vue+php实现的微博留言功能示例

程序员文章站 2022-09-08 19:22:51

本文实例讲述了vue+php实现的微博留言功能。分享给大家供大家参考，具体如下： html部分：

本文实例讲述了vue+php实现的微博留言功能。分享给大家供大家参考，具体如下：

html部分：

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>微博留言</title>
<link href="style/weibo.css" rel="external nofollow" rel="stylesheet" type="text/css" />
<script src="https://cdn.bootcss.com/vue/2.4.4/vue.min.js"></script>
<script src="https://cdn.bootcss.com/vue-resource/1.5.0/vue-resource.js"></script>
  <style>
    [v-cloak]{
      display: none;
    }
  </style>
  <script>
    vue.filter('formatdate',function (date) {
      var odata = new date(date*1000)
      return odata.getfullyear()+'-'+(odata.getmonth()+1)+'-'+odata.getdate()+" "+ odata.gethours()+":"+odata.getminutes()+":"+odata.getseconds()
    });
    window.onload = function () {
      var vm = new vue({
        el:'.znsarea',
        data:{
          usermsg:'',
          msgdict:[],
          url:'weibo.php',
          totalpage :0,
          nowpage:1
        },
        methods:{
          add:function () {
            if(this.usermsg=='') return
            this.$http.get(this.url, {
              params:{
                'act':'add',
                'content':this.usermsg
              }
            }).then(function (res) {
              this.msgdict.unshift({
                'content':this.usermsg,
                'time':res.data.time,
                'acc':0,
                'ref':0,
                'id':res.data.id
              })
              this.usermsg = ''
            })
          },
          loaddata:function (n) {
            this.$http.get(this.url,{
              params:{
                'act':'get',
                'page':n
              }
            }).then(function (res) {
              this.msgdict = res.data
            })
          },
          pagecount:function () {
            this.$http.get(this.url,{
              params:{
                'act':'get_page_count'
              }
            }).then(function (res) {
              this.totalpage = res.data.count
            })
          },
          changepage:function (i) {
            this.nowpage=i
            this.loaddata(i)
          },
          del:function (did) {
            this.$http.get(this.url,{
              params:{
                act:'del',
                id:did
              }
            }).then(function () {
              for(var delitem in this.msgdict){
                if(this.msgdict[delitem].id==did){
                  this.msgdict.splice(this.msgdict[delitem],1)
                }
              }
            })
            this.loaddata(this.nowpage)
          },
          acc:function (mid) {
            this.$http.get(this.url,{
              params:{
                act:'acc',
                id:mid
              }
            }).then(function () {
              for(var item in this.msgdict){
                if(this.msgdict[item].id==mid){
                  this.msgdict[item].acc +=1
                }
              }
            })
          },
          ref:function (mid) {
            this.$http.get(this.url,{
              params:{
                act:'ref',
                id:mid
              }
            }).then(function () {
              for(var item in this.msgdict){
                if(this.msgdict[item].id==mid){
                  this.msgdict[item].ref +=1
                }
              }
            })
          }
        },
        created:function () {
          this.loaddata(1)
          this.pagecount()
        }
      })
    }
  </script>
</head>
<body>
<div class="znsarea">
<!--留言-->
   <div class="takecomment">
    <textarea name="textarea" class="taketextfield" id="tijiaotext" v-model="usermsg" @keydown.enter="add"></textarea>
    <div class="takesbmcomment">
      <input type="button" class="inputs" value="" @click="add" @keydown.enter="add"/>
      <span>(可按 enter 回复)</span>
    </div>
  </div>
<!--已留-->
  <div class="commenton">
    <div class="nocontent" v-show="msgdict.length==0">暂无留言</div>
    <div class="messlist">
      <div class="reply" v-for="item in msgdict">
        <p class="replycontent" v-text="item.content"></p>
        <p class="operation">
          <span class="replytime" v-cloak>{{item.time|formatdate}}</span>
          <span class="handle">
            <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="top" v-text="item.acc" @click="acc(item.id)"></a>
            <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="down_icon" v-text="item.ref" @click="ref(item.id)"></a>
            <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="cut" @click="del(item.id)">删除</a>
          </span>
        </p>
      </div>
    </div>
    <div class="page">
      <span v-for="i in totalpage">
        <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" @click="changepage(i)" v-text="i" :class="{active:i==nowpage}"></a>
      </span>
    </div>
  </div>
</div>
</body>
</html>

