/****************************************************************************
 * DESC       ：公用校验JavaScript(兼容IE5/NN6)--平台中心组控制，项目组不得修改，否则后果自负
 *              如果发现有问题或需求，请通知提供者
 * 最后更新   : 2005-02-23
 * AUTHOR     ：zhouxianli@sinosoft.com.cn
 *          ------------------------------------------------------
 *
 ************************************************************************************/

 /**
    结构为 字段名，字段描述，原始类型，是否允许为空
           4项都是必需的
 */

var schemaColumns = new Array(); //存储字段结构的数组
var mulLineDataFields = new Array(); //临时存储Form中多行Data字段的数组
var skipFieldPrefixs = new Array(); //临时存储Form中跳过的字段前缀的数组

//初始化数组
var private_columnIndex = 0; //序号
/**
 * 添加SchemaColumn
 */
function addSchemaColumn(schemaColumn){
    if(schemaColumns[schemaColumn.name]==null){
      schemaColumns[schemaColumn.name]=schemaColumn;
    }
}

/**
 * schemaColumn定义
 */
function schemaColumn(name,desc,dataType,allowNulls)
{
    this.name = name;
    this.desc = desc;
    this.dataType = dataType;
    this.allowNulls = allowNulls;
}
/**
 * 得到SchemaColumn
 * @param name SchemaColumn的name属性
 * @return 查到返回SchemaColumn,否则返回null
 */
function getSchemaColumn(name)
{
  if(isSkipFieldName(name)){
      return null;
  }
    return schemaColumns[name];
}

/**
 * 初始化多行输入域
 * mulLineTableIdList 以逗号为分割符组合的多行输入域表的ID
 */
function initMulLineFields(mulLineTableIdList){
    mulLineDataFields = new Array();
    if(mulLineTableIdList==null || mulLineTableIdList==""){
        return;
    }
    var tableIdArray = new Array();
    if(mulLineTableIdList.indexOf(",")>-1){
      tableIdArray = mulLineTableIdList.split(",");
    }else{
      tableIdArray[0]=mulLineTableIdList;
    }

    var index = 0;
    var tableIdCount = tableIdArray.length;
    for(var i=0;i<tableIdCount;i++)
    {
        var elements=new Array();
        elements=getTableElements(tableIdArray[i]);
        var elementsCount = elements.length;
        for(var j=0;j<elementsCount;j++){
            mulLineDataFields[index++]=elements[j];
        }
    }
}


/**
 * 初始化跳过字段前缀的列表
 * skipFieldPrefixsList 以逗号为分割符组合的跳过字段前缀的列表
 */
function initSkipFieldPrefixs(skipFieldPrefixsList){
    skipFieldPrefixs = new Array();
    if(skipFieldPrefixsList==null || skipFieldPrefixsList==""){
        return;
    }

    var skipFieldNameArray = new Array();
    if(skipFieldPrefixsList.indexOf(",")>-1){
      skipFieldNameArray = skipFieldPrefixsList.split(",");
    }else{
      skipFieldNameArray[0]=skipFieldPrefixsList;
    }

    var index = 0;
    var skipFieldNameCount = skipFieldNameArray.length;
    for(var i=0;i<skipFieldNameCount;i++)
    {
       skipFieldPrefixs[index++]=skipFieldNameArray[i];
    }
}

/**
 * 是否是多行输入域
 * @param field 元素
 * @return 是则返回true,否则返回false
 */
function isMulLineField(field)
{
    var mulLineDataFieldsCount = mulLineDataFields.length;
    for(var i=0;i<mulLineDataFieldsCount;i++){
        if(field==mulLineDataFields[i]){
            return true;
        }
    }
    return false;
}

/**
 * 是否是跳过的域的名字（无需处理）
 * @param name 元素名字
 * @return 是则返回true,否则返回false
 */
function isSkipFieldName(name)
{
    var skipFieldPrefixsCount = skipFieldPrefixs.length;
    for(var i=0;i<skipFieldPrefixsCount;i++){
        if(name.indexOf(skipFieldPrefixs[i])==0){
            return true;
        }
    }
    return false;
}

/**
 * 验证必须输入项(覆盖struts中相应方法)
 * @param form form
 * @return 是返回true,否返回false
 */
function validateRequired(form) {
        var bValid = true;
    var focusField = null;
    var i = 0;
    var field = null;
    var schemaColumn = null;
    var fields = new Array(); //存放schemaColumns
    var count  = 0;
    var elementsCount = form.elements.length;
    for(i=0;i<elementsCount;i++)
    {
        field = form.elements[i];
        if (field.type == 'text' ||
            field.type == 'file' ||
            field.type == 'textarea' ||
            field.type == 'select-one' ||
            field.type == 'radio' ||
            field.type == 'password') {

