jquery ajax传递中文乱码问题

由于我们的系统是GBK编码,在使用jquery ajax传递中文时,在后台action中乱码(该原因是由于jquery编码为UTF-8产生的),使用encodeURI等均在后台中无法转成正常中文。使用escape解决此问题,但是需要自行在后台解码(重写js unescape方法),解码方法如下的unescape方法。

jquery:
function applySecKill() {
	var userName = $("#userName").val(); 
	var mobile = $("#mobile").val(); 
	$.ajax({ 
		url: "/apply/apply.do", 
		type: "post", 
		data: {'userName': escape(userName), 'mobile': mobile			success: function(data, status) {
			if(data.indexOf("|")>=0) {
			var arr=new Array();
			var arr=data.split('|');
			var obj = document.getElementById("apply");
			obj.innerHTML=arr[0]+",报名成功";
			alert(arr[1]);
			window.location.reload();
			} else {
			alert(data);
			}
		} 
	});
}


public class Escape {

	public static String unescape(String src) {
		if (src == null)
			return null;
		StringBuffer tmp = new StringBuffer();
		tmp.ensureCapacity(src.length());
		int lastPos = 0, pos = 0;
		char ch;
		while (lastPos < src.length()) {
			pos = src.indexOf("%", lastPos);
			if (pos == lastPos) {
				if (src.charAt(pos + 1) == 'u') {
					ch = (char) Integer.parseInt(src
							.substring(pos + 2, pos + 6), 16);
					tmp.append(ch);
					lastPos = pos + 6;
				} else {
					ch = (char) Integer.parseInt(src
							.substring(pos + 1, pos + 3), 16);
					tmp.append(ch);
					lastPos = pos + 3;
				}
			} else {
				if (pos == -1) {
					tmp.append(src.substring(lastPos));
					lastPos = src.length();
				} else {
					tmp.append(src.substring(lastPos, pos));
					lastPos = pos;
				}
			}
		}
		return tmp.toString();
	}

}

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