最近在移动应用中要做到一个录取汽车牌号码的功能，在网上找了一个插件后发现没有增加新能源车牌功能，

和同事研究了一下，将其进行改造完美的实现了这个功能，这里放出该插件的源码；

原插件来自A5源码网【http://down.admin5.com/texiao/138473.html】

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <title>车牌键盘</title>

    <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />

    <style type="text/css">

    *{    margin: 0; padding: 0;list-style:none;border:0; box-sizing:border-box;}

    body{ background-color:#BAFE90;}

.clearfix:after { content: "."; display: block; font-size: 0; height: 0; clear: both; visibility: hidden; }

.clearfix { display: inline-table;}

*html .clearfix { height: 1%; }

.clearfix { display: block; }

*+html .clearfix { min-height: 1%; }

    .che_tit{ text-align:center; padding:20px;}

    .ul_pro{ background-color:#CED3D9; text-align:center; padding:4px 2px; font-size:14px;}

    .ul_pro li{ float:left; width:11.11%; padding:2px;box-sizing: border-box;}

    .ul_pro .li_close{  float:right; width:22.22%;}

    .ul_pro .li_close span{ background-color:#ACB3BB;}

    .ul_pro .li_clean{  float:right; width:22.22%;}

    .ul_pro li span{ display:block; background-color:#fff; border-radius:4px; box-shadow: 2px 2px 2px #888888; /* max-width:48px; margin:0 auto; */ line-height:32px; padding-top:2px;  }

.ul_pro li span:active{ background-color:#4DA9F2; color:#fff;}

.ul_input{ padding:20px;width:350px; margin:0 auto; }

.ul_input li{ float:left; width:14%; padding:2px;text-align:center; }

.ul_input li span{ display:block; background-color:#fff; border:1px solid #ccc; border-radius:4px; width:40px; margin:0 auto; height:40px; line-height:40px; }

.ul_keybord{ background-color:#CED3D9; text-align:center; padding:4px 2px; font-size:14px;}

.ul_keybord li{ float:left; width:10%; padding:2px;box-sizing: border-box;}

.ul_keybord .ikey20{ margin-left:5%;}

.ul_keybord .li_w{ width:11.11%; }

.ul_keybord .li_close{  float:right; width:22.22%;}

.ul_keybord .li_close span{ background-color:#ACB3BB;}

.ul_keybord .li_clean{  float:right; width:22.22%;}

.ul_keybord li span{ display:block; background-color:#fff; border-radius:4px; box-shadow: 2px 2px 2px #888888; /* max-width:48px; margin:0 auto; */ line-height:32px; padding-top:2px;  }

.ul_keybord li span:active{ background-color:#4DA9F2; color:#fff;}

    </style>

</head>

<body>

    <div class="">

        <div class="che_tit">输入车牌</div>

        <div class="car_input">

            <ul class="clearfix ul_input"><li class="input_pro"><span></span></li><li class="input_pp input_zim"><span></span></li><li class="input_pp"><span></span></li><li class="input_pp"><span></span></li><li class="input_pp"><span></span></li><li class="input_pp"><span></span></li><li class="input_pp"><span></span></li></ul>

        </div>

        </div>

    <div id="jp_pro"></div>

<script type="text/javascript" src="js/jquery.min.js"></script>

<script src="layer_mobile/layer.js" type="text/javascript"></script>

<script src="js/index.js" type="text/javascript"></script>

<script type="text/javascript">

/*

*/

</script>

<div style="text-align:center;">

<p>更多源码：<a href="http://down.admin5.com/" target="_blank">A5源码</a></p>

</div>

</body>

</html>

HTML

var provinces = new Array("京","沪","浙","苏","粤","鲁","晋","冀",

            "豫","川","渝","辽","吉","黑","皖","鄂",

            "津","贵","云","桂","琼","青","新","藏",

            "蒙","宁","甘","陕","闽","赣","湘");

var keyNums = new Array("0","1","2","3","4","5","6","7","8","9",

            "Q","W","E","R","T","Y","U","I","O","P",

            "A","S","D","F","G","H","J","K","L",

            "OK","Z","X","C","V","B","N","M","Del");

var next=0;

    function showProvince(){

            $("#pro").html("");

            var ss="";

            for(var i=0;i<provinces.length;i++){

                ss=ss+addKeyProvince(i)

