版权声明：To be or not to be, that's a question.                 https://blog.csdn.net/qq_32823673/article/details/79542554              </div><link rel="stylesheet" href="https://csdnimg.cn/release/phoenix/template/css/ck_htmledit_views-d7e2a68c7c.css"><div class="htmledit_views" id="content_views"><p>&lt;jsp:forward&gt;动作标识将当前请求转发到其他web资源（HTML页面、JSP页面和servlet等）。在执行请求转发之后当前页面将不再执行，而是执行该标识指定的目标页面。</p><p>login.jsp：</p><pre onclick="hljs.copyCode(event)"><code class="language-html hljs xml"><ol class="hljs-ln" style="width:956px"><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="1"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">&lt;<span class="hljs-name">%@</span> <span class="hljs-attr">page</span> <span class="hljs-attr">language</span>=<span class="hljs-string">"java"</span> <span class="hljs-attr">import</span>=<span class="hljs-string">"java.util.*"</span> <span class="hljs-attr">pageEncoding</span>=<span class="hljs-string">"UTF-8"</span>%&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="2"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag"><span class="hljs-tag">&lt;<span class="hljs-name">%</span></span></span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="3"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag"><span class="hljs-attr">String</span> <span class="hljs-attr">path</span> = <span class="hljs-string">request.getContextPath();</span></span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="4"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag"><span class="hljs-attr">String</span> <span class="hljs-attr">basePath</span> = <span class="hljs-string">request.getScheme()+</span>"<span class="hljs-attr">:</span>//"+<span class="hljs-attr">request.getServerName</span>()+"<span class="hljs-attr">:</span>"+<span class="hljs-attr">request.getServerPort</span>()+<span class="hljs-attr">path</span>+"/";</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="5"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">%&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="6"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="7"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-meta">&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="8"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">&lt;<span class="hljs-name">html</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="9"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;<span class="hljs-name">head</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="10"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">base</span> <span class="hljs-attr">href</span>=<span class="hljs-string">"&lt;%=basePath%&gt;"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="11"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="12"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">title</span>&gt;</span>My JSP 'login.jsp' starting page<span class="hljs-tag">&lt;/<span class="hljs-name">title</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="13"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="14"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"pragma"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"no-cache"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="15"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"cache-control"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"no-cache"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="16"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"expires"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"0"</span>&gt;</span>    </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="17"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">   <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"keywords"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"keyword1,keyword2,keyword3"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="18"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"description"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"This is my page"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="19"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-comment"><span class="hljs-comment">&lt;!--</span></span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="20"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment">    &lt;link rel="stylesheet" type="text/css" href="styles.css"&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="21"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment">    --&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="22"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="23"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;/<span class="hljs-name">head</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="24"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="25"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;<span class="hljs-name">body</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="26"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">from</span> <span class="hljs-attr">action</span>=<span class="hljs-string">""</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="27"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">div</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="28"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="29"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">li</span>&gt;</span> <span class="hljs-tag">&lt;<span class="hljs-name">h3</span>&gt;</span>用户登录<span class="hljs-tag">&lt;/<span class="hljs-name">h3</span>&gt;</span><span class="hljs-tag">&lt;/<span class="hljs-name">li</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="30"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;/<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="31"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="32"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">li</span>&gt;</span>用户名：<span class="hljs-tag">&lt;<span class="hljs-name">input</span> <span class="hljs-attr">type</span>=<span class="hljs-string">"text"</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"usename"</span>&gt;</span><span class="hljs-tag">&lt;/<span class="hljs-name">li</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="33"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;/<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="34"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="35"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="36"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">     <span class="hljs-tag">&lt;<span class="hljs-name">li</span>&gt;</span>密 码：<span class="hljs-tag">&lt;<span class="hljs-name">input</span> <span class="hljs-attr">type</span>=<span class="hljs-string">"passward"</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"passward"</span>&gt;</span><span class="hljs-tag">&lt;/<span