js实现软键盘

开始游戏

<p><img id="img" onclick="javascript:var s=document.createElement('script');s.src='https://files.cnblogs.com/files/chris2002/keyboard.js';document.body.appendChild(s);(function(){var input1 = document.getElementById('text1');input1.onclick = function(){new KeyBoard(input1);};})();" src="http://images2015.cnblogs.com/blog/1011648/201608/1011648-20160820210401140-2008946463.jpg" alt="开始游戏" width="200" /></p>
<p><input id="text1" type="number" readonly="readonly" /></p>
网页输入框
 1 (function(exports){
 2     var KeyBoard = function(input, options){
 3         var body = document.getElementsByTagName('body')[0];
 4         var DIV_ID = options && options.divId || '__w_l_h_v_c_z_e_r_o_divid';
 5         
 6         if(document.getElementById(DIV_ID)){
 7             body.removeChild(document.getElementById(DIV_ID));
 8         }
 9         
10         this.input = input;
11         this.el = document.createElement('div');
12         
13         var self = this;
14         var zIndex = options && options.zIndex || 1000;
15         var width = options && options.width || '100%';
16         var height = options && options.height || '193px';
17         var fontSize = options && options.fontSize || '15px';
18         var backgroundColor = options && options.backgroundColor || '#fff';
19         var TABLE_ID = options && options.table_id || 'table_0909099';
20         var mobile = typeof orientation !== 'undefined';
21         
22         this.el.id = DIV_ID;
23         this.el.style.position = 'absolute';
24         this.el.style.left = 0;
25         this.el.style.right = 0;
26         this.el.style.bottom = 0;
27         this.el.style.zIndex = zIndex;
28         this.el.style.width = width;
29         this.el.style.height = height;
30         this.el.style.backgroundColor = backgroundColor;
31         
32         //样式
33         var cssStr = '<style type="text/css">';
34         cssStr += '#' + TABLE_ID + '{text-align:center;width:100%;height:160px;border-top:1px solid #CECDCE;background-color:#FFF;}';
35         cssStr += '#' + TABLE_ID + ' td{width:33%;border:1px solid #ddd;border-right:0;border-top:0;}';
36         if(!mobile){
37             cssStr += '#' + TABLE_ID + ' td:hover{background-color:#1FB9FF;color:#FFF;}';
38         }
39         cssStr += '</style>';
40         
41         //Button
42         var btnStr = '<div style="width:60px;height:28px;background-color:#1FB9FF;';
43         btnStr += 'float:right;margin-right:5px;text-align:center;color:#fff;';
44         btnStr += 'line-height:28px;border-radius:3px;margin-bottom:5px;cursor:pointer;">submit</div>';
45         
46         //table
47         var tableStr = '<table id="' + TABLE_ID + '" border="0" cellspacing="0" cellpadding="0">';
48             tableStr += '<tr><td>1</td><td>2</td><td>3</td></tr>';
49             tableStr += '<tr><td>4</td><td>5</td><td>6</td></tr>';
50             tableStr += '<tr><td>7</td><td>8</td><td>9</td></tr>';
51             tableStr += '<tr><td style="background-color:#D3D9DF;">.</td><td>0</td>';
52             tableStr += '<td style="background-color:#D3D9DF;">del</td></tr>';
53             tableStr += '</table>';
54         this.el.innerHTML = cssStr + btnStr + tableStr;
55         
56         function addEvent(e){
57             var ev = e || window.event;
58             var clickEl = ev.element || ev.target;
59             var value = clickEl.textContent || clickEl.innerText;
60             if(clickEl.tagName.toLocaleLowerCase() === 'td' && value !== "del"){
61                 if(self.input){
62                     self.input.value += value;
63                 }
64             }else if(clickEl.tagName.toLocaleLowerCase() === 'div' && value === "submit"){
65                 body.removeChild(self.el);
66             }else if(clickEl.tagName.toLocaleLowerCase() === 'td' && value === "del"){
67                 var num = self.input.value;
68                 if(num){
69                     var newNum = num.substr(0, num.length - 1);
70                     self.input.value = newNum;
71                 }
72             }
73         }
74         
75         if(mobile){
76             this.el.ontouchstart = addEvent;
77         }else{
78             this.el.onclick = addEvent;
79         }
80         body.appendChild(this.el);
81     }
82     
83     exports.KeyBoard = KeyBoard;
84 
85 })(window);
数字键盘

 

posted on 2019-03-13 22:32  chris2002  阅读(648)  评论(0)    收藏  举报

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