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    .vote{width:288px; height:300px; margin:40px auto;position:relative}
    .votetitle{width:100%;height:62px; background:url(/static/index/images/icon.png) no-repeat 0 30px; font-size:15px}
    .red{position:absolute; left:0; top:64px; height:80px;}
    .blue{position:absolute; right:0; top:64px; height:80px;}
    .red p,.blue p{line-height:22px}
    .redhand{position:absolute; left:0;width:36px; height:36px; background:url(/static/index/images/icon.png) no-repeat -1px -38px;cursor:pointer}
    .bluehand{position:absolute; right:0;width:36px; height:36px; background:url(/static/index/images/icon.png) no-repeat -41px -38px;cursor:pointer}
    .grayhand{width:34px; height:34px; background:url(/static/index/images/icon.png) no-repeat -83px -38px;cursor:pointer}
    .redbar{position:absolute; left:42px; margin-top:8px;}
    .bluebar{position:absolute; right:42px; margin-top:8px; }
    .redbar span{display:block; height:6px; background:red; width:100%;border-radius:4px;}
    .bluebar span{display:block; height:6px; background:#09f; width:100%;border-radius:4px; position:absolute; right:0}
    .redbar p{line-height:20px; color:red;}
    .bluebar p{line-height:20px; color:#09f; text-align:right; margin-top:6px}



$(function(){
    // 获取初始数据
    getdata('',1);
    
    $(".redhand").click(function(){
        getdata("red",1);
    });
    $(".bluehand").click(function(){
        getdata("blue",1);
    });
});
function getdata(type,vid){
    $.ajax({
      url: "{:url('/index/vote/vote')}",
      data: {type:type,vid:vid},
      type:'POST',
      dataType: 'json',
      success: function (res) {
          console.log(res)
          if (res.status == 0) {
              alert('投票成功')
              var w = 208;
            $("#red_num").html(res.msg.rednum);
            $("#red").css("width",res.msg.red_percent*100+"%");
            var red_bar_w = w*res.msg.red_percent-10;
            $("#red_bar").css("width",red_bar_w);
            $("#blue_num").html(res.msg.bluenum);
            $("#blue").css("width",res.msg.blue_percent*100+"%");
            var blue_bar_w = w*res.msg.blue_percent;
            $("#blue_bar").css("width",blue_bar_w);
          }else{
              alert('投票失败');
          }
      }
    });
}




   ThinkPHP5+jQuery+MySql实现红蓝投票功能
   
        您对Thinkphp5的看法？

控制器：

fetch();
    }
    /**
     * 投票
     * @param vid type ip
     */
    public function Vote()
    {
        $data = input('post.');
        if (!empty($data)) {
            $data['ip'] = get_ip();    //获取Ip
            // 先检测当前ip是否已经投过票
            $count = model('Vote')->checkIp($data);
            // 检测是否提交了type,提交了即代表点击了按钮,没提交即代表页面初次渲染
            if (!empty($data['type'])) {
                if ($count == '0') {    //当前还未投过票 
                    // 更新票数  添加用户ip表
                    $res = model('Vote')->postVote($data);
                    if ($res) {
                        
                        // 投票成功  获取当前各自的票数
                        $info = $this->getPercent($data);
                        return return_succ($info);
                    }else{
                        return return_error('投票失败');
                    }
                }else{
                    // 已经投过票
                    return return_error('您已经投过票了');
                }
            }else{
                // 初次渲染,获取初始数据
                $info = $this->getPercent($data);
                return return_succ($info);
            }
        }else{
            return return_error('数据不能为空');
        }
    }
    // 计算比例
    public function getPercent($data)
    {
        // 投票成功  获取当前各自的票数
        $info = model('Vote')->getInfo($data);
        // 计算比例 保留3位小数
        $info['red_percent'] = round($info['rednum'] / ($info['rednum'] + $info['bluenum']),3);
        $info['blue_percent'] = 1 - $info['red_percent'];
        return $info;
    }
}

模型：

where(['vid'=>$data['vid'],'ip'=>$data['ip']])->count();
        return $res;
    }
    // 投票
    public function postVote($data)
    {
        $info = $this->getInfo($data);
        if ($info) {
            Db::startTrans();
            try {
                
                if ($data['type'] == "red") {
                    // 更新票数表  
                    Db::table('votes')->where(['id'=>$data['vid']])->update(['rednum'=>$info['rednum']+1]);
                }elseif ($data['type'] == "blue") {
                    Db::table('votes')->where(['id'=>$data['vid']])->update(['bluenum'=>$info['bluenum']+1]);
                }
                // 添加用户投票ip
                Db::table('votes_ip')->insert(['vid'=>$data['vid'],'ip'=>$data['ip']]);
                Db::commit();
                return true;
            } catch (Exception $e) {
                Db::rollback();
                return false;
            }
        }
    }
    // 获取当前各自的票数
    public function getInfo($data)
    {
        // 获取各自的票数
        $info = Db::table('votes')->where(['id'=>$data['vid']])->find();
        return $info;
    }
}