1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 2 <HTML> 3 <HEAD> 4 <TITLE> New Document </TITLE> 5 <META NAME="Generator" CONTENT="EditPlus"> 6 <META NAME="Author" CONTENT=""> 7 <META NAME="Keywords" CONTENT=""> 8 <META NAME="Description" CONTENT=""> 9 </HEAD>10 11 <BODY>12 <?php13 echo "<p>第一種</p>";14 echo "<table width='600' border='1' cellspacing='0' cellspadding='0' >";15 for($j=1;$j<=9;$j++){16 echo "<tr>";17 for($i=1;$i<=$j;$i++){18 echo "<td>{$i}*{$j}=".($i*$j)."</td>";19 }20 echo "</tr>";21 }22 echo "</table>";23 24 echo "<p>第二種</p>";25 26 27 echo "<table width='600' border='1' cellspacing='0' cellspadding='0' >";28 for($j=9;$j>=1;$j--){29 echo "<tr>";30 for($i=1;$i<=$j;$i++){31 echo "<td>{$i}*{$j}=".($i*$j)."</td>";32 }33 echo "</tr>";34 }35 echo "</table>";36 37 38 echo "<p>第三種</p>";39 40 41 echo "<table width='600' border='1' cellspacing='0' cellspadding='0' >";42 for($j=9;$j>=1;$j--){43 echo "<tr>";44 for($z=0;$z<9-$j;$z++){45 echo "<td> </td>";46 }47 for($i=1;$i<=$j;$i++){48 echo "<td>{$i}*{$j}=".($i*$j)."</td>";49 }50 echo "</tr>";51 }52 echo "</table>";53 54 55 56 echo "<p>第四種</p>";57 58 59 echo "<table width='600' border='1' cellspacing='0' cellspadding='0' >";60 for($j=1;$j<=9;$j++){61 echo "<tr>";62 63 for($p=0;$p<9-$j;$p++){64 echo "<td> </td>";65 }66 67 for($i=$j;$i>=1;$i--){68 echo "<td>{$i}*{$j}=".($i*$j)."</td>";69 }70 echo "</tr>";71 }72 echo "</table>";73 74 75 echo "<p></p>";76 ?>77 </BODY>78 </HTML>
one
介面分別是:
裡面的規律是:看九九乘法表的走勢，去定最外層的for迴圈,看列的變化:從1到9，還是9到1
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