springboot ajax下载文件功能封装

 通过js ajax下载文件功能封装 

function exportExcel(formId, url) {
    try {
        var queryForm = $("#" + formId);
        var exportForm = $("<form action='" + url + "' method='post'></form>")
        
        queryForm.find("input").each(function() {
            var name = $(this).attr("name");
            var value = $(this).val();
            exportForm.append("<input type='hidden' name='" + name + "' value='" + value + "'/>")
        });
        
        queryForm.find("select").each(function() {
            var name = $(this).attr("name");
            var value = $(this).val();
            exportForm.append("<input type='hidden' name='" + name + "' value='" + value + "'/>")
        });
        
        $(document.body).append(exportForm);
        exportForm.submit();
    } catch (e) {
        console.log(e);
    } finally {
        exportForm.remove();
    }
}