const btn = document.getElementById("btn");
          btn.addEventListener("click",function(){
            view
  .whenLayerView(csvLayer)
  .then(function(csvLayerView) {
    csvLayerView.effect = {
            filter: {
              where: "",//填写查询信息
            },
            excludedEffect: "blur(5px) grayscale(90%) opacity(40%)"
          };
  })
          })