限制文本控件输入数据格式

 1  // = 比如只能输入数字、字母、数字和字母
 2 
 3 <script type="text/javascript">
 4     UM.getEditor('myEditor1')
 5 
 6     $(function () {
 7 
 8         // ----------------------------------------------------------------------
 9         // <summary>
10         // 限制只能输入字母
11         // </summary>
12         // ----------------------------------------------------------------------
13         $.fn.onlyAlpha = function () {
14             $(this).keypress(function (event) {
15                 var eventObj = event || e;
16                 var keyCode = eventObj.keyCode || eventObj.which;
17                 if ((keyCode >= 65 && keyCode <= 90) || (keyCode >= 97 && keyCode <= 122))
18                     return true;
19                 else
20                     return false;
21             }).focus(function () {
22                 this.style.imeMode = 'disabled';
23             }).bind("paste", function () {
24                 var clipboard = window.clipboardData.getData("Text");
25                 if (/^[a-zA-Z]+$/.test(clipboard))
26                     return true;
27                 else
28                     return false;
29             });
30         };
31 
32         // ----------------------------------------------------------------------
33         // <summary>
34         // 限制只能输入数字
35         // </summary>
36         // ----------------------------------------------------------------------
37         $.fn.onlyNum = function () {
38             $(this).keypress(function (event) {
39                 var eventObj = event || e;
40                 var keyCode = eventObj.keyCode || eventObj.which;
41                 if ((keyCode >= 48 && keyCode <= 57))
42                     return true;
43                 else
44                     return false;
45             }).focus(function () {
46                 //禁用输入法
47                 this.style.imeMode = 'disabled';
48             }).bind("paste", function () {
49                 //获取剪切板的内容
50                 var clipboard = window.clipboardData.getData("Text");
51                 if (/^d+$/.test(clipboard))
52                     return true;
53                 else
54                     return false;
55             });
56         };
57 
58         // ----------------------------------------------------------------------
59         // <summary>
60         // 限制只能输入数字和字母
61         // </summary>
62         // ----------------------------------------------------------------------
63         $.fn.onlyNumAlpha = function () {
64             $(this).keypress(function (event) {
65                 var eventObj = event || e;
66                 var keyCode = eventObj.keyCode || eventObj.which;
67                 if ((keyCode >= 48 && keyCode <= 57) || (keyCode >= 65 && keyCode <= 90) || (keyCode >= 97 && keyCode <= 122))
68                     return true;
69                 else
70                     return false;
71             }).focus(function () {
72                 this.style.imeMode = 'disabled';
73             }).bind("paste", function () {
74                 var clipboard = window.clipboardData.getData("Text");
75                 if (/^(d|[a-zA-Z])+$/.test(clipboard))
76                     return true;
77                 else
78                     return false;
79             });
80         };
81 
82         // 限制使用了onlyNum类样式的控件只能输入数字
83         $(".onlyNum").onlyNum();
84         //限制使用了onlyAlpha类样式的控件只能输入字母
85         $(".onlyAlpha").onlyAlpha();
86         // 限制使用了onlyNumAlpha类样式的控件只能输入数字和字母
87         $(".onlyNumAlpha").onlyNumAlpha();
88     });
89 </script>