimer: null,
        }
    },
    watch: {},
    created () {
        // this.setButtons()
    },
    mounted () {
        this.$nextTick(() => {
            this.showCount = parseInt(this.$refs.buttonBody.$el.clientWidth / this.buttonWidth) // 一行能展示几个按钮
        })
    },

    methods: {
        //设置名字
        resetName (val) {
            let i = parseInt(this.buttonWidth / 12) - 1;
            if (val && val.length > i) {
                return val.slice(0, i)
            } else {
                return val
            }
        },
        // 单击移一格
        moveButtons (val) {
            if (this.clickTimer) {
                window.clearTimeout(this.clickTimer)
                this.clickTimer = null
            }
            this.clickTimer = window.setTimeout(() => {
                this.$nextTick(() => {
                    if (val == 'left') {
                        if (this.currentSite < 0) {
                            this.currentSite = this.currentSite + this.buttonWidth
                        }
                    } else {
                        const totalCount = this.buttonData.length // 总共几个按钮
                        const showIndex = -parseInt(this.currentSite / this.buttonWidth) // 向左移了几个按钮
                        console.log(totalCount, 'totalLength', this.showCount, showIndex)
                        if (showIndex + this.showCount < totalCount) {
                            this.currentSite = this.currentSite - this.buttonWidth
                        }
                    }
                    $('#buttonRow').animate({ marginLeft: this.currentSite + 'px' })
                })
            }, 300)
        },
        // 双击到边
        moveSide (val) {
            if (this.clickTimer) {
                window.clearTimeout(this.clickTimer)
                this.clickTimer = null
            }
            this.$nextTick(() => {
                if (val == 'left') {
                    this.currentSite = 0
                } else {
                    const totalCount = this.buttonData.length // 总共几个按钮
                    if (totalCount > this.showCount) {
                        this.currentSite = -((totalCount - this.showCount) * this.buttonWidth)
                    }
                }
                $('#buttonRow').animate({ marginLeft: this.currentSite + 'px' })
            })
        },

        setButtons (data) {
            this.buttonData = data
        },
        resetData (index, data) {
            this.clickIndex = index
            this.$emit('resetData', data)
        }
    }
}
</script>
<style lang="scss" scoped>
.demoButtons {
    width: 100%;
    height: 100%;
}
.buttonF {
    width: 100%;
    margin: 0 auto;
    height: 30px;
    line-height: 30px;
}
.lableI {
    height: 30px;
    line-height: 30px;
    width: 20px;
    cursor: pointer;
}
.buttonBody {
    overflow: hidden;
    height: 30px;
    line-height: 30px;
    width: calc(100% - 40px);
    white-space: nowrap;
}

.el-tag {
    text-align: center;
    padding: 0px 8px !important;
    height: 28px;
    line-height: 28px;
    cursor: pointer;
    border-radius: 0px !important;
    overflow: hidden;
    font-size: 12px;
}
</style>

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