tp5 如何查询mysql中json数据

数据库中保存有json数据如下:

        例:表 so_custom

        id           custom_id                   content

        1            1                          {"buy":"2","sell":"3","stock":"1,2,3"}       
        2            4                          {"buy":"2","sell":"3","stock":"1,4"}  
        3            6                          {"buy":"2","sell":"3","stock":"1,22,3"}  
        4            7                          {"buy":"2","sell":"3","stock":"1"}  



        现在只知道 stock中有3,如何通过这个条件去找出相应的custom_id,tp5的查询写法是什么?
        这种写法($this->model->json(['content'])->where('content->stock',3)->select())只能在stock =3 的数据,无法找出 stock 包含 1,2,3 的数据,

1个回答

使用like进行查询,你这属于模糊匹配 使用等于肯定查询不到数据

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If its new that it will generate new rooms,If it is already there then it will get data from the database and then show the div tag.But I don't know how to display the div tag,I'm getting the data from database.</p> <pre><code> &lt;html&gt; &lt;head&gt; &lt;script src="http://www.google.com/jsapi" type="text/javascript"&gt;&lt;/script&gt; &lt;script type="text/javascript" &gt; google.load("jquery", "1.6.3"); google.load("jqueryui", "1.8.16"); &lt;/script&gt; &lt;link rel="stylesheet" type="text/css" href="jqueryui1.css"/&gt; &lt;!--&lt;link rel="stylesheet" type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/themes/base/jquery-ui.css"/&gt;--&gt; &lt;script src="dragndrop.js" type="text/javascript"&gt;&lt;/script&gt; &lt;link rel="stylesheet" href="jqueryui-ruler/css/jquery.ui.ruler.css"&gt; &lt;script src="external/jquery-1.11.1.min.js"&gt;&lt;/script&gt; &lt;script src="external/jquery-ui.min.js"&gt;&lt;/script&gt; &lt;script src="jqueryui-ruler/js/jquery.ui.ruler.js"&gt;&lt;/script&gt; &lt;script language="JavaScript"&gt; $(document).ready(function () { $('#droppable').ruler(); }); &lt;/script&gt; &lt;style type="text/css"&gt; .col{ float:left; padding: 5px 5px 5px 5px; margin: 5px 5px 5px 5px; } #col1{ width:200px; height:500px; border:1px solid black; } .drag{ width:100px; border:1px solid black; height:40px; position:relative; background-color:red; background-image:url(restaurant/8793_532242100147879_270911928_n.jpg); } #droppable{ padding-top:18px; padding-left:18px; padding-right:20px; border:1px solid black; } &lt;/style&gt; &lt;/head&gt; &lt;body&gt; &lt;?php require("config.php"); $id=$_SESSION['restid']; if(isset($_SESSION['ft'])){ $ft=$_SESSION['ft']; $query="select floor_id,width,height from floor_m where floor_type='".$ft."' and rest_id='".$id."'"; $res1=mysqli_query($con,$query); $row1=mysqli_fetch_row($res1); $fd=$row1[0]; $w=$row1[1]; $h=$row1[2]; echo $fd; $query2="select room_as_id,width,height,start_x,start_y from room_m where floor_id='".$fd."'"; $res2=mysqli_query($con,$query2); $row2=mysqli_fetch_row($res2); $rai=$row2[0]; $ww=$row2[1]; $hh=$row2[2]; $xx=$row2[3]; $yy=$row2[4]; echo $rai,$ww,$hh,$xx,$yy; $wd=500/$w; $_SESSION['wd']=$wd; $_SESSION['ft']=$ft; $_SESSION['fid']=$fd; echo '&lt;script&gt;var pf = '.json_encode($_SESSION['wd']).'; var ft='.json_encode($_SESSION['ft']).'; var fid='.json_encode($_SESSION['fid']).';&lt;/script&gt;'; $ht=$h*$wd; } else{ $ft=$_POST['fl_type']; //echo $ft; $sql="select width,height,floor_id from floor_m where floor_type='".$ft."' and rest_id='".$id."'"; //echo $sql; $res=mysqli_query($con,$sql); $row=mysqli_fetch_row($res); $w=$row[0]; $h=$row[1]; $fid=$row[2]; $wd=500/$w; $_SESSION['wd']=$wd; $_SESSION['ft']=$ft; $_SESSION['fid']=$fid; echo '&lt;script&gt;var pf = '.json_encode($_SESSION['wd']).'; var ft='.json_encode($_SESSION['ft']).'; var fid='.json_encode($_SESSION['fid']).';&lt;/script&gt;'; $ht=$h*$wd; } //echo $wd,$ht; ?&gt; &lt;div id="wrapper"&gt; &lt;div class = "col" id="col1"&gt; &lt;img src="" id="drag1" class="drag"&gt; &lt;/div&gt; &lt;div class="col" id="droppable" style="width:500px;position:relative; height:&lt;?php echo $ht;?&gt;"&gt; &lt;/div&gt; &lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> </div>

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