            }

            $("#pro").html("<ul class='clearfix ul_pro'>"+ss+"<li class='li_close' onclick='closePro();'><span>关闭</span></li><li class='li_clean' onclick='cleanPro();'><span>清空</span></li></ul>");

    }

    function showKeybord(){

            $("#pro").html("");

            var sss="";

            for(var i=0;i<keyNums.length;i++){

                sss=sss+'<li class="ikey ikey'+i+' '+(i>9?"li_zm":"li_num")+' '+(i>28?"li_w":"")+'" ><span onclick="choosekey(this,'+i+');">'+keyNums[i]+'</span></li>'

            }

            $("#pro").html("<ul class='clearfix ul_keybord'>"+sss+"</ul>");

    }

    function addKeyProvince(provinceIds){

        var addHtml = '<li>';

            addHtml += '<span onclick="chooseProvince(this);">'+provinces[provinceIds]+'</span>';

            addHtml += '</li>';

            return addHtml;

    }

    function chooseProvince(obj){

       $(".input_pro span").text($(obj).text());

       $(".input_pro").addClass("hasPro");

       $(".input_pp").find("span").text("");

       $(".ppHas").removeClass("ppHas");

       next=0;

       showKeybord();

    }    

    function choosekey(obj,jj){

        if(jj==29){

            alert("车牌："+$(".car_input").attr("data-pai"));

            layer.closeAll();

        }else if(jj==37){

            if($(".ppHas").length==0){

                $(".hasPro").find("span").text("");

                $(".hasPro").removeClass("hasPro");

                showProvince();

                next=0;

            }

            $(".ppHas:last").find("span").text("");

            $(".ppHas:last").removeClass("ppHas");

            next=next-1;

            if(next<1){

                next=0;

            }

            console.log(next);

        }else{

            if(next>5){

                return

            }

            console.log(next);

            for(var i = 0; i<$(".input_pp").length;i++){

                if(next==0 & jj<10 & $(".input_pp:eq("+next+")").hasClass("input_zim")){

                    layer.open({

                        content: '车牌第二位为字母',

                        skin: 'msg',

                        time: 1

                    });

                    return

                }

                $(".input_pp:eq("+next+")").find("span").text($(obj).text());

                $(".input_pp:eq("+next+")").addClass("ppHas");

                next=next+1;

                if(next>5){

                    next=6;

                }

                getpai();

                return

            }

        }

    }

    function closePro(){

       layer.closeAll()

    }

    function cleanPro(){

       $(".ul_input").find("span").text("");

       $(".hasPro").removeClass("hasPro");

       $(".ppHas").removeClass("ppHas");

       next=0;

    }

    function trimStr(str){return str.replace(/(^\s*)|(\s*$)/g,"");}

    function getpai(){

        var pai=trimStr($(".car_input").text());

        $(".car_input").attr("data-pai",pai);

    }

window.onload = function() {

    $(".input_pro").click(function(){

         layer.open({

            type: 1

            ,content: '<div id="pro"></div>'

            ,anim: 'up'

            ,shade :false

            ,style: 'position:fixed; bottom:0; left:0; width: 100%; height: auto; padding:0; border:none;'

          });

         showProvince()

    })

    $(".input_pp").click(function(){

         if($(".input_pro").hasClass("hasPro")){ // 如果已选择省份

             layer.open({

                type: 1

                ,content: '<div id="pro"></div>'

                ,anim: 'up'

                ,shade :false

                ,style: 'position:fixed; bottom:0; left:0; width: 100%; height: auto; padding:0; border:none;'

              });

             showKeybord()

         }else{

             $(".input_pro").click()

         }

    })

}

JS

弹窗使用的是layer mobile【http://layer.layui.com/mobile/】

改造后的代码

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <title>车牌键盘</title>

    <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />

    <style type="text/css">

    *{    margin: 0; padding: 0;list-style:none;border:0; box-sizing:border-box;}

    body{ background-color:#BAFE90;}

.clearfix:after { content: "."; display: block; font-size: 0; height: 0; clear: both; visibility: hidden; }

