&#106avascript里的类思想

王朝html/css/js·作者佚名  2006-11-24
窄屏简体版  字體: |||超大  

<script language="javascript" runat="server">

function MyFile(filename, filesize, type, datelastaccessed)

{

this.filename = filename;

this.filesize = filesize;

this.type = type;

this.datelastaccessed = datelastaccessed;

}

function ArrayFile()

{

this.f = new Array();

this.count = 0;

this.add=function(file)

{

this.f.push( file );

this.count+=1;

}

this.max=function(f1, f2, field)

{

switch( field )

{

case "filename":

return f1.filename>f2.filename? true:false;

case "filesize":

return f1.filesize>f2.filesize? true:false;

case "type":

return f1.type>f2.type? true:false;

case "datelastaccessed":

return f1.datelastaccessed>f2.datelastaccessed? true:false;

default:

return false;

}

}

this.sort=function(field, order)

{

//order:desc asc

//field:filename filesize

var len = this.f.length;

if( len < 2 ) return;

var tmp;

for(var i=0; i<len-1; i++)

{

for(var j=i+1; j<len; j++)

{

if( order == "desc")

{

if( !this.max( this.f[i], this.f[j], field ) )

{

tmp = this.f[i];

this.f[i] = this.f[j];

this.f[j] = tmp;

}

}

else if ( order == "asc")

{

if( this.max( this.f[i], this.f[j], field ) )

{

tmp = this.f[i];

this.f[i] = this.f[j];

this.f[j] = tmp;

}

}

}

}

}

}

</script>

 
 
 
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