Question

我正在使用带有Unobtrusive js的ASP.NET MVC并且它运行得很好但是我想为这样的事情设置验证规则：

我有两个值为“是”和“否”的下拉列表。我也有一个文本框。

基于从下拉列表中选择值

“是”我想在服务器端的客户端使用Unobtrusive验证是否输入了文本框值，如果

“否”而不是验证应该工作我的意思是，如果文本框值为空或输入的值是否正常，因为如果dropdownlist值为No，则我不想存储该值，否则验证不应该对该文本框起作用。

请有人帮我解决这个问题。

我已经提到了很多stackoverflow问题和答案，这也是非常好的答案，但我无法把它们用于解决问题。

我在bool中得到了下拉选择的值，即

 public bool IsTestUnit { get; set; }
    [RequiredIfUniTestIsYes("IsTestUnit == true", true, ErrorMessage = "Please Enter Test Unit Job Order Number ")]
        public long TestUnitJobOrder { get; set; }

我尝试过的代码：

 public class RequiredIfUniTestIsYes : ValidationAttribute, IClientValidatable
    {
        public RequiredIfUniTestIsYes()
        {

        }

        protected override ValidationResult IsValid(object value, ValidationContext validationContext)
        {
            var countryPropertyInfo = validationContext.ObjectInstance.GetType().GetProperty("IsTestUnit");
            var countryValue = countryPropertyInfo.GetValue(validationContext.ObjectInstance, null).ToString();
            if (countryValue == "True" && (value.ToString().Trim() == "" || Convert.ToInt32(value) == 0))
            {
                return new ValidationResult("Please Enter Unit Test Job Order Number");
            }

            return ValidationResult.Success;
        }

        public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
        {
            var rule = new ModelClientValidationRule();
            rule.ErrorMessage = "Please Enter Unit Test Job Order Number";
            rule.ValidationParameters.Add("istestunit", "true");
            rule.ValidationType = "isunittest";

            yield return rule;
        }
    }

使用Javascript：

$.validator.addMethod("isunittest", function (state, element, country) {
                 var country = $('#WorkOderDetailViewModel_IsTestUnit').val();
                     if (country == 'True' && state == '') {
                         return false;
                     }
                     return true;
                 });

             $.validator.unobtrusive.adapters.addSingleVal("isunittest", "true");

             (function ($) {
                 $.validator.addMethod('customRequire', function (value, element) {
                     // your validation logic here
                     return true; // true if valid, otherwise false 
                 });
                 $.validator.unobtrusive.adapters.add('customRequire');
             })(jQuery);

我只是复制粘贴代码而不更改名称所以请忽略这些错误。

Answer 1

鉴于您呈现如下字段：

public Piece insert(Piece piece)    {
final MapSqlParameterSource paramMap = new MapSqlParameterSource();
final KeyHolder generatedKeyHolder = new GeneratedKeyHolder();
String[] keyColumnNames = new String[1];
keyColumnNames[0] = HeraConstantes.OID_PIECE;


String sql = UtilsBatchSql.REQ_INSERT_PIECE;

NamedParameterJdbcTemplate parameterJdbcTemplate = new
    NamedParameterJdbcTemplate(getSimpleJdbcTemplate().getJdbcOperations());


paramMap.addValue(HeraConstantes.PCE_NUM_PIECE, piece.getNumeroPiece(), Types.BIGINT);
paramMap.addValue(HeraConstantes.PCE_TYPE_PIECE, piece.getTypePiece(), Types.VARCHAR);
paramMap.addValue(HeraConstantes.PCE_ID_BORD, piece.getIdBordereau(), Types.BIGINT);
paramMap.addValue(HeraConstantes.PCE_EXE_RATTACH, piece.getExerciceRattachement(), Types.INTEGER);
paramMap.addValue(HeraConstantes.PCE_DT_EMIS, piece.getDateEmission(), Types.DATE);
paramMap.addValue(HeraConstantes.BUDGET_OID_FROM_RAR_PIECES, piece.getBudgetCollectiviteOID(), Types.BIGINT);

try
{
    parameterJdbcTemplate.update(sql, paramMap, generatedKeyHolder, keyColumnNames);

}
catch (DataAccessException e)
{
    log.error(e.getMessage());
    throw new GerableException(e.getMessage());
}
piece.setPieceOID(generatedKeyHolder.getKey().longValue());



return piece;}

将模型属性声明为：

@Html.DropDownListFor(m => m.IsTestUnit,
new[] { true, false }.Select(b => new SelectListItem { Text = b ? "Yes" : "No", Value = b.ToString().ToLower() }),
new { id = "WorkOderDetailViewModel_IsTestUnit" })

@Html.TextBoxFor(m => m.TestUnitJobOrder)
@Html.ValidationMessageFor(m => m.TestUnitJobOrder)

您可以像这样定义自定义验证器：

    public bool IsTestUnit { get; set; }

    [RequiredIfUniTestIsYes("IsTestUnit", ErrorMessage = "Please Enter Test Unit Job Order Number ")]
    public long? TestUnitJobOrder { get; set; }

并注册客户端不引人注意的验证，如下所示：

public class RequiredIfUniTestIsYes : ValidationAttribute, IClientValidatable
{
    private string _dependancy;

    public RequiredIfUniTestIsYes(string dependancy)
    {
        _dependancy = dependancy;
    }

    protected override ValidationResult IsValid(object value, ValidationContext validationContext)
    {
        var countryPropertyInfo = validationContext.ObjectInstance.GetType().GetProperty(_dependancy);
        var countryValue = (bool)countryPropertyInfo.GetValue(validationContext.ObjectInstance, null);
        var number = default(long);
        if (countryValue && (value == null || !long.TryParse(value.ToString(), out number)))
        {
            return new ValidationResult("Please Enter Unit Test Job Order Number");
        }

        return ValidationResult.Success;
    }

    public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
    {
        var rule = new ModelClientValidationRule();
        rule.ErrorMessage = "Please Enter Unit Test Job Order Number";
        rule.ValidationParameters.Add("istestunit", "true");
        rule.ValidationType = "isunittest";

        yield return rule;
    }
}

ASP.NET MVC自定义验证，不引人注目

1 个答案: