标签：com http class img java c t tar javascript sp ext
<%@ WebHandler Language="C#" Class="Search_Book" %>
using System;
using System.Web;
public class Search_Book : IHttpHandler {
public void
ProcessRequest (HttpContext context) {
context.Response.ContentType =
"text/plain";
string txtTitle = context.Request["txtTitle"];
string
txtAuthor = context.Request["txtAuthor"];
string txtPress =
context.Request["txtPress"];
string sql = @"select * from Item where 1=1 ";
System.Data.DataTable dt;
if
(!string.IsNullOrEmpty(txtTitle))
{
sql += @"
and ItemName like ‘%" + @txtTitle + "%‘ ";
}
if (!string.IsNullOrEmpty(txtAuthor))
{
sql += @" and BookAuthor like ‘%" + @txtAuthor + "%‘ ";
}
if (!string.IsNullOrEmpty(txtPress))
{
sql += @" and publisher like ‘%" + @txtPress + "%‘ ";
}
if (!string.IsNullOrEmpty(txtTitle))
{
dt = SqlHelper.ExecuteDataTable(sql, new
System.Data.SqlClient.SqlParameter(@txtTitle, txtTitle));
}
else if (!string.IsNullOrEmpty(txtAuthor))
{
dt = SqlHelper.ExecuteDataTable(sql, new
System.Data.SqlClient.SqlParameter(@txtAuthor, txtAuthor));
}
else if (!string.IsNullOrEmpty(txtPress))
{
dt = SqlHelper.ExecuteDataTable(sql, new
System.Data.SqlClient.SqlParameter(@txtPress, txtPress));
}
else if (!string.IsNullOrEmpty(txtTitle) &&
!string.IsNullOrEmpty(txtAuthor))
{
dt =
SqlHelper.ExecuteDataTable(sql, new
System.Data.SqlClient.SqlParameter(@txtTitle, txtTitle), new
System.Data.SqlClient.SqlParameter(@txtAuthor, txtAuthor));
}
else if (!string.IsNullOrEmpty(txtTitle) &&
!string.IsNullOrEmpty(txtPress))
{
dt =
SqlHelper.ExecuteDataTable(sql, new
System.Data.SqlClient.SqlParameter(@txtTitle, txtTitle), new
System.Data.SqlClient.SqlParameter(@txtPress, txtPress));
}
else if (!string.IsNullOrEmpty(txtAuthor)
&& !string.IsNullOrEmpty(txtPress))
{
dt = SqlHelper.ExecuteDataTable(sql, new
System.Data.SqlClient.SqlParameter(@txtAuthor, txtAuthor), new
System.Data.SqlClient.SqlParameter(@txtPress, txtPress));
}
else if (!string.IsNullOrEmpty(txtTitle) &&
!string.IsNullOrEmpty(txtAuthor) && !string.IsNullOrEmpty(txtPress))
{
dt = SqlHelper.ExecuteDataTable(sql, new
System.Data.SqlClient.SqlParameter(@txtTitle, txtTitle), new
System.Data.SqlClient.SqlParameter(@txtAuthor, txtAuthor), new
System.Data.SqlClient.SqlParameter(@txtPress, txtPress));
}
dt = SqlHelper.ExecuteDataTable(sql);
if (dt.Rows.Count > 0)
{
// lblShow.Text = "";
//object[] datas = new object[dt.Rows.Count];
//for (int i = 0; i < datas.Length; i++)
//{
// System.Data.DataRow row = dt.Rows[i];
//
DateTime addDT = (DateTime)row["AddTime"];
// datas[i] =
new { BookId = row["BookId"], BookAuthor = row["BookAuthor"], Publisher =
row["Publisher"], PublishDate = addDT.ToString(), BookPrice = row["BookPrice"],
ItemName = row["ItemName"], ItemImage = row["ItemImage"] };
//}, ListPrice = row["ListPrice"]
//string json = new
System.Web.Script.Serialization.JavaScriptSerializer().Serialize(datas);
object[] comments = new object[dt.Rows.Count];
for (int i = 0; i < comments.Length; i++)
{
System.Data.DataRow row = dt.Rows[i];
DateTime creatDT = (DateTime)row["PublishDate"];
comments[i] = new { BookId = row["BookId"], BookAuthor = row["BookAuthor"],
Publisher = row["Publisher"], PublishDate = creatDT.ToString("yyyy-MM-dd"), img
= row["ItemImage"], ListPrice = row["ListPrice"], ItemName = row["ItemName"]
};
}
string json = new
System.Web.Script.Serialization.JavaScriptSerializer().Serialize(comments);
context.Response.Write(json);
}
else if (dt.Rows.Count <= 0)
{
context.Response.Write("error_1");
}
}
public bool IsReusable {
get {
return false;
}
}
}
标签：com http class img java c t tar javascript sp ext
原文地址：http://www.cnblogs.com/cxzbk/p/3701304.html
