界面控件输入判断JS

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界面控件输入判断JS

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="javascript" type="text/javascript">
//--------------------------------------------------------------------
//验证类
//功能：在客户端表单项验证
//返回结果： True Or False
//参数说明：
//1--验证对象(格式Fomr.TextBox)
//2--验证对象名称
//3--验证类型(自定义/非空/数字/货币/整型/浮点/身份证/电子邮件/三字代码/日期)
//4--自定义正则表达式(当验证类型为“自定义”时使用此项)
//5--验证结果错误信息(空：返回自定义错误信息非空：返回自身)
//--------------------------------------------------------------------
function CheckFormData(CheckObj,Name,CheckType,CustomReg,ErrMeg)
{
    //属性
    this.CheckObj    = CheckObj;
    this.Name        = Name;
    this.CheckType    = CheckType;
    this.CustomReg    = CustomReg;
    this.Result        = true;
    this.ErrMeg        = ErrMeg;

    this.Reg        = null;
    this.Format        = "";

    //方法
    this.doReg = function(reg,op)
    {
        return reg.test(op);
    }

    this.ChkReg = function()
    {
        if( !this.doReg(this.Reg,CheckObj.value) )
        {
            this.DoReturn(false,"无效的");
        }
    }

    this.ChkEmpty = function()
    {
        if( CheckObj.value == "" )
        {
            this.DoReturn(false,"请输入");
        }
    }

    this.DoReturn = function(re,strErr)
    {
        this.Result = re;
        if( this.ErrMeg == "" )
        {
            this.ErrMeg = strErr + " " + this.Name + " !" + this.Format;
        }
    }

    this.TextCheck = function()
    {
        switch( this.CheckType )
        {
            case "自定义":
                this.Reg = this.CustomReg;
                this.ChkReg();
                break;
            case "非空":
                this.ChkEmpty();
                break;
            case "数字":
                this.Reg = /^\d+$/;
                this.Format = " [ 请输入数字 ]";
                this.ChkReg();
                break;
            case "货币":
                this.Reg = /^\d+(\.\d+)?$/;
                this.ChkReg();
                break;
            case "整型":
                this.Reg = /^[-\+]?\d+$/;
                this.Format = " [ 请输入数字 ]";
                this.ChkReg();
                break;
            case "浮点":
                this.Reg = /^(-?\d+)(\.\d+)?$/;
                this.Format = " [ 正确格式:12.5 ]";
                this.ChkReg();
                break;
            case "身份证":
                this.Reg = /^\d{15}(\d{2}[A-Za-z0-9])?$/;
                this.ChkReg();
                break;
            case "电子邮件":
                this.Reg = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
                this.Format = " [ 请输入正确的Email格式 ]";
                this.ChkReg();
                break;
            case "三字码":
                this.Reg = /^[A-Za-z]{3}/;
                this.Format = " [请输入正确的三字代码]";
                this.ChkReg();
                break;
            case "日期":
                this.Reg = /^([0-9]{4}|[0-9]{2})[-]([0]?[1-9]|[1][0-2])[-]([0]?[1-9]|[1|2][0-9]|[3][0|1])$/;
                this.Format = " [ 正确格式:年-月-日 ]";
                this.ChkReg();
                break;
        }
    }
}

function checkForm()
        {
            var box;
            var strSelectList = "";
            var strMsg = "";

            if (fmDetail.clickButtonID.value == "btnToSelect")
            {
                for (var i=0; i<fmDetail.elements.length; i++)
                {
                    box = fmDetail.elements[i];

                    if (box.name == "TicketID" && box.checked)
                    {
                        strSelectList += "," + box.value;
                    }
                }