            if(isMulLineField(field)){
                if(isFirstElement(field)){
                    continue;
                }
            }
            schemaColumn = getSchemaColumn(field.name);
            if(schemaColumn==null){
                //log("字段" + field.name + "没有在ValidateData.js中定义");
                continue;
            }
            //跳过可以为空的输入域
            if(schemaColumn.allowNulls==true){
                continue;
            }

            var value;
      // get field's value
      if (field.type == "select-one") {
        var si = field.selectedIndex;
        value = field.options[si].value;
      } else {
        value = field.value;
      }

            if (value == '') {
                if (focusField == null) {
                    focusField = field;
                }
                fields[fields.length] = schemaColumn;
                bValid = false;
            }
        }
    }

    var fieldsCount = fields.length;
    if (fieldsCount>0) {
        var message = "";
        for(i=0;i<fieldsCount;i++)
        {
            message = message + fields[i].desc + "不允许为空\n";
        }
        showMessage(message);
        setFocus(focusField);
    }
    return bValid;
}

/**
 * 检查是否是合法的varchar类型字段
 * @param form form
 * @param schemaColumn schemaColumn
 * @return 是返回true,否返回false
 */
function isValidateVarcharField(field,schemaColumn){
    var maxLength  = 0;
    var minSpace  = 0;
    var temp = schemaColumn.dataType;
    var start = schemaColumn.dataType.indexOf("(",7);  //"("的位置
    var middle = schemaColumn.dataType.indexOf(",",start); //","的位置
    var end = schemaColumn.dataType.indexOf(")",start); //")"的位置
    if(middle==-1){ //没有设置最小值
        maxLength = parseInt(schemaColumn.dataType.substring(start+1,end),10);
        minSpace = 0;
    }
    else{
        maxLength = parseInt(schemaColumn.dataType.substring(start+1,middle),10);
        minSpace = parseInt(schemaColumn.dataType.substring(middle+1,end),10);
    }

    if (getByteLength(field.value) > maxLength) {
        return false;
    }
    if (getByteLength(field.value) < minSpace) {
        return false;
    }
    return true;
}

/**
 * 检查是否是合法的char类型字段
 * @param form form
 * @param schemaColumn schemaColumn
 * @return 是返回true,否返回false
 */
function isValidateCharField(field,schemaColumn){
    var maxLength  = 0;
    var temp = schemaColumn.dataType;
    var start = schemaColumn.dataType.indexOf("(",4);//"("的位置
    var end = schemaColumn.dataType.indexOf(")",start);//")"的位置
    maxLength=parseInt(schemaColumn.dataType.substring(start+1,end),10);

    if (getByteLength(field.value) > maxLength) {
        return false;
    }
    return true;
}

/**
 * 检查是否是合法的Integer类型字段
 * @param form form
 * @param schemaColumn schemaColumn
 * @return 是返回true,否返回false
 */
function isValidateIntegerField(field,schemaColumn)
{
  var strValue = field.value;
  if(strValue.length==0)
    return true;

  field.value = trim(field.value);
  var strValue=field.value;
  if(strValue=="")
    strValue = "0";
  field.value = strValue

  if (regExpTest(strValue,/[+|\-]?\d+/g)==false){
    return false;
  }

  var value = parseInt(strValue,10);

  if(isNaN(value) || value>MAX_INTEGER || value<MIN_INTEGER){
    return false;
  }
  return true;
}

/**
 * 检查是否是合法的SmallInt类型字段
 * @param form form
 * @param schemaColumn schemaColumn
 * @return 是返回true,否返回false
 */
function isValidateSmallintField(field,schemaColumn)
{
    if(isValidateIntegerField(field,schemaColumn)==false){
        return false;
    }
    var strValue = field.value;
    var value = parseInt(strValue,10);
    if(value>MAX_SMALLINT || value<MIN_SMALLINT){
        return false;
    }
    return true;
}

/**
 * 检查是否是decimal类型字段
 * @param form form
 * @param schemaColumn schemaColumn
 * @return 是返回true,否返回false
 */
function isValidateDecimalField(field,schemaColumn){
    var length  = 0;
    var scale  = 0;
    var temp = schemaColumn.dataType;
    var start = schemaColumn.dataType.indexOf("(");  //"("的位置
    var middle = schemaColumn.dataType.indexOf(","); //","的位置
    var end = schemaColumn.dataType.indexOf(")"); //")"的位置
    if(middle==-1){ //没有设置最小值
        length = parseInt(schemaColumn.dataType.substring(start+1,end),10);
        scale = 0;
    }
    else{
        length = parseInt(schemaColumn.dataType.substring(start+1,middle),10);
        scale = parseInt(schemaColumn.dataType.substring(middle+1,end),10);
    }
    field.value = trim(field.value);//去掉输入域头尾空格
    var strValue=field.value;
     if(strValue==""){
        strValue = "0";
    }
    field.value = strValue;

    if(regExpTest(strValue,/^[+|\-]?\d*[.]?\d*/g)==false){
        return false;
    }
    //检查精度
    middle = strValue.indexOf("."); //"."的位置
    if(middle>-1){
        if(scale<strValue.substr(middle+1).length){
            return false;
        }
    }

