//读取xml文件
		   InputStream in = new FileInputStream(basePath+"/ajax.xml");
			byte[] b = new byte[1024];
			int length = 0;
			StringBuffer sb = new StringBuffer();
			while ((length = in.read(b)) != -1) {
				//以前在这出现乱码问题，后来在这设置了编码格式
				sb.append(new String(b, 0, length,"UTF-8"));
			}
			in.close();
			//转换为json字符串
			String jsonStr = sb.substring(sb.indexOf("{"),
					sb.lastIndexOf("}") + 1);
			JSONArray ja = JSONArray.fromObject("[" + jsonStr + "]");
			for (int i = 0; i < ja.size(); i++) {
				String number=ja.getJSONObject(i).get("text").toString().split(" ")[0].toString().trim();
				String numberValue=ja.getJSONObject(i).get("text").toString();
				if(number.equals(codeId)){
					return numberValue.substring(numberValue.indexOf(" "),numberValue.lastIndexOf(" ") + 1);
				}
			}

?//获取项web项目根目录

String basePath = request.getContextPath();

?

XML格式：

<?xml version="1.0" standalone="yes" ?>
<neverModules>
  <autocomplete>
    <dataSource>
      <![CDATA[
[
{text:'000000   大盘走势  DPZS', content:'000000'},
{text:'000001   平安银行  PAYX', content:'000001'},
{text:'000000         系统代码	 xtdm', content:'系统代码'}
]  ]]></dataSource>   </autocomplete></neverModules>

?

?

System.out.println("大盘走势");