                if (strSelectList == "")
                {
                    alert("请选择要操作的记录");
                    return false;
                }
                else
                {
                    if (fmDetail.selectedList.value != "")
                    {
                        fmDetail.selectedList.value += "," + strSelectList.substring(1, strSelectList.length);
                    }
                    else
                    {
                        fmDetail.selectedList.value += strSelectList.substring(1, strSelectList.length);
                    }
                }
            }
            else if (fmDetail.clickButtonID.value == "btnToCancelSelect"
                    || fmDetail.clickButtonID.value == "btnOK"
                    || fmDetail.clickButtonID.value == "btnVerify"
                    || fmDetail.clickButtonID.value == "btnThaw"
                    || fmDetail.clickButtonID.value == "btnDeductFee")
            {
                if (fmDetail.clickButtonID.value == "btnOK"
                    || fmDetail.clickButtonID.value == "btnVerify"
                    || fmDetail.clickButtonID.value == "btnThaw"
                    || fmDetail.clickButtonID.value == "btnDeductFee")
                {
                    for (var i=0; i<fmDetail.elements.length; i++)
                    {
                        box = fmDetail.elements[i];

                        if (box.name == "cancelTicketID")
                        {
                            strSelectList += "," + box.value;
                        }
                    }
                }
                else
                {
                    for (var i=0; i<fmDetail.elements.length; i++)
                    {
                        box = fmDetail.elements[i];

                        if (box.name == "cancelTicketID" && box.checked)
                        {
                            strSelectList += "," + box.value;
                        }
                    }
                }

                if (strSelectList == "")
                {
                    if (fmDetail.clickButtonID.value == "btnOK"
                    || fmDetail.clickButtonID.value == "btnVerify"
                    || fmDetail.clickButtonID.value == "btnThaw"
                    || fmDetail.clickButtonID.value == "btnDeductFee")
                    {
                        alert("请先选择要处理的机票记录");
                    }
                    else
                    {
                        alert("请选择要取消的记录");
                    }

                    return false;
                }
                else
                {
                    fmDetail.cancelList.value = strSelectList.substring(1, strSelectList.length);
                }
            }

            if (fmDetail.clickButtonID.value == "btnOK")
            {
                if (!checkDataValue())
                {
                    return false;
                }

                //fmDetail.isSubmit.value = "Y";
            }

            if (fmDetail.clickButtonID.value == "btnVerify"
             || fmDetail.clickButtonID.value == "btnThaw"
             || fmDetail.clickButtonID.value == "btnDeductFee")
            {
                if (fmDetail.isUpdateAccreditMoney.value == "N")
                {
                    alert("请确认索权金额，点击“确定”更新索权金额后才能打印相应的申请表。");
                    return false;
                }

                if (fmDetail.clickButtonID.value == "btnVerify")
                {
                    strMsg = "该操作将会使所有选中机票的支付状态改为“正在验证”，您确定吗？";
                }
                else if (fmDetail.clickButtonID.value == "btnThaw")
                {
                    strMsg = "该操作将会使所有选中机票的支付状态改为“正在解冻”，您确定吗？";
                }
                else if (fmDetail.clickButtonID.value == "btnDeductFee")
                {
                    strMsg = "该操作将会使所有选中机票的支付状态改为“正在扣款”，您确定吗？";
                }

                if (strMsg != "")
                {
                    if (!confirm(strMsg))
                    {
                        return false;
                    }
                }
            }

            return true;
        }

        //有效性验证
        function checkDataValue()
        {
            var chkData;

             //实扣金额
            chkData = new CheckFormData(fmDetail.txtActualMoney,"","","","");
            chkData.Name = "实扣金额";
            chkData.CheckType = "非空";
            chkData.TextCheck();
            if(chkData.Result == false)
            {
                alert(chkData.ErrMeg);
                chkData.CheckObj.focus();
                return false;
            }

            chkData.CheckType = "浮点";
            chkData.TextCheck();
            if(chkData.Result == false)
            {
                alert(chkData.ErrMeg);
                chkData.CheckObj.focus();
                return false;
            }

