6.21留言板

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <link rel="stylesheet" type="text/css" href="../0614/public/bootstrap/css/bootstrap.min.css"/>
    <script src="../0613/public/jquery/jquery-3.3.1.min.js" type="text/javascript" charset="utf-8"></script>
    <script src="../0614/public/bootstrap/js/bootstrap.min.js" type="text/javascript" charset="utf-8"></script>
    <title>Document</title>
</head>
<body>
    开发区内部留言板
    <div>帐号:<input type="text" id="uid" onblur="zhuce()"></div>
    <div>口令:<input type="text" id="pwd"></div>
    <input type="submit" value="登陆"  onclick="denglu()"><input type="submit" value="注册" >
</body>
</html>
<script type="text/javascript">
    function denglu(){
        var uid =document.getElementById("uid").value;
        var pwd =document.getElementById("pwd").value;
        $.ajax({
            type:"post",
            url:"lycl.php",
            async:true,
            data:{
                type:"denglu",
                uid:uid,
                pwd:pwd
            },
            dataType:"text",
            success:function(data){
                if(data=="ok"){
                    window.location.href = "main.php";
                }
                else if(data=="no"){
                    alert("输入有误");
                }
            }
            
            
        });
    }
    function zhuce(){
        var uid =document.getElementById("uid").value;
        var pwd =document.getElementById("pwd").value;
        $.ajax({
            type:"post",
            url:"lycl.php",
            async:true,
            data:{
                type:"zhuce",
                uid:uid,
                pwd:pwd
            },
            dataType:"text",
            success:function(data){
                if(data=="cf"){
                    alert("注册名重复");
                }
<?php
    session_start();
    if(empty($_SESSION["uid"]))
    {
        header("location:liuyan.php");    
        exit;
    }
?>
<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <link rel="stylesheet" type="text/css" href="../0614/public/bootstrap/css/bootstrap.min.css"/>
    <script src="../0613/public/jquery/jquery-3.3.1.min.js" type="text/javascript" charset="utf-8"></script>
    <script src="../0614/public/bootstrap/js/bootstrap.min.js" type="text/javascript" charset="utf-8"></script>
    <title>Document</title>
    <style type="text/css">
        *{
            margin: 0px auto;
            padding: 0px;
        }
        .title{
            width: 1260px;
            border: 1px solid gray;
        }
        .title_box{
            height: 100px;
            font-size: 28px;
            text-align: left;
            line-height: 100px;
            margin-left: 20px;
            border: 1px solid gray;
        }
        .nav{
            width: 1260px;
            border: 1px solid gray;
        }
        .nav_box{
            width: 500px;
            height: 50px;
            margin-left: 20px;
            border: 1px solid gray;
        }
        .nav_but{
            width: 100px;
            height: 30px;
            margin-top: 10px;
            float: left;
            line-height: 30px;
            text-align: center;
            margin-right: 20px;
            border: 1px solid gray;
        }
        .nav_but:hover{
            cursor: pointer;
        }
        .nav_text{
            height: 30px;
            margin-top: 10px;
            float: left;
            line-height: 30px;
        }
        .room{
            width: 1260px;
            height: 450px;
            border: 1px solid gray;
        }
        .room_boxa{
            width: 200px;
            height: 450px;
            margin-left: 20px;
            float: left;
            border: 1px solid gray;
        }
        .room_but{
            width: 100px;
            height: 30px;
            margin-top: 10px;
            line-height: 30px;
            text-align: center;
            border: 1px solid gray;
        }
        .room_but:hover{
            cursor: pointer;
        }
        .room_boxb{
            width: 1000px;
            height: 450px;
            margin-left: 20px;
            float: left;
            border: 1px solid gray;
        }
    
        .table{
            border: 1px solid gray;
        }
        #fybut{
            font-size: 18px;
            text-align: center;
        }
        #fybut:hover{
            cursor: pointer;
        }
        .room_room{
            height: 360px;
        }
    </style>
</head>
<body>
    <div class="title">
        <div class="title_box">
            开发部内部留言板
        </div>
    </div>
    <div class="nav">
        <div class="nav_box">
            <div class="nav_but">返回首页</div>
            <div class="nav_but" onclick="zhuxiao()">退出系统</div>
            <div class="nav_text"><?php echo $_SESSION["uid"];?> 欢迎您登陆本系统</div>
        </div>
    </div>
    <div class="room">
        <div class="room_boxa">
            <div class="room_but" class="btn btn-primary" data-toggle="modal" data-target="#myModal">发布信息</div>
            <div class="room_but" onclick="chakan()">查看信息</div>
            <div class="room_but" onclick="zhuxiao()">注销</div>
        </div>
        <div class="room_boxb">
            <div class="room_room">
                <table class="room_count table">
                
