jQuery获得各种控件Value的方法

HTML代码

    <asp:RadioButtonList ID="RadioButtonList1" runat="server">
        <asp:ListItem>1</asp:ListItem>
        <asp:ListItem>2</asp:ListItem>
        <asp:ListItem>3</asp:ListItem>
        <asp:ListItem>4</asp:ListItem>
    </asp:RadioButtonList>
    <div style="text-align: left">
        <a id="btnGetRadioButtonListValue" href="javascript:">通过Type获得RadioButtonList的Value</a>
    </div>
    <br />
    <div style="text-align: left">
        <input type="radio" name="radioSelect" value="A" />A<br />
        <input type="radio" name="radioSelect" value="B" />B<br />
        <input type="radio" name="radioSelect" value="C" />C<br />
        <input type="radio" name="radioSelect" value="D" />D<br />
    </div>
    <div style="text-align: left">
        <a id="btnGetRadioValue" href="javascript:">通过Name获得Radio的Value</a>
    </div>
    <br />
    <br />
    <div style="text-align: left">
        <input type="checkbox" name="chkSelect" value="A" />A<br />
        <input type="checkbox" name="chkSelect" value="B" />B<br />
        <input type="checkbox" name="chkSelect" value="C" />C<br />
        <input type="checkbox" name="chkSelect" value="D" />D<br />
    </div>
    <div style="text-align: left">
        <a id="btnGetCheckBoxValue" href="javascript:">通过Name获得CheckBox的Value</a> <a id="btnSelectAllOn" href="javascript:">全选</a> <a id="btnSelectAllOff" href="javascript:">反选</a>
    </div>
    <br />
    <br />
    <div style="text-align: left">
        <select id="multiple1" multiple="multiple" style="width: 300px; height: 300px;">
            <option value="A1">A1</option>
            <option value="A2">A2</option>
            <option value="A3">A3</option>
            <option value="A4">A4</option>
        </select>
    </div>
    <div style="text-align: left">
        <a id="btnGetMultipleValue" href="javascript:">获得Multiple的Value</a> <a id="btnAddMultipleOption" href="javascript:">添加</a> <a id="btnRemoveMultipleOption" href="javascript:">移除</a>
    </div>
    <br />
    <br />
    <div style="text-align: left">
        <select id="select1">
            <option value="B1">B1</option>
            <option value="B2">B2</option>
            <option value="B3">B3</option>
            <option value="B4">B4</option>
        </select>
    </div>
    <div style="text-align: left">
        <a id="btnGetSelectValue" href="javascript:">获得Select的Value</a> <a id="btnAddSelectOption" href="javascript:">添加</a> <a id="btnRemoveSelectOption" href="javascript:">移除</a>
    </div>

 

 

jQuery代码

 

    <script type="text/javascript">
        $(document).ready(function () {
            //获得RadioButtonList的Value
            $("#btnGetRadioButtonListValue").click(function () {
                if ($("input[type=radio]:checked").val() == null) {
                    alert("请选择");
                    return false;
                }
                alert($("input[type=radio]:checked").val());
            });
            //获得Html的Radio的Value
            $("#btnGetRadioValue").click(function () {
                if ($("input[name='radioSelect']:checked").val() == null) {
                    alert("请选择");
                    return false;
                }
                alert($("input[name='radioSelect']:checked").val());
            });
            //获得CheckBox的Value
            $("#btnGetCheckBoxValue").click(function () {
                var values = "";
                $("input[name='chkSelect']").each(function () {
                    if ($(this).attr("checked")) {
                        values += $(this).val() + ",";
                    }
                });
                if (values == "") {
                    alert("请选择");
                    return false;
                }
                values = values.substring(0, values.length - 1);     //去掉尾部,
                alert(values);
            });
            //全选
            $("#btnSelectAllOn").click(function () {
                $("input[name='chkSelect']").each(function () {
                    $(this).attr("checked", true);
                });
            });
            //返选
            $("#btnSelectAllOff").click(function () {
                $("input[name='chkSelect']").each(function () {
                    $(this).attr("checked", false);
                });
            });

            //获得Multiple的值
            $("#btnGetMultipleValue").click(function () {
                var values = "";
                $("#multiple1 option:selected").each(function () {
                    values += $(this).val() + ",";
                })
                values = values.substring(0, values.length - 1);     //去掉尾部,
                alert(values);
            });

            //添加Multiple的Option
            $("#btnAddMultipleOption").click(function () {
                $("#multiple1").append("<option value='AX'>AX</option>");
            });

            //移除Multiple所选Option
            $("#btnRemoveMultipleOption").click(function () {
                $("#multiple1 option").remove("option:selected");
            });

            //获得Select的值
            $("#btnGetSelectValue").click(function () {
                alert($("#select1 option:selected").val());
            });

            //添加Select的Option
            $("#btnAddSelectOption").click(function () {
                $("#select1").append("<option value='BX'>BX</option>");
            });

            //移除Select所选Option
            $("#btnRemoveSelectOption").click(function () {
                $("#select1 option").remove("option:selected");
            });
        });
    </script>