ajax的交互问题

ajax的交互问题：

关于dataType：Json，后台如果返回单纯的字符串这是用这个就接不到回调值，

后台如果返回的是json格式的字符串，那么用这个就会将这个格式的字符串转化为json对象作为回调值

 

后台的返回也有两种方式：

1，加@responseBody

2，直接用response.getWriter().write();

都会返回回调，只要dataType和后台的一致即可

 

 

/**

*标的成交

*/

function applyInfoNew(objKey,ord_key,ORDPRICE_NO,NEW_PRICE,chatNum,ARTNFLAG,CNT_KEY){

var cnt_num=$("input[name='newNum']").val();

var orderPrice=$("input[name='orderPrice']").val();

jQuery.ajax({

async:true,

url:webUrl+"/chat/offer/buyInfo?cnt_price="+NEW_PRICE+"&conobj_key="+objKey+"&cnt_num="+chatNum,

cache:false,

timeout:10000,

datatype:"json",

success:function(data){

if(data.status=="1"){

alert(data.msg);

return;

}else{

alert(2);

if (confirm("您确认成交吗？")) {

 

var CONTRADE_KIND = $("input[name='contradeKind']").val();

alert(CONTRADE_KIND);

//document.form2.action=path+"/negotiate!applyNew.do?urlType=dicker&objKey="+objKey+"&conOrdPriceBean.ORD_KEY="+ord_key+"&conOrdPriceBean.ORDPRICE_NO="+ORDPRICE_NO+"&conOrdPriceBean.CONTRADE_KIND="+CONTRADE_KIND;

//document.form2.submit();

$.ajax({

url:webUrl+"/chat/offer/applyNew?urlType=dicker&objKey="+objKey+"&ord_key="+ord_key+"&ORDPRICE_NO="+ORDPRICE_NO+"&CONTRADE_KIND="+CONTRADE_KIND,

type:"post",

cache:false,

async:true,

dataType:"json",

data:$("#form2").serialize(),

success:function(ret){

if(ret.status=="1"){

alert(ret.status);

window.location.href="http://localhost:8081/web/conObj/buyDetail.do?txt_conobj_key="+objKey+"&txt_contrade_kind="+CONTRADE_KIND+"&pick_types=A&jianjibuynum=0&order_prices="+orderPrice+"&cdListKeyArrayFront="+""+"&buyNum="+chatNum+"&ARTNFLAG="+ARTNFLAG+"&CNT_KEY="+CNT_KEY+"&msg="+encodeURIComponent(ret.msg);

//window.location.href=webUrl+"/web/conObj/buyDetail.do?txt_conobj_key="objKey+"&txt_contrade_kind="+CONTRADE_KIND+"&pick_types=A&jianjibuynum=0&order_prices="+orderPrice+"&cdListKeyArrayFront="+"";

//$.zd.alert("提示信息","恭喜您已成交",function(){

//parent.location=webUrl+"/conObj!buyPrint.do?urlType=dicker&CNT_KEY="+ret.msg;

//});

}else{

alert(8);

alert(ret.msg);

window.location.href="http://localhost:8081/web/conObj/buyDetail.do?txt_conobj_key="+objKey+"&txt_contrade_kind="+CONTRADE_KIND+"&pick_types=A&jianjibuynum=0&order_prices="+orderPrice+"&cdListKeyArrayFront="+""+"&buyNum="+chatNum+"&ARTNFLAG="+ARTNFLAG+"&CNT_KEY="+CNT_KEY+"&msg="+encodeURIComponent(ret.msg);

//$.zd.alert("提示信息",ret.msg,function(){

//refreshInfoData();

//});

}

},

error:function(retMsg){

window.location.href="http://localhost:8081/web/conObj/buyDetail.do?txt_conobj_key="+objKey+"&txt_contrade_kind="+CONTRADE_KIND+"&pick_types=A&jianjibuynum=0&order_prices="+orderPrice+"&cdListKeyArrayFront="+""+"&buyNum="+chatNum+"&ARTNFLAG="+ARTNFLAG+"&CNT_KEY="+CNT_KEY+"&msg="+encodeURIComponent(retMsg.msg);

//window.location.hre="http://localhost:8081/web/siteindex.do";

 

//refreshInfoData();

}

});

 

}else{

return false;

}

}

},

error:function(XMLHttpResuest,textStatus,errorThrown){}

});

 

