ajax 异步提交form表单

function getFileChange(value){var formData = new FormData($("#form0")[0]);$.ajax({url:'<?php echo $upload_excel;?>',type:'POST',dataType:'text',data:formData,//async:false,processData: false,contentType: false,success: function(data){if(data == 'success'){alert('导入数据成功！');//window.location = '<?php echo $indexUrl;?>';}else{alert(data);}window.location = '<?php echo $indexUrl;?>';},error: function(json){alert('网络错误，请重新上传文件');}});}