js实现滑动解锁功能（PC+Moblie）

http://dummyimage.com/600x400/

http://placehold.it/140x70

实现效果：

css样式代码略。

html代码：

页面上导入了jquery.mobile 、jquery

<script src="http://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
    <script src="http://apps.bdimg.com/libs/jquerymobile/1.4.2/jquery.mobile.min.js"></script>

<div id="pageSlide">
                        <input type="hidden" value="" id="captcha"/>

                        <div id="slider" class="slider">
                            <span id="label" class="label"></span>
                            <span id="lableTip">Slide to confirm I am human!</span>
                        </div>
                    </div>

 js代码：

/**
 * Created by Administrator on 15-1-9.
 */
//滑动条对象
function Slider(swipestart, min, max, index, IsOk, lableIndex) {
    var _self = this;
    //是否开始滑动
    _self.swipestart = swipestart;
    //最小值
    _self.min = min;
    //最大值
    _self.max = max;
    //当前滑动条所处的位置
    _self.index = index;
    //是否滑动成功
    _self.IsOk = IsOk;
    //鼠标在滑动按钮的位置
    _self.lableIndex = lableIndex;
}

//初始化
Slider.prototype.Init = function () {
    document.getElementById("btnSubmit").disabled = true;
    var _self = this;
    $("#label").on("mousedown", function (event) {
        var e = event || window.event;
        _self.lableIndex = e.clientX - this.offsetLeft;
        _self.HanderIn();
    });

    $("#pageSlide").on("mousemove", function (event) {
        _self.HanderMove(event);
    });

    $(document).on("mouseup", function (event) {
        _self.HanderOut();
    });


    $("#label").on("touchstart", function (event) {
        try {
            var e = event || window.event;
            //event.originalEvent.changedTouches[0].clientX //event.originalEvent.pageX
            _self.lableIndex = event.originalEvent.changedTouches[0].clientX - this.offsetLeft;
            _self.HanderIn();
        } catch (e) {
            console.log(navigator.appVersion + "不支持TouchEvent事件！" + e.message);
        }
    });

    $("#pageSlide").on("touchmove", function (event) {
        try {
            _self.HanderMove(event, "mobile");
        } catch (e) {
            console.log(navigator.appVersion + "不支持touchmove事件！" + e.message);
        }

    });

    $(document).on("touchend", function (event) {
        try {
            _self.HanderOut();
        } catch (e) {
            console.log(navigator.appVersion + "不支持touchend事件！" + e.message);
        }

    });
}

//鼠标/手指接触滑动按钮
Slider.prototype.HanderIn = function () {
    var _self = this;
    _self.swipestart = true;
    _self.min = 0;
    _self.max = $("#slider").width();
    if(_self.lableIndex<0){_self.lableIndex=0;}
}

//鼠标/手指移出
Slider.prototype.HanderOut = function () {
    var _self = this;
    //停止
    _self.swipestart = false;
    _self.Move();
}

//鼠标/手指移动
Slider.prototype.HanderMove = function (event, type) {
    var _self = this;
    if (_self.swipestart) {
        event.preventDefault();
        var event = event || window.event;
        if (type == "mobile") {
            //event.originalEvent.changedTouches[0].clientX //event.originalEvent.pageX
            _self.index = event.originalEvent.changedTouches[0].clientX - _self.lableIndex;
        } else {
            _self.index = event.clientX - _self.lableIndex;
        }
        _self.Move();
    }
}

//鼠标/手指移出
Slider.prototype.Move = function () {
    var _self = this;
    //$(".warn").text("index:" + _self.index + "， max" + _self.max + ",lableIndex:" + _self.lableIndex + ",value:" + $("#captcha").val() + " date:" + new Date().getUTCDate());
    //$(".warn").text("max:"+ _self.max +",index:"+_self.index +",lableIndex:"+_self.lableIndex);
    if ((_self.index + 20) >= _self.max) {
        _self.index = _self.max - 20;
    }

    if (_self.index < 0) {
        _self.index = _self.min;
    }
    $(".label").css("left", _self.index + "px");
    if (_self.index == (_self.max - 20)) {
        //停止
        _self.swipestart = false;
        _self.IsOk = true;//解锁
        $("#captcha").val(1);

        var style = {"filter": "alpha(opacity=1)",
            "-moz-opacity": "1", "opacity": "1"}
        $(".ui-btn.ui-input-btn.ui-corner-all.ui-shadow").css(style);

        $("#slider").css("background-color", "#E5EE9F");
        $("#lableTip").text("Thank You!");
        document.getElementById("btnSubmit").disabled = false;
        document.getElementById("btnSubmit").parentNode.classList.remove("ui-state-disabled");
    } else {
        _self.IsOk = false;//未解锁
        $("#captcha").val(0);
        var style = { "filter": "alpha(opacity=0.2)",
            "-moz-opacity": "0.2", "opacity": "0.2"}
        $(".ui-btn.ui-input-btn.ui-corner-all.ui-shadow").css(style);
        $("#slider").css("background-color", "#FDEB9C");
        $("#lableTip").text("Slide to confirm I am human!");
        document.getElementById("btnSubmit").disabled = true;

        document.getElementById("btnSubmit").parentNode.classList.add("ui-state-disabled");

    }
}

效果实现：