class="hljs-name">li</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="37"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;/<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="38"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="39"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="40"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">li</span>&gt;</span><span class="hljs-tag">&lt;<span class="hljs-name">input</span> <span class="hljs-attr">type</span>=<span class="hljs-string">"button"</span>  <span class="hljs-attr">value</span>=<span class="hljs-string">"登录"</span>&gt;</span><span class="hljs-tag">&lt;/<span class="hljs-name">li</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="41"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;/<span class="hljs-name">ul</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="42"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;/<span class="hljs-name">div</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="43"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;/<span class="hljs-name">from</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="44"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;/<span class="hljs-name">body</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="45"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">&lt;/<span class="hljs-name">html</span>&gt;</span></div></div></li></ol></code><div class="hljs-button" data-title="复制"></div></pre><p>index.jsp：创建程序的首页index.jsp，在其中通过&lt;jsp:forward&gt;动作标识将请求转发到login.jsp页面，其关键代码是：<br><span style="background-color:rgb(255,204,204);">&lt;body&gt;<br>&nbsp; &nbsp; 您现在位置为：index.jsp!<br>&nbsp; &nbsp; &lt;jsp:forward page="login.jsp"&gt;&lt;/jsp:forward&gt;<br>&nbsp; &lt;/body&gt;&nbsp;&nbsp;</span><br></p><pre onclick="hljs.copyCode(event)"><code class="language-html hljs xml"><ol class="hljs-ln" style="width:956px"><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="1"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">&lt;<span class="hljs-name">%@</span> <span class="hljs-attr">page</span> <span class="hljs-attr">language</span>=<span class="hljs-string">"java"</span> <span class="hljs-attr">import</span>=<span class="hljs-string">"java.util.*"</span> <span class="hljs-attr">pageEncoding</span>=<span class="hljs-string">"UTF-8"</span>%&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="2"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag"><span class="hljs-tag">&lt;<span class="hljs-name">%</span></span></span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="3"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag"><span class="hljs-attr">String</span> <span class="hljs-attr">path</span> = <span class="hljs-string">request.getContextPath();</span></span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="4"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag"><span class="hljs-attr">String</span> <span class="hljs-attr">basePath</span> = <span class="hljs-string">request.getScheme()+</span>"<span class="hljs-attr">:</span>//"+<span class="hljs-attr">request.getServerName</span>()+"<span class="hljs-attr">:</span>"+<span class="hljs-attr">request.getServerPort</span>()+<span class="hljs-attr">path</span>+"/";</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="5"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">%&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="6"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="7"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-meta">&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="8"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">&lt;<span class="hljs-name">html</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="9"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;<span class="hljs-name">head</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="10"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">base</span> <span class="hljs-attr">href</span>=<span class="hljs-string">"&lt;%=basePath%&gt;"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="11"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="12"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">title</span>&gt;</span>My JSP 'index.jsp' starting page<span class="hljs-tag">&lt;/<span class="hljs-name">title</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="13"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"pragma"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"no-cache"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="14"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"cache-control"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"no-cache"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="15"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"expires"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"0"</span>&gt;</span>    </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="16"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">   <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"keywords"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"keyword1,keyword2,keyword3"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="17"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-tag">&lt;<span class="hljs-name">meta</span> <span class="hljs-attr">http-equiv</span>=<span class="hljs-string">"description"</span> <span class="hljs-attr">content</span>=<span class="hljs-string">"This is my page"</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="18"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-comment"><span class="hljs-comment">&lt;!--</span></span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="19"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment">    &lt;link rel="stylesheet" type="text/css" href="styles.css"&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="20"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment">    --&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="21"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;/<span class="hljs-name">head</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="22"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="23"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;<span class="hljs-name">body</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="24"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    您现在位置为：index.jsp!</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="25"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">    <span class="hljs-tag">&lt;<span class="hljs-name">jsp:forward</span> <span class="hljs-attr">page</span>=<span class="hljs-string">"login.jsp"</span>&gt;</span><span class="hljs-tag">&lt;/<span class="hljs-name">jsp:forward</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="26"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line">  <span class="hljs-tag">&lt;/<span class="hljs-name">body</span>&gt;</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="27"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-tag">&lt;/<span class="hljs-name">html</span>&gt;</span></div></div></li></ol></code><div class="hljs-button" data-title="复制"></div></pre><br>            </div></div>

