bulletin.js

javascript语言获取日期时间

 
 //去除字符串的首尾的空格
	function trim(str)
	{
       return str.replace(/(^\s*)|(\s*$)/g, "");
    }
 	/*定义全局变量*/  
	var user_name = "";
    var msg_id = "";
    var update = false;
    /*定义全局变量结束*/ 
    
    /*****************************************************  
	 *  函数名：DateCheck()
	 *  作  用：检查字符中是否在指定的大小范围内和是否含有非法字符
	 *	参  数：date: 要检查的字符；
	 *          minum:  字符最小的长度
	 *  		maxnum: 字符最大的长度
	 *  返回值：True:   数据不在指定范围内或含有非法字符
	 *		    False:  数据在指定范围内且不含有非法字符
	 ******************************************************
	*/
	function DateCheck(date,minnum,maxnum)
	{
		if (date.length < minnum || date.length > maxnum ){
			window.alert("输入数据的长度不能少于 " + minnum + " 位并且不能大于 " + maxnum + " 位!");
			return true;
		}
	
		 a = date.indexOf("'");
		 b = date.indexOf("|");
		 c = date.indexOf("\"");
		 
		 if (a != -1||b != -1 ||c != -1){
		   window.alert("您的输入含有特殊字符，请重新输入！");
		   return true;
		  	}
		return false;
	 }
	 
	//限定文本框的最大输入长度
	 function RestrictLen(obj,info)
	 {		
	     var Restlen = 0;	 
		 var curlen = obj.value.length;	 
		 var nMaxLen = obj.getAttribute? parseInt(obj.getAttribute("maxlength")):"";
		 if(obj.getAttribute && obj.value.length>nMaxLen){
		 	obj.value = obj.value.substring(0,nMaxLen)
		 }else{
		 	Restlen=nMaxLen - curlen;
		 	var rest=document.getElementById(info);	 	
		 	rest.innerHTML=Restlen;
		 }
		 return Restlen;
	  } 
	 
	//判断是提交第一次回复还是修改回复
	function choose(message_id,uname,linkObj)
	{				
		var linkValue = linkObj.innerHTML;		
		if (linkValue == '[回复]')
		{			
			answerComment(message_id,uname);
		}
		else
		{			
			updateComment(message_id);
		}
	}
	    
    //回复提问,利用全局变量保存留言ID和用户名称 
    function answerComment(message_id,uname)
    {    	
    	var comment = document.getElementById("answer_font"); 
    	comment.innerHTML = "回复"+uname+"：";    	 	
    	user_name = uname;
    	msg_id = message_id;    	
     	comment.focus();
     	document.getElementById('sub_button').disabled = false;
     	update = false;
    }
    
    //修改已经发表的回复内容
    function updateComment(message_id)
    {
    	var comment = document.getElementById("comment"); 
    	    	
    	var answer = document.getElementById('a_'+message_id).innerHTML.replace(/<[^>]+>/g,"");      		
    	var answer = answer.replace("答：",""); 
    	answer = answer.replace("&nbsp;",""); 
    	var  index = answer.lastIndexOf('[');
    	answer = answer.substring(0,index);   
    	answer = trim(answer); 	
	     
    	comment.value = answer;    	
    	msg_id = message_id;    	
     	comment.focus();     	
     	document.getElementById('sub_button').disabled = false;
     	update = true;
    }  
      
    //提交店铺的回复或者修改后的回复
    function submitAnswer(url)
    {    	
    	var comment = document.getElementById("comment");
    	var answer_font = document.getElementById("answer_font");	   	
    	var CommentDefault = comment.defaultValue;
    	var answer = comment.value;      	 	
    	if((answer == CommentDefault) || (answer == "") || (answer == "回复"+user_name+"："))
    	{
 			alert("请填写您的回复！"); 		
 	    }
 	    else
 	    {
 	    	if (!update)
 	    	{
 	    		var start_point = answer.indexOf("：");
		 	    if (start_point != null)
		 	    {
		 	    	 answer = answer.substring((start_point+1),answer.length);
		 	    }	 	    
 	    	}
 	    
	 	    if(DateCheck(answer,2,200))
		    {		
				comment.focus();				
		    }
		    else
		    {
		    	var ajaxobj = new AJAXRequest;		    	
		    	ajaxobj.url = url;		    
		        ajaxobj.content="act=answer"+"&answer="+answer+"&message_id="+msg_id;		    		    
			    ajaxobj.callback=function(xmlObj) 
			    {
			     	xmlData = xmlObj.responseXML;
			     	showAnswer(xmlData);       
			    }
			    ajaxobj.send();
		    }		    
 	    } 	    
 	    document.getElementById('sub_button').disabled = true;
 	    comment.value = "";
 	    answer_font.innerHTML = "";  	    
    }   
 
    //在当前页面无刷新显示店铺回复
    function showAnswer(xmlData)
    {    	
    	//获得服务器返回的参数
    	var answer;
    	var answer_time;
    	var answer_text;
    	var answer_td;
    	var answer_span;
    	var answer_time_span;
    	var message_id = xmlData.getElementsByTagName("message_id")[0].firstChild.data;    	
    	if (xmlData.getElementsByTagName("answer")[0].firstChild != null)
    	{
    		answer = xmlData.getElementsByTagName("answer")[0].firstChild.data;    		
    	}
    	if (xmlData.getElementsByTagName("answer_time")[0].firstChild != null)
    	{
    		answer_time = xmlData.getElementsByTagName("answer_time")[0].firstChild.data;    		
    	} 
    	
