📄 代码清单3-6.htm
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<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
lang=EN-US style='font-size:9.0pt'>#014<span style='mso-spacerun:yes'>
</span><span style='mso-spacerun:yes'> </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"'>根据点击的部门节点请求数据</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'>#015<span
style='mso-spacerun:yes'> </span>function <span
class=SpellE><span class=GramE>getMembers</span></span><span class=GramE>(</span>depart){<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'>#016<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span
class=GramE>if(</span>depart!="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'>#017<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:2'> </span><span
class=SpellE>dep</span> = depart;<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'>#018<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </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'>#019<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span
class=SpellE>var</span> <span class=SpellE><span class=GramE>url</span></span>="/<span
class=SpellE>ajaxstudy/third/dropDownListServer.jsp?depart</span>="+depart;<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'>#020<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'>#021<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span
class=SpellE>xmlHttp.onreadystatechange</span> = <span class=SpellE>showMembers</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'>#022<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'>#023<span
style='mso-spacerun:yes'> </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'>#024<span
style='mso-spacerun:yes'> </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'>#025<span
style='mso-spacerun:yes'> </span>function <span
class=SpellE><span class=GramE>hideMenu</span></span><span class=GramE>(</span>depart){<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'>#026<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span
class=GramE>if(</span><span class=SpellE>document.getElementById</span>(<span
class=SpellE>dep</span>).<span class=SpellE>parentNode.style.display</span>=='none'){<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'>#027<span
style='mso-spacerun:yes'> </span><span
style='mso-spacerun:yes'> </span><span style='mso-tab-count:2'> </span><span
class=SpellE><span class=GramE>document.getElementById</span></span><span
class=GramE>(</span><span class=SpellE>dep</span>).<span class=SpellE>parentNode.style.display</span>='block';<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'>#028<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span>}
else <span class=GramE>if(</span><span class=SpellE>document.getElementById</span>(<span
class=SpellE>dep</span>).<span class=SpellE>parentNode.style.display</span>='block'){<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'>#029<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:2'> </span><span
class=SpellE><span class=GramE>document.getElementById</span></span><span
class=GramE>(</span><span class=SpellE>dep</span>).<span class=SpellE>parentNode.style.display</span>='none';<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'>#030<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:2'> </span><span
class=SpellE><span class=GramE>document.getElementById</span></span><span
class=GramE>(</span><span class=SpellE>dep</span>).<span class=SpellE>innerHTML</span>='&<span
class=SpellE>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'>#031<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:2'> </span><span
class=GramE>return</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'>#032<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'>#033<span
style='mso-spacerun:yes'> </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'>#034<span
style='mso-spacerun:yes'> </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"'>将返回的数据显示在点击的节点下</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'>#035<span
style='mso-spacerun:yes'> </span>function <span
class=SpellE><span class=GramE>showMembers</span></span><span class=GramE>(</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'>#036<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </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'>#037<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'>#038<span
style='mso-spacerun:yes'> </span><span
class=SpellE>var</span> <span class=SpellE>membersData</span> = <span
class=SpellE><span class=GramE>xmlHttp.responseXML.getElementsByTagName</span></span><span
class=GramE>(</span>'member');<span
style='mso-spacerun:yes'>
</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
class=SpellE>var</span> <span class=SpellE>mdisplay</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'>#040<span
style='mso-spacerun:yes'> </span><span
class=GramE>for(</span><span class=SpellE>var</span> <span class=SpellE>i</span>=0;i<<span
class=SpellE>membersData.length;i</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'>#041<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span class=SpellE>mdisplay</span>
+= '&<span class=SpellE>nbsp<span class=GramE>;&</span>nbsp;&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'>#042<span
style='mso-spacerun:yes'> </span><span
style='mso-tab-count:1'> </span><span class=SpellE>mdisplay</span>
+= <span class=SpellE>membersData</span>[<span class=SpellE>i</span>].<span
class=SpellE><span class=GramE>childNodes</span></span><span class=GramE>[</span>1].<span
class=SpellE>firstChild.nodeValue</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:1'> </span><span class=SpellE>mdisplay</span>
+= '<<span class=SpellE>br</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'>#044<span
style='mso-spacerun:yes'> </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'>#045<span
style='mso-spacerun:yes'> </span><span
class=SpellE><span class=GramE>document.getElementById</span></span><span
class=GramE>(</span><span class=SpellE>dep</span>).<span class=SpellE>parentNode.style.display</span>='block';<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
class=SpellE><span class=GramE>document.getElementById</span></span><span
class=GramE>(</span><span class=SpellE>dep</span>).<span class=SpellE>innerHTML</span>=<span
class=SpellE>mdisplay</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>}<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>}<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'>#<span class=GramE>049<span
style='mso-spacerun:yes'> </span>}</span><o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6'><span
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