            //授权金额
            chkData = new CheckFormData(fmDetail.txtAccreditMoney,"","","","");
            chkData.Name = "授权金额";
            chkData.CheckType = "非空";
            chkData.TextCheck();
            if(chkData.Result == false)
            {
                alert(chkData.ErrMeg);
                chkData.CheckObj.focus();
                return false;
            }

            chkData.CheckType = "浮点";
            chkData.TextCheck();
            if(chkData.Result == false)
            {
                alert(chkData.ErrMeg);
                chkData.CheckObj.focus();
                return false;
            }

            //验证码
            if (fmDetail.isJudgeVerifyCode.value == "Y" && "0,2,3".indexOf(fmDetail.ddlCreditCardStat.value) < 0)
            {
                chkData = new CheckFormData(fmDetail.txtVerifyCode,"","","","");
                chkData.Name = "验证码";
                chkData.CheckType = "非空";
                chkData.TextCheck();
                if(chkData.Result == false)
                {
                    alert(chkData.ErrMeg);
                    chkData.CheckObj.focus();
                    return false;
                }

                chkData.CheckType = "数字";
                chkData.TextCheck();
                if(chkData.Result == false)
                {
                    alert(chkData.ErrMeg);
                    chkData.CheckObj.focus();
                    return false;
                }

                if (fmDetail.txtVerifyCode.value.length < 7)
                {
                    alert("验证码为七位，前四位为信用卡的最后四位，后三位为真正的校验码，请检查");
                    fmDetail.txtVerifyCode.focus();
                    return false;
                }
                else
                {
                    var strCreditCardNO = document.getElementById("lbCreditCardNO").innerHTML;

                    if (fmDetail.txtVerifyCode.value.substring(0, 4) != strCreditCardNO.substring((strCreditCardNO.length-4), strCreditCardNO.length))
                    {
                        alert("验证码为七位，前四位为信用卡的最后四位，后三位为真正的校验码，请检查");
                        fmDetail.txtVerifyCode.focus();
                        return false;
                    }
                }
            }

            //授权号
            if ("0,2,3".indexOf(fmDetail.ddlCreditCardStat.value) < 0)
            {
                chkData = new CheckFormData(fmDetail.txtAccreditNO,"","","","");
                chkData.Name = "授权号";
                chkData.CheckType = "非空";
                chkData.TextCheck();
                if(chkData.Result == false)
                {
                    alert(chkData.ErrMeg);
                    chkData.CheckObj.focus();
                    return false;
                }
            }

            //交易日期
            chkData = new CheckFormData(fmDetail.txtPayTime,"","","","");
            chkData.Name = "交易日期";

            if ("0,2,3".indexOf(fmDetail.ddlCreditCardStat.value) < 0)
            {
                chkData.CheckType = "非空";
                chkData.ErrMeg = "请选择/输入交易日期";
                chkData.TextCheck();
                if(chkData.Result == false)
                {
                    alert(chkData.ErrMeg);
                    chkData.CheckObj.focus();
                    return false;
                }
            }

            if (fmDetail.txtPayTime.value != "")
            {
                chkData.CheckType = "日期";
                chkData.TextCheck();
                if(chkData.Result == false)
                {
                    alert(chkData.ErrMeg);
                    chkData.CheckObj.focus();
                    return false;
                }
            }

            //备注最大value为500个字符:nvarchar(500)
            if (fmDetail.txtRemark.value.replace(/(^\s*)|(\s*$)/g,"") != "")
            {
                if (fmDetail.txtRemark.value.replace(/(^\s*)|(\s*$)/g,"").length > 500)
                {
                    alert("备注不能超过500个字符！");
                    fmDetail.txtRemark.focus();
                    return false;
                }

                fmDetail.txtRemark.value = fmDetail.txtRemark.value.replace(/(^\s*)|(\s*$)/g,"");
            }

            return true;
        }
</script>
</HEAD>

<BODY>
<form id="fmDetail" onsubmit="return checkForm();" method="post" runat="server">
</form>
</BODY>
</HTML>

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原文地址：https://www.cnblogs.com/adam/p/1004144.html