通过表单form模拟post方式提交多参数实现文件下载

jquery实现方式：
function downloadFileByForm(filePath){var _form = $("<form></form>");var _url = '${tenantPrefix}/adc/adc-wxsj-hkgsjhxwxbgsj-download.do';var _hiddenInput = $("<input />");_hiddenInput.attr("type", "hidden");_hiddenInput.attr("name", "key");_hiddenInput.attr("value", filePath);_hiddenInput.appendTo(_form);_form.attr("action", _url);_form.attr("method", "post");_form.appendTo("body").submit().remove();}