thinkphp基础

1.查询

$m=M("material_stored");

   $name=$_POST["material_name"];

        if($name!=""){
   $where1["material_name"]=array(like,"%$name%");
   } 

   
    
        
   $where1['material_stored.matState']=1;
   $sql11="LEFT JOIN material_stored ON (new_mat_add.material_id=material_stored.material_idhao)"; //主表id=附表id
  //需要的 字段
   $field1="material_stored.material_idhao as material_idhao,material_stored.material_name as  material_name,material_stored.material_describe as material_describe,material_stored.matState as matstate,
        new_mat_add.add_time as add_time,
        mat_type.mattype_name as mattype_name,
    user.user_name as user_name";
         
$matHisAdd=M('new_mat_add')->join($sql11)->join($sql12)->join($sql13)->where($where1)->field($field1)->order('material_stored.material_idhao desc')->select();
$this->assign('matHisAdd',$matHisAdd);