protected enum_PageMode GetCurrentPageMode()
{
enum_PageMode tempMode = enum_PageMode.WordDesc;
if (Session["CurrentPageMode"] == null)
{
tempMode = enum_PageMode.WordDesc;
Session["CurrentPageMode"] = 0;
}
else if (Convert.ToInt32(Session["CurrentPageMode"]) == 0)
{
tempMode = enum_PageMode.WordDesc;
}
else if (Convert.ToInt32(Session["CurrentPageMode"]) == 1)
{
tempMode = enum_PageMode.CompleteSentence;
}
else if (Convert.ToInt32(Session["CurrentPageMode"]) == 2)
{
tempMode = enum_PageMode.Synonyms;
}
return(tempMode);
}
protected string[] GetOptions(enum_PageMode pageMode, int rowId)
{
//返回的数组中，前4个为选项
//第5个为正确答案索引
string[] straryOptions = new string[5];
//bool blRowIdFound = false;
//int intRowIdIndex = 0;
int PerUnitWordsAmount = Convert.ToInt32(ConfigurationManager.AppSettings["PerUnitWordsAmount"]);
int[] array1 = UseDoubleArrayToNonRepeatedRandom(PerUnitWordsAmount);
int seed = Guid.NewGuid().GetHashCode();
Random rnd = new Random(seed);
int currentWordOptionKey = rnd.Next(4);
for (int i = 0; i < array1.Length; i++)
{
if (array1[i] == rowId) //说明i对应的词中是待测的词
{
int temp = array1[currentWordOptionKey];
array1[currentWordOptionKey] = array1[i];
array1[i] = temp;
}
}
/*
* for (int i = 0; i <= 3; i++)
* {
* if (array1[i] == rowId) //说明随机选的4个词中正好有待测的词，
* {
* blRowIdFound = true;
* intRowIdIndex = i;
* }
* }
*
* if (!blRowIdFound)
* {
*
* //随机指定一个索引，替换成答案id
* Random rnd = new Random();
* int rndKey = rnd.Next(4);
* array1[rndKey] = rowId;
* intRowIdIndex = rndKey;
* }*/
int findIndexStart = currentWordOptionKey;
for (int i = 0; i <= 3; i++)
{
if (pageMode == enum_PageMode.WordDesc)
{
straryOptions[i] = GetWordRdnDesc(array1[i]); //GetWordAllDesc(array1[i]);
}
else if (pageMode == enum_PageMode.CompleteSentence)
{
straryOptions[i] = GetWordBody(array1[i]);
}
else if (pageMode == enum_PageMode.Synonyms)
{
string synonymsFound = string.Empty;
if (i != currentWordOptionKey)
{
while (synonymsFound == string.Empty && findIndexStart < array1.Length - 1)
{
findIndexStart++;
string wordId = GetWordId(array1[findIndexStart]);
synonymsFound = GetWordSynonyms(wordId);
}
}
else
{
string wordId = GetWordId(array1[i]);
synonymsFound = GetWordSynonyms(wordId);
}
if (synonymsFound == string.Empty)
{
synonymsFound = "NO Synonyms found";
}
straryOptions[i] = synonymsFound;
}
}
straryOptions[4] = currentWordOptionKey.ToString();
return(straryOptions);
}