    //检查最大长度
    var addLength = 0;
    if(strValue.indexOf("+")>-1 ){
        addLength++;
    }
    if(strValue.indexOf("-")>-1){
        addLength++;
    }

    if(strValue.indexOf(".")==0){
        addLength--;
    }
    else if(strValue.indexOf(".")>0){
        addLength++;
    }

    if (getByteLength(strValue) > (length + addLength)) {
        return false;
    }

    return true;
}

/**
 * 检查是否是合法的date类型字段
 * @param form form
 * @param schemaColumn schemaColumn
 * @return 是返回true,否返回false
 */
function isValidateDateField(field,schemaColumn)
{
    field.value = replace(trim(field.value),"/",DATE_DELIMITER);
    var strValue = field.value;
    //如果是全数字,则转换为日期型数据
    if (regExpTest(strValue,/\d+/g)==true){
        //只接受YYYYMMDD格式
        if(getByteLength(strValue)!=8){
            return false;
        }
        strValue = strValue.substring(0,4) + DATE_DELIMITER +
                   strValue.substring(4,6) + DATE_DELIMITER +
                   strValue.substring(6);
    }
    var dateArr = strValue.split(DATE_DELIMITER);
    if(dateArr.length!=3){
        return false;
    }
    var year = parseInt(dateArr[0],10);
    var month = parseInt(dateArr[1],10);
    var date = parseInt(dateArr[2],10);

    //js月是从0-11
    var testDate = new Date(year,month-1,date);
    if(testDate.getFullYear()!=year ||testDate.getMonth()!=(month-1) ||testDate.getDate()!=date){
        return false;
    }    
    field.value = dateArr[0] + DATE_DELIMITER + dateArr[1] + DATE_DELIMITER + dateArr[2]; 
    return true;
}

/**
 * 检查是否是合法的datetime类型字段
 * @param form form
 * @param schemaColumn schemaColumn
 * @return 是返回true,否返回false
 */
function isValidateDateTimeField(field,schemaColumn)
{
  property = schemaColumn.dataType.toLowerCase();
  //如果是年到日,则调用isValidateDateField校验
  if(property=="datetime year to day"){
    return isValidateDateField(field,schemaColumn);
  }

    field.value = trim(field.value);
    var strValue = field.value;

