ÔÚjspÒ³ÃæÖгöÏÖ<c:if test="${A eq B}">;ÕâÀïÃæµÄeqÊÇʲô...

eqÊÇequal£¬Ï൱ÓÚ==£¬neÊÇnot equal£¬Ï൱ÓÚ£¡=£¬¶à¿´¿´EL±í´ïʽ JSPÈ«ÃûΪJava Server Pages£¬ÖÐÎÄÃû½Ðjava·þÎñÆ÷Ò³Ãæ£¬Æä¸ù±¾ÊÇÒ»¸ö¼ò»¯µÄServletÉè¼Æ£¬Ëü ÊÇÓÉSun ...


ʲôÊÇJSP¼¼Êõ?

JSP È«Ãû Java Server Pages£¬Ò²½Ð Java ·þÎñÆ÷Ò³Ãæ£¬ÊÇÔÚ´«Í³ HTML Ò³ÃæµÄ»ù´¡ÉÏ£¬²åÈë Java ³ÌÐò¶Î (Scriptlet) ºÍ JSP ±ê¼Ç (tag) ÐγÉ...


°ÑjsÖеÄif¶àÌõ¼þÅжÏÐ޸ijÉjstlÖÐ<c:if>±êÇ©ÅжÏÂß¼­²ð·ÖµÄ...

<c:if test="${not empty result[k].answerer and ((result[k].initialState eq 1 and result[k].hasAudit eq true) or result[k].initialState eq 0)}...


Nginx ¾²Ì¬Îļþ·þÎñÈçºÎÅäÖü°ÓÅ»¯?

# ÅäÖÃÊ×Ò³µÄÎļþÃû index index.html index.htm index.jsp index.ftl; # ÅäÖÃ×Ô¼ºÏÂÔØµÄÊý×ÖÖ¤Êé ssl_certificate certificate/...Ôٴβéѯºǫ́½ø³ÌÊý sleep 1 # Èç¹ûÖØÆôºóÒÀ¾ÉÎÞ·¨²éѯµ½nginx½ø³Ì if [ `ps -C nginx --no-header | wc -l` -eq 0 ]...


html - Safari ÖÐµÄ Base64 ͼÏñ±êǩδÏÔʾ - Segment...

ÎÒÖÆ×÷ÁËÒ»¸ö½«Í¼Ïñ½âÂëΪ base64 ×Ö½ÚÊý×é×Ö·û´®µÄ²è³×¡£ ËüÊÊÓÃÓÚ Chrome ºÍ Firefox¡£µ«ÊÇÔÚ safari 8.0 ÖÐ,Ëü²»Æð×÷ÓᣠÎÒµÄjsp ÈçÏÂËùʾ: String sFileInfo = ""; String ...if(is != null) { is.close(); } ×÷Ϊ½á¹û,ÏÂÃæµÄ´úÂ뽫¸½¼Óµ½ä¯ÀÀÆ÷¡£


jstl±êÇ©Àïc:ifµÄʹÓÃ

</c:if> </e:forEach> 2¡¢< c:if test=¡±value ne, eq, lt, gt,¡­.¡±> Ó÷¨¡£ËãÊõÔËËã·û £º+ ¡¢ - ¡¢ * ¡¢ / £¨»ò div...


0»ù´¡Ò»¸öÔÂÄÜÓÃSpringboot Vue×ö³ö¼ÆËã»ú±ÏÉèÂð...

»ùÓÚspringbootʵÏÖµÄÔÚÏßѧϰƽ̨ (simgle123.top)¶þ¡¢ÏîÄ¿ËùÐè»·¾³ºÍ¼¼ÊõÏîÄ¿ËùÓõļ¼ÊõÓУºjdk1.8maven3.6mysql8.0jspspringboot2.02....species.isEmpty()){queryWrapper.eq("species",species);}Page<StrayAnimal>animals=strayAnimalService.page(newPage<>(page,size),queryWrapper...


JSP ¼òµ¥µÄ·ÖÒ³ Èç:Ê×Ò³ µÚÒ»Ò³ 1 2 3 4 5 6 ÉÏÒ»Ò³ Ê×Ò³...

<c:if test="${i eq page.currentPage}"> ${i } </c:if> <c:if test="${i ne page.currentPage}"> ${i } </c:if> </c:forEach> <!-- ×ÜÒ³Âë...


JSTL(JSP±ê×¼±êÇ©¿â)½éÉÜ - °Ù¶È¾­Ñé

Core±êÇ©¿â 1¡¢ ͨÓñêÇ© <c:out> <c:out>±êÇ©ÓÃÓÚÔÚJSPÖÐÏÔʾÊý¾Ý£¬ËüÓÐÈçÏÂÊôÐÔÊô ÐÔÃè ÊöÊÇ·ñ±ØÐëȱʡֵvalueÊä³öµÄÐÅÏ¢£¬¿ÉÒÔÊÇEL±í´ïʽ»ò³£Á¿ÊÇÎÞdefaultvalueΪ¿ÕʱÏÔʾÐÅÏ¢...Àý×Ó£º<c:if test="${user.wealthy}"> user.wealthy is true. </c:if> Èç¹ûuser.wealthyÖµtrue£¬ÔòÏÔʾuser.wealthy is true.<c:choose> <c:when test="${user....


jspÖÐc:if±êÇ©ÖÐfnsÊÇʲôÒâ˼?

href='${fns:getProjectUrl()}/index.jsp'; 123ÔÚ±êÇ©ÖÐÖ±½ÓʹÓãº<c:if test="${customer!=null && customer.idCard!=null }"><!-...


Ïà¹ØËÑË÷

ÈÈÃÅËÑË÷