ifXXX if XXX else if 的执行顺序 [问题点数:30分,结帖人iamsai] 不显示删除回复 显示所有回复 显示星级回复 显示得分回复 只显示楼主 收藏 关注 iamsai iamsai 本版等级: 结帖率:92.86% 楼主 发表于: 2013-07-30 11:01:15 1.if XXX 2.if XXX 3.else if XXX 如果满足语句1的条件则执行1.if XXX 如果不满足 则执行3.else if XXX? 更多0 分享到: 相关课程推荐: PHP面向对象设计模式 c++面向对象前言及意见征集(来者不拒)视频课程 Python自动化开发基础 装饰器-异常处理-面向对象编程 day4 基于J2EE实现Webservice项目实战ATM frameborder="0" src="http://tpc.googlesyndication.com/safeframe/1-0-2/html/container.html#xpc=sf-gdn-exp-1&p=http%3A//bbs.youkuaiyun.com" id="google_ads_iframe_/8456/IDG.CN_B2B_youkuaiyun.com_0" name="1-0-2;99584;{"uid":1,"hostPeerName":"http://bbs.youkuaiyun.com","initialGeometry":"{\"windowCoords_t\":0,\"windowCoords_r\":1366,\"windowCoords_b\":728,\"windowCoords_l\":0,\"frameCoords_t\":1140,\"frameCoords_r\":1128.5,\"frameCoords_b\":1230,\"frameCoords_l\":400.5,\"styleZIndex\":\"auto\",\"allowedExpansion_t\":568,\"allowedExpansion_r\":220.5,\"allowedExpansion_b\":0,\"allowedExpansion_l\":400.5,\"xInView\":1,\"yInView\":0.8333333333333334}","permissions":"{\"expandByOverlay\":false,\"expandByPush\":false,\"readCookie\":false,\"writeCookie\":false}","metadata":"{\"shared\":{\"sf_ver\":\"1-0-2\",\"ck_on\":1,\"flash_ver\":\"19.0.0\"}}","reportCreativeGeometry":false}" scrolling="no" marginwidth="0" marginheight="0" width="728" height="90" data-is-safeframe="true" style="box-sizing: content-box; 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语句3能否执行取决于语句2是否满足条件;语句2不满足才轮到语句3上场。