一个完整的ajax例子

function delVirus(virusFileName,fileName){
	var message="确定删除吗？";
	if(confirm(message)==true){
		var params = {
				"fileName":fileName,
				"virusFileName":virusFileName
				};
		$.ajax({
			type:"post",
			url:"delVirus_virusFile.action",
			data:params,
			dataType:"json",
			success:function(data){
				if(data.message==0){
					var msg="删除成功，点击确定查看！";
					if(confirm(msg)==true){
						var taskId=$("select:[name=taskN]").find('option:selected').attr("name");
						var taskName=$("select:[name=taskN]").find('option:selected').val();
						var userName=$("select:[name=userL]").find('option:selected').val();
						if(taskName=="全部"){
							taskName = "total";
						}else if(userName=="全部"){
							userName = "total";
						}
						window.location.href = "virusFiles_virusFile.action";
					}else{
						return false;
					}
				}else if(data.message==1){
					alert("当前文件不存在！");
				}
			},
			error:function(){
				alert("对不起,删除失败!");
			}
		});
	}else{
		return false;
	}
	
}