php部分：

<?php
/*
**********************************************
  author:  blue@zhinengshe.com
  date:  2012-4-5
  usage:
      weibo.php?act=add&content=xxx  添加一条
        返回：{error:0, id: 新添加内容的id, time: 添加时间}
      weibo.php?act=get_page_count  获取页数
        返回：{count:页数}
      weibo.php?act=get&page=1    获取一页数据
        返回：[{id: id, content: "内容", time: 时间戳, acc: 顶次数, ref: 踩次数}, {...}, ...]
      weibo.php?act=acc&id=12      顶某一条数据
        返回：{error:0}
      weibo.php?act=ref&id=12      踩某一条数据
        返回：{error:0}
  注意：  服务器所返回的时间戳都是秒（js是毫秒）
**********************************************
*/
//创建数据库之类的
$db=@mysql_connect('localhost:3307', 'root', '') or @mysql_connect('localhost', 'root', 'admin');
mysql_query("set names 'utf8'");
mysql_query('create database zns_ajax');
mysql_select_db('zns_ajax');
$sql= <<< end
create table `zns_ajax`.`weibo` (
`id` int not null auto_increment primary key ,
`content` text not null ,
`time` int not null ,
`acc` int not null ,
`ref` int not null
) character set utf8 collate utf8_general_ci
end;
mysql_query($sql);
//正式开始
//header('content-type:zns/json');
$act=$_get['act'];
$page_size=6;
switch($act)
{
  case 'add':
    $content=urldecode($_get['content']);
    $time=time();
    $content=str_replace("\n", "", $content);
    $sql="insert into weibo (id, content, time, acc, ref) values(0, '{$content}', {$time}, 0, 0)";
    mysql_query($sql);
    $res=mysql_query('select last_insert_id()');
    $row=mysql_fetch_array($res);
    $id=(int)$row[0];
    echo "{\"error\": 0, \"id\": {$id}, \"time\": {$time}}";
    break;
  case 'get_page_count':
    $sql="select count(*)/{$page_size}+1 from weibo";
    mysql_query($sql);
    $res=mysql_query($sql);
    $row=mysql_fetch_array($res);
    $count=(int)$row[0];
    echo "{\"count\": {$count}}";
    break;
  case 'get':
    $page=(int)$_get['page'];
    if($page<1)$page=1;
    $s=($page-1)*$page_size;
    $sql="select id, content, time, acc, ref from weibo order by time desc limit {$s}, {$page_size}";
    $res=mysql_query($sql);
    $aresult=array();
    while($row=mysql_fetch_array($res))
    {
      $arr=array();
      array_push($arr, '"id":'.$row[0]);
      array_push($arr, '"content":"'.$row[1].'"');
      array_push($arr, '"time":'.$row[2]);
      array_push($arr, '"acc":'.$row[3]);
      array_push($arr, '"ref":'.$row[4]);
      array_push($aresult, implode(',', $arr));
    }
    if(count($aresult)>0)
    {
      echo '[{'.implode('},{', $aresult).'}]';
    }
    else
    {
      echo '[]';
    }
    break;
  case 'acc':
    $id=(int)$_get['id'];
    $res=mysql_query("select acc from weibo where id={$id}");
    $row=mysql_fetch_array($res);
    $old=(int)$row[0]+1;
    $sql="update weibo set acc={$old} where id={$id}";
    mysql_query($sql);
    echo '{"error":0}';
    break;
  case 'ref':
    $id=(int)$_get['id'];
    $res=mysql_query("select ref from weibo where id={$id}");
    $row=mysql_fetch_array($res);
    $old=(int)$row[0]+1;
    $sql="update weibo set ref={$old} where id={$id}";
    mysql_query($sql);
    echo '{"error":0}';
    break;
  case 'del':
    $id=(int)$_get['id'];
    $sql="delete from weibo where id={$id}";
    //echo $sql;exit;
    mysql_query($sql);
    echo '{"error":0}';
    break;
}
?>

