tutorial4_page4.htm

jsp从入门道精通

          <li>fall out of the loop and do what follows </font></li>
        </ul>
      </dd>
    </dl>
    <font FACE="System,黑体" LANG="ZH-CN"><p>　</p>
    <p ALIGN="JUSTIFY">随后是：</p>
    <pre>

</font>alert(a_line);
</pre>
    <dir>
      <font FACE="System,黑体" LANG="ZH-CN"><p ALIGN="JUSTIFY">启动一个警告对话框。</p>
      <p ALIGN="JUSTIFY">这种循环运用的如此普遍以至于程序员们开发了一些简便方式，条件循环可写成这样：</p>
      <pre>

</font>while (loop &lt; width)

{

	a_line += &quot;x&quot;;  //this was a_line = a_line + &quot;x&quot;;

	loop++;         //this was loop=loop+1;

}
</pre>
    </dir>
    <font FACE="System,黑体" LANG="ZH-CN"><p>首行，“</font><font FACE="宋体"
    LANG="ZH-CN">x</font><font FACE="System,黑体" LANG="ZH-CN">”，表示“本身加</font><font
    FACE="宋体" LANG="ZH-CN">x</font><font FACE="System,黑体" LANG="ZH-CN">”。若已有</font><font
    FACE="宋体" LANG="ZH-CN">a_number=5</font><font FACE="System,黑体" LANG="ZH-CN">，那么可写成，</font><font
    FACE="宋体" LANG="ZH-CN">a_number+=3</font><font FACE="System,黑体" LANG="ZH-CN">，即是说：</font><font
    FACE="宋体" LANG="ZH-CN">a_number=a_number+3</font><font FACE="System,黑体"
    LANG="ZH-CN">。程序员就是这么偷懒的。</p>
    </font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2"><p ALIGN="JUSTIFY">下行，</font><font
    FACE="宋体" LANG="ZH-CN">loop++</font><font FACE="System,黑体" LANG="ZH-CN">，意味着“自身加</font><font
    FACE="宋体" LANG="ZH-CN">1</font><font FACE="System,黑体" LANG="ZH-CN">”。于是</font><font
    FACE="宋体" LANG="ZH-CN">loop++</font><font FACE="System,黑体" LANG="ZH-CN">即为：</font><font
    FACE="宋体" LANG="ZH-CN">loop=loop=1</font><font FACE="System,黑体" LANG="ZH-CN">。它也可写成</font><font
    FACE="宋体" LANG="ZH-CN">loop+=1</font><font FACE="System,黑体" LANG="ZH-CN">。这样偷懒行为非常有效。</p>
    <p ALIGN="JUSTIFY">就象不止一种方式在一个数上加</font><font FACE="宋体"
    LANG="ZH-CN">1</font><font FACE="System,黑体" LANG="ZH-CN">一样，也有不止一种方法来写一个循环。</font><font
    FACE="宋体" LANG="ZH-CN">While</font><font FACE="System,黑体" LANG="ZH-CN">循环不是唯一的循环模式，另一流行的循环是</font><font
    FACE="宋体" LANG="ZH-CN">forloop</p>
    </font><font FACE="System,黑体" LANG="ZH-CN" SIZE="2"><p ALIGN="JUSTIFY"></font>　</td>
  </tr>
  <tr>
    <td WIDTH="74%" VALIGN="TOP" BGCOLOR="#ffffff"><!-- PAGE X LINKS --><!-- this stuff checks if there are more pages in this story. if so, we'll
suck out the titles of those pages and build links. Right now, the maximum is
15 pages. --> <!-- PAGE X LINKS --><!-- this stuff checks if there are more pages in this story. if so, we'll
suck out the titles of those pages and build links. Right now, the maximum is
15 pages. --><font FACE="System,黑体" LANG="ZH-CN">第</font><font
    FACE="宋体" LANG="ZH-CN">1</font><font FACE="System,黑体" LANG="ZH-CN">页</font><font
    FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a HREF="tutorial4.htm"><font
    FACE="System,黑体" LANG="ZH-CN">第四课介绍</font></a><font FACE="System,黑体"
    LANG="ZH-CN" SIZE="2"><br>
<!-- PAGE X LINKS --><!-- this stuff checks if there are more pages in this story. if so, we'll
suck out the titles of those pages and build links. Right now, the maximum is 15 pages. --><!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">2</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page2.htm"><font FACE="System,黑体" LANG="ZH-CN">循环介绍</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">3</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page3.htm"><font FACE="System,黑体" LANG="ZH-CN">循环的密码</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">4</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page4.htm"><font FACE="System,黑体" LANG="ZH-CN">再谈</font><font
    FACE="宋体" LANG="ZH-CN">WHILE</font><font FACE="System,黑体" LANG="ZH-CN">循环</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">5</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page5.htm"><font FACE="宋体" LANG="ZH-CN">For </font><font
    FACE="System,黑体" LANG="ZH-CN">循环</font></a><font FACE="System,黑体" LANG="ZH-CN"
    SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">6</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page6.htm"><font FACE="System,黑体" LANG="ZH-CN">嵌套循环</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">7</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page7.htm"><font FACE="System,黑体" LANG="ZH-CN">循环练习</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">8</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page8.htm"><font FACE="System,黑体" LANG="ZH-CN">数组</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">9</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page9.htm"><font FACE="System,黑体" LANG="ZH-CN">数组和循环</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">10</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">:</font><a
    HREF="tutorial4_page10.html"><font FACE="System,黑体" LANG="ZH-CN">文件目标模块中的数组</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">11</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page11.htm"><font FACE="System,黑体" LANG="ZH-CN">函数</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">12</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page12.html"><font FACE="System,黑体" LANG="ZH-CN">无参数函数</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">13</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page13.htm"><font FACE="System,黑体" LANG="ZH-CN">参数及返回值</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="System,黑体" LANG="ZH-CN">第</font><font FACE="宋体" LANG="ZH-CN">14</font><font
    FACE="System,黑体" LANG="ZH-CN">页</font><font FACE="宋体" LANG="ZH-CN" SIZE="2">: </font><a
    HREF="tutorial4_page14.htm"><font FACE="System,黑体" LANG="ZH-CN">多于一个参数的函数</font></a><font
    FACE="System,黑体" LANG="ZH-CN" SIZE="2"><br>
<!-- this is a mini-template that formats each pageX link. So, if a story
has 15 pages, we need to generate 15 links to it. This is how each one
will look... -->    </font><font FACE="宋体" LANG="ZH-CN" SIZE="2"><p><br>
<!-- AUTHOR TAGLINE -->    </font></td>
  </tr>
  <tr>
    <td WIDTH="74%" VALIGN="MIDDLE"></td>
  </tr>
</table>
<font FACE="System,黑体" LANG="ZH-CN">

<p>　</p>
</font>
</body>
</html>