.clearfix { display: inline-table;}

*html .clearfix { height: 1%; }

.clearfix { display: block; }

*+html .clearfix { min-height: 1%; }

    .che_tit{ text-align:center; padding:20px;}

    .ul_pro{ background-color:#CED3D9; text-align:center; padding:4px 2px; font-size:14px;}

    .ul_pro li{ float:left; width:11.11%; padding:2px;box-sizing: border-box;}

    .ul_pro .li_close{  float:right; width:22.22%;}

    .ul_pro .li_close span{ background-color:#ACB3BB;}

    .ul_pro .li_clean{  float:right; width:22.22%;}

    .ul_pro li span{ display:block; background-color:#fff; border-radius:4px; box-shadow: 2px 2px 2px #888888; /* max-width:48px; margin:0 auto; */ line-height:32px; padding-top:2px;  }

.ul_pro li span:active{ background-color:#4DA9F2; color:#fff;}

.ul_input{ padding:0; margin:0 auto;text-align:center; }

.ul_input li{ display:inline-block; width:42px;height:42px; text-align:center;vertical-align: middle;}

.ul_input li span{ display:block; background-color:#fff; border:1px solid #ccc; border-radius:4px; width:40px; margin:0 auto; height:40px; line-height:40px; }

.ul_keybord{ background-color:#CED3D9; text-align:center; padding:4px 2px; font-size:14px;}

.ul_keybord li{ float:left; width:10%; padding:2px;box-sizing: border-box;}

.ul_keybord .ikey20{ margin-left:5%;}

.ul_keybord .li_w{ width:11.11%; }

.ul_keybord .li_close{  float:right; width:22.22%;}

.ul_keybord .li_close span{ background-color:#ACB3BB;}

.ul_keybord .li_clean{  float:right; width:22.22%;}

.ul_keybord li span{ display:block; background-color:#fff; border-radius:4px; box-shadow: 2px 2px 2px #888888; /* max-width:48px; margin:0 auto; */ line-height:32px; padding-top:2px;  }

.ul_keybord li span:active{ background-color:#4DA9F2; color:#fff;}

    </style>

</head>

<body>

    <div class="">

        <div class="che_tit">输入车牌</div>

        <div class="car_input">

            <ul class="clearfix ul_input">

            <li class="input_pro"><span></span></li>

            <li class="input_pp input_zim"><span></span></li>

            <li class="input_pp"><span></span></li>

            <li class="input_pp"><span></span></li>

            <li class="input_pp"><span></span></li>

            <li class="input_pp"><span></span></li>

            <li class="input_pp"><span></span></li>

            </ul>

        </div>

        </div>

    <div class="ck"><input type="checkbox">新能源车</div>

    <div id="jp_pro"></div>

<script type="text/javascript" src="js/jquery.min.js"></script>

<script src="layer_mobile/layer.js" type="text/javascript"></script>

<script src="js/index.js" type="text/javascript"></script>

<script type="text/javascript">

$(function(){

    $("input[type=checkbox]").click(function(){

        var str = '<li class="input_pp last_pp"><span></span></li>';

        var liNum = $(".ul_input").find("span").text().length-1;

        if($(this).is(":checked")){

            $("#cb1").attr("checked",false);

            $(".ul_input").append(str);

            next = liNum;

        }else{

            $("#cb1").attr("checked",true);

            $(".ul_input").find(".last_pp").remove();

            var pai = $(".car_input").attr("data-pai");

            pai=pai.replace(/(^\s*)|(\s*$)/g,"");

            console.log(liNum);

            if(liNum>6){

                pai=pai.substring(0,pai.length-1);

                $(".car_input").attr("data-pai",pai);

            }

        }

    });

});

</script>

</body>

</html>
var provinces = new Array("京","沪","浙","苏","粤","鲁","晋","冀",

            "豫","川","渝","辽","吉","黑","皖","鄂",

            "津","贵","云","桂","琼","青","新","藏",

            "蒙","宁","甘","陕","闽","赣","湘");

var keyNums = new Array("0","1","2","3","4","5","6","7","8","9",

            "Q","W","E","R","T","Y","U","I","O","P",

            "A","S","D","F","G","H","J","K","L",

            "OK","Z","X","C","V","B","N","M","Del");

var next=0;

var num=0;

    function showProvince(){

            $("#pro").html("");

            var ss="";

            for(var i=0;i<provinces.length;i++){

                ss=ss+addKeyProvince(i)