    if(property=="datetime year to year"){//从年开始
    var reg =new RegExp ("^(\\d+)$");
    var r = strValue.match(reg);
    if(r==null)return false;
    var d= new Date(r[1], 0,1 );
    if(d.getFullYear()!=r[1]) return false;
    }else if(property=="datetime year to month"){
    var reg =new RegExp ("^(\\d+)" + DATE_DELIMITER + "(\\d{1,2})$");
    var r = strValue.match(reg);
    if(r==null)return false;
    r[2]=r[2]-1;
    var d= new Date(r[1], r[2],1 );
    if(d.getFullYear()!=r[1]) return false;
    if(d.getMonth()!=r[2])return false;
    }else if(property=="datetime year to day"){
    var reg =new RegExp ("^(\\d+)" + DATE_DELIMITER + "(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2})$");
    var r = strValue.match(reg);
    if(r==null)return false;
    r[2]=r[2]-1;
    var d= new Date(r[1], r[2],r[3] );
    if(d.getFullYear()!=r[1]) return false;
    if(d.getMonth()!=r[2])return false;
        if(d.getDate()!=r[3])return false;
    }else if(property=="datetime year to hour"){
    var reg =new RegExp ("^(\\d+)" + DATE_DELIMITER + "(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[2]=r[2]-1;
        var d= new Date(r[1], r[2],r[3], r[4],1,1);
        if(d.getFullYear()!=r[1])return false;
        if(d.getMonth()!=r[2])return false;
        if(d.getDate()!=r[3])return false;
        if(d.getHours()!=r[4])return false;
    }else if(property=="datetime year to minute"){
    var reg =new RegExp ("^(\\d+)" + DATE_DELIMITER + "(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[2]=r[2]-1;
      var d= new Date(r[1], r[2],r[3], r[4],r[5],1);
        if(d.getFullYear()!=r[1])return false;
        if(d.getMonth()!=r[2])return false;
        if(d.getDate()!=r[3])return false;
        if(d.getHours()!=r[4])return false;
        if(d.getMinutes()!=r[5])return false;
    }else if(property=="datetime year to second"){
    var reg =new RegExp ("^(\\d+)" + DATE_DELIMITER + "(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[2]=r[2]-1;
        var d= new Date(r[1], r[2],r[3], r[4],r[5], r[6]);
        if(d.getFullYear()!=r[1])return false;
        if(d.getMonth()!=r[2])return false;
        if(d.getDate()!=r[3])return false;
        if(d.getHours()!=r[4])return false;
        if(d.getMinutes()!=r[5])return false;
        if(d.getSeconds()!=r[6])return false;
    }else if(property=="datetime year to millisecond"){
    var reg =new RegExp ("^(\\d+)" + DATE_DELIMITER + "(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2}):(\\d{1,2}):(\\d{1,2}).(\\d{1,3})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[2]=r[2]-1;
        var d= new Date(r[1], r[2],r[3], r[4],r[5], r[6]);
        if(d.getFullYear()!=r[1])return false;
        if(d.getMonth()!=r[2])return false;
        if(d.getDate()!=r[3])return false;
        if(d.getHours()!=r[4])return false;
        if(d.getMinutes()!=r[5])return false;
        if(d.getSeconds()!=r[6])return false;
    }else if(property=="datetime month to month"){ //从月开始
    var reg =new RegExp ("^(\\d{1,2})$");
    var r = strValue.match(reg);
    if(r==null)return false;
    r[1]=r[1]-1;
    var d= new Date(2004, r[1],1 );
    if(d.getMonth()!=r[1])return false;
    }else if(property=="datetime month to day"){
    var reg =new RegExp ("^(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2})$");
    var r = strValue.match(reg);
    if(r==null)return false;
    r[1]=r[1]-1;
    var d= new Date(2004, r[1],r[2] );
    if(d.getMonth()!=r[1])return false;
        if(d.getDate()!=r[2])return false;
    }else if(property=="datetime month to hour"){
    var reg =new RegExp ("^(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[1]=r[1]-1;
        var d= new Date(2004,r[1], r[2],r[3],1,1);
        if(d.getMonth()!=r[1])return false;
        if(d.getDate()!=r[2])return false;
        if(d.getHours()!=r[3])return false;
    }else if(property=="datetime month to minute"){
    var reg =new RegExp ("^(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[1]=r[1]-1;
      var d= new Date(2004,r[1], r[2],r[3], r[4],1);
        if(d.getMonth()!=r[1])return false;
        if(d.getDate()!=r[2])return false;
        if(d.getHours()!=r[3])return false;
        if(d.getMinutes()!=r[4])return false;
    }else if(property=="datetime month to second"){
    var reg =new RegExp ("^(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[1]=r[1]-1;
        var d= new Date(2004,r[1], r[2],r[3], r[4],r[5]);
        if(d.getMonth()!=r[1])return false;
        if(d.getDate()!=r[2])return false;
        if(d.getHours()!=r[3])return false;
        if(d.getMinutes()!=r[4])return false;
        if(d.getSeconds()!=r[5])return false;
    }else if(property=="datetime month to millisecond"){
    var reg =new RegExp ("^(\\d{1,2})" + DATE_DELIMITER + "(\\d{1,2}) (\\d{1,2}):(\\d{1,2}):(\\d{1,2}).(\\d{1,3})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        r[1]=r[1]-1;
        var d= new Date(2004,r[1], r[2],r[3], r[4],r[5]);
        if(d.getMonth()!=r[1])return false;
        if(d.getDate()!=r[2])return false;
        if(d.getHours()!=r[3])return false;
        if(d.getMinutes()!=r[4])return false;
        if(d.getSeconds()!=r[5])return false;
    }else if(property=="datetime day to day"){ //从日开始
    var reg =new RegExp ("^(\\d{1,2})$");
    var r = strValue.match(reg);
    if(r==null)return false;
    var d= new Date(2004, 1,r[1] );
        if(d.getDate()!=r[1])return false;
    }else if(property=="datetime day to hour"){
    var reg =new RegExp ("^(\\d{1,2}) (\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1, r[1],r[2],1,1);
        if(d.getDate()!=r[1])return false;
        if(d.getHours()!=r[2])return false;
    }else if(property=="datetime day to minute"){
    var reg =new RegExp ("^(\\d{1,2}) (\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,r[1], r[2],r[3],1);
        if(d.getDate()!=r[1])return false;
        if(d.getHours()!=r[2])return false;
        if(d.getMinutes()!=r[3])return false;
    }else if(property=="datetime day to second"){
    var reg =new RegExp ("^(\\d{1,2}) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,r[1], r[2],r[3], r[4]);
        if(d.getDate()!=r[1])return false;
        if(d.getHours()!=r[2])return false;
        if(d.getMinutes()!=r[3])return false;
        if(d.getSeconds()!=r[4])return false;
    }else if(property=="datetime day to millisecond"){
    var reg =new RegExp ("^(\\d{1,2}) (\\d{1,2}):(\\d{1,2}):(\\d{1,2}).(\\d{1,3})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,r[1], r[2],r[3], r[4]);
        if(d.getDate()!=r[1])return false;
        if(d.getHours()!=r[2])return false;
        if(d.getMinutes()!=r[3])return false;
        if(d.getSeconds()!=r[4])return false;
    }else if(property=="datetime hour to hour"){//从小时开始
    var reg =new RegExp ("^(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1, r[1],1,1);
        if(d.getHours()!=r[1])return false;
    }else if(property=="datetime hour to minute"){
    var reg =new RegExp ("^(\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,r[1], r[2],1);
        if(d.getHours()!=r[1])return false;
        if(d.getMinutes()!=r[2])return false;
    }else if(property=="datetime hour to second"){
    var reg =new RegExp ("^(\\d{1,2}):(\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,r[1], r[2],r[3]);
        if(d.getHours()!=r[1])return false;
        if(d.getMinutes()!=r[2])return false;
        if(d.getSeconds()!=r[3])return false;
    }else if(property=="datetime hour to millisecond"){
    var reg =new RegExp ("^(\\d{1,2}):(\\d{1,2}):(\\d{1,2}).(\\d{1,3})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,r[1], r[2],r[3]);
        if(d.getHours()!=r[1])return false;
        if(d.getMinutes()!=r[2])return false;
        if(d.getSeconds()!=r[3])return false;
    }else if(property=="datetime minute to minute"){//从分开始
    var reg =new RegExp ("^(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,1,r[1],1);
        if(d.getMinutes()!=r[1])return false;
    }else if(property=="datetime minute to second"){
    var reg =new RegExp ("^(\\d{1,2}):(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,1,r[1], r[2]);
        if(d.getMinutes()!=r[1])return false;
        if(d.getSeconds()!=r[2])return false;
    }else if(property=="datetime minute to millisecond"){
    var reg =new RegExp ("^(\\d{1,2}):(\\d{1,2}).(\\d{1,3})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,1,r[1], r[2]);
        if(d.getMinutes()!=r[1])return false;
        if(d.getSeconds()!=r[2])return false;
    }else if(property=="datetime second to second"){//从秒开始
    var reg =new RegExp ("^(\\d{1,2})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,1,1, r[1]);
        if(d.getSeconds()!=r[1])return false;
    }else if(property=="datetime second to millisecond"){
    var reg =new RegExp ("^(\\d{1,2}).(\\d{1,3})$");
        var r = strValue.match(reg);
        if(r==null)return false;
        var d= new Date(2004,1,1,1,1,r[1]);
        if(d.getSeconds()!=r[1])return false;
    }else if(property=="datetime millisecond to millisecond"){//从毫秒开始
    var reg =new RegExp ("^(\\d{1,3})$");
        var r = strValue.match(reg);
        if(r==null)return false;
    }

