addthemes.aspx.cs

本程序基于 asp.net 2.0 +sql server 2

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using lalablog;
public partial class admin_addThemes : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["admin"] == null)
            Response.Redirect("adminLogin.aspx");
    }


    //第二步，上传图片
    protected void Button2_Click(object sender, EventArgs e)
    {
        string path = Server.MapPath("~/app_themes/" + ViewState["newTheme"].ToString() + "/");
        Label2.Text = path;
        if (Directory.Exists(path) && FileUpload1.HasFile)
            upImage();
       // else
          //  Label2.Text = "未能上传文件";
    }

    private void upImage()
    {
        Boolean fileOK = false;

        string path = Server.MapPath("~/app_themes/" + ViewState["newTheme"].ToString() + "/");
        string filename;
        //检验是否指定后缀
        if (FileUpload1.HasFile)
        {
            string fileExtension = System.IO.Path.GetExtension(FileUpload1.FileName).ToLower();
            String[] allowedExtensions =  { ".gif", ".png", ".jpeg", ".jpg" };
            for (int i = 0; i < allowedExtensions.Length; i++)
            {
                if (fileExtension == allowedExtensions[i])
                    fileOK = true;
            }
            int fileSize = FileUpload1.PostedFile.ContentLength;
            //利用postedFile.ContentLength来判断文件长度,检查是否符合文件大小,250000就是250k字节
            if (fileOK && fileSize < 1000000)
                fileOK = true;
            else
                fileOK = false;
        }

        if (fileOK)
        {
            try
            {
                filename = path + FileUpload1.FileName;
                FileUpload1.PostedFile.SaveAs(filename);
                Label2.Text = "成功上传图片至" + filename;
            }
            catch (Exception ex)
            {
                myfunc m1 = new myfunc(ex.Message);
                Response.Write(m1.JavaMsg());
            }
        }
        else
        {
            myfunc m1 = new myfunc("无法上传的文件类型或文件大小超过允许值");
            Response.Write(m1.JavaMsg());
        }
    }

    private void loadcss()
    {
        string path = Server.MapPath("~/app_themes/" + ViewState["newTheme"].ToString() + "/");
        string blogcss = path + "\\blog.css";
        try
        {
            tbThemeCss.Text = File.ReadAllText( blogcss);
            Label4.Text = "成功读取css文件于" + blogcss;
        }
        catch (Exception ex)
        {
            Label4.Text = ex.Message;
        }
    }


    protected void Button1_Click(object sender, EventArgs e)
    {
        string newThemePath;
        newThemePath = Server.MapPath("~/app_themes/" + Server.HtmlEncode(tbNewTheme.Text));
        if (Directory.Exists(newThemePath))
        {
            Label1.Text = "主题已存在，如果您不更改名字，将对已存在的主题进行编辑，当前编辑的主题是！"+tbNewTheme .Text ;
            ViewState["newTheme"] = tbNewTheme.Text;
            loadcss();
        }
        else
        {
            try
            {
                //新增主题并写入数据库
                Directory.CreateDirectory(newThemePath);
                Label1.Text = "创建新主题成功，当前编辑的主题是" + tbNewTheme.Text;
                ViewState["newTheme"] = tbNewTheme.Text;
                writeToDb();
            }
            catch (Exception ex)
            {
                Label1.Text = ex.Message;
            }
        }
    }

    private void writeToDb()
    {
        string name = ViewState["newTheme"].ToString();
        string sql = "insert into theme(name,about) values('" + name  + "','" + name + "')";

        openDb o1 = new openDb(sql);
        o1.update();
    }

    //编辑css文件
    protected void Button3_Click(object sender, EventArgs e)
    {
        string path = Server.MapPath("~/app_themes/" + ViewState["newTheme"].ToString() + "/");
        string blogcss = path + "\\blog.css";
        try
        {
            File.WriteAllText(blogcss, Server.HtmlEncode(tbThemeCss.Text));
            Label4.Text = "成功写入css文件于" + blogcss;
        }
        catch (Exception ex)
        {
            Label4.Text = ex.Message;
        }
    }

    //上传skin文件

    protected void Button4_Click(object sender, EventArgs e)
    {
       Boolean fileOK = false;

        string path = Server.MapPath("~/app_themes/" + ViewState["newTheme"].ToString() + "/");
        string filename = path + "\\blog.skin"; ;
        //检验是否指定后缀
        if (FileUpload2.HasFile)
        {
            string fileExtension = System.IO.Path.GetExtension(FileUpload2.FileName).ToLower();
             if (fileExtension ==".skin")
                    fileOK = true;
            int fileSize = FileUpload2.PostedFile.ContentLength;
            //利用postedFile.ContentLength来判断文件长度,检查是否符合文件大小,250000就是250k字节
            if (fileOK && fileSize < 10000)
                fileOK = true;
            else
                fileOK = false;
        }

        if (fileOK)
        {
            try
            {
                FileUpload2.PostedFile.SaveAs(filename);
                Label3.Text = "成功上传skin文件至" + filename;
            }
            catch (Exception ex)
            {
                myfunc m1 = new myfunc(ex.Message);
                Response.Write(m1.JavaMsg());
            }
        }
        else
        {
            myfunc m1 = new myfunc("无法上传的文件类型或文件大小超过允许值");
            Response.Write(m1.JavaMsg());
        }

    }

}