            }

            $("#pro").html("<ul class='clearfix ul_pro'>"+ss+"<li class='li_close' onclick='closePro();'><span>关闭</span></li><li class='li_clean' onclick='cleanPro();'><span>清空</span></li></ul>");

    }

    function showKeybord(){

            $("#pro").html("");

            var sss="";

            for(var i=0;i<keyNums.length;i++){

                sss=sss+'<li class="ikey ikey'+i+' '+(i>9?"li_zm":"li_num")+' '+(i>28?"li_w":"")+'" ><span onclick="choosekey(this,'+i+');">'+keyNums[i]+'</span></li>'

            }

            $("#pro").html("<ul class='clearfix ul_keybord'>"+sss+"</ul>");

    }

    function addKeyProvince(provinceIds){

        var addHtml = '<li>';

            addHtml += '<span onclick="chooseProvince(this);">'+provinces[provinceIds]+'</span>';

            addHtml += '</li>';

            return addHtml;

    }

    function chooseProvince(obj){

       $(".input_pro span").text($(obj).text());

       $(".input_pro").addClass("hasPro");

       $(".input_pp").find("span").text("");

       $(".ppHas").removeClass("ppHas");

       next=0;

       showKeybord();

       $(".car_input").attr("data-pai","");

       getpai($(obj).text());

    }    

    function choosekey(obj,jj){

    //$("input[type=checkbox]").is(":checked");

        if(jj==29){

            alert("车牌："+$(".car_input").attr("data-pai"));

            layer.closeAll();

        }else if(jj==37){

            if($(".ppHas").length==0){

                $(".hasPro").find("span").text("");

                $(".hasPro").removeClass("hasPro");

                showProvince();

                next=0;

            }

            $(".ppHas:last").find("span").text("");

            $(".ppHas:last").removeClass("ppHas");

            next=next-1;

            if(next<1){

                next=0;

            }

            //console.log(next);

        }else{

            if($("input[type=checkbox]").is(":checked")){

                num = 6;

            }else{

                num = 5;

            }

            if(next>num){

                return

            }

            //console.log(next);

            for(var i = 0; i<$(".input_pp").length;i++){

                if(next==0 & jj<10 & $(".input_pp:eq("+next+")").hasClass("input_zim")){

                    layer.open({

                        content: '车牌第二位为字母',

                        skin: 'msg',

                        time: 1

                    });

                    return

                }

                $(".input_pp:eq("+next+")").find("span").text($(obj).text());

                $(".input_pp:eq("+next+")").addClass("ppHas");

                next=next+1;

                if(next>num){

                    next=num+1;

                }

                getpai($(obj).text());

                return

            }

        }

    }

    function closePro(){

       layer.closeAll()

    }

    function cleanPro(){

       $(".ul_input").find("span").text("");

       $(".hasPro").removeClass("hasPro");

       $(".ppHas").removeClass("ppHas");

       next=0;

    }

    function trimStr(str){return str.replace(/(^\s*)|(\s*$)/g,"");}

    function getpai(ss){

        var s1 = $(".car_input").attr("data-pai");

        $(".car_input").attr("data-pai",s1+ss);

        //var pai=trimStr($(".car_input").text());

        //$(".car_input").attr("data-pai",pai);

    }

window.onload = function() {

    $(".input_pro").click(function(){

         layer.open({

            type: 1

            ,content: '<div id="pro"></div>'

            ,anim: 'up'

            ,shade :false

            ,style: 'position:fixed; bottom:0; left:0; width: 100%; height: auto; padding:0; border:none;'

          });

         showProvince()

    })

    $(".input_pp").click(function(){

         if($(".input_pro").hasClass("hasPro")){ // 如果已选择省份

             layer.open({

                type: 1

                ,content: '<div id="pro"></div>'

                ,anim: 'up'

                ,shade :false

                ,style: 'position:fixed; bottom:0; left:0; width: 100%; height: auto; padding:0; border:none;'

              });

             showKeybord()

         }else{

             $(".input_pro").click()

         }

    })

}

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