    return true;
}

/**
 * 验证字段类型
 * @param form form
 * @return 是返回true,否返回false
 */
function validateType(form) {
    var bValid = true;
    var bResult = true;
    var focusField = null;
    var i = 0;
    var field = null;
    var schemaColumn = null;
    var fields = new Array(); //存放schemaColumns
    var count  = 0;
    var type = "";
    var property = "";
    var elementsCount = form.elements.length;
    for(i=0;i<elementsCount;i++)
    {
        field = form.elements[i];
        if (field.type == 'text' ||
            field.type == 'password' ||
            field.type == 'textarea') {

            if(field.value==""){
                continue;
            }
            if(isMulLineField(field)){
                if(isFirstElement(field)){
                    continue;
                }
            }

            schemaColumn = getSchemaColumn(field.name);
            if(schemaColumn==null){
                //log("字段" + field.name + "没有在ValidateData.js中定义");
                continue;
            }
            property = schemaColumn.dataType.toLowerCase();

            if (property=="text"){ //text类型无需校验
                bResult = true;
            }
            else if (property==("byte")){//byte类型无需校验
                bResult = true;
            }
            else if (property=="integer"||property=="int"){
                bResult = isValidateIntegerField(field,schemaColumn);
            }
            else if (property=="smallint"){
                bResult = isValidateSmallintField(field,schemaColumn);
            }
            else if (property=="date"){
                bResult = isValidateDateField(field,schemaColumn);
            }
            else if (property.indexOf("datetime")!=-1){
                bResult = isValidateDateTimeField(field,schemaColumn);
            }
            else if(property.indexOf("varchar")!=-1){
                bResult = isValidateVarcharField(field,schemaColumn);
            }
            else if (property.indexOf("char")!=-1){
                bResult = isValidateCharField(field,schemaColumn);
            }
            else if (property.indexOf("dec")!=-1){
                bResult = isValidateDecimalField(field,schemaColumn);
            }
            else if (property.indexOf("float")!=-1){
                bResult = isValidateDecimalField(field,schemaColumn);
            }
            else if (property.indexOf("number")!=-1){
                bResult = isValidateDecimalField(field,schemaColumn);
            }
            else if (property.indexOf("numeric")!=-1){
                bResult = isValidateDecimalField(field,schemaColumn);
            }
            else{
                //log("警告:"+field.name+"类型为" +property + ".在validateType中没有处理,请联系提供者!");
                bResult = true;
            }

