使jQuery autocomplete支持中文搜索 -

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使jQuery autocomplete支持中文搜索

博客分类：

java
jQuery
JavaScript

附件里是修改过的 jquery.autocomplete.js（其实只是escape，unescape下输入框值）

页面代码：

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<script type="text/javascript" src="js/jquery-1.5.1.min.js"></script>
<script type="text/javascript" src="js/jquery.autocomplete.js"></script>
<link rel="stylesheet" href="style/jquery.autocomplete.css" type="text/css" media="screen, projection"/>
<script type="text/javascript">
$(function(){
	$("#txtSubSysInfo").autocomplete("/case/task/getSubSysInfo.shtml", {
		minChars: 0,
		width: 400,
		mustMatch: true,
		autoFill: false,
		multiple: true,
		multipleSeparator: "; ",
		parse: function(data){
			var parsed = [];
			var rows = data;
			for (var i=0; i < rows.length; i++) {
				var row = rows[i];
				if (row) {
					parsed[parsed.length] = {
						data: row,
						value: row.ID,
						result: this.formatResult(row)
					};
				}
			}
			return parsed;
		},
		formatItem: function(row, i, max) {
			return "[" + row.ID + "]" + row.ENNAME + "（" + row.CNNAME + "）";
		},
		formatResult: function(row) {
			return row.CNNAME;
		}
	}).result(function(e, data, value){
		$('#hidSubSysInfo').val(value);
	});


});
</script>
</head>
<body>

<input style="width: 600px;" id="txtSubSysInfo" name="txtSubSysInfo"/></br>
<input style="width: 600px;" id="hidSubSysInfo" name="hidSubSysInfo"/>
</body>
</html>

后台代码：

	public  ModelAndView  getSubSysInfo(HttpServletRequest request ,HttpServletResponse response) throws Exception{
		String queryString = request.getParameter("q");
		Writer out = null;
		try {	
			response.setContentType("text/json; charset=gbk");
			out = response.getWriter();
			queryString = queryString == null ? "": queryString;
			queryString = DateUtil.unescape(DateUtil.unescape(queryString));
			int index = queryString.lastIndexOf(";")+1;
			queryString = queryString.substring(index == -1 ? 0 : index).trim();
			
			List<Map> sysList = this.serviceInstance.getSubSysInfo(queryString.toUpperCase());
			
			String sysJson = JSONArray.fromObject(sysList).toString();
			out.write(sysJson);
		} catch (Exception e) {
			log.error("获取子系统异常", e);
			JSONObject jsonObject = new JSONObject();
			jsonObject.element("errorMsg", e.getMessage());
			out.write(JSONArray.fromObject(jsonObject).toString());
		}finally{
			out.flush();
			out.close();
		}
		return null;
	}

后台把解密了两次，其解密的方法是：

	private final static String[] hex = { "00", "01", "02", "03", "04", "05",
			"06", "07", "08", "09", "0A", "0B", "0C", "0D", "0E", "0F", "10",
			"11", "12", "13", "14", "15", "16", "17", "18", "19", "1A", "1B",
			"1C", "1D", "1E", "1F", "20", "21", "22", "23", "24", "25", "26",
			"27", "28", "29", "2A", "2B", "2C", "2D", "2E", "2F",

			"30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3A",
			"3B", "3C", "3D", "3E", "3F", "40", "41", "42", "43", "44", "45",
			"46", "47", "48", "49", "4A", "4B", "4C", "4D", "4E", "4F", "50",
			"51", "52", "53", "54", "55", "56", "57", "58", "59", "5A", "5B",
			"5C", "5D", "5E", "5F",

			"60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6A",
			"6B", "6C", "6D", "6E", "6F", "70", "71", "72", "73", "74", "75",
			"76", "77", "78", "79", "7A", "7B", "7C", "7D", "7E", "7F", "80",
			"81", "82", "83", "84", "85", "86", "87", "88", "89", "8A", "8B",
			"8C", "8D", "8E", "8F", "90", "91", "92", "93", "94", "95", "96",
			"97", "98", "99", "9A", "9B", "9C", "9D", "9E", "9F",

