// 对外接口↓
/**
* 从Map<String,Object>创建一个QueryString，以指定的字符集编码
* @exception IllegalArgumentException 当map不合法时
* @exception UnsupportedCharsetException 当字符编码不受支持时
*/
static public QueryStringBuilder CreateQueryStringFromMap(IDictionary <string, string> map)
{
if (map == null || map.Count == 0)
{
throw new ArgumentException();
}
bool isFirst = true;
QueryStringBuilder builder = new QueryStringBuilder();
foreach (var kv in map)
{
builder.AddParam(kv.Key, kv.Value, isFirst);
isFirst = false;
}
return(builder);
}
/**
* 创建一个QueryString，并设定首个名值对，以指定的字符集编码
* @exception IllegalArgumentException 当name为null或空时
* @exception UnsupportedCharsetException 当字符编码不受支持时
*/
static public QueryStringBuilder CreateQueryString(String name, String value)
{
QueryStringBuilder builder = new QueryStringBuilder();
return(builder.AddParam(name, value, true));
}