            if(bResult==false){
                if (focusField == null) {
                    focusField = field;
                }
                fields[fields.length] = schemaColumn;
                bValid = false;
            }
        }
    }
    var fieldsCount = fields.length;
    if (fieldsCount>0) {
        var message = "";
        for(i=0;i<fieldsCount;i++){
            message = message + getErrorMessage(fields[i]) + "\n";
        }
        showMessage(message);
        setFocus(focusField);
        setSelect(focusField);
    }
    return bValid;
}

function getErrorMessage(field){
  var typeDesc = "";
  var maxLength  = 0;
  var minSpace  = 0;
  var start = 0;  //"("的位置
  var middle = 0; //","的位置
  var end = 0;    //")"的位置
  var property;

  start = field.dataType.indexOf("(");  //"("的位置
  middle = field.dataType.indexOf(","); //","的位置
  end = field.dataType.indexOf(")"); //")"的位置
  if(middle==-1){ //没有设置最小值
      maxLength = parseInt(field.dataType.substring(start+1,end),10);
      minSpace = 0;
  }
  else{
      maxLength = parseInt(field.dataType.substring(start+1,middle),10);
      minSpace = parseInt(field.dataType.substring(middle+1,end),10);
  }

  property = field.dataType.toLowerCase();
  if (property=="integer"||property=="int"){
      typeDesc = "整数";
//                typeDesc = typeDesc + "(最大为" + MAX_INTEGER + ",最小为" + MIN_INTEGER + ")";
  }
  else if (property=="smallint"){
      typeDesc = "小整数";
//                typeDesc = typeDesc + "(最大为" + MAX_SMALLINT + ",最小为" + MIN_SMALLINT + ")";
  }
  else if (property=="date"){
      typeDesc = "有效日期，且格式为YYYYMMDD或YYYY" + DATE_DELIMITER + "MM" + DATE_DELIMITER + "DD)";
  }
  else if(property.indexOf("datetime")!=-1){
    typeDesc = "日期时间格式(格式为" + trim(property.substring(8)) + ",其中日期分割符为" + DATE_DELIMITER + ")";
  }
  else if(property.indexOf("varchar")!=-1){
      typeDesc = "字符串";
      typeDesc = typeDesc + "(最大长度为" + maxLength ;
      if (minSpace>0) {
          typeDesc = typeDesc + ",最小长度为" + minSpace ;
      }
      typeDesc = typeDesc + ")"
  }
  else if (property.indexOf("char")!=-1){
      typeDesc = "字符串";
      typeDesc = typeDesc + "(最大长度为" + maxLength ;
      if (minSpace>0) {
          typeDesc = typeDesc + ",最小长度为" + minSpace ;
      }
      typeDesc = typeDesc + ")"
  }
  else if (property.indexOf("dec")!=-1||property.indexOf("float")!=-1||property.indexOf("number")!=-1||property.indexOf("numeric")!=-1 ){
      typeDesc = "数值";
      typeDesc = typeDesc + "(有效位数为" + maxLength ;
      if (minSpace>0) {
          typeDesc = typeDesc + ",精度为" + minSpace ;
      }
      typeDesc = typeDesc + ")"
  }
  return "\"" + field.desc + "\"必须是" + typeDesc;
}

/**
* 默认的校验Form的方法
* @param form form
* @param mulLineTableIdList 多行输入域的数据页的table ID,如果是多个，中间用逗号分隔。
* @param skipFieldPrefixs 字段名符合上述前缀即不进行校验。如果是多个，中间用逗号分隔。
* @return 通过true/不通过false
*/
function validateForm(form,mulLineTableIdList,skipFieldPrefixs)
{
   if(bCancel==true) {
     return true;
   }
//   if(!confirm("确认要保存信息？")){
//     return false;
//   }

   initMulLineFields(mulLineTableIdList);
   initSkipFieldPrefixs(skipFieldPrefixs);

   return validateRequired(form) && validateType(form);
}

function getDataTypeMaxLength(dataType){
    var maxLength  = 0;
    var minSpace  = 0;
    var start = 0;  //"("的位置
    var middle = 0; //","的位置
    var end = 0;    //")"的位置

    start = dataType.indexOf("(");  //"("的位置
    middle = dataType.indexOf(","); //","的位置
    end = dataType.indexOf(")"); //")"的位置
    //存在"("
    if(start>0){
        if(middle==-1){ //没有设置最小值
            maxLength = parseInt(dataType.substring(start+1,end),10);
            minSpace = 0;
        }
        else{
            maxLength = parseInt(dataType.substring(start+1,middle),10);
            minSpace = parseInt(dataType.substring(middle+1,end),10);
        }
    }

    if (dataType=="integer"||dataType=="int"){
        maxLength=DB_INT_LENGTH;
    }
    else if (dataType=="smallint"){
        maxLength=DB_INT_LENGTH/4;
    }
    else if (dataType=="date"){
        maxLength=10;
    }
    return maxLength;
}

