???? public ?ActionForward?getOrganinfo_ajax(ActionMapping?mapping,?ActionForm?form,
????????????HttpServletRequest?request,?HttpServletResponse?response)? {
????????String?level2OrganId?? = ?request.getParameter( " level2OrganId " );
????????System.out.print(level2OrganId);
????????IDReportLogic?dreportLogic? = ?(IDReportLogic)SpringFactory.getBeanFactory().getBean( " dreportLogic " );
????????
????????response.setContentType( " text/xml;charset=UTF-8 " );
????????response.setHeader( " Cache-control " ,? " no-cache " );

???????? try {
????????????
????????????String?orgLevel? = ?request.getParameter( " orgLevel " );
????????????String?orgId? = ?request.getParameter( " orgId " );
????????????
????????????

/**/ /*
以下為前臺當中接受到的xml結(jié)構(gòu)。

????????????StringBuffer?sb?=?new?StringBuffer();
????????????sb.append("<?xml?version=\"1.0\"?encoding=\"UTF-8\"?>");
????????????String?str="<select><kkk><value>11111</value><text>北京</text></kkk>";
????????????String?str2="<kkk><value>3333</value><text>上海</text></kkk></select>";
????????????sb.append(str);
????????????sb.append(str2); */
????????????
????????????PrintWriter?out? = ?response.getWriter();
????????????out.write(str);
????????????out.flush();
???????????? return ? null ;
????????} ? catch ?(Exception?e)? {
???????????? // ?TODO?自動生成?catch?塊
????????????request.setAttribute( " info " ,? " 獲取二級機構(gòu)異常！ " );
????????????e.printStackTrace();
???????????? return ?mapping.getInputForward();
????????}
????????
????}

二級機構(gòu)：

??????????????????????
?????????????????? < select?name = " secOrganIdSel " ?id = " secOrganIdSel "
??????????????????onchange = " selectChangeListener('2',this.options[this.selectedIndex].value); " >
?????????????????????? < option?value = " -1 " > 請選擇機構(gòu).. </ option >
</ select >

????三級機構(gòu)：
?????????????????? < select?name = " thdOrganIdSel " ?id = " thdOrganIdSel "
??????????????????onchange = " selectChangeListener('3',this.options[this.selectedIndex].value); " >
?????????????????????? < option?value = " -1 " > 請選擇機構(gòu).. </ option >

</ select >

四級機構(gòu)：
?????????????????? < select?name = " forthOrganIdSel " >
?????????????????????? < option?value = " -1 " > 請選擇機構(gòu).. </ option >
?????????????????? </ select >

