php实现标签云的一段代码
Libérer: 2016-07-25 09:03:26
original
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-
/**
- * WNiaoBlog Tag Template ShowTag
- *
- * @package WNiaoBlog
- *
- * @subpackage Tag
- */
- //Connect the database
- //include('../include/config.php');
- /**
- * CountTag() - Statistics labels appear the number,and the data to be stored in the two array
- *
- * GetTag() - Access the Tag's Labels from the database
- */
- function CountTag($String){
- $TagString = $String;
- //echo $TagString."
- ";
- $Tags = explode(",",$TagString);
- $n = 1;
- $i = 0;
- $Continue = TRUE;
- //echo $Tags[1]."
- ";
- //in case no-label's article
- while($Tags[$n] OR $Tags[++$n] OR $Tags[++$n] ){
- $EachTag = $Tags[$n++];
- //echo $EachTag."
- ";
- $Continue = TRUE;
- for($i=0;$Continue;$i++){
- if( $EachTagStr[$i][0] ) {
- if( $EachTagStr[$i][0] == $EachTag ){
- $EachTagStr[$i][1]++;
- $Continue = FALSE;
- }
- else {
- if( $EachTagStr[$i+1][0] ) $Continue = TRUE;
- else {
- $EachTagStr[$i+1][0] = $EachTag;
- $EachTagStr[$i+1][1] = 1;
- $Continue = FALSE;
- }
- }
- } else { //initialize the array $EachTagStr[][]
- $EachTagStr[$i][0] = $EachTag;
- $EachTagStr[$i][1] = 1;
- $Continue = FALSE;
- }
- }
- }
- return $EachTagStr;
- }
- function ShowTag($Row,$ablink){
- $i = 0;
- while($Row[$i][0]){
- $EachTag = $Row[$i][0];
- $EachCount = $Row[$i][1];
- $Size = SetSize($EachCount);
- echo " ".$EachTag."(".$EachCount.")"." ";
- $i++;
- }
- }
- function GetTag(){
- $QuerySet = mysql_query("select * from article");
- while($Row = mysql_fetch_array($QuerySet)){
- $Tag = $Row['tag'];
- $TagString = $TagString.",".$Tag;
- }
- return $TagString;
- }
- function SetSize($Size){
- $Size += 10;
- if($Size > 30)
- $Size = 30;
- return $Size;
- }
- //Go
- echo "
- ";
- echo "标签云";
- $String = GetTag();
- $Row = CountTag($String);
- ShowTag($Row,$ablink);
- echo "
- ";
- ?>
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