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在我的Java應用程序。我試圖通過ajax的xmlhttp post請求發佈更多的兩個javascript變量,但它返回錯誤400.通常,如果我註釋掉其中一個post變量,那麼它會成功發佈,但添加它後會拋出錯誤。這是我的嘗試:試圖通過xmlhttprequest的ajax發佈多個變量到控制器
function sendChat() {
var message = document.getElementById('new-input').value.trim();
var noteVal = "mp3",
xhr = new XMLHttpRequest();
....
alert(noteVal);
xhr.send(encodeURI('message=' + message));
xhr.send(encodeURI('noteVal=' + noteVal)); //if I comment this out then everything is fine
}
這是彈簧控制器接收後的參數
@ResponseBody
@RequestMapping(value = "/post-data", method = RequestMethod.POST)
public ModelAndView postData(HttpServletRequest request,
HttpServletResponse response,
@RequestParam String message,
@RequestParam String noteVal,
請我怎樣才能通過XMLHttpRequest