                </table>
            </div>
            
        </div>
    </div>
    <!--================模态框============-->
<!-- 模态框 -->
<div class="modal fade" id="myModal">
  <div class="modal-dialog">
    <div class="modal-content">
 
      <!-- 模态框头部 -->
      <div class="modal-header">
        <h4 class="modal-title">模态框头部</h4>
        <button type="button" class="close" data-dismiss="modal">&times;</button>
      </div>
 
      <!-- 模态框主体 -->
      <div class="modal-body">
        
        <h1>信息发送</h1>
        <table width="300" border="1" bordercolor="#0033CC" cellpadding="1" cellspacing="1">
        <tr><td align="right" width="200">接收人:</td>
           <td>
           <select id="rec">
           <option  value="all">所有人</option>
          <?php
         $conn = new mysqli("localhost","root","","ceshi2");
         $conn->connect_error?die("链接失败"):"";
         $uid = $_SESSION["uid"];
         $sql = "select a.Name,b.friend from yuangong as a,friend as b where a.UserName = b.friend and b.me='{$uid}'";
         $r = $conn->query($sql);
         $attr1=$r->fetch_all();
         for($i=0;$i<count($attr1);$i++){
         echo "<option value='{$attr1[$i][1]}'>{$attr1[$i][0]}</option>";
         }
         ?>
           </select>
           </td>
        </tr>
        <tr><td align="right">信息内容:</td><td><textarea  id="com"></textarea></td></tr>
        </table>
      </div>
 
      <!-- 模态框底部 -->
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal" onclick="fabu()">发布</button>
      </div>
 
    </div>
  </div>
</div>
</body>
</html>
<script type="text/javascript">
    var tab =document.getElementsByTagName("table")[0];
    function chakan() {
        $.ajax({
            type:"post",
            url:"lycl.php",
            async:true,
            data:{
                type:"chakan"
            },
            dataType:"json",
            success:function(data){
                var str = "";
                str +="<td>序号</td><td>发送人</td><td>接收人</td><td>时间</td><td>内容</td><td>states</td>";
                for(i=0;i<data.length;i++){
                    str+="<tr>";
                    for(j=0;j<data[i].length;j++){
                        str+="<td>"+data[i][j]+"</td>";
                        }    
                    str+="</tr>";    
                        }
                tab.innerHTML= str;
            }
        });
    }
    function fabu(){
        var rec = document.getElementById("rec").value
        var com = document.getElementById("com").value;
        $.ajax({
            type:"post",
            url:"lycl.php",
            async:true,
            data:{
                type:"fabu",
                rec:rec,
                com:com
            },
            dataType:"text",
            success:function(data){
                if(data.trim()=="ok"){
                    alert("发布成功");
                }
            }
        });
    }
    function zhuxiao() {
        $.ajax({
            type:"post",
            url:"lycl.php",
            async:true,
            data:{
                type:"zhuxiao"
            },
            dataType:"text",
            success:function(data){
            window.location.href = "liuyan.php";
            }
        });
    }
</script>
<?php
    session_start();
    $type = $_POST['type'];
    $conn = new mysqli("localhost","root","","ceshi2");
    $conn->connect_error?die("链接失败"):"";
    switch($type){
        case "denglu":
        $uid = $_POST["uid"];
        $pwd = $_POST["pwd"];
        $sql = "select * from yuangong where UserName = '{$uid}' and PassWord = '{$pwd}'";
        $result=$conn->query($sql);
        $attr=$result->fetch_all();
        if($attr != null){
            $_SESSION["uid"] = $uid; 
            echo "ok";
            }
            else if($attr == null){
                echo "no";
            };  
        break;
        case "chakan":
        $uid = $_SESSION["uid"];
        $sql = "select * from liuyan where Recever = '{$uid}' or Recever='all'" ;
        $result = $conn->query($sql);
        $attr = $result->fetch_all();
        echo json_encode($attr);
        break;
        
        case "zhuxiao":
        session_destroy(); 
        break;
        
        case "zhuce":
        $uid = $_POST["uid"];
        $sql ="select username from yuangong where username='{$uid}'";
        $result = $conn->query($sql);
        $attr = $result->fetch_row();
        if($attr != null){
            echo "cf";
        };
        break;
        
         
        case "fabu":
        $sender = $_SESSION["uid"];
        $rec = $_POST["rec"];
        $com = $_POST["com"];
        $time = date("Y-m-d H:i:s",time()); 
        $sql = "insert into LiuYan values('','{$sender}','{$rec}','{$time}','{$com}','')";     
        if($result = $conn->query($sql)){
                 echo "ok";
        }
        break;
        
    }
    
    
?>

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转载自www.cnblogs.com/sunhao1987/p/9210861.html