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| 关键词： echo 首页 username false 上一 strrpos php varchvr counterFile name |
数据库结构：(库名：lyb)表一: admin字段: id(int11) name(varchvr) password(varchvr) 表二: lo字段: id(int11) username(varchvr) sex(varchvr) qq(varchvr) email(varchvr) info(text) ip(varchvr) submit_time(datetime) 1 conn.php(连接数据库文件) <?phpmysql_connect("localhost","root","");//连接数据库mysql_select_db("lyb");//选择数据库?> 2 header.php(公用头部文件) <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>PHP和MYSQL联合打造简单留言本程序</title></head><link href="css.css" rel="stylesheet" type="text/css" /><body><div id="head"><div id="head_l"><ul><li><a href="index.php">偶要看留言</a></li><li><a href="post.php">偶要发表</a></li><?phpsession_start();if(_SESSION["key"]==1){//如果获取的SESSION为1则显示管理项?><li><a href="adminexit.php">退出管理</a></li><?}else{?><li><a href="admin.php">偶要管理</a></li><?}?></ul></div><div id="head_r">PHP和MYSQL联合打造简单留言本程序</div></div> 3 footer.php(公用底部文件) <?phpcounterFile="conter.xml";function displayCounter(counterFile){fp = fopen(counterFile,"rw");num = fgets(fp,5);num += 1;print "<div id=\"footer\">简单留言板 您是第 "."num"." 位无聊的银</div>";exec("rm -rf counterFile");exec("echo num > counterFile");}if(!file_exists(counterFile)){exec("echo 0 > counterFile");}displayCounter(counterFile);?></body></html> 4 index.php(首页) <?phprequire_once("conn.php");require_once("header.php");session_start();//分页代码开始pagesize = 10;//设置每页显示条数rs = mysql_query("select count(*) from lo");//取得记录总数，计算总页数用myrow = mysql_fetch_array(rs);numrows = myrow[0];//计算总记录pages = intval(numrows/pagesize);if(numrows%pagesize)pages++;//设置页数if(isset(_GET['page'])){page = intval(_GET['page']);}else{page = 1;//设为第一页}offset = pagesize*(page-1);//计算记录偏移量//分页代码结束sql = "select id,username,sex,qq,email,info,ip,DATE_FORMAT(submit_time, '%Y年%m月%d日 %T' ) from lo order by id desc limit offset,pagesize";//用到了DATE-FORMAT格式化日期格式result = mysql_query(sql);num = mysql_num_rows(result);if(num>0){while(row = mysql_fetch_array(result)){//echo print_r(row);if(row[2]=="男")//这个使性别改成你想要的名称^_^{sex = "帅锅";}else{sex = "美女";}?><div id="show"><p class="num">第 [<?= row[0] ?>] 条留言<p><p class="unline">留言人:<span class="blue"><?= row[1]?></span> 性别:<?= sex ?> 留言时间：<?= row[7] ?> <? if(row[3]) {?> <a href="http://wpa.qq.com/msgrd?V=1&Uin=<?= row[3] ?>&Site=http://www.webjx.com&Menu=yes"><img src="img/qq.webp" alt="<?= row[3]?>" /></a><? } ?><? if(row[4]){ ?> <a href="mailt<?= row[4] ?>"><img src="img/email.webp" alt="<?= row[4]?>" /></a> <? }?><? if(_SESSION["key"]==1){ ?> IP:<?= row[6] ?> <a href="update.php?wuleying&id=<?= row[0]?>">更改</a> <a href="delete.php?wuleying&id=<?= row[0]?>">删除</a><?}?></a></p><p class="blue">留言内容:</p><div id="show_info"><?= nl2br(htmlspecialchars(row[5])) ?></div></div><?php}}else{echo "<div id=\"show\">无数据......</div>";}?><div id="show_page"><p><?phpfirst=1;prev=page-1;next=page+1;last=pages;if(page==1&&pages>1){echo "首页 | ";echo "上一页 | ";echo "<a href=\"index.php?page=".next."\">下一页</a> | ";echo "<a href=\"index.php?page=".last."\">尾页</a> | ";}elseif(page>=1&&page!=pages&&num>0){echo "<a href=\"index.php?page=".first."\">首页</a> | ";echo "<a href=\"index.php?page=".prev."\">上一页</a> | ";echo "<a href=\"index.php?page=".next."\">下一页</a> | ";echo "<a href=\"index.php?page=".last."\">尾页</a> | ";}elseif(page==pages&&page!=1){echo "<a href=\"index.php?page=".first."\">首页</a> | ";echo "<a href=\"index.php?page=".prev."\">上一页</a> | ";echo "下一页 | ";echo "尾页 | ";}elseif(page==pages){echo "首页 | ";echo "上一页 | ";echo "下一页 | ";echo "尾页 | "; }else{echo "首页 | ";echo "上一页 | ";echo "下一页 | ";echo "尾页 | ";}?>共 <span><?= pages ?></span> 页 | 当前第 <span><?= page ?></span> 页 | 共 <span><?=numrows ?></span> 条留言</p></div><?phpmysql_close();?><?phprequire_once("footer.php");?> 5 post.php(提交留言页面) <?require_once("header.php");?