/**if(confirm("确认以价格"+NEW_PRICE+"，成交？")){

var CONTRADE_KIND = $("input[name='CONTRADE_KIND']").val();

document.form2.action="${path}/NegotiateAction!applyNew.action?urlType=dicker&objKey="+objKey+"&conOrdPriceBean.ORD_KEY="+ord_key+"&conOrdPriceBean.ORDPRICE_NO="+ORDPRICE_NO+"&conOrdPriceBean.CONTRADE_KIND="+CONTRADE_KIND;

document.form2.submit();

}*/

}

 

 

 

 

 

@SuppressWarnings({ "unused", "rawtypes" })

@RequestMapping(value="/chat/offer/applyNew")

public String applyNew(@RequestParam(value="objKey") String objKey,

@RequestParam(value="urlType") String urlType,

@RequestParam(value="ord_key") String ord_key,

@RequestParam(value="ORDPRICE_NO") String ORDPRICE_NO,

@RequestParam(value="CONTRADE_KIND") String CONTRADE_KIND,

HttpSession session, HttpServletRequest request, HttpServletResponse response, Model model) throws EsteelException, IOException {

    

 

String cusUser = CASUtil.getCurrentUserName(session);

    TbCusUser user = tbCusUserService.getTbCusUserByCusUserId(cusUser);

    String cus_user_key = user.getCusUserKey();

    Map param = new HashMap<String,Object>();

    param.put("ORD_KEY", ord_key);

    param.put("ORDPRICE_NO", ORDPRICE_NO);

    param.put("CUS_USER_KEY", cus_user_key);

    param.put("CONTRADE_KIND", CONTRADE_KIND);

    Map applyMap = tbConObjService.applyConOrdPrice(param);

    String outs=(String) applyMap.get("OUTPARA");

    Map map1=new HashMap<String,Object>();

    if(outs!=null&&!"".equals(outs)){

    map1=  parsePara(outs);

    }else{

    map1.put("ARTNFLAG", "-1");

    map1.put("MSG", "返回参数为空！");

    }

    String ARTNFLAG = "";

    String MSG2 = "";

    String ORD_KEY = "";

    String CNT_KEY = "";

    String errorInfo = "";

    if (map1 != null) {

    ARTNFLAG = (String)map1.get("ARTNFLAG");

    MSG2 = (String)map1.get("MSG");

    ORD_KEY = (String)map1.get("ORD_KEY");

    CNT_KEY = (String)map1.get("CNT_KEY");

    }

    response.setContentType("text/html;charset=utf-8");

    if ((ARTNFLAG == null) || (!ARTNFLAG.equals("0")))

{

if ((MSG2 != null) && (!MSG2.equals(""))) {

//setStrJs("alert('" + MSG2 + "！');parent.refreshInfoData();");

//setStrIfRunJs("1");

 

    String str = JSONUtils.valueToString(JSONObject.fromObject(new JsonMsg("-1", MSG2,ARTNFLAG,CNT_KEY)));

    response.getWriter().write(str);

    response.getWriter().flush();

    return null;

}

//setStrJs("alert('成交议价失败！');parent.refreshInfoData();");

//setStrIfRunJs("1");

 

    String str = JSONUtils.valueToString(JSONObject.fromObject(new JsonMsg("-1", "成交议价失败",ARTNFLAG,CNT_KEY)));

    response.getWriter().write(str);

    response.getWriter().flush();

    return null;

 }

 

 Map contractMap = null;

       

 if ((CNT_KEY != null) && (!CNT_KEY.equals(""))) {

contractMap = this.tbConObjService.getContractByCNT_KEY(Integer.valueOf(CNT_KEY));

}

if (contractMap != null) {

//getRequest().setAttribute("contractMap", contractMap);

//getRequest().setAttribute("CNT_KEY", CNT_KEY);

 

 

 

//setStrJs("alert('恭喜您已成交！');parent.parent.location=\"" + getRequest().getContextPath() + "/conObj!buyPrint.do?urlType=" + urlType + "&CNT_KEY=" + CNT_KEY + "\";");

//setStrIfRunJs("1");

String str = JSONUtils.valueToString(JSONObject.fromObject(new JsonMsg("1", CNT_KEY + "",ARTNFLAG,CNT_KEY)));

    response.getWriter().write(str);

    response.getWriter().flush();

    return null;

}

//setStrJs("alert('恭喜您已成交！');parent.refreshInfoData();");

//setStrIfRunJs("1");

 

String str = JSONUtils.valueToString(JSONObject.fromObject(new JsonMsg("2", "恭喜您已成交",ARTNFLAG,CNT_KEY)));

    response.getWriter().write(str);

    response.getWriter().flush();

    return null;

   

 

}