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  • ListBox的操作

       主要实现功能是将ListBox1中的选择项移动到ListBox2中:
      
     1function moveOption(e1, e2,type)
     2                {
     3                    if( type == 'part' )
     4                    {
     5                        for(var i=0;i<e1.options.length;i++)
     6                        {
     7                            if(e1.options[i].selected)
     8                            {
     9                                var e = e1.options[i];
    10                                e2.options.add(new Option(e.text, e.value));
    11                                e1.remove(i);
    12                                i=i-1
    13                            }

    14                        }

    15                    }

    16                    
    17                    if( type == 'all' )
    18                    {
    19                        for(var i=0;i<e1.options.length;i++)
    20                        {
    21                            var e = e1.options[i];
    22                            e2.options.add(new Option(e.text, e.value));
    23                            e1.remove(i);
    24                            i=i-1
    25                        }

    26                    }

    27                    document.all.HiddenprjA.value = getvalue( document.all.lbprjnameA );
    28                    document.all.HiddenprjB.value = getvalue( document.all.lbprjnameB );
    29                }

    30                
    31                function getvalue(listContrl){
    32                var allvalue = "";
    33                for(var i=0;i<listContrl.options.length;i++){
    34                allvalue +=listContrl.options[i].value + ",";
    35                }

    36                return allvalue;
    37                }
       说明:e1,e2分别是ListBox1和ListBox2,type指的是是否全部移动,当然,要保存到数据库中还是需要在后台写一部分代码的。
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  • 原文地址:https://www.cnblogs.com/oldhorse/p/445940.html
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