首頁猿問關(guān)于下面語句中，jsp中targe...

關(guān)于下面語句中，jsp中target="main"的意思，不是很理解！

Java Spring

慕田峪9158850 2021-06-15 15:11:40

<table border="0" align="center" cellpadding="0" cellspacing="5"><tr><td><c:choose><%String backurl=(String)request.getAttribute("BackURL");if(backurl.length()>3){String ext=backurl.substring(backurl.length()-3);if(ext.equalsIgnoreCase("jsp")){ %><a href="javascript:location.href='${BackURL}'" target="main"> <imgsrc="<%=refpath%>/images/btn_fanhui.png" width="69"height="23" border="0" align="middle"> </a><%}else{%><a href="javascript:location.href='${BackURL}'"> <imgsrc="<%=refpath%>/images/btn_fanhui.png" width="69"height="23" border="0" align="middle"> </a><%}} %></c:choose></td></tr></table>麻煩高手解釋下這段代碼那里的main會(huì)跳到哪里去

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3 回答

慕婉清6462132

TA貢獻(xiàn)1804條經(jīng)驗(yàn) 獲得超2個(gè)贊

<a target="main" href="#">點(diǎn)我試試</a><iframe name="main" src="" />

原本<a>被點(diǎn)擊后, 會(huì)顯示的內(nèi)容, 將顯示到<iframe>這個(gè)頁內(nèi)框架中!

反對(duì) 回復(fù) 2021-06-21

aluckdog

TA貢獻(xiàn)1847條經(jīng)驗(yàn) 獲得超7個(gè)贊

你的JSP頁面應(yīng)該是個(gè)框架結(jié)構(gòu)的頁面，框架中應(yīng)該有個(gè)叫main的模塊，就是在那個(gè)模塊中展示加載內(nèi)容

反對(duì) 回復(fù) 2021-06-21

一只甜甜圈

TA貢獻(xiàn)1836條經(jīng)驗(yàn) 獲得超5個(gè)贊

<table border="0" align="center" cellpadding="0" cellspacing="5">
<tr>
<td>
<c:choose>
<%String backurl=(String)request.getAttribute("BackURL");
if(backurl.length()>3){
String ext=backurl.substring(backurl.length()-3);
if(ext.equalsIgnoreCase("jsp")){ %>
<a href="javascript:location.href='${BackURL}'" target="main"> <img
src="<%=refpath%>/images/btn_fanhui.png" width="69"
height="23" border="0" align="middle"> </a>
<%}else{%>

<a href="javascript:location.href='${BackURL}'"> <img
src="<%=refpath%>/images/btn_fanhui.png" width="69"
height="23" border="0" align="middle"> </a>

<%}
} %>
</c:choose>
</td>
</tr>
</table>