			"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "AA",
			"AB", "AC", "AD", "AE", "AF", "B0", "B1", "B2", "B3", "B4", "B5",
			"B6", "B7", "B8", "B9", "BA", "BB", "BC", "BD", "BE", "BF", "C0",
			"C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB",
			"CC", "CD", "CE", "CF", "D0", "D1", "D2", "D3", "D4", "D5", "D6",
			"D7", "D8", "D9", "DA", "DB", "DC", "DD", "DE", "DF", "E0", "E1",
			"E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB", "EC",
			"ED", "EE", "EF", "F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7",
			"F8", "F9", "FA", "FB", "FC", "FD", "FE", "FF" };

	private final static byte[] val = { 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x00, 0x01,
			0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
			0x3F, 0x3F, 0x3F };

	public static String escape(String s) {
		StringBuffer sbuf = new StringBuffer();
		int len = s.length();
		for (int i = 0; i < len; i++) {
			int ch = s.charAt(i);
			if (ch == ' ') { // space : map to '+'
				sbuf.append('+');
			} else if ('A' <= ch && ch <= 'Z') { // 'A'..'Z' : as it was
				sbuf.append((char) ch);
			} else if ('a' <= ch && ch <= 'z') { // 'a'..'z' : as it was

				sbuf.append((char) ch);
			} else if ('0' <= ch && ch <= '9') { // '0'..'9' : as it was
				sbuf.append((char) ch);
			} else if (ch == '-'
					|| ch == '_' // unreserved : as it was
					|| ch == '@'
					|| ch == '.' || ch == '!' || ch == '~' || ch == '*'
					|| ch == '\'' || ch == '(' || ch == ')') {
				sbuf.append((char) ch);
			} else if (ch <= 0x007F) { // other ASCII : map to %XX
				sbuf.append('%');
				sbuf.append(hex[ch]);
			} else { // unicode : map to %uXXXX

				sbuf.append('%');
				sbuf.append('u');
				sbuf.append(hex[(ch >>> 8)]);
				sbuf.append(hex[(0x00FF & ch)]);
			}
		}
		return sbuf.toString();
	}

	public static String unescape(String s) {
		StringBuffer sbuf = new StringBuffer();
		int i = 0;
		int len = s.length();

		while (i < len) {
			int ch = s.charAt(i);
			if (ch == '+') { // + : map to ' '
				sbuf.append('+');
			} else 
			if ('A' <= ch && ch <= 'Z') { // 'A'..'Z' : as it was
				sbuf.append((char) ch);
			} else if ('a' <= ch && ch <= 'z') { // 'a'..'z' : as it was
				sbuf.append((char) ch);
			} else if ('0' <= ch && ch <= '9') { // '0'..'9' : as it was
				sbuf.append((char) ch);
			} else if (ch == '-'
					|| ch == '_' // unreserved : as it was
					|| ch == '.' || ch == '!'
					|| ch == '@'
					|| ch == '~' || ch == '*' || ch == '\'' || ch == '/' || ch == '('
					|| ch == ')') {
				sbuf.append((char) ch);
			} else if (ch == '%') {
				int cint = 0;
				if ('u' != s.charAt(i + 1)) { // %XX : map to ascii(XX)
					cint = (cint << 4) | val[s.charAt(i + 1)];

					cint = (cint << 4) | val[s.charAt(i + 2)];
					i += 2;
				} else { // %uXXXX : map to unicode(XXXX)
					cint = (cint << 4) | val[s.charAt(i + 2)];

					cint = (cint << 4) | val[s.charAt(i + 3)];
					cint = (cint << 4) | val[s.charAt(i + 4)];
					cint = (cint << 4) | val[s.charAt(i + 5)];
					i += 5;
				}
				sbuf.append((char) cint);
			}

			i++;
		}
		return sbuf.toString();
	}

jquery.autocomplete.zip (7.6 KB)
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