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  • vue验证滑块组件推荐

    今天做登录页面时要做一个验证滑块的功能。

    因为不想去写样式引用了组件。在网上找了很久,个人认为可以的一款组件

    <template>
        <div class="drag" ref="dragDiv">
            <div class="drag_bg"></div>
            <div class="drag_text">{{ confirmWords }}</div>
            <div
                ref="moveDiv"
                @mousedown="mouseDownFn($event)"
                :class="{ handler_ok_bg: confirmSuccess }"
                class="handler handler_bg"
                style="position: absolute; top: 0px; left: 0px;"
            ></div>
        </div>
    </template>
    
    <script>
    export default {
        data() {
            return {
                beginClientX: 0 /*距离屏幕左端距离*/,
                mouseMoveState: false /*触发拖动状态  判断*/,
                maxWidth: "" /*拖动最大宽度,依据滑块宽度算出来的*/,
                confirmWords: "请按住滑块,拖动到最右边" /*滑块文字*/,
                confirmSuccess: false /*验证成功判断*/
            };
        },
        methods: {
            //mousedown 事件
            mouseDownFn: function(e) {
                if (!this.confirmSuccess) {
                    e.preventDefault && e.preventDefault(); //阻止文字选中等 浏览器默认事件
                    this.mouseMoveState = true;
                    this.beginClientX = e.clientX;
                }
            },
            //验证成功函数
            successFunction() {
                this.$store.commit("statestatus", true);
                this.confirmSuccess = true;
                this.confirmWords = "验证通过";
                if (window.addEventListener) {
                    document
                        .getElementsByTagName("html")[0]
                        .removeEventListener("mousemove", this.mouseMoveFn);
                    document
                        .getElementsByTagName("html")[0]
                        .removeEventListener("mouseup", this.moseUpFn);
                } else {
                    document
                        .getElementsByTagName("html")[0]
                        .removeEventListener("mouseup", () => {});
                }
                document.getElementsByClassName("drag_text")[0].style.color =
                    "#fff";
                document.getElementsByClassName("handler")[0].style.left =
                    this.maxWidth + "px";
                document.getElementsByClassName("drag_bg")[0].style.width =
                    this.maxWidth + "px";
            },
            //mousemove事件
            mouseMoveFn(e) {
                if (this.mouseMoveState) {
                    let width = e.clientX - this.beginClientX;
                    if (width > 0 && width <= this.maxWidth) {
                        document.getElementsByClassName("handler")[0].style.left =
                            width + "px";
                        document.getElementsByClassName("drag_bg")[0].style.width =
                            width + "px";
                    } else if (width > this.maxWidth) {
                        this.successFunction();
                    }
                }
            },
            //mouseup事件
            moseUpFn(e) {
                this.mouseMoveState = false;
                var width = e.clientX - this.beginClientX;
                if (width < this.maxWidth) {
                    document.getElementsByClassName("handler")[0].style.left =
                        0 + "px";
                    document.getElementsByClassName("drag_bg")[0].style.width =
                        0 + "px";
                }
            }
        },
        mounted() {
            this.maxWidth =
                this.$refs.dragDiv.clientWidth - this.$refs.moveDiv.clientWidth;
            document
                .getElementsByTagName("html")[0]
                .addEventListener("mousemove", this.mouseMoveFn);
            document
                .getElementsByTagName("html")[0]
                .addEventListener("mouseup", this.moseUpFn);
        }
    };
    </script>
    <style scoped>
    .drag {
        position: relative;
        background-color: #ebebeb;
         100%;
        height: 42px;
        line-height: 42px;
        text-align: center;
        border: 0px solid #ccc;
        border-radius: 4px;
    }
    .handler {
         69px;
        height: 42px;
        border: 1px solid #ebebeb;
        border-radius: 4px;
        cursor: move;
    }
    .handler_bg {
        background: #fff
            url("data:image/png;base64,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")
            no-repeat center;
    }
    .handler_ok_bg {
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
        background: #fff url("~@/assets/img/success.png") no-repeat center;
        background-size: 20px 20px;
    }
    .drag_bg {
        background-color: #0094ff;
        height: 42px;
         0px;
        border-radius: 4px 0 0 4px;
    }
    .drag_text {
        position: absolute;
        top: 0px;
         100%;
        text-align: center;
        -moz-user-select: none;
        -webkit-user-select: none;
        user-select: none;
        -o-user-select: none;
        -ms-user-select: none;
    }
    </style>
    

     样式如下:

     

     

     因为要做一个验证通过后马上显示验证码的输入框。要做一个判断。但是发现出发的事件要在组件内才行。

    这里我用了vuex,存储一个状态。然后在组件中获取,并返回vuex中state一个状态。

    this.$store.commit("statestatus", true);

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  • 原文地址:https://www.cnblogs.com/baisong11/p/13719105.html
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