/**
 * 初始化整个页面的方法
 * 设置域的maxLenght属性.
 * @param mulLineTableIdList 多行输入域的数据页的table ID,如果是多个，中间用逗号分隔。
 */
function initPage(mulLineTableIdList){
    var i=0;
    var j=0;
    var maxLength=0;
    var element;
    var schemaColumn;
    var method;
    var formsCount = document.forms.length;
    initMulLineFields(mulLineTableIdList);
    for(i=0;i<formsCount;i++){
        var form = document.forms[i];
        var elementsCount = form.elements.length;
        for(j=0;j<elementsCount;j++){
            element = form.elements[j];

            if(element.name=="" || element.type == 'hidden' || element.type == 'button'
             || element.type == 'submit' || element.type == 'reset' || element.type == 'img'){
                continue;
            }
            schemaColumn = getSchemaColumn(element.name);
            if(schemaColumn==null){
                //log("字段" + element.name + "没有在ValidateData.js中定义");
                continue;
            }

            //设置maxLength
            if (element.type == 'text' ||
                element.type == 'textarea' ||
                element.type == 'password') {
                maxLength=getDataTypeMaxLength(schemaColumn.dataType);
                if(maxLength>0){
                    element.maxLength=maxLength;
                }
            }
            //设置title
            if (element.type == 'text' ||
                element.type == 'textarea') {
                if(element.title==""){
                  var property = schemaColumn.dataType.toLowerCase();
                  var typeDesc = "";
                  if (property=="date"){
                      typeDesc = "日期(格式为YYYY" + DATE_DELIMITER + "MM" + DATE_DELIMITER + "DD),例如:2005" + DATE_DELIMITER + "12" + DATE_DELIMITER + "28";
                  }
                  else if(property.indexOf("datetime")!=-1){
                    typeDesc = "日期时间格式(格式为" + trim(property.substring(8)) + ",其中日期分割符为" + DATE_DELIMITER + ")";
                  }

                  if(typeDesc!=""){
                      element.title = typeDesc + "\r\n如果是查询，可以在中间加入冒号':'进行区间查询";
                  }
                }
            }

            //添加onkeypress处理事件
            method = null;
            if(element.onkeypress!=null){
              method = element.onkeypress;
            }
            element.onkeypress=keypressHandler;
            if (method!=null){
                eval("element.onkeypress.prototype." + element.name + "=" + method);
            }
            //添加onblur处理事件
            method = null;
            if(element.onblur!=null){
              method = element.onblur;
            }
            element.onblur=blurHandler;
            if (method!=null){
                eval("element.onblur.prototype." + element.name + "=" + method);
            }
        }
    }
}

/**
 * 是否是合法的decimal类型输入,即("0-9",".","+",'-")
 * 是返回true,否返回false.
 */
function isValidateDecimalInput(e)
{
    var value;
    if(isNetscape()){
        value=String.fromCharCode(e.charCode);
    }
    else{
        value=String.fromCharCode(e.keyCode);
    }
    if(regExpTest(value,/[+|\-|\.|0-9]{1}/)==true){
        return true;
    }
    else{
        return false;
    }
}

/**
 * 是否是合法的integer类型输入,即("0-9","+",'-")
 * 是返回true,否返回false.
 */
function isValidateIntegerInput(e)
{
    var value;
    if(isNetscape()){
        value=String.fromCharCode(e.charCode);
    }
    else{
        value=String.fromCharCode(e.keyCode);
    }
    if(regExpTest(value,/[+|\-|0-9]{1}/)==true){
        return true;
    }
    else{
        return false;
    }
}

/**
 * 是否是合法的date类型输入,即("0-9","/")
 * 是返回true,否返回false.
 */
function isValidateDateInput(e)
{
    var value;
    if(isNetscape()){
        value=String.fromCharCode(e.charCode);
    }
    else{
        value=String.fromCharCode(e.keyCode);
    }
    if(regExpTest(value,/[\/|0-9]| |-|:{1}/)==true){
        return true;
    }
    else{
        return false;
    }
}


