vjame

优化代码是无止境的
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数据加载中……

js处理服务器返回的对象 

格式一：
{
firstname:"Bruce",
lastname:"Perry",
gender:"M",
country:"USA"
}

代码片段：

function handleJson(  ){
    if(request.readyState == 4){
        if(request.status == 200){
            var resp =  request.responseText;
            var func = new Function("return "+resp);
            var objt = func(  );
            var div = document.getElementById("json");
            stylizeDiv(resp,div);
            div = document.getElementById("props");
            div.innerHTML="<h4>In object form</h4>"+
                          "<h5>Properties</h5>firstname= "+
                          objt.firstname +"<br />lastname="+
                          objt.lastname+ "<br />gender="+
                          objt.gender+ "<br />country="+
                          objt.country;
        } else {
            alert("A problem occurred with communicating between "+
                 "the XMLHttpRequest object and the server program.");
        }
    }//end outer if
}

 


格式二：

[
 "basketball","football"
]


代码片段：

//event handler for XMLHttpRequest
function handleResponse(){
    try{
        if(request.readyState == 4){
            if(request.status == 200){
                var resp =  request.responseText;
              
                if(resp != null){
                    //return value is a JSON array
                    var objt = eval(resp);
                    
                    createChecks(objt);
                }
            } else {
                //request.status is 503  if the application isn't available;
                //500 if the application has a bug
                alert(
                        "A problem occurred with communicating between"+
                        " the XMLHttpRequest object and the server program.");
            }
        }//end outer if
    } catch (err)   {
        alert("It does not appear that the server "+
              "is available for this application. Please"+
              " try again very soon. \nError: "+err.message);

    }
}




 

posted on 2011-06-08 11:15 lanjh 阅读(417) 评论(0)  编辑  收藏 所属分类: Java Web


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