js实现简单的评论和回复功能（数组版）
2024-08-27 04:26:08
var method={
getDate:function (a,b){
//获取当前日期
//a表示年月日直接的分隔符，b表示时分秒之间的分隔符
var dateStr="",
nowT=new Date(),
nowYear=nowT.getFullYear(),
nowMonth=nowT.getMonth() + 1,
nowDay=nowT.getDate(),
nowHours=nowT.getHours(),
nowMinites=nowT.getMinutes(),
nowSeconds=nowT.getSeconds();
if(a){
dateStr= nowYear + a + method.zero(nowMonth) + a + method.zero(nowDay) + " " + method.zero(nowHours) + b + method.zero(nowMinites) + b + method.zero(nowSeconds);
}else{
dateStr= nowYear + "年" + method.zero(nowMonth) + "月" + method.zero(nowDay) + "日" + " " + method.zero(nowHours) + ":" + method.zero(nowMinites) + ":" + method.zero(nowSeconds);
}
return dateStr
}
}
method.js
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" href="css/public.css"/>
<style>
.outer{
width:500px;
margin:60px auto 0;
}
textarea{
resize: none;
width:100%;
height:68px;
}
.btn,.replay-box-btn{
width:80px;
height:30px;
margin-top: 20px;
line-height:30px;
text-align:center;
border-radius: 5px;
background: #00c1de;
color:#fff;
cursor: pointer;
}
.comment-con{
margin-top: 20px;
}
h4{
font-size:18px;
font-weight: bold;
}
.comment-msg{
width:380px;
}
.comment-name{
font-weight: bold;
margin-right:30px;
}
.comment-main p>span,.comment-main div>span{
display: block;
width: 80%;
padding:5px;
border-radius:5px;
background:#ccc;
}
.comment-main p>span{
float: left;
}
.comment-main div>span{
float: right;
color:#479EAB;
}
.comment-btn{
width:46px;
height:26px;
text-align:center;
line-height:26px;
cursor: pointer;
font-weight: bold;
}
.replay-box{
display: none;
width:100%;
}
span.comment-time{
display: block;
line-height: 26px;
text-align: center;
}
.userImg,.manageImg{
width: 60px;
height:60px;
}
</style>
</head>
<body>
<form>
<div class="outer">
<div class="clearfix">
<textarea placeholder="请输入评论内容"></textarea>
<div class="btn fr">提交</div>
</div>
<div class="comment-con">
<h4>评论</h4>
<ul></ul>
</div>
</div>
</form>
</body>
<script src="js/jquery-1.11.3.min.js"></script>
<script src="js/method.js"></script>
<script>
var commentJson=[
{
"id":0,
"name":"用户a",
"time":[
"2016-01-01 12:00:00","2016-01-02 12:02:00","2016-01-03 12:03:00"
],
"text":[
{
"status":"0","val":"text1"//status为0表示用户留言，status为1表示管理员回复
},
{
"status":"1","val":"replay1"
},
{
"status":"1","val":"replay2"
}
],
"photo":"images/img1.png"
}
];
var $ul=$(".comment-con>ul")[0];
show(commentJson);
function show(ary){
var str="";
$(ary).each(function(i,item){
str+="<li class='clearfix' rel="+item.id+"><img class='userImg' src='"+item.photo+"' class='fl'/><div class='fr comment-msg clearfix'><div>" +
"<span class='comment-name'>"+item.name+"</span></div><div class='comment-main clearfix'>";
for(var x=0;x<item.text.length;x++){
str+="<span class='comment-time'>"+item.time[x]+"</span>";
if(item.text[x].status == "0"){
str+="<p class='clearfix'><span>"+item.text[x].val+"</span></p>";
}else{
str+="<div class='clearfix'><span>"+item.text[x].val+"</span></div>";
}
}
str+="</div><div class='comment-btn'>回复</div></div></li>";
});
$(".comment-con>ul").html(str);
}
show(commentJson);
$(".btn").on("click",function(){
var obj={},_val=$("textarea").val(),_name ="用户名",_time=method.getDate("-",":"),aryLen=commentJson.length,_photo="images/img1.png";
if(_val != ""){
obj={
"id":aryLen,
"name":_name,
"time":[_time],
"text":[{"status":"0","val":_val}],
"photo":_photo
};
commentJson.push(obj);
show(commentJson);
$("textarea").val("");
}else{
alert("请输入评论信息")
}
});
$(".comment-con ul").delegate($("div.comment-btn"),"click",function(e){
var ev = e || window.event;
var $this=$(ev.target);
var replayStr="",manageImg="images/img1.png";
if($this.hasClass("comment-btn")){
if($(".replay-box").length == 0){
replayStr+="<div class='clearfix replay-box'><div class='fl'><img class='manageImg' src='"+manageImg+"'/></div><div class='fr clearfix'><textarea></textarea><div class='replay-box-btn fr'>发布</div></div></div>";
if($this.siblings(".replay-box").length > 0){
$this.siblings(".replay-box").css("display","block");
}else{
$(replayStr).appendTo($this.parents(".comment-msg"));
$this.siblings(".replay-box").css("display","block");
}
}else{
alert("您有未发表成功的评论，请发表成功后再回复新的评论")
} }
}).delegate($(".replay-box-btn"),"click",function(e){
var ev = e || window.event;
var $this=$(ev.target);
if($this.hasClass("replay-box-btn")){
var _value=$this.siblings('textarea').val(),replayTime=method.getDate("-",":"),_actIndex=$this.parents("li").attr("rel");
var replayObj={
"status":"1","val":_value
};
if(_value != ""){
commentJson[_actIndex].time.push(replayTime);
commentJson[_actIndex].text.push(replayObj);
show(commentJson);
$this.siblings('textarea').val("");
$this.parents(".replay-box").remove()
}else{
alert("请填写回复内容")
}
}
})
</script>
</html>
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