html中车牌号省份简称输入键盘的示例代码

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，需要的朋友们下面随着小编来一起学习学习吧

原理是先写出一个按键的div,然后再根据屏幕的大小去自动适应生成键盘，效果如下图：

具体实现代码如下，就不细说了。

   
   
   
   
        /* *{
            font-family:”黑体”;
        } */
        .content{
            width:265px;
            height:353px;
            position:absolute;
            top:50%;
            left:50%;
            height:50%;
            margin:-177px 0 0 -132px;
        }
        .label_province{
            position:absolute;
            top:6px;
            left:10px;
        }
        .input_province{
            position:absolute;
            text-align:center;
            width:26px;
            left:1px;
            top:6px;
            border:none;
            outline:0; 
            font-family:”黑体”;      
        }
        .input_font{
            font-size:18px;
            color:#333333;
        }
        .input_font_plate{
            font-size:14px;
            color:#333333;
        }
        .input_platenumber_base{
            position:absolute;
            text-align:center;
            width:34px;
            top:13px;
            border:none;
            outline:0;
        }
        .input_city{
            left:44px;
        }

        .label_platenumber{
            font-size:14px;
            color:#999;
            width:265px;
            text-align:center;
            margin-top:29px;
            border:0;
            outline:0;
        }

        .input_park{
            font-size:14px;
            color:#666;
            width:265px;
            text-align:center;
            border:0;
            outline:0;
        }

            .label_btntext_confirm{
            position:absolute;
            top:12px;
            font-size:16px;
            width:214px;
            left:0;
        }
        .label_btn_text{
            text-align:center;
            color:#FFF;
            /* font-weight:bold; */
        }

        .key_province{
            font-size:17px;
            position:absolute;
            left:2.5px;
            top:8px;
            border:0;
            width:28px;
            text-align:center;
            font-family:”黑体”;
        }

       

           

               
               
                   
                   
               
               
               
               
               
               
               
           

           
       

       

           

               
           

           

               

---

           

       

       

           
               
           
            确定
            确定
       

   

    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){

        var addHtml = ‘

‘;
            addHtml += ‘‘;
            addHtml += ”;
            addHtml += ‘

‘;
            return addHtml;
    }

    function chooseProvince(province){
        /* alert(province+”======”+provinces[7]); */
        document.getElementById(“id_province”).value=province;
        $(“#id_keyboard_province”).hide();
    }

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