css部分：

@charset "utf-8";body,ul,ol,li,dl,dt,dd,p,h1,h2,h3,h4,h5,h6,form,fieldset,table,td,img,div{margin:0;padding:0;border:0}
body{font-size:12px;font-family:"microsoft yahei"}
ul,ol{list-style-type:none}
select,input,img,select{vertical-align:middle}
a{text-decoration:underline;color:#313030}
a{blr:expression(this.onfocus=this.blur())}
input,textarea{outline:0;resize:none}
a{outline:0}
.znsarea{width:755px;overflow:hidden;margin:0 auto;font-family:"microsoft yahei"}
.commenton{width:753px;display:block;overflow:hidden;border:#a5bcff solid 1px;background:#f3f8fd;margin-top:25px;font-family:verdana}
.reply{overflow:hidden;padding:10px 20px;background:#fff;border-top:#e9e9e9 solid 1px;border-bottom:#e9e9e9 solid 1px}
.userinfo{display:block;overflow:hidden;height:25px;border-bottom:#bababa solid 1px}
.username{float:left;background:url(../img/userbj.png) left center no-repeat;padding-left:15px;color:#000;font-size:14px;font-weight:bold}
.replytime{float:left;color:#8b8585;line-height:30px;font-size:11px}
.replycontent{line-height:24px;font-size:14px;color:#2b2b2b;font-family:"microsoft yahei"}
.operation{clear:both;width:100%;height:30px;margin-top:8px}
.handle{float:right;padding-top:6px}
.handle a{text-decoration:none;float:left;margin-left:12px;background:url(../img/icons.png) 0 0 no-repeat;height:18px;line-height:18px;padding-left:20px}
.handle .top_icon{background-position:0 0}
.handle .down_icon{background-position:0 -17px}
.handle .cut{background-position:0 -33px}
.handle a:active{color:#09f}
.nocontent{text-align:center;display:block;background:#fff;font:14px/2.3 "microsoft yahei";border-bottom:#e9e9e9 solid 1px;border-top:#e9e9e9 solid 1px;color:#999}
.takecomment{width:713px;display:block;overflow:hidden;border:#a5bcff solid 1px;background:#f3f8fd;margin-top:25px;font-family:verdana;padding:15px 20px}
.taketextfield{width:701px;height:70px;border:#b1b1b1 solid 1px;clear:both;display:block;margin:10px 0 10px 0;line-height:20px;padding:5px;box-shadow:inset 0 0 5px #ddd;font-family:"microsoft yahei"}
.takesbmcomment{display:block;overflow:hidden}
.takesbmcomment span{float:right;color:#ccc;line-height:37px;padding-right:10px}
.inputs{float:right;width:125px;height:37px;border:none 0;background:tranparent;background:url(../img/takesbmcomment.png) left top no-repeat;cursor:pointer;opacity:.8}
.inputs:hover{opacity:1}
.inputs:active{opacity:.9}
.messlist{overflow:hidden}
.page{text-align:right;font-size:0;font-family:verdana;padding:10px 16px}
.page a{display:inline-block;height:20px;padding:0 7px;border:#ccc solid 1px;font:12px/20px verdana;text-decoration:none;margin-left:5px;background:#fff}
.page a:hover{background:#09f;color:#fff;border-color:#09f}
.page .active{background:#ccc}
.page a:active{opacity:.8}

希望本文所述对大家vue.js程序设计有所帮助。

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