autoThink

JS
<link href="<%=request.getContextPath()%>/css/jquery.autocomplete.css" rel="stylesheet" type="text/css">
<script src="<%=request.getContextPath()%>/js/poapply/jquery.autocomplete.js" type="text/javascript" charset="utf-8" ></script>
//解析json数据
function parseFn(data) {
alert(data.jsonData);
    var rows = [];
    if(data==null)  
    return rows;
    for(var i=0; i<data.length; i++){
        rows[rows.length] = {      
           data:data[i],   
           result:data[i].PO_NO   
       };
     }  
    return rows;     
}
//自动联想
     function getAutoThinkOpts(){
        var options={ 
             minChars: 1,    
             max: 10,     
             autoFill: false,  
             mustMatch: false,
             matchSubset: false,
             matchContains: true,
             scrollHeight: 220,
             width:200,
             matchCase:true,
             selectFirst: false,
             scroll:false,
             dataType: 'json',
             parse: parseFn,
             formatItem: function(row, i, total) {
                 return " "+row.PO_NO+" "; 
             },     
             formatMatch: function(row, i, total) {
                 return row.PO_NO;     
             },     
             formatResult: function(row) {
                 return row.PO_NO;     
             }     
         };
         return options;
    }

    function initAutoThink(){
    var opts = getAutoThinkOpts();
    var contractNO =  $("#contractNo").val();//$("[name=contractNo]").val();
    alert(contractNO)
     //$("[name=orderNo]").unautocomplete();
    $("#orderNo").unautocomplete();
    if(contractNO != ""){
    alert(contractNO);
        $("#orderNo").autocomplete("/supportmng/pages/usermanage/user/listUserInfo.do?actionFlag=getContractAndSWInfo&contract_no="+contractNO,opts);
    }
    }

$(document).ready(function(){
    initAutoThink();
    $("#contractNo").bind("change",initAutoThink);


})


JSP
contractNo:<input type="text" value="" size="20" name="web_doc_id2" id="contractNo">
orderNo:<input type="text" value="" size="20" name="web_doc_id" id="orderNo" autocomplete="off" class="ac_input">

ACTION
public ActionForward getContractAndSWInfo(ActionMapping aMapping,
        ActionForm aForm, HttpServletRequest aRequest,
        HttpServletResponse aResponse) throws Exception
    {
        aResponse.setContentType("text/html;charset=UTF-8");
        aRequest.setCharacterEncoding("UTF-8");
        aResponse.setHeader("Cache-Control", "no-cache");
        //合同号
        String contractNo = aRequest.getParameter("contract_no");
        if (null != contractNo && !"".equals(contractNo))
        {
            contractNo = contractNo.trim();
        }
        //订单号
        String po_no = aRequest.getParameter("q");
        HttpSession session = aRequest.getSession(false);
        String nls = (String) session.getAttribute(SupportConstants.CFG_NLS);
        JSONObject param = new JSONObject();
        param.put("CONTRACT_NO", contractNo);
        param.put("PO_NO", po_no);
        param.put("LIMIT",10);
        param.put("NLS_LANG", nls);
        IPoApplyWs poApplyWs = new IPoApplyWsProxy();
        String autoDataStr =poApplyWs.getPoNoInfo(param.toString());
        JSONArray jsonData = new JSONArray(autoDataStr);
        PrintWriter out = aResponse.getWriter();
        out.write(jsonData.toString());
       // out.flush();
        if(null != out){
            out.close();
        }
    return null;
       
    }