function keypressHandler(evt)
{
    var testValue;
    testValue = true;
    evt = (evt) ? evt : window.event;
    var schemaColumn = getSchemaColumn(this.name);
    if(schemaColumn==null){
        //log("字段" + this.name + "没有在ValidateData.js中定义2");
        testValue=true;
    }
    else{
        var dataType = schemaColumn.dataType.toLowerCase();
        if (dataType=="integer"||dataType=="int"){
            testValue=isValidateIntegerInput(evt);
        }
        else if (dataType=="smallint"){
            testValue=isValidateIntegerInput(evt);
        }
        else if (dataType=="date"){
            testValue=isValidateDateInput(evt);
        }
        else if(dataType.indexOf("varchar")!=-1){
            testValue=true;
        }
        else if (dataType.indexOf("char")!=-1){
            testValue=true;
        }
        else if (dataType.indexOf("dec")!=-1||dataType.indexOf("float")!=-1 
              ||dataType.indexOf("number")!=-1||dataType.indexOf("numeric")!=-1){
            testValue=isValidateDecimalInput(evt);
        }
        else{
            //log("警告"+this.name+"类型为" +dataType + ".在keypressHandler中没有处理");
            testValue=true;
        }
        if(testValue!=true){
            return false;
        }
    }

    try{
        var obj;
        obj = eval("this.onkeypress.prototype." + this.name );
        if(obj != null)
        {
            if(obj.apply(obj,arguments)==false){
                return false;
            }
        }
    }catch(E){
        log(E);
        testValue=false;
    }
    return testValue;
}

function blurHandler(evt)
{
  var testValue = true;
  var obj;
  evt = (evt) ? evt : window.event;
  obj = eval("window.customBlurHandler");
  if(obj != null)
  {
    //自定义方法,形如
    //  /**
    //   * 焦点离开时调用
    //   * @param field 焦点离开域
    //   * @return 允许离开返回true，否则返回false
    //   */
    //  function customBlurHandler(field){
    //    return true;
    //  }
    if(customBlurHandler(this)==false){ //调用自定义方法
      return false;
    }
  }
      
  try{
      obj = eval("this.onblur.prototype." + this.name );
      if(obj != null)
      {
          if(obj.apply(obj,arguments)==false){
              return false;
          }
      }
  }catch(E){
      log(E);
      testValue=false;
  }
  
  var field = this;
  if(field==null || trim(field.value)==""){
    return testValue;
  }
  
  var schemaColumn = getSchemaColumn(this.name);
  if(schemaColumn==null){
      log("字段" + this.name + "没有在ValidateData.js中定义2");
      testValue=true;
  }
  else{
    var bResult = true;
    property = schemaColumn.dataType.toLowerCase();
    if (property=="text"){ //text类型无需校验
        bResult = true;
    }
    else if (property==("byte")){//byte类型无需校验
        bResult = true;
    }
    else if (property=="integer"||property=="int"){
        bResult = isValidateIntegerField(field,schemaColumn);
    }
    else if (property=="smallint"){
        bResult = isValidateSmallintField(field,schemaColumn);
    }
    else if (property=="date"){
        bResult = isValidateDateField(field,schemaColumn);
    }
    else if (property.indexOf("datetime")!=-1){
        bResult = isValidateDateTimeField(field,schemaColumn);
    }
    else if(property.indexOf("varchar")!=-1){
        bResult = isValidateVarcharField(field,schemaColumn);
    }
    else if (property.indexOf("char")!=-1){
        bResult = isValidateCharField(field,schemaColumn);
    }
    else if (property.indexOf("dec")!=-1){
        bResult = isValidateDecimalField(field,schemaColumn);
    }
    else if (property.indexOf("float")!=-1){
        bResult = isValidateDecimalField(field,schemaColumn);
    }
    else if (property.indexOf("number")!=-1){
        bResult = isValidateDecimalField(field,schemaColumn);
    }
    else if (property.indexOf("numeric")!=-1){
        bResult = isValidateDecimalField(field,schemaColumn);
    }
    else{
        //log("警告:"+field.name+"类型为" +property + ".在validateType中没有处理,请联系提供者!");
        bResult = true;
    }
    
    if(bResult==false){          
      showMessage(getErrorMessage(schemaColumn));
      return bResult;
    }
  }
  return testValue;
}

/**
* 默认的提交Form来保存数据的方法
* @param form form
* @param mulLineTableIdList 多行输入域的数据页的table ID,如果是多个，中间用逗号分隔。
* @param skipFieldPrefixs 字段名符合上述前缀即不进行校验。如果是多个，中间用逗号分隔。
* @return 通过true/不通过false
* @since 2004-11-25
*/
function submitFormToSave(form,mulLineTableIdList,skipFieldPrefixs)
{
   if(!confirm("确认要保存信息？")){
     return false;
   }

   return validateForm(form,mulLineTableIdList,skipFieldPrefixs);
}

/**
* 无需确认的提交Form来保存数据的方法
* @param form form
* @param mulLineTableIdList 多行输入域的数据页的table ID,如果是多个，中间用逗号分隔。
* @param skipFieldPrefixs 字段名符合上述前缀即不进行校验。如果是多个，中间用逗号分隔。
* @return 通过true/不通过false
* @since 2005-01-12
*/
function submitFormWithoutConfirm(form,mulLineTableIdList,skipFieldPrefixs)
{
   return validateForm(form,mulLineTableIdList,skipFieldPrefixs);
}