poi 導(dǎo)出 excel 解決 post 攜帶參數(shù)發(fā)送請求

function postExcelFile(params, url) { //params是post請求需要的參數(shù)，url是請求url地址
    var form = document.createElement("form");
    form.style.display = 'none';
    form.action = url;
    form.method = "post";
    document.body.appendChild(form);

    for(var key in params){
      var input = document.createElement("input");
      input.type = "hidden";
      input.name = key;
      input.value = params[key];
      form.appendChild(input);
    }

    form.submit();
    form.remove();
  }
  //點擊導(dǎo)出按鈕導(dǎo)出excel表格
  exportButton.onclick = function() {
    var params = {};
    postExcelFile(params, "http://www.XXX_excel");
  }