自动编号的wid怎么插入，

1. DB::query("INSERT INTO ".DB::table('portal_wsbm')."
   
2. (wid, xm, sjh, qqh, email, qx, zy, lj, kcfx, date)
   
3. VALUES (, '$xm', '$sjh', '$qqh', '$email', '$qx', '$zy', '$lj', '$kcfx', '$data')");

复制代码

‘wid’对应的值怎么自动添加呢？