试试这样：
var fd = new FormData();
fd.append( "file", $("input[name=file]").files[0]);
$.ajax({
type: "POST",
url: "/uploadFile",
data: fd,
contentType: false,
processData: false,
cache: false,
/*beforeSend: function(xhr, settings) {
xhr.setRequestHeader("Content-Type", "multipart/form-data;boundary=gc0p4Jq0M2Yt08jU534c0p");
settings.data = {name: "file", file: inputElement.files[0]};
},*/
success: function (result) {
if ( result.reseponseInfo == "SUCCESS" ) {
} else {
}
},
error: function (result) {
console.log(result.responseText);
}
});
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