??1 ?? < script?language = " javascript " ?type = " text/javascript " >
??2 ?????? var ?xmlHttp;
??3 ??????
??4 ?????? function ?createXMLHttpRequest() {
??5 ?????????? if ?(window.ActiveXObject) {
??6 ???????????????xmlHttp? = ? new ?ActiveXObject( " Microsoft.XMLHTTP " );
??7 ??????????} else ? if (window.XMLHttpRequest) {
??8 ???????????????xmlHttp? = ? new ?XMLHttpRequest();
??9 ??????????}
?10 ??????}
?11 ??????
?12 ?????? // 查詢指定頁面
?13 ?????? function ?selectChangeListener(orgLevel,orgId) {
?14 ??????
?15 ????????createXMLHttpRequest();
?16 ??????
?17 ???????? var ?url = ? " <%=request.getContextPath()%>/dreportAction.do?method=getOrganinfo_ajax&orgLevel= " + orgLevel + " &orgId= " + orgId;
?18 ????????xmlHttp.open( " get " ,url, true );
?19 ???????? if (orgLevel? == ?' 2 ') {
?20 ???????????? // 如果是選擇默認的第一個，則是清空后面3級機構(gòu)和4級機構(gòu)。
?21 ???????????? var ?tempSel? = ?document.getElementById( " secOrganIdSel " );
?22 ???????????? if (tempSel.options[tempSel.selectedIndex].value? == ? - 1 ) {
?23 ???????????????? var ?tempSel_1? = ?document.getElementById( " thdOrganIdSel " );
?24 ??????????????????tempSel_1.options.length? = ? 1 ;
?25 ?????????????????? var ?tempSel_2? = ?document.getElementById( " forthOrganIdSel " );
?26 ??????????????????tempSel_2.options.length? = ? 1 ;
?27 ?????????????????? return ? false ;
?28 ????????????}
?29 ????????????xmlHttp.onreadystatechange? = ?callback2;
?30 ????????} else ? if (orgLevel? == ?' 3 ') {
?31 ???????????? // 如果三級機構(gòu)默認的是第一個選項，則清空第4級機構(gòu)
?32 ????????????
?33 ???????????? var ?tempSel? = ?document.getElementById( " thdOrganIdSel " );
?34 ???????????? if (tempSel.options[tempSel.selectedIndex].value? == ? - 1 ) {
?35 ???????????????? var ?tempSel_2? = ?document.getElementById( " forthOrganIdSel " );
?36 ??????????????????tempSel_2.options.length? = ? 1 ;
?37 ???????????????? return ? false ;
?38 ????????????}
?39 ????????????xmlHttp.onreadystatechange? = ?callback3;
?40 ????????}
?41 ????????
?42 ????????xmlHttp.send( null );
?43 ?????}
?44 ?????
?45 ????? // 返回信息處理,二級機構(gòu)下拉列表返回結(jié)果
?46 ????? function ?callback2() {
?47 ???????? if ?(xmlHttp.readyState? == ? 4 )? {?
?48 ?????????? if ?(xmlHttp.status? == ? 200 )? {?
?49 ?????????????? var ?xmlDoc? = ?xmlHttp.responseXML;
?50 ??????????????changeSel(' 2 ',xmlDoc);
?51 ??????????} else {
?52 ????????????????window.alert( " 您所請求的頁面有異常。 " );
?53 ??????????}
?54 ????????} ??????????
?55 ?????}
?56 ?????
?57 ?????
?58 ????? // 返回信息處理,三級機構(gòu)下拉列表返回結(jié)果
?59 ????? function ?callback3() {
?60 ???????? if ?(xmlHttp.readyState? == ? 4 )? {?
?61 ?????????? if ?(xmlHttp.status? == ? 200 )? {?
?62 ?????????????? var ?xmlDoc? = ?xmlHttp.responseXML;
?63 ??????????????changeSel(' 3 ',xmlDoc);
?64 ??????????} else {
?65 ????????????????window.alert( " 您所請求的頁面有異常。 " );
?66 ??????????}
?67 ????????} ??????????
?68 ?????}
?69 ?????
?70 ????? // 更新機構(gòu)下拉列表
?71 ????? function ?changeSel(orgLevel,xmlDoc) {
?72 ?????
?73 ?????????? // var?xsel?=?xmlDoc.getElementsByTagName('kkk');
?74 ?????????? var ?xsel? = ?xmlDoc.documentElement.childNodes;
?75
?76 ?????????? // alert(xsel.length);
?77 ?????????? if (orgLevel? == ?' 2 ') {
?78 ?????????????? // 二級機構(gòu),3級機構(gòu)和4級機構(gòu)需要清空。
?79 ?????????????? var ?tempSel_1? = ?document.getElementById( " thdOrganIdSel " );
?80 ??????????????tempSel_1.options.length? = ? 0 ;
?81 ??????????????tempSel_1.add( new ?Option('請選擇機構(gòu)',' - 1 '))
?82 ?????????????? var ?tempSel_2? = ?document.getElementById( " forthOrganIdSel " );
?83 ??????????????tempSel_2.options.length? = ? 0 ;
?84 ??????????????tempSel_2.add( new ?Option('請選擇機構(gòu)',' - 1 '))
?85 ??????????????
?86 ?????????????? for ( var ?i? = ? 0 ;?i? < ?xsel.length;i ++ ) {
?87 ?????????????????? var ?xvalue? = ?xsel[i].childNodes[ 0 ].firstChild.nodeValue;
?88 ?????????????????? var ?xtext? = ??xsel[i].childNodes[ 1 ].firstChild.nodeValue;
?89 ?????????????????? var ?option? = ? new ?Option(xtext,xvalue);
?90 ??????????????????tempSel_1.add(option);
?91 ??????????????}
?92 ??????????????
?93 ??????????} else ? if (orgLevel? == ?' 3 ') {
?94 ?????????????? // 三級機構(gòu)，四級機構(gòu)需要清空
?95
?96 ?????????????? var ?tempSel_2? = ?document.getElementById( " forthOrganIdSel " );
?97 ??????????????tempSel_2.options.length? = ? 0 ;
?98 ??????????????tempSel_2.add( new ?Option('請選擇機構(gòu)',' - 1 '))
?99 ??????????????
100 ??????????????? for ( var ?i? = ? 0 ;?i? < ?xsel.length;i ++ ) {
101 ?????????????????? var ?xvalue? = ?xsel[i].childNodes[ 0 ].firstChild.nodeValue;
102 ?????????????????? var ?xtext? = ??xsel[i].childNodes[ 1 ].firstChild.nodeValue;
103 ?????????????????? var ?option? = ? new ?Option(xtext,xvalue);
104 ??????????????????tempSel_2.add(option);
105 ??????????????}
106 ??????????????
107 ??????????}
108 ?????????
109 ?????}
110
111
112 ? </ script >