How to backfill the value selected in layui drop-down

If you want to know more about layui, you can click: layui tutorial

##layui gets the value in the check box and backfills

layui gets the value in the check box (get multiple, separated by commas)

let  zxbm= document.getElementsByName("zxbm");
		    let check_val = [];
		    for(k in zxbm){
		        if(zxbm[k].checked)
		            check_val.push(zxbm[k].value);
		    }
		   let zxbmcheck=check_val.join(",");

layui checkbox backfill

  var apv = res.data.zxyj.split(","); //将数据以，（逗号）分割形成数组（res.data.zxyj是从后台获取到的数据（形如：1，2，3））
				$("[name=zxbm1]:checkbox").prop("checked", false); 
				if(apv != "") {
					for(var i = 0; i < apv.length; i++) {
						$("[name=zxbm1][value=" + apv[i] + "]").prop("checked", true);
					}
				}

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