    	//创建页面显示需要的html对象
    	var message_table = document.getElementById(message_id);    	
    	var link_obj = document.getElementById("answer_link");
    	var answer_tr  =  message_table.getElementsByTagName("tr").item(1); 
    	
    	if (answer_tr == null) 
    	{
    		//创建回答对象的tr,td,span
    		answer_tr = document.createElement("tr");
    		answer_td = document.createElement("td");
    		answer_span = document.createElement("span");
    		
    		
    		//设置回答td的属性
    		answer_td.height = 22;
    		answer_td.colspan = 2;
    		answer_td.bgcolor="#F4F9F2";
    		answer_td.id = 'a_'+ message_id;
    		answer_td.setAttribute("id",'a_'+ message_id);    		 		   		
    	}
    	else
    	{
    		answer_td = answer_tr.getElementsByTagName("td").item(0);    	
	    	answer_span = answer_td.getElementsByTagName("span").item(0); 
	    	answer_time_span = answer_td.getElementsByTagName("span").item(1);  
    	}    	  	
    	   	
    	if (answer_span == null)
    	{
    		var answer_span = document.createElement("span");
    		//设置answer_span的属性
	    	if (answer!= undefined)
	    	{
	    		answer_span.className = "da";
	    		answer_span.innerHTML = "答：";    		
	    		answer_td.appendChild(answer_span);	
	    		answer_text = document.createTextNode(answer);    		
	    		answer_td.appendChild(answer_text);		    		
	    		link_obj.innerHTML = "[修改]";	    		
	    	}   	
    	}
    	else
    	{
    		answer_text = answer_span.nextSibling; 
    		if (answer_text == null)
    		{
    			answer_text = document.createTextNode(answer);  
    			answer_td.appendChild(answer_text);	
    		}
    		else
    		{
    			answer_text.nodeValue = answer;   
    		} 
    		link_obj.innerHTML = "[修改]"; 		 		
    	} 
    	  
    	if(answer_time != undefined && (answer_time_span != null))
    	{
    		answer_time_span.innerHTML = "["+answer_time+"]"; 
    	}
    	else
    	{
    		answer_time_span =  document.createElement("span");
    		//设置回答时间span的属性
    		answer_time_span.className = "fontccc";	
    		answer_time_span.innerHTML = "["+answer_time+"]"; 
    		answer_td.appendChild(answer_time_span);	 
    	}    	 	
    }
    
    //提交需要删除的留言ID
    function delSubmit(message_id,url)
    {
    	if (checkDel())
    	{
    		var ajaxobj = new AJAXRequest;
	    	ajaxobj.url = url;
		    ajaxobj.content="act=del"+"&message_id="+message_id;
		    ajaxobj.callback=function(xmlObj) 
		    {
		     	xmlData = xmlObj.responseXML;
		     	deleteComment(xmlData);       
		    }
		    ajaxobj.send();
    	}    	
    }
    
    //删除前的验证
    function checkDel()
    {
    	var msg="确定删除？";
		if (confirm(msg)==true)
		{
		  return true;
		}
		else
		{
		  return false;
		}
    }
    
    function deleteComment(xmlData)
    {	
   		//页面中存放留言的div的对象      	 	
    	var message_id = xmlData.getElementsByTagName("message_id")[0].firstChild.data;      	
    	var message_table = document.getElementById(message_id);   
    	var parent =  message_table.parentNode; 	
    	parent.removeChild(message_table);    	  	
    }
    
    //提交置顶的申请
    function submitTop(message_id,shopid,url,object)
    {
    	var ajaxobj = new AJAXRequest;
    	var link_text = object.innerHTML;    	
    	ajaxobj.url = url;    	
    	if (link_text == "[取消置顶]")
    	{
    		ajaxobj.content="act=cancelTop"+"&message_id="+message_id;
		    ajaxobj.callback=function(xmlObj) 
		    {	    	
		     	xmlData = xmlObj.responseXML;		     	
		     	cancelTop(xmlData,object);       
		    }
    	}
    	else 
    	{
    	    ajaxobj.content="act=top"+"&message_id="+message_id+"&shopid="+shopid;
		    ajaxobj.callback=function(xmlObj) 
		    {	    	
		     	xmlData = xmlObj.responseXML;		     	
		     	if (!xmlData.hasChildNodes) 
		     	{
		     		window.alert("留言置顶不可超过3条！");
		     	} 
		     	else
		     	{
		     		showTop(xmlData,object); 
		     	}  		
		    }
    	}
	    ajaxobj.send();    	
    }
    
    //留言置顶
    function showTop(xmlData,object)
    {
    	//页面中存放留言的div的对象    	
    	var message_id = xmlData.getElementsByTagName("message_id")[0].firstChild.data;
    	var message_table = document.getElementById(message_id);
    	var comment_div = message_table.parentNode;
    	var a_top = document.getElementById("top");
    	object.innerHTML = "[取消置顶]";
    	var table = comment_div.removeChild(message_table); 
    	var firstChild = comment_div.firstChild;
    	comment_div.insertBefore(table,firstChild);
    }
    
    //取消留言置顶
    function cancelTop(xmlData,object)
    {
    	//页面中存放留言的div的对象    	
    	var message_id = xmlData.getElementsByTagName("message_id")[0].firstChild.data;
    	var message_table = document.getElementById(message_id);  
    	var comment_div = message_table.parentNode;  	
    	object.innerHTML = "[置顶]";
    	var table = comment_div.removeChild(message_table);     	
    	comment_div.appendChild(table);
    }
    
    //显示未回复留言
    function showCurrent()
    {
    	var current = document.getElementById('current');
    	var history = document.getElementById('history');
    	current.style.display = 'block';
    	history.style.display = 'none';
    }
    
    //显示已回复留言
    function showHistory()
    {
    	var current = document.getElementById('current');
    	var history = document.getElementById('history');
    	current.style.display = 'none';
    	history.style.display = 'block';
    }