//表单
@if($v['sex']==0)
男
@elseif($v['sex']==1)
女

@endif

//jqery

$(document).on("click",".se",function () {
id=$(this).attr("id");
sex= $(this).attr("ss");
str="";
if (sex==0){
str="男"
}else{
str="女"
}

    that=$(this);  
   $.ajax({  
       url:"jdjg",  
       type:"post",  
       dataType:"json",  
       data:{  
           id:id,  
           sex:str  
       },  
      success:function (data) { console.log(data);  
   if (data=="男"){  
       that.text("男")  
       that.attr("ss",0)  
   } else{  
       that.text("女")  
       that.attr("ss",1)  
   }

      }  
   })  

})

//控制器

function jdjg(req $req){
$id= $req->post("id");
$sex=$req->post("sex");
// echo json_encode($sex);die;
if ($sex=="男"){
$res=DB::table("poker")->where("id",$id)->update(["sex"=>1]);
$sex="女";
echo json_encode($sex);
}else{

        $res=DB::table("poker")->where("id",$id)->update(\["sex"=>0\]);  
        $sex="男";  
        echo  json\_encode($sex);  
    }