><div id="input"><form method="post" action="input.php" name="form1"><h1>提交留言</h1><p>姓名 ：<input type="text" name="name" size="20" class="y" /> </p><p>性别 ：<input name="sex" type="radio" value="男" checked/> 帅锅 <input type="radio" name="sex" value="女"/> 美女</p><p>Q Q ：<input type="text" name="qq" class="y" /> (可选填)</p><p>Email：<input type="text" name="email" class="y" /> (可选填)</p><p>留言内容：</p><p><textarea name="info" rows="5" cols="40"></textarea></p><p class="cen"><input type="submit" value="偶填好了" /><input type="reset" value="偶要重写"></p><p class="cen1">留言板 Version 1.0</p></form></div></body></html> 6 input.php(插入留言) <?phprequire_once("conn.php");username = _POST['name'];sex = _POST['sex'];qq = _POST['qq'];email = _POST['email'];info = _POST['info'];if (strrpos(username,"<")!==false || strrpos(username,">")!==false||strrpos(username,"@")!==false||strrpos(username,"\"")!==false||strrpos(username,"'")!==false||strrpos(username,"_")!==false){echo "<script>alert('名称不能有特殊字符！');location.href='post.php';</script>";exit();}if (!ereg("^[0-9]{0,}",qq))//用正则检查QQ格式{echo "<script>alert('OICQ信息有错误！必须是数字！');location.href='post.php';</script>";exit();}if(email){//如果填写了邮箱就用正则检查邮箱格式if (!ereg("^[a-zA-Z0-9_\-\.]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-\.]+",email)){echo "<script>alert('email格式不正确！');location.href='post.php';</script>";exit();}}if(!username){echo "<script>alert('名称不能为空哦！');location.href='post.php';</script>";exit();}elseif(!info){echo "<script>alert('留言不能为空哦！');location.href='post.php';</script>";exit();}else{ip = getenv('REMOTE_ADDR');//获取客户端IP地址sql = "insert into lo (username,sex,qq,email,info,ip,submit_time) values ('username','sex','qq','email','info','ip',NOW())";result = mysql_query(sql);mysql_close();echo "<script>alert('提交成功！返回首页');location.href='index.php';</script>";}?> 7 update.php(修改留言页) <?phpsession_start();require_once('conn.php');require_once('header.php');if(_SESSION["key"]==1){id = _GET['id'];sql = "select * from lo where id= ".id;result = mysql_query(sql);row = mysql_fetch_array(result);?><div id="update"><form action="updatepost.php?wuleying&id=<?= row[0] ?>" method="post"><h1>修改留言</h1><p>姓名：<input type="text" value="<?= row[1]?>" name="name" class="y"></input></p><p>留言：</p><p><textarea name="info" rows="5" cols="35"><?= row[5] ?></textarea></p><p class="cen"><input type="submit" value="偶要修改" /></p><p class="cen1">留言板 Version 1.0</p></form><div><?php}else{header('location:index.php');}?> 8 updatepost(修改提交页) <?phprequire_once('conn.php');username = _POST['name'];info = _POST['info'];id = _GET['id'];//echo id;sql = "update lo set username= '".username."',info='".info."' where id=".id;mysql_query(sql);echo "<script>alert('修改成功！');location.href='index.php';</script>";?> 9 delete.php(删除留言页) <?phpsession_start();require_once('conn.php');id=_GET['id'];if(_SESSION["key"]==1){sql = "delete from lo where id=".id;mysql_query(sql);echo "<script>location.href='index.php'</script>";}else{header('location:index.php');}?> 10 admin.php(管理登录页) <?phprequire_once('conn.php');require_once('header.php');?><div id="admin"><form method="post" action="adminpost.php"><h1>管理员登录</h1><p>姓名 : <input type="text" name="name" size="20" class="y" /> </p><p>密码 : <input type="password" name="password" size="20" class="y" /> </p><p class="cen"><input type="submit" value="管理员登录" /></p><p class="cen1">留言板 Version 1.0</p></form></div> 11 adminpost.php(管理验证页) <?phpsession_start();require_once('conn.php');name = _POST['name'];password = _POST['password'];sql = "select * from admin where name='".name."'";result = mysql_query(sql);num = mysql_num_rows(result);if (strrpos(name,"<")!==false || strrpos(name,">")!==false||strrpos(name,"@")!==false||strrpos(name,"\"")!==false||strrpos(name,"'")!==false||strrpos(name,"_")!==false){echo "<script>alert('不能有特殊字符！');location.href='admin.php';</script>";}if(num){//如果用户存在，就检查密码是否正确rs = mysql_fetch_array(result);if(rs[2]!=password){echo "<script>alert('密码不正确，请确认后输入！');location.href='admin.php';</script>";}else{//用户名，密码都正确，注册SESSION变量，然后跳转到首页_SESSION["key"]=1;echo "<script>alert('登录成功！');location.href='index.php';</script>";}}else{//如果没有这个用户echo "<script>alert('没有这个用户，请确认后输入！');location.href='admin.php';</script>";}?> 12 adminexit.php(退出管理页) <?phpsession_start();_SESSION["key"] = 0;//使SESSION不为1，0为游客，1为管理员header('location:index.php');?> 只是些基本的东东，像MD5加密，UBB，表情图片,添加管理员账号，回复留言(-_!!)等我都没加上去，有兴趣的同学可以完善下。 |
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