ajax 例子

引用

function initCsvModel(year,cityId){

var args = new Object();

args.url= "listUpload!initCsvModel?date="+year+"&cityId="+cityId;

args.onError = processError;

args.onSuccess = initModelLog;

AjaxRequest.get(args);

}

function initModelLog(req){

var rtn =req.responseText;

if(""!=rtn){

//初始化成功，切换模版

changeTemplate(rtn);

}else{

alert("初始化模版失败，请联系管理员!");

}

}

function processError(){

alert("Ajax调用出错");

}

java代码部分

public static void write(HttpServletResponse response,String str,String type){

//回调信息

PrintWriter out = null;

try {

if(type!=null){

if("html".equals(type)){

response.setContentType("text/html;charset=UTF-8"); //设置输出编码格式

}else{

response.setContentType("text/xml;charset=UTF-8"); //设置输出编码格式

}

}

response.setHeader("Cache-Control", "no-cache");

out = response.getWriter();

} catch (IOException e) {

e.printStackTrace();

}

out.write(str);

out.close();

}