调用后端接口下载文件

post请求方式模拟form表单提交的方式openPostWindow = function (exportparams) { var form = $("<form>");//定义一个form表单 form.attr(“id”, “downloadform”); form.attr(“style”, “display:none”); form.attr(“target”, “_blank”); form.attr(“method”, “post”); form.attr(“action”, “/EXPORT/user/change-history.json”); var input1 = $("<input>"); input1.attr(“type”, “hidden”); input1.attr(“name”, “param”); input1.attr(“value”, JSON.stringify(exportparams)); form.append(input1); $(“body”).append(form);//将表单放置在web中 form.submit();//表单提交 $("#downloadform").remove();}get请求方式function exportInfo() { var params = getParams(); delete params.pageDto; delete params.userName; window.open(’/EXPORT/leaveInfo/list.json?’ + $.param(params), ‘_blank’);}