小编给大家分享一下js+ajax处理java后台返回的json对象循环创建到表格的示例分析,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧!
具体如下:
//注:LO是表格的id; 需要自己创建表头, n行,9列的表格;
var tab_id;
function varify(cardinno) {
tab_id=document.getElementById("Layer1");
displayDiv();
tab_id.style.display="none";
var url="getRefInfoServlet?cardInNo="+cardinno;
var myAjax=new Ajax.Request(url,{method:'post', parameters:'0', onSuccess:doOnComplete, asynchronous:true});
}
var doOnComplete=function(xml_httpRequest){
var msg=eval(xml_httpRequest.responseText);
var info=msg.length;
var row;
var col;
if(info>0)
{
for(var i=0;i<info;i++){
row = L0.insertRow(L0.rows.length);
row.insertCell(0).innerHTML =" "+msg[i].a;
row.insertCell(1).innerHTML =" "+msg[i].b;
row.insertCell(2).innerHTML =" "+msg[i].c;
row.insertCell(3).innerHTML =" "+msg[i].d;
row.insertCell(4).innerHTML =" "+msg[i].e;
row.insertCell(5).innerHTML =" "+msg[i].f;
row.insertCell(6).innerHTML =" "+msg[i].g;
row.insertCell(7).innerHTML =" "+msg[i].h;
row.insertCell(8).innerHTML =" "+msg[i].i;
row.setAttribute("align", "center");
}
tab_id.style.display="block";
}else{
tab_id.innerHTML="<center>抱歉,该卡未开通,获取不到租还车信息!</center>";
tab_id.style.width = "80%";
tab_id.style.position = "absolute";//绝对位置显示
tab_id.style.display="block";
}
removeDiv();
}
//遮罩层显示
displayDiv=function()
{
var mybg = document.createElement("div");
mybg.setAttribute("id","mybg");
mybg.innerHTML="<center>正在处理中, 请稍候<img src='lib/images/loading.gif'></img></center>";
mybg.style.width = "100%";
mybg.style.position = "absolute";//绝对位置显示
mybg.style.top = "260";
mybg.style.left = "0";
mybg.style.zIndex = "100";//z轴位置
mybg.style.opacity = "0.8";//透明度
mybg.style.filter = "Alpha(opacity=80)";//滤镜显示透明度
document.body.appendChild(mybg);
}
//遮罩层移除
removeDiv=function()
{
document.body.removeChild(mybg);
}
java后台存入json对象:
public String getRefInfo(String cardInNo)
{
StringBuffer bf=new StringBuffer(1024);
bf.append("");//sql语句
System.out.println(bf.toString());
List<JSONObject> jsonList=new ArrayList<JSONObject>();
try {
String [][] str=getArrayByName(bf.toString());
if(str!=null){
for (int i = 0; i < str[0].length; i++) {
JSONObject returnValue =new JSONObject();
returnValue.put("a", str[0][i])
.put("b", str[1][i])
.put("c", str[2][i].trim().equals("")?"":str[2][i].substring(0, 19))
.put("d", str[3][i].trim().equals("")?"":str[3][i].substring(0, 19))
.put("e", str[4][i])
.put("f", str[5][i])
.put("g", str[6][i])
.put("h", str[7][i])
.put("i", str[8][i]);
jsonList.add(returnValue);
}
}
}catch (Exception e) {
e.printStackTrace();
}
System.out.println(jsonList.toString());
return jsonList.toString();
}
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