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html中车牌号省份简称输入键盘的示例代码

发布时间:2020-11-23 08:18:23 所属栏目:评测 来源:网络整理
导读:这篇文章主要介绍了html中车牌号省份简称输入键盘的示例代码,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面

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");
    function provinceSelect(){
        showProvince();
    }
    function parkSelect(){

alert("选择停车场");
    }
    function confirm(){

alert("确定");
    }

function showProvince(){
        var screenWidth=window.screen.width;
        //求出列数,向下取整
        var columns = Math.floor((screenWidth - 9)/42);
        //求出行数,向上取整
        var rows = Math.ceil(31/columns);
        //算出按键背景的高度,为每个按键的高度+间隔+上下边距,48为每个按键的高度+距下一个按键的距离
        var key_bg_height= rows*48+16;
        var x_space = (screenWidth - 9 - 42*columns)/(columns);
        var start_x = 9+x_space;
        var start_y = 12;
        var keyboard_province = document.getElementById("id_keyboard_province");
        keyboard_province.style.position="fixed";
        keyboard_province.style.top= (window.screen.height-key_bg_height)+"px";
        keyboard_province.style.left=0;
        keyboard_province.style.backgroundColor="#f2f2f2";
        keyboard_province.style.width="100%";
        keyboard_province.style.height=key_bg_height+"px";
        //keyboard_province.style.display="block";
        keyboard_province.innerHTML = '';

for(var i=0;i<rows;i++){
            for(var j=0;j<columns;j++){
                var provinceIds = i*columns+j;
                if(provinceIds<provinces.length){
                    var x = 9+(j+1)*x_space+j*42;
                    var y = 12+i*48;
                    /* var addHtml = addKeyProvince(x,y,provinceIds);
                    alert(addHtml); */
                    $("#id_keyboard_province").append(addKeyProvince(x,y,provinceIds));
                }
                else{
                    keyboard_province.style.display="block";
                    return;
                }
            }
        }


    }

function addKeyProvince(x,y,provinceIds){

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