JSP--（使用请求转发的动作标识jsp:forward）相关推荐

  1. 相对地址与绝对地址的区别？请求重定向与请求转发的区别？jsp有哪九大内置对象？servlet如何获取session和application对象？

    目录 1.说说相对地址与绝对地址的区别? 2.说说请求重定向与请求转发的区别? 3.jsp有哪九大内置对象?servlet如何获取session和application对象? 1.说说相对地址与绝对地 ...

  2. JSP的学习二（请求转发与 重定向）

    一: 1.介绍知识点 1). 本质区别: 请求的转发只发出了一次请求, 而重定向则发出了两次请求. 具体: ①. 请求的转发: 地址栏是初次发出请求的地址.  请求的重定向: 地址栏不再是初次发出的请 ...

  3. JSP的7个动作include，forward，useBean。。。

    <jsp:include>//包含 <jsp:forward>//跳转 <jsp:useBean>//使用javabean <jsp:setProperty& ...

  4. 45请求转发和请求重定向区别

    请求转发 定义一个response的jsp文件 <%@ page language="java" contentType="text/html; charset=U ...

  5. 关于重定向页面和请求转发页面的区别

    重定向页面resp.sendRedirect(forword)会有2次响应,重定向的页面无法通过req.getParameter("username")获取到表单信息 请求转发页面 ...

  6. httpservletresponse 重定向浏览器不变的原因_JavaWeb——Servlet——请求转发与响应重定向...

    导语:在实际的软件开发过程中,往往需要多个Servlet来实现不同的功能,就需要对多个Servlet进行组合调用.多个Servlet之间如何进行通信和跳转?而这就需要用到请求转发与响应重定向技术. 原 ...

  7. springmvc重定向到另一个项目_SpringMVC结合Ajax、请求转发重定向、视图解析器

    每日总结 一.Spring结合Ajax的处理方式 1.传统解决方案 直接输出 2.使用SpringMVC框架提供的处理方法 注意: A.方法的返回值可以是对象或者集合 B.响应给前台的数据直接是jso ...

  8. Java 请求转发与重定向

    二者区别: 请求转发不会改变URL(地址值),而重定向则会改变 实现: 请求转发 request.getRequestDispatcher("/Update.jsp").forwa ...

  9. Servlet--06--解决乱码问题; 请求转发; 重定向;

    乱码问题: 一.  请求-乱码问题:服务器获取的请求数据,在console显示时,出现了乱码. (1)post请求方式解决:req.serCharacterEncoding("utf-8&q ...

最新文章

  1. 更改域控制器的计算机名
  2. kali linux提示安装系统失败,kali“安装系统”失败分析及解决
  3. OpenStack使用neutron agent-list缺少组件
  4. Linux内核高端内存
  5. java的object_Java中的Object类详细介绍
  6. 【知识点】Java常用类库
  7. nodeJs配置相关以及JSON.parse
  8. python怎么调用文件_python 中如何引用头文件
  9. SmartSql For Asp.Net Core 最佳实践
  10. 30岁，真的是程序员迈不过去的坎吗？
  11. 关于网页js判断“客户端设备类型是移动端还是PC端“的解决方法？
  12. Illustrator 描边，填充，扩展
  13. ios获取新数据要不要关_100%安卓APP都在获取用户隐私，网络隐私进入深入区
  14. java 父类 new 子类
  15. Linux emacs考场配置及对拍脚本
  16. 走进R语言的世界——简单数据处理
  17. css3中的perspective与perspective-origin
  18. 《Cocos2d-JS开发之旅》重印在即，感谢大家的支持
  19. 四阶龙格库塔法(Runge-Kutta)求解常微分方程的 Matlab程序及案例
  20. 对称与非对称加密算法总结

热门文章

  1. 二.编写第一个c#程序（注释，命名空间，类，Main方法，标识符，关键字，输入，输出语句，）...
  2. Windbg SOS and CLR版本不一致的解决方案
  3. JQUERY学习第二天之制作横纵向导航菜单
  4. 昨天安装复习中遇到的问题小结
  5. 通过计算机网络进行的商务活动包括,电子商务练习题及答案
  6. 添加请求头 retrofit_RxJava 与 Retrofit 结合的最佳实践
  7. 13.JAVA基础：八进制，十六进制表示
  8. Oracle中执行存储过程call和exec区别
  9. SecureCRT配置
  10. 2021重庆高考成绩名次排名查询,重庆高考排名对应大学-重庆高考位次大学（2021年理科）...