// ----------------------------------------------------------------------

// <summary>

// 限制只能輸入數(shù)字

// demo: $(".onlyNum").onlyNum(); 限制使用了onlyNum類樣式的控件只能輸入數(shù)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 () {

        //禁用輸入法

        this.style.imeMode = 'disabled';

    }).bind("paste", function () {

        //獲取剪切板的內(nèi)容

        var clipboard = window.clipboardData.getData("Text");

        if (/^\d+$/.test(clipboard))

            return true;

        else

            return false;

    });

};

限制只能輸入字母

復(fù)制代碼代碼如下:

// ----------------------------------------------------------------------

// <summary>

// 限制只能輸入字母

// demo:  $(".onlyAlpha").onlyAlpha(); 限制使用了onlyNumAlpha類樣式的控件只能輸入數(shù)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;

    });

};

限制只能輸入數(shù)字和字母

復(fù)制代碼代碼如下:

// ----------------------------------------------------------------------

// <summary>

// 限制只能輸入數(shù)字和字母

// demo: $(".onlyNumAlpha").onlyNumAlpha(); 限制使用了onlyNumAlpha類樣式的控件只能輸入數(shù)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;

    });

};