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  • java练习题(六)

    *{
                    margin:0px auto;
                    padding:0px;
                    }
                /*#date{
                    200px;
                    height:20px;
                    }*/
                    
                #wai{
                    500px;
                    height:500px;
                    }
                #zuo{
                    float:left;
                    200px;
                    height:500px;
                    }
                #zhong{
                    float:left;
                    100px;
                    height:500px;
                    }
                #you{
                    float:left;
                    200px;
                    height:500px;
                    }
            </style>
        </head>
        
        <body>
            <!--<div id="date"></div>-->
            <div id="wai">
                <div id="zuo">
                    <select multiple="multiple" id="znr" style="200px; height:200px;">
                        <option value="山东">山东</option>
                        <option value="淄博">淄博</option>
                        <option value="张店">张店</option>
                    </select>
                </div>
                <div id="zhong">
                    <div style="margin-left:25px; margin-top:20px;"><input type="button" value=">>" style="50px;" onclick="Moveall()" /></div>
                    <div style="margin-left:25px; margin-top:20px;"><input type="button" value=">" style="50px;" onclick="Moveone()"/></div>
                </div>
                <div id="you">
                    <select id="ynr" multiple="multiple" style="200px; height:200px;"> 
                    </select>
                </div>
            </div>
            
        </body>
        <script type="text/javascript">
            /*window.setInterval("Time()",1);
            function Time()
            {
                var date = new Date();
                
                var n = date.getFullYear();
                var y = date.getMonth()+1;
                var r = date.getDate();
                var x = date.getHours();
                var f = date.getMinutes();
                var m = date.getSeconds();
                var h = date.getMilliseconds() //获取毫秒
                
                var str = "当前时间:"+n+"年"+y+"月"+r+"日"+x+":"+f+":"+m+":"+h;
                document.getElementById("date").innerHTML = str;
                //document.all.date.innerHTML = str;    
            }*/
            
            //Moveone();
            function Moveone()
            {
                var left = document.getElementById("znr");
                var right = document.getElementById("ynr");
                var lz = left.value;
                
                var str;
                str ="<option value='"+lz+"'>"+lz+"</option>";
                
                var bs=0;
                /*if(right.value==left.value)
                {
                    bs=1;
                    alert("jjjjj");    
                }
                if(bs==0)
                {
                    right.innerHTML = right.innerHTML+str;        
                }*/
    
                for(var i=0;i<right.childNodes.length;i++)
                {
                    if(right.childNodes.item(i).text == lz)
                    {
                        bs = 1;    
                    }
                }
                if(bs==0)
                {
                    right.innerHTML = right.innerHTML+str;        
                }
                //right = document.write(str);    
            }
            
            function Moveall()
            {
                var left = document.getElementById("znr");
                var right = document.getElementById("ynr");
                
                right.innerHTML = left.innerHTML;    
            }
        </script>

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  • 原文地址:https://www.cnblogs.com/haohaizi1/p/7744180.html
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