ife-2016/21.html at master · Kido-200/ife-2016 · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>task 18</title>
		<style type="text/css">
           body{
			   width:50%;
			   margin:0 auto;
		   }
		   div{
			   display: flex;
			   flex-direction:column;
		   }
		   li{
			   display:inline-block;
			   background-color:rgba(255,0,0,0.5);
			   margin:2px;
			   padding: 7px;
			   color:#fff;
			   transition:all 1s;
			   cursor: pointer;
		   }
		   ul{
			   padding: 10px 0;
		   }
		   input{
			border:1px #ff0000 solid;
			background-color: #fff;
			border-radius: 15px;
			padding: 20px;
			cursor:pointer;
			transition:all 0.5s;
		   }
		   input:hover{
			background-color: rgba(255, 0, 0, 0.5);
		   }

		</style>
	</head>
	<body>
        <div>
           <label for="tag_text">Tag:</label>
        <input type="text" placeholder="回车/逗号/空格均可完成创建" id="tag_text" onkeyup="addTag(event)">
		   <ul id="tag_content"></ul>
		   <textarea placeholder="批量输入多个内容，格式可以为数字、中文、英文等，可以通过用回车，逗号（全角半角均可），顿号，空格（全角半角、Tab等均可）等符号作为不同内容的间隔。" id="interest_text" cols="100" rows="5" style="margin: 0px;  height: 70px;"></textarea>
		   <input type="button" value="确认兴趣爱好" id="confirBtn">
		   <ul id="area_content"></ul>
		   <input type="reset" value="重置" id="resetBtn">
        </div>

        <script type="text/javascript">
		var tag_text = document.getElementById("tag_text");
		var interest_text = document.getElementById('interest_text');
  		var tag_content = document.getElementById("tag_content");
		var area_content = document.getElementById('area_content');
		var confirBtn = document.getElementById("confirBtn");
		var resetBtn = document.getElementById("resetBtn");
		tag_content.addEventListener("click",function(e){
			var event = e||window.event;
			var target = e.target||e.srcElement;
			if(target!=tag_content)
				tag_content.removeChild(target);
		},false);
		area_content.addEventListener("click",function(e){
			var event = e||window.event;
			var target = e.target||e.srcElement;

			if(target!=area_content)
				area_content.removeChild(target);
		},false);
		function addTag(event){
				var e = event||window.event;
				var lastChar = tag_text.value.charAt(tag_text.value.length - 1);
				if((e.keyCode == 13)||(e.keyCode==32)||(e.keyCode==",")||(lastChar==",")||(lastChar=="，"))
				{
					var value = tag_text.value;
					if(lastChar==","||lastChar=="，")
						value=value.slice(0,tag_text.value.length-1);

					//不能重复，先去看看已经有没有一样的了
					var li_list = tag_content.children;
					for(var i = 0;i<li_list.length;i++)
					{
						if(li_list[0].innerHTML==value)
						{
							return;
						}
					}
					var li = document.createElement("li");
					li.innerHTML=value;
					li.setAttribute("title",value);
					li.setAttribute("onmouseover","showDelInfo()");
					li.setAttribute("onmouseout","hideDelInfo()");
					tag_content.appendChild(li);
					tag_text.value="";//清空一下
				}
		}
		function addInterest(){
			var input = getRepExp();//得到一串数组
			var li_list = area_content.children;
			if(input==false) return;
			var len = input.length;
			for(var i = 0;i<len;i++)
			{
				if(input[i]=="") continue;
				var mark = 1;
				for(var j = 0;j<li_list.length;j++)
				{
					if(li_list[0].innerHTML==input[i])
						{
							mark = 0;
							break;
						}
				}
				if(mark)
				{
					var li = document.createElement("li");
					li.innerHTML=input[i];
					li.setAttribute("title",input[i]);
					li.setAttribute("onmouseover","showDelInfo()");//其实这个给父亲用冒泡就行了
					li.setAttribute("onmouseout","hideDelInfo()");
					area_content.appendChild(li);
				}
			}
			interest_text.value="";
		}
		function showDelInfo(e)
		{
			var e = e||window.event;
			e.target.style.backgroundColor="rgba(0, 255, 0, 0.5)";
			e.target.innerHTML="点击删除" + e.target.innerHTML;
		}
		function hideDelInfo(e)
		{
			var e = e||window.event;
			e.target.style.backgroundColor="rgba(255, 0, 0, 0.5)";
			e.target.innerHTML=e.target.innerHTML.slice(4);
		}
		function getRepExp(){
			var value = interest_text.value.replace(/[^\w\u4e00-\u9fa5]/g," ").split(" ");
			if(value!=="")
			{
				return value;
			}
			else{
                    alert("输入点东西");
                    return false;
            }

		}
		function reset()
		{
			tag_content.innerHTML = "";
       		tag_text.value = "";
       		interest_text.value = "";
       		area_content.innerHTML = "";
		}
		confirBtn.addEventListener("click",addInterest,false);
		resetBtn.addEventListener("click",reset,false);
		</script>
	</body>

</html>