📄 代码清单3-9.htm
字号:
<span class=SpellE><span class=GramE>callBack</span></span><span class=GramE>(</span>){<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#039<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
4'> </span>if
(<span class=SpellE>xmlHttp.readyState</span> == 4) { <o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#040<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:3'> </span>if
(<span class=SpellE>xmlHttp.status</span> == 200) {<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#041<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:4'> </span><span
class=SpellE>var</span> <span class=SpellE>processValue</span> = <span
class=SpellE>xmlHttp.responseText</span>;<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#042<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:4'> </span><span
class=SpellE><span class=GramE>changeBar</span></span><span class=GramE>(</span>'<span
class=SpellE>progressBar',processValue</span>);<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#043<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:4'> </span><span
class=GramE>if(</span><span class=SpellE>processValue</span>!=100&&processValue!=0)<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#044<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:4'> </span><span
class=SpellE><span class=GramE>setTimeout</span></span><span class=GramE>(</span>'<span
class=SpellE>getProcess</span>()',1000);<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#045<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:3'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#046<span
style='mso-spacerun:yes'> </span><span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#047<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
3'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#048<span style='mso-spacerun:yes'>
</span><span style='mso-spacerun:yes'> </span><span
style='mso-tab-count:3'> </span>//</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>提交一次新的任务进度查询</span><span lang=EN-US
style='font-size:9.0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#049<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
3'> </span>function
<span class=SpellE><span class=GramE>getProcess</span></span><span class=GramE>(</span>){<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#050<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
4'> </span><span
class=SpellE><span class=GramE>createXMLHttpRequest</span></span><span
class=GramE>(</span>);<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#051<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
1'> </span><span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span
class=SpellE>var</span> timestamp = new <span class=GramE>Date(</span>).<span
class=SpellE>getTime</span>();<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#052<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
1'> </span><span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span
class=SpellE>var</span> <span class=SpellE>url</span>="/<span
class=SpellE>ajaxstudy/third/processBarServer.jsp?timestamp</span>=" +
timestamp;<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#053<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
1'> </span><span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>xmlHttp.open</span></span><span class=GramE>(</span>"<span
class=SpellE>GET",url,true</span>);<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#054<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:1'> </span><span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
1'> </span><span class=SpellE>xmlHttp.onreadystatechange</span> = <span
class=SpellE>callBack</span>;<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#055<span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
1'> </span><span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:
1'> </span><span class=SpellE><span class=GramE>xmlHttp.send</span></span><span
class=GramE>(</span>null);<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#056<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#057<span
style='mso-spacerun:yes'> </span></script><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#058<span
style='mso-spacerun:yes'> </span><body><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#059<span style='mso-spacerun:yes'>
</span><span style='mso-spacerun:yes'> </span><input type=button
value=</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>开始</span><span
lang=EN-US style='font-size:9.0pt'> <span class=SpellE>onclick</span>=start()>&<span
class=SpellE>nbsp;&nbsp<span class=GramE>;&</span>nbsp</span>;<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#060<span style='mso-spacerun:yes'>
</span><span style='mso-spacerun:yes'> </span><input type=button
value=</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>重置</span><span
lang=EN-US style='font-size:9.0pt'> <span class=SpellE>onclick</span>=<span
class=SpellE>window.<span class=GramE>location.reload</span></span><span
class=GramE>(</span>false);><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#061<span
style='mso-spacerun:yes'> </span><p><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#062<span
style='mso-spacerun:yes'> </span><DIV
class="text" id="<span class=SpellE>progressBarText</span>"
align="left">&<span class=SpellE>nbsp</span></DIV><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#063<span
style='mso-spacerun:yes'> </span><table
width="1%" border="0" <span class=SpellE>cellspacing</span>="0"
<span class=SpellE>cellpadding</span>="0" <span class=SpellE>bgcolor</span>="#00FF00"
id="<span class=SpellE>progressBar</span>"><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#064<span
style='mso-spacerun:yes'>
</span><<span class=SpellE><span class=GramE>tr</span></span>><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#065<span
style='mso-spacerun:yes'>
</span><td>&<span class=SpellE><span class=GramE>nbsp</span></span><span
class=GramE>;</span></td><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#066<span
style='mso-spacerun:yes'>
</span></<span class=SpellE><span class=GramE>tr</span></span>><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#067<span
style='mso-spacerun:yes'> </span></table><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#068<span
style='mso-spacerun:yes'> </span><body><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#069<span
style='mso-spacerun:yes'> </span></html><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span lang=EN-US><o:p> </o:p></span></p>
</div>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -