复制代码 代码如下:

// ----------------------------------------------------------------------
// <summary>
// 限制只能输入数字
// demo: $(\".onlyNum\").onlyNum(); 限制使用了onlyNum类样式的控件只能输入数字
// </summary>
// ----------------------------------------------------------------------
$.fn.onlyNum = function () {
    $(this).keypress(function (event) {
        var eventObj = event || e;
        var keyCode = eventObj.keyCode || eventObj.which;
        if ((keyCode >= 48 && keyCode <= 57))
            return true;
        else
            return false;
    }).focus(function () {
        //禁用输入法
        this.style.imeMode = \'disabled\';
    }).bind(\"paste\", function () {
        //获取剪切板的内容
        var clipboard = window.clipboardData.getData(\"Text\");
        if (/^\\d+$/.test(clipboard))
            return true;
        else
            return false;
    });
};

复制代码 代码如下:

// ----------------------------------------------------------------------
// <summary>
// 限制只能输入字母
// demo:  $(\".onlyAlpha\").onlyAlpha(); 限制使用了onlyNumAlpha类样式的控件只能输入数字和字母
// </summary>
// ----------------------------------------------------------------------
$.fn.onlyAlpha = function () {
    $(this).keypress(function (event) {
        var eventObj = event || e;
        var keyCode = eventObj.keyCode || eventObj.which;
        if ((keyCode >= 65 && keyCode <= 90) || (keyCode >= 97 && keyCode <= 122))
            return true;
        else
            return false;
    }).focus(function () {
        this.style.imeMode = \'disabled\';
    }).bind(\"paste\", function () {
        var clipboard = window.clipboardData.getData(\"Text\");
        if (/^[a-zA-Z]+$/.test(clipboard))
            return true;
        else
            return false;
    });
};

复制代码 代码如下:

// ----------------------------------------------------------------------
// <summary>
// 限制只能输入数字和字母
// demo: $(\".onlyNumAlpha\").onlyNumAlpha(); 限制使用了onlyNumAlpha类样式的控件只能输入数字和字母
// </summary>
// ----------------------------------------------------------------------
$.fn.onlyNumAlpha = function () {
    $(this).keypress(function (event) {
        var eventObj = event || e;
        var keyCode = eventObj.keyCode || eventObj.which;
        if ((keyCode >= 48 && keyCode <= 57) || (keyCode >= 65 && keyCode <= 90) || (keyCode >= 97 && keyCode <= 122))
            return true;
        else
            return false;
    }).focus(function () {
        this.style.imeMode = \'disabled\';
    }).bind(\"paste\", function () {
        var clipboard = window.clipboardData.getData(\"Text\");
        if (/^(\\d|[a-zA-Z])+$/.test(clipboard))